http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/base_driver/include/base_driver_device.h
----------------------------------------------------------------------
diff --git a/device_access/example/base_driver/include/base_driver_device.h 
b/device_access/example/base_driver/include/base_driver_device.h
new file mode 100644
index 0000000..78c4f46
--- /dev/null
+++ b/device_access/example/base_driver/include/base_driver_device.h
@@ -0,0 +1,44 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * base_driver_device.h
+ *
+ *  \date       Jun 20, 2011
+ *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
+ *  \copyright Apache License, Version 2.0
+ */
+#ifndef BASE_DRIVER_DEVICE_H_
+#define BASE_DRIVER_DEVICE_H_
+
+#include "device.h"
+
+#define BASE_DRIVER_SERVICE_NAME "base_driver_device_service"
+#define BASE_DRIVER_DEVICE_CATEGORY "char"
+
+typedef struct base_driver_device *base_driver_device_pt;
+
+struct base_driver_device_service {
+       struct device_service deviceService; /*NOTE: base_driver_device_service 
is a device_service.*/
+       base_driver_device_pt baseDriverDevice;
+       celix_status_t (*getNextChar)(base_driver_device_pt baseDriverDevice, 
char *c);
+};
+
+typedef struct base_driver_device_service * base_driver_device_service_pt;
+
+#endif /* BASE_DRIVER_DEVICE_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/base_driver/private/include/base_driver_private.h
----------------------------------------------------------------------
diff --git 
a/device_access/example/base_driver/private/include/base_driver_private.h 
b/device_access/example/base_driver/private/include/base_driver_private.h
deleted file mode 100644
index 3ee5814..0000000
--- a/device_access/example/base_driver/private/include/base_driver_private.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/**
- *Licensed to the Apache Software Foundation (ASF) under one
- *or more contributor license agreements.  See the NOTICE file
- *distributed with this work for additional information
- *regarding copyright ownership.  The ASF licenses this file
- *to you under the Apache License, Version 2.0 (the
- *"License"); you may not use this file except in compliance
- *with the License.  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *Unless required by applicable law or agreed to in writing,
- *software distributed under the License is distributed on an
- *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- *specific language governing permissions and limitations
- *under the License.
- */
-/*
- * base_driver_private.h
- *
- *  \date       Jun 20, 2011
- *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
- *  \copyright Apache License, Version 2.0
- */
-#ifndef BASE_DRIVER_PRIVATE_H_
-#define BASE_DRIVER_PRIVATE_H_
-
-#include "base_driver_device.h"
-
-celix_status_t baseDriver_create(base_driver_device_pt *service);
-celix_status_t baseDriver_createService(base_driver_device_pt device, 
base_driver_device_service_pt *service);
-
-celix_status_t baseDriver_noDriverFound(device_pt device);
-
-celix_status_t baseDriver_getNextChar(base_driver_device_pt service, char *c);
-
-celix_status_t baseDriver_destroy(base_driver_device_pt device);
-celix_status_t baseDriver_destroyService(base_driver_device_service_pt 
service);
-
-#endif /* BASE_DRIVER_PRIVATE_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/base_driver/private/src/activator.c
----------------------------------------------------------------------
diff --git a/device_access/example/base_driver/private/src/activator.c 
b/device_access/example/base_driver/private/src/activator.c
deleted file mode 100644
index a6b9d62..0000000
--- a/device_access/example/base_driver/private/src/activator.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/**
- *Licensed to the Apache Software Foundation (ASF) under one
- *or more contributor license agreements.  See the NOTICE file
- *distributed with this work for additional information
- *regarding copyright ownership.  The ASF licenses this file
- *to you under the Apache License, Version 2.0 (the
- *"License"); you may not use this file except in compliance
- *with the License.  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *Unless required by applicable law or agreed to in writing,
- *software distributed under the License is distributed on an
- *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- *specific language governing permissions and limitations
- *under the License.
- */
-/*
- * activator.c
- *
- *  \date       Jun 20, 2011
- *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
- *  \copyright Apache License, Version 2.0
- */
-#include <stdlib.h>
-
-#include <celix_errno.h>
-#include <bundle_activator.h>
-#include <bundle_context.h>
-#include <celixbool.h>
-#include <device.h>
-
-#include "base_driver_private.h"
-#include "base_driver_device.h"
-
-struct base_driver_bundle_instance {
-       bundle_context_pt context;
-       array_list_pt serviceRegistrations;
-};
-
-typedef struct base_driver_bundle_instance *base_driver_bundle_instance_pt;
-
-celix_status_t bundleActivator_create(bundle_context_pt context, void 
**userData) {
-       printf("BASE_DRIVER: creating bundle\n");
-       celix_status_t status = CELIX_SUCCESS;
-               base_driver_bundle_instance_pt instance = calloc(1, 
sizeof(*instance));
-               if (instance != NULL) {
-                       instance->context = context;
-                       status = 
arrayList_create(&instance->serviceRegistrations);
-                       if (status == CELIX_SUCCESS) {
-                               (*userData) = instance;
-                       }
-               } else {
-                       status = CELIX_ENOMEM;
-               }
-       return status;
-}
-
-static celix_status_t 
bundleActivator_registerBaseDriverDevice(base_driver_bundle_instance_pt bi, 
char *serial) {
-       celix_status_t status = CELIX_SUCCESS;
-       base_driver_device_pt device = NULL;
-       base_driver_device_service_pt service = NULL;
-       status = baseDriver_create(&device);
-       if (status == CELIX_SUCCESS) {
-               status = baseDriver_createService(device, &service);
-               if (status == CELIX_SUCCESS) {
-                       properties_pt props = properties_create();
-                       properties_set(props, 
OSGI_DEVICEACCESS_DEVICE_CATEGORY, BASE_DRIVER_DEVICE_CATEGORY);
-                       properties_set(props, OSGI_DEVICEACCESS_DEVICE_SERIAL, 
serial);
-                       service_registration_pt service_registration = NULL;
-                       status = bundleContext_registerService(bi->context, 
OSGI_DEVICEACCESS_DEVICE_SERVICE_NAME, service, props, &service_registration);
-                       if (status == CELIX_SUCCESS) {
-                               arrayList_add(bi->serviceRegistrations, 
service_registration);
-                       }
-                       else{
-                               properties_destroy(props);
-                       }
-               }
-       }
-
-       if (status == CELIX_SUCCESS) {
-               printf("BASE_DRIVER: Successfully registered device service 
with serial %s.\n", serial);
-       } else {
-               char error[256];
-               printf("BASE_DRIVER: Unsuccessfully registered device service 
with serial %s. Got error: %s\n",
-                               serial, celix_strerror(status, error, 256));
-               if(service != NULL){
-                       baseDriver_destroyService(service);
-               }
-               if(device != NULL){
-                       baseDriver_destroy(device);
-               }
-       }
-       return status;
-}
-
-celix_status_t bundleActivator_start(void * userData, bundle_context_pt 
context) {
-       printf("BASE_DRIVER: starting bundle\n");
-       celix_status_t status = CELIX_SUCCESS;
-       base_driver_bundle_instance_pt bundleInstance = userData;
-       status = bundleActivator_registerBaseDriverDevice(bundleInstance, 
"0001");
-//     if (status == CELIX_SUCCESS) {
-//             status = 
bundleActivator_registerBaseDriverDevice(bundleInstance, "0002");
-//     }
-       return status;
-}
-
-celix_status_t bundleActivator_stop(void * userData, bundle_context_pt 
context) {
-       printf("BASE_DRIVER: stopping bundle\n");
-       celix_status_t status = CELIX_SUCCESS;
-       base_driver_bundle_instance_pt bundleInstance = userData;
-
-       array_list_iterator_pt iterator = 
arrayListIterator_create(bundleInstance->serviceRegistrations);
-       while (arrayListIterator_hasNext(iterator)) {
-               service_registration_pt reg = arrayListIterator_next(iterator);
-               printf("BASE_DRIVER: unregistering service\n");
-               celix_status_t unregStatus = 
serviceRegistration_unregister(reg);
-               if (unregStatus != CELIX_SUCCESS) {
-                       char error[256];
-                       status = CELIX_ILLEGAL_STATE;
-                       fprintf(stderr, "Cannot unregister service. Got error 
%s\n", celix_strerror(unregStatus, error, 256));
-               } else {
-                       printf("BASE_DRIVER: unregistered base device 
service\n");
-               }
-       }
-       arrayListIterator_destroy(iterator);
-
-       return status;
-}
-
-celix_status_t bundleActivator_destroy(void * userData, bundle_context_pt 
context) {
-       printf("BASE_DRIVER: destroying bundle\n");
-       celix_status_t status = CELIX_SUCCESS;
-       base_driver_bundle_instance_pt bundleInstance = userData;
-
-       arrayList_destroy(bundleInstance->serviceRegistrations);
-       return status;
-}
-

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/base_driver/private/src/base_driver.c
----------------------------------------------------------------------
diff --git a/device_access/example/base_driver/private/src/base_driver.c 
b/device_access/example/base_driver/private/src/base_driver.c
deleted file mode 100644
index a48c7de..0000000
--- a/device_access/example/base_driver/private/src/base_driver.c
+++ /dev/null
@@ -1,111 +0,0 @@
-/**
- *Licensed to the Apache Software Foundation (ASF) under one
- *or more contributor license agreements.  See the NOTICE file
- *distributed with this work for additional information
- *regarding copyright ownership.  The ASF licenses this file
- *to you under the Apache License, Version 2.0 (the
- *"License"); you may not use this file except in compliance
- *with the License.  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *Unless required by applicable law or agreed to in writing,
- *software distributed under the License is distributed on an
- *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- *specific language governing permissions and limitations
- *under the License.
- */
-/*
- * base_driver.c
- *
- *  \date       Jun 20, 2011
- *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
- *  \copyright Apache License, Version 2.0
- */
-#include <stdlib.h>
-#include <string.h>
-#include <celix_errno.h>
-#include <bundle_activator.h>
-#include <bundle_context.h>
-#include <celixbool.h>
-#include <device.h>
-
-#include "base_driver_device.h"
-#include "base_driver_private.h"
-
-static const char * INPUT_STRING = "Lorem ipsum dolor sit amet consectetur 
adipiscing elit ";
-
-struct device {
-       /*NOTE: for this example we use a empty device structure*/
-};
-
-struct base_driver_device {
-       device_pt device;
-       char *input;
-       int inputLength;
-       int currentChar;
-};
-
-celix_status_t baseDriver_noDriverFound(device_pt device) {
-       printf("BASE_DRIVER: No driver found\n");
-       return CELIX_SUCCESS;
-}
-
-celix_status_t baseDriver_create(base_driver_device_pt *baseDriverDevice) {
-       celix_status_t status = CELIX_SUCCESS;
-       (*baseDriverDevice) = calloc(1, sizeof(struct base_driver_device));
-       if (*baseDriverDevice != NULL) {
-               (*baseDriverDevice)->currentChar = 0;
-               (*baseDriverDevice)->input = (char *)INPUT_STRING;
-               (*baseDriverDevice)->inputLength=strlen(INPUT_STRING);
-               (*baseDriverDevice)->device = calloc(1, 
sizeof(*(*baseDriverDevice)->device));
-               if ((*baseDriverDevice)->device == NULL) {
-                       status = CELIX_ENOMEM;
-               }
-       } else {
-               status = CELIX_ENOMEM;
-       }
-       return status;
-}
-
-celix_status_t baseDriver_createService(base_driver_device_pt 
baseDriverDevice, base_driver_device_service_pt *service) {
-       celix_status_t status = CELIX_SUCCESS;
-       (*service) = calloc(1, sizeof(struct base_driver_device_service));
-       if ((*service) != NULL) {
-               (*service)->deviceService.noDriverFound = 
baseDriver_noDriverFound;
-               (*service)->deviceService.device = baseDriverDevice->device;
-               (*service)->getNextChar=baseDriver_getNextChar;
-               (*service)->baseDriverDevice = baseDriverDevice;
-       } else {
-               status = CELIX_ENOMEM;
-       }
-       return status;
-}
-
-celix_status_t baseDriver_getNextChar(base_driver_device_pt device, char *c) {
-       (*c) = device->input[device->currentChar];
-       device->currentChar+=1;
-       if (device->currentChar >= device->inputLength) {
-               device->currentChar = 0;
-       }
-       return CELIX_SUCCESS;
-}
-
-celix_status_t baseDriver_destroy(base_driver_device_pt device){
-       if(device != NULL){
-               if(device->device != NULL){
-                       free(device->device);
-               }
-               free(device);
-       }
-       return CELIX_SUCCESS;
-}
-
-celix_status_t baseDriver_destroyService(base_driver_device_service_pt 
service){
-       if(service != NULL){
-               free(service);
-       }
-
-       return CELIX_SUCCESS;
-}

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/base_driver/public/include/base_driver_device.h
----------------------------------------------------------------------
diff --git 
a/device_access/example/base_driver/public/include/base_driver_device.h 
b/device_access/example/base_driver/public/include/base_driver_device.h
deleted file mode 100644
index 78c4f46..0000000
--- a/device_access/example/base_driver/public/include/base_driver_device.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/**
- *Licensed to the Apache Software Foundation (ASF) under one
- *or more contributor license agreements.  See the NOTICE file
- *distributed with this work for additional information
- *regarding copyright ownership.  The ASF licenses this file
- *to you under the Apache License, Version 2.0 (the
- *"License"); you may not use this file except in compliance
- *with the License.  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *Unless required by applicable law or agreed to in writing,
- *software distributed under the License is distributed on an
- *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- *specific language governing permissions and limitations
- *under the License.
- */
-/*
- * base_driver_device.h
- *
- *  \date       Jun 20, 2011
- *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
- *  \copyright Apache License, Version 2.0
- */
-#ifndef BASE_DRIVER_DEVICE_H_
-#define BASE_DRIVER_DEVICE_H_
-
-#include "device.h"
-
-#define BASE_DRIVER_SERVICE_NAME "base_driver_device_service"
-#define BASE_DRIVER_DEVICE_CATEGORY "char"
-
-typedef struct base_driver_device *base_driver_device_pt;
-
-struct base_driver_device_service {
-       struct device_service deviceService; /*NOTE: base_driver_device_service 
is a device_service.*/
-       base_driver_device_pt baseDriverDevice;
-       celix_status_t (*getNextChar)(base_driver_device_pt baseDriverDevice, 
char *c);
-};
-
-typedef struct base_driver_device_service * base_driver_device_service_pt;
-
-#endif /* BASE_DRIVER_DEVICE_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/base_driver/src/activator.c
----------------------------------------------------------------------
diff --git a/device_access/example/base_driver/src/activator.c 
b/device_access/example/base_driver/src/activator.c
new file mode 100644
index 0000000..a6b9d62
--- /dev/null
+++ b/device_access/example/base_driver/src/activator.c
@@ -0,0 +1,140 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * activator.c
+ *
+ *  \date       Jun 20, 2011
+ *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
+ *  \copyright Apache License, Version 2.0
+ */
+#include <stdlib.h>
+
+#include <celix_errno.h>
+#include <bundle_activator.h>
+#include <bundle_context.h>
+#include <celixbool.h>
+#include <device.h>
+
+#include "base_driver_private.h"
+#include "base_driver_device.h"
+
+struct base_driver_bundle_instance {
+       bundle_context_pt context;
+       array_list_pt serviceRegistrations;
+};
+
+typedef struct base_driver_bundle_instance *base_driver_bundle_instance_pt;
+
+celix_status_t bundleActivator_create(bundle_context_pt context, void 
**userData) {
+       printf("BASE_DRIVER: creating bundle\n");
+       celix_status_t status = CELIX_SUCCESS;
+               base_driver_bundle_instance_pt instance = calloc(1, 
sizeof(*instance));
+               if (instance != NULL) {
+                       instance->context = context;
+                       status = 
arrayList_create(&instance->serviceRegistrations);
+                       if (status == CELIX_SUCCESS) {
+                               (*userData) = instance;
+                       }
+               } else {
+                       status = CELIX_ENOMEM;
+               }
+       return status;
+}
+
+static celix_status_t 
bundleActivator_registerBaseDriverDevice(base_driver_bundle_instance_pt bi, 
char *serial) {
+       celix_status_t status = CELIX_SUCCESS;
+       base_driver_device_pt device = NULL;
+       base_driver_device_service_pt service = NULL;
+       status = baseDriver_create(&device);
+       if (status == CELIX_SUCCESS) {
+               status = baseDriver_createService(device, &service);
+               if (status == CELIX_SUCCESS) {
+                       properties_pt props = properties_create();
+                       properties_set(props, 
OSGI_DEVICEACCESS_DEVICE_CATEGORY, BASE_DRIVER_DEVICE_CATEGORY);
+                       properties_set(props, OSGI_DEVICEACCESS_DEVICE_SERIAL, 
serial);
+                       service_registration_pt service_registration = NULL;
+                       status = bundleContext_registerService(bi->context, 
OSGI_DEVICEACCESS_DEVICE_SERVICE_NAME, service, props, &service_registration);
+                       if (status == CELIX_SUCCESS) {
+                               arrayList_add(bi->serviceRegistrations, 
service_registration);
+                       }
+                       else{
+                               properties_destroy(props);
+                       }
+               }
+       }
+
+       if (status == CELIX_SUCCESS) {
+               printf("BASE_DRIVER: Successfully registered device service 
with serial %s.\n", serial);
+       } else {
+               char error[256];
+               printf("BASE_DRIVER: Unsuccessfully registered device service 
with serial %s. Got error: %s\n",
+                               serial, celix_strerror(status, error, 256));
+               if(service != NULL){
+                       baseDriver_destroyService(service);
+               }
+               if(device != NULL){
+                       baseDriver_destroy(device);
+               }
+       }
+       return status;
+}
+
+celix_status_t bundleActivator_start(void * userData, bundle_context_pt 
context) {
+       printf("BASE_DRIVER: starting bundle\n");
+       celix_status_t status = CELIX_SUCCESS;
+       base_driver_bundle_instance_pt bundleInstance = userData;
+       status = bundleActivator_registerBaseDriverDevice(bundleInstance, 
"0001");
+//     if (status == CELIX_SUCCESS) {
+//             status = 
bundleActivator_registerBaseDriverDevice(bundleInstance, "0002");
+//     }
+       return status;
+}
+
+celix_status_t bundleActivator_stop(void * userData, bundle_context_pt 
context) {
+       printf("BASE_DRIVER: stopping bundle\n");
+       celix_status_t status = CELIX_SUCCESS;
+       base_driver_bundle_instance_pt bundleInstance = userData;
+
+       array_list_iterator_pt iterator = 
arrayListIterator_create(bundleInstance->serviceRegistrations);
+       while (arrayListIterator_hasNext(iterator)) {
+               service_registration_pt reg = arrayListIterator_next(iterator);
+               printf("BASE_DRIVER: unregistering service\n");
+               celix_status_t unregStatus = 
serviceRegistration_unregister(reg);
+               if (unregStatus != CELIX_SUCCESS) {
+                       char error[256];
+                       status = CELIX_ILLEGAL_STATE;
+                       fprintf(stderr, "Cannot unregister service. Got error 
%s\n", celix_strerror(unregStatus, error, 256));
+               } else {
+                       printf("BASE_DRIVER: unregistered base device 
service\n");
+               }
+       }
+       arrayListIterator_destroy(iterator);
+
+       return status;
+}
+
+celix_status_t bundleActivator_destroy(void * userData, bundle_context_pt 
context) {
+       printf("BASE_DRIVER: destroying bundle\n");
+       celix_status_t status = CELIX_SUCCESS;
+       base_driver_bundle_instance_pt bundleInstance = userData;
+
+       arrayList_destroy(bundleInstance->serviceRegistrations);
+       return status;
+}
+

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/base_driver/src/base_driver.c
----------------------------------------------------------------------
diff --git a/device_access/example/base_driver/src/base_driver.c 
b/device_access/example/base_driver/src/base_driver.c
new file mode 100644
index 0000000..a48c7de
--- /dev/null
+++ b/device_access/example/base_driver/src/base_driver.c
@@ -0,0 +1,111 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * base_driver.c
+ *
+ *  \date       Jun 20, 2011
+ *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
+ *  \copyright Apache License, Version 2.0
+ */
+#include <stdlib.h>
+#include <string.h>
+#include <celix_errno.h>
+#include <bundle_activator.h>
+#include <bundle_context.h>
+#include <celixbool.h>
+#include <device.h>
+
+#include "base_driver_device.h"
+#include "base_driver_private.h"
+
+static const char * INPUT_STRING = "Lorem ipsum dolor sit amet consectetur 
adipiscing elit ";
+
+struct device {
+       /*NOTE: for this example we use a empty device structure*/
+};
+
+struct base_driver_device {
+       device_pt device;
+       char *input;
+       int inputLength;
+       int currentChar;
+};
+
+celix_status_t baseDriver_noDriverFound(device_pt device) {
+       printf("BASE_DRIVER: No driver found\n");
+       return CELIX_SUCCESS;
+}
+
+celix_status_t baseDriver_create(base_driver_device_pt *baseDriverDevice) {
+       celix_status_t status = CELIX_SUCCESS;
+       (*baseDriverDevice) = calloc(1, sizeof(struct base_driver_device));
+       if (*baseDriverDevice != NULL) {
+               (*baseDriverDevice)->currentChar = 0;
+               (*baseDriverDevice)->input = (char *)INPUT_STRING;
+               (*baseDriverDevice)->inputLength=strlen(INPUT_STRING);
+               (*baseDriverDevice)->device = calloc(1, 
sizeof(*(*baseDriverDevice)->device));
+               if ((*baseDriverDevice)->device == NULL) {
+                       status = CELIX_ENOMEM;
+               }
+       } else {
+               status = CELIX_ENOMEM;
+       }
+       return status;
+}
+
+celix_status_t baseDriver_createService(base_driver_device_pt 
baseDriverDevice, base_driver_device_service_pt *service) {
+       celix_status_t status = CELIX_SUCCESS;
+       (*service) = calloc(1, sizeof(struct base_driver_device_service));
+       if ((*service) != NULL) {
+               (*service)->deviceService.noDriverFound = 
baseDriver_noDriverFound;
+               (*service)->deviceService.device = baseDriverDevice->device;
+               (*service)->getNextChar=baseDriver_getNextChar;
+               (*service)->baseDriverDevice = baseDriverDevice;
+       } else {
+               status = CELIX_ENOMEM;
+       }
+       return status;
+}
+
+celix_status_t baseDriver_getNextChar(base_driver_device_pt device, char *c) {
+       (*c) = device->input[device->currentChar];
+       device->currentChar+=1;
+       if (device->currentChar >= device->inputLength) {
+               device->currentChar = 0;
+       }
+       return CELIX_SUCCESS;
+}
+
+celix_status_t baseDriver_destroy(base_driver_device_pt device){
+       if(device != NULL){
+               if(device->device != NULL){
+                       free(device->device);
+               }
+               free(device);
+       }
+       return CELIX_SUCCESS;
+}
+
+celix_status_t baseDriver_destroyService(base_driver_device_service_pt 
service){
+       if(service != NULL){
+               free(service);
+       }
+
+       return CELIX_SUCCESS;
+}

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/base_driver/src/base_driver_private.h
----------------------------------------------------------------------
diff --git a/device_access/example/base_driver/src/base_driver_private.h 
b/device_access/example/base_driver/src/base_driver_private.h
new file mode 100644
index 0000000..3ee5814
--- /dev/null
+++ b/device_access/example/base_driver/src/base_driver_private.h
@@ -0,0 +1,41 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * base_driver_private.h
+ *
+ *  \date       Jun 20, 2011
+ *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
+ *  \copyright Apache License, Version 2.0
+ */
+#ifndef BASE_DRIVER_PRIVATE_H_
+#define BASE_DRIVER_PRIVATE_H_
+
+#include "base_driver_device.h"
+
+celix_status_t baseDriver_create(base_driver_device_pt *service);
+celix_status_t baseDriver_createService(base_driver_device_pt device, 
base_driver_device_service_pt *service);
+
+celix_status_t baseDriver_noDriverFound(device_pt device);
+
+celix_status_t baseDriver_getNextChar(base_driver_device_pt service, char *c);
+
+celix_status_t baseDriver_destroy(base_driver_device_pt device);
+celix_status_t baseDriver_destroyService(base_driver_device_service_pt 
service);
+
+#endif /* BASE_DRIVER_PRIVATE_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/consuming_driver/CMakeLists.txt
----------------------------------------------------------------------
diff --git a/device_access/example/consuming_driver/CMakeLists.txt 
b/device_access/example/consuming_driver/CMakeLists.txt
index 061d350..a9a9281 100644
--- a/device_access/example/consuming_driver/CMakeLists.txt
+++ b/device_access/example/consuming_driver/CMakeLists.txt
@@ -20,14 +20,10 @@ add_bundle(word_consumingdriver
        VERSION "0.0.1"
        NAME "Apache Celix Device Access Word Consuming Driver Example"
        SOURCES
-               private/src/activator
-               private/src/consuming_driver
+               src/activator
+               src/consuming_driver
 )
 
-include_directories(${PROJECT_SOURCE_DIR}/device_access/device_access/public/include)
-include_directories(${PROJECT_SOURCE_DIR}/device_access/example/refining_driver/public/include)
-include_directories(private/include)
-include_directories("${PROJECT_SOURCE_DIR}/framework/public/include")
-include_directories("${PROJECT_SOURCE_DIR}/utils/public/include")
+target_include_directories(word_consumingdriver PRIVATE src)
 
-target_link_libraries(word_consumingdriver celix_utils celix_framework)
+target_link_libraries(word_consumingdriver PRIVATE Celix::device_access_api 
base_driver char_refiningdriver)

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/consuming_driver/private/include/consuming_driver_private.h
----------------------------------------------------------------------
diff --git 
a/device_access/example/consuming_driver/private/include/consuming_driver_private.h
 
b/device_access/example/consuming_driver/private/include/consuming_driver_private.h
deleted file mode 100644
index 261bb52..0000000
--- 
a/device_access/example/consuming_driver/private/include/consuming_driver_private.h
+++ /dev/null
@@ -1,43 +0,0 @@
-/**
- *Licensed to the Apache Software Foundation (ASF) under one
- *or more contributor license agreements.  See the NOTICE file
- *distributed with this work for additional information
- *regarding copyright ownership.  The ASF licenses this file
- *to you under the Apache License, Version 2.0 (the
- *"License"); you may not use this file except in compliance
- *with the License.  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *Unless required by applicable law or agreed to in writing,
- *software distributed under the License is distributed on an
- *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- *specific language governing permissions and limitations
- *under the License.
- */
-/*
- * consuming_driver_private.h
- *
- *  \date       Jun 20, 2011
- *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
- *  \copyright Apache License, Version 2.0
- */
-#ifndef CONSUMING_DRIVER_PRIVATE_H_
-#define CONSUMING_DRIVER_PRIVATE_H_
-
-#include <celix_errno.h>
-#include <service_reference.h>
-#include <driver.h>
-
-#define CONSUMING_DRIVER_ID "CONSUMING_DRIVER"
-
-typedef struct consuming_driver *consuming_driver_pt;
-
-celix_status_t consumingDriver_create(bundle_context_pt context, 
consuming_driver_pt *driver);
-celix_status_t consumingDriver_createService(consuming_driver_pt driver, 
driver_service_pt *service);
-
-celix_status_t consumingDriver_attach(void *driver, service_reference_pt 
reference, char **result);
-celix_status_t consumingDriver_match(void *driver, service_reference_pt 
reference, int *value);
-
-#endif /* CONSUMING_DRIVER_PRIVATE_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/consuming_driver/private/src/activator.c
----------------------------------------------------------------------
diff --git a/device_access/example/consuming_driver/private/src/activator.c 
b/device_access/example/consuming_driver/private/src/activator.c
deleted file mode 100644
index 2004657..0000000
--- a/device_access/example/consuming_driver/private/src/activator.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/**
- *Licensed to the Apache Software Foundation (ASF) under one
- *or more contributor license agreements.  See the NOTICE file
- *distributed with this work for additional information
- *regarding copyright ownership.  The ASF licenses this file
- *to you under the Apache License, Version 2.0 (the
- *"License"); you may not use this file except in compliance
- *with the License.  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *Unless required by applicable law or agreed to in writing,
- *software distributed under the License is distributed on an
- *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- *specific language governing permissions and limitations
- *under the License.
- */
-/*
- * activator.c
- *
- *  \date       Jun 20, 2011
- *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
- *  \copyright Apache License, Version 2.0
- */
-#include <stdlib.h>
-
-#include <celix_errno.h>
-#include <bundle_activator.h>
-#include <bundle_context.h>
-#include <celixbool.h>
-#include <device.h>
-
-#include "consuming_driver_private.h"
-
-struct consuming_driver_bundle_instance {
-       bundle_context_pt context;
-       service_registration_pt registration;
-};
-
-typedef struct consuming_driver_bundle_instance 
*consuming_driver_bundle_instance_pt;
-
-celix_status_t bundleActivator_create(bundle_context_pt context, void 
**userData) {
-       printf("CONSUMING_DRIVER: creating bundle\n");
-       celix_status_t status = CELIX_SUCCESS;
-       consuming_driver_bundle_instance_pt instance = calloc(1, 
sizeof(*instance));
-       if (instance != NULL) {
-               instance->context = context;
-               instance->registration = NULL;
-               (*userData) = instance;
-       } else {
-               status = CELIX_ENOMEM;
-       }
-       return status;
-}
-
-celix_status_t bundleActivator_start(void * userData, bundle_context_pt 
context) {
-       printf("CONSUMING_DRIVER: starting bundle\n");
-       celix_status_t status = CELIX_SUCCESS;
-       consuming_driver_bundle_instance_pt bi = userData;
-
-       consuming_driver_pt driver = NULL;
-       status = consumingDriver_create(context, &driver);
-       if (status == CELIX_SUCCESS) {
-               driver_service_pt service = NULL;
-               status = consumingDriver_createService(driver, &service);
-               if (status == CELIX_SUCCESS) {
-                       properties_pt props = properties_create();
-                       properties_set(props, "DRIVER_ID", CONSUMING_DRIVER_ID);
-                       status = bundleContext_registerService(context, 
OSGI_DEVICEACCESS_DRIVER_SERVICE_NAME, service, props, &bi->registration);
-               }
-       }
-
-       if (status == CELIX_SUCCESS) {
-               printf("CONSUMING_DRIVER: registered driver service.\n");
-       } else {
-               char error[256];
-               printf("CONSUMING_DRIVER: Could not register driver service. 
Get error %s\n", celix_strerror(status, error, 256));
-       }
-
-       return status;
-}
-
-celix_status_t bundleActivator_stop(void * userData, bundle_context_pt 
context) {
-       printf("CONSUMING_DRIVER: stopping bundle\n");
-       celix_status_t status = CELIX_SUCCESS;
-       consuming_driver_bundle_instance_pt bi = userData;
-
-       if (bi->registration != NULL) {
-               serviceRegistration_unregister(bi->registration);
-               printf("CONSUMING_DRIVER: unregistered driver service\n");
-       }
-
-       return status;
-}
-
-celix_status_t bundleActivator_destroy(void * userData, bundle_context_pt 
context) {
-       printf("CONSUMING_DRIVER: destroying bundle\n");
-       celix_status_t status = CELIX_SUCCESS;
-       return status;
-}
-
-
-

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/consuming_driver/private/src/consuming_driver.c
----------------------------------------------------------------------
diff --git 
a/device_access/example/consuming_driver/private/src/consuming_driver.c 
b/device_access/example/consuming_driver/private/src/consuming_driver.c
deleted file mode 100644
index 9106dbd..0000000
--- a/device_access/example/consuming_driver/private/src/consuming_driver.c
+++ /dev/null
@@ -1,125 +0,0 @@
-/**
- *Licensed to the Apache Software Foundation (ASF) under one
- *or more contributor license agreements.  See the NOTICE file
- *distributed with this work for additional information
- *regarding copyright ownership.  The ASF licenses this file
- *to you under the Apache License, Version 2.0 (the
- *"License"); you may not use this file except in compliance
- *with the License.  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *Unless required by applicable law or agreed to in writing,
- *software distributed under the License is distributed on an
- *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- *specific language governing permissions and limitations
- *under the License.
- */
-/*
- * consuming_driver.c
- *
- *  \date       Jun 20, 2011
- *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
- *  \copyright Apache License, Version 2.0
- */
-#include <stdlib.h>
-#include <string.h>
-
-#include <device.h>
-#include <service_tracker.h>
-#include <service_reference.h>
-
-#include "celixbool.h"
-#include "consuming_driver_private.h"
-#include "refining_driver_device.h"
-
-
-struct consuming_driver {
-       bundle_context_pt context;
-       array_list_pt references;
-};
-
-celix_status_t consumingDriver_destroy(consuming_driver_pt driver) {
-       printf("CONSUMING_DRIVER: cleanup\n");
-       if (driver->references != NULL) {
-               array_list_iterator_pt iterator = 
arrayListIterator_create(driver->references);
-               while (arrayListIterator_hasNext(iterator)) {
-                       service_reference_pt reference = 
arrayListIterator_next(iterator);
-                       bool result;
-                       bundleContext_ungetService(driver->context, reference, 
&result);
-               }
-               arrayListIterator_destroy(iterator);
-
-               arrayList_destroy(driver->references);
-               driver->references=NULL;
-       }
-
-
-       return CELIX_SUCCESS;
-}
-
-celix_status_t consumingDriver_create(bundle_context_pt context, 
consuming_driver_pt *driver) {
-       celix_status_t status = CELIX_SUCCESS;
-       (*driver) = calloc(1, sizeof(**driver));
-       if ((*driver) != NULL) {
-               (*driver)->context=context;
-               (*driver)->references=NULL;
-
-               status = arrayList_create(&(*driver)->references);
-       } else {
-               status = CELIX_ENOMEM;
-       }
-       return status;
-}
-
-celix_status_t consumingDriver_createService(consuming_driver_pt driver, 
driver_service_pt *service) {
-       celix_status_t status = CELIX_SUCCESS;
-       (*service) = calloc(1, sizeof(**service));
-       if ((*service) != NULL) {
-               (*service)->driver = driver;
-               (*service)->attach = consumingDriver_attach;
-               (*service)->match = consumingDriver_match;
-       } else {
-               status = CELIX_ENOMEM;
-       }
-       return status;
-}
-
-celix_status_t consumingDriver_attach(void * driverHandler, 
service_reference_pt reference, char **result) {
-       printf("CONSUMING_DRIVER: attached called\n");
-       celix_status_t status = CELIX_SUCCESS;
-       consuming_driver_pt driver = driverHandler;
-       (*result) = NULL;
-       refining_driver_device_service_pt device_service = NULL;
-
-       status = bundleContext_getService(driver->context, reference, (void 
**)&device_service);
-       if (status == CELIX_SUCCESS) {
-               arrayList_add(driver->references, reference);
-               //consume the device
-               for (int i=0; i<15; i++) {
-                       char *str = NULL;
-                       
device_service->getNextWord(device_service->refiningDriverDevice, &str);
-                       printf("CONSUMING_DEVICE: Word Device result is %s\n", 
str);
-               }
-       }
-       return status;
-}
-
-celix_status_t consumingDriver_match(void *driverHandler, service_reference_pt 
reference, int *value) {
-       printf("CONSUMING_DRIVER: match called\n");
-       int match=0;
-       celix_status_t status = CELIX_SUCCESS;
-
-    const char* category = NULL;
-    status = serviceReference_getProperty(reference, 
OSGI_DEVICEACCESS_DEVICE_CATEGORY, &category);
-    if (status == CELIX_SUCCESS) {
-        if (strcmp(category, REFINING_DRIVER_DEVICE_CATEGORY) == 0) {
-            match = 10;
-        }
-    }
-
-       (*value) = match;
-       return status;
-}
-

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/consuming_driver/src/activator.c
----------------------------------------------------------------------
diff --git a/device_access/example/consuming_driver/src/activator.c 
b/device_access/example/consuming_driver/src/activator.c
new file mode 100644
index 0000000..2004657
--- /dev/null
+++ b/device_access/example/consuming_driver/src/activator.c
@@ -0,0 +1,104 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * activator.c
+ *
+ *  \date       Jun 20, 2011
+ *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
+ *  \copyright Apache License, Version 2.0
+ */
+#include <stdlib.h>
+
+#include <celix_errno.h>
+#include <bundle_activator.h>
+#include <bundle_context.h>
+#include <celixbool.h>
+#include <device.h>
+
+#include "consuming_driver_private.h"
+
+struct consuming_driver_bundle_instance {
+       bundle_context_pt context;
+       service_registration_pt registration;
+};
+
+typedef struct consuming_driver_bundle_instance 
*consuming_driver_bundle_instance_pt;
+
+celix_status_t bundleActivator_create(bundle_context_pt context, void 
**userData) {
+       printf("CONSUMING_DRIVER: creating bundle\n");
+       celix_status_t status = CELIX_SUCCESS;
+       consuming_driver_bundle_instance_pt instance = calloc(1, 
sizeof(*instance));
+       if (instance != NULL) {
+               instance->context = context;
+               instance->registration = NULL;
+               (*userData) = instance;
+       } else {
+               status = CELIX_ENOMEM;
+       }
+       return status;
+}
+
+celix_status_t bundleActivator_start(void * userData, bundle_context_pt 
context) {
+       printf("CONSUMING_DRIVER: starting bundle\n");
+       celix_status_t status = CELIX_SUCCESS;
+       consuming_driver_bundle_instance_pt bi = userData;
+
+       consuming_driver_pt driver = NULL;
+       status = consumingDriver_create(context, &driver);
+       if (status == CELIX_SUCCESS) {
+               driver_service_pt service = NULL;
+               status = consumingDriver_createService(driver, &service);
+               if (status == CELIX_SUCCESS) {
+                       properties_pt props = properties_create();
+                       properties_set(props, "DRIVER_ID", CONSUMING_DRIVER_ID);
+                       status = bundleContext_registerService(context, 
OSGI_DEVICEACCESS_DRIVER_SERVICE_NAME, service, props, &bi->registration);
+               }
+       }
+
+       if (status == CELIX_SUCCESS) {
+               printf("CONSUMING_DRIVER: registered driver service.\n");
+       } else {
+               char error[256];
+               printf("CONSUMING_DRIVER: Could not register driver service. 
Get error %s\n", celix_strerror(status, error, 256));
+       }
+
+       return status;
+}
+
+celix_status_t bundleActivator_stop(void * userData, bundle_context_pt 
context) {
+       printf("CONSUMING_DRIVER: stopping bundle\n");
+       celix_status_t status = CELIX_SUCCESS;
+       consuming_driver_bundle_instance_pt bi = userData;
+
+       if (bi->registration != NULL) {
+               serviceRegistration_unregister(bi->registration);
+               printf("CONSUMING_DRIVER: unregistered driver service\n");
+       }
+
+       return status;
+}
+
+celix_status_t bundleActivator_destroy(void * userData, bundle_context_pt 
context) {
+       printf("CONSUMING_DRIVER: destroying bundle\n");
+       celix_status_t status = CELIX_SUCCESS;
+       return status;
+}
+
+
+

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/consuming_driver/src/consuming_driver.c
----------------------------------------------------------------------
diff --git a/device_access/example/consuming_driver/src/consuming_driver.c 
b/device_access/example/consuming_driver/src/consuming_driver.c
new file mode 100644
index 0000000..9106dbd
--- /dev/null
+++ b/device_access/example/consuming_driver/src/consuming_driver.c
@@ -0,0 +1,125 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * consuming_driver.c
+ *
+ *  \date       Jun 20, 2011
+ *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
+ *  \copyright Apache License, Version 2.0
+ */
+#include <stdlib.h>
+#include <string.h>
+
+#include <device.h>
+#include <service_tracker.h>
+#include <service_reference.h>
+
+#include "celixbool.h"
+#include "consuming_driver_private.h"
+#include "refining_driver_device.h"
+
+
+struct consuming_driver {
+       bundle_context_pt context;
+       array_list_pt references;
+};
+
+celix_status_t consumingDriver_destroy(consuming_driver_pt driver) {
+       printf("CONSUMING_DRIVER: cleanup\n");
+       if (driver->references != NULL) {
+               array_list_iterator_pt iterator = 
arrayListIterator_create(driver->references);
+               while (arrayListIterator_hasNext(iterator)) {
+                       service_reference_pt reference = 
arrayListIterator_next(iterator);
+                       bool result;
+                       bundleContext_ungetService(driver->context, reference, 
&result);
+               }
+               arrayListIterator_destroy(iterator);
+
+               arrayList_destroy(driver->references);
+               driver->references=NULL;
+       }
+
+
+       return CELIX_SUCCESS;
+}
+
+celix_status_t consumingDriver_create(bundle_context_pt context, 
consuming_driver_pt *driver) {
+       celix_status_t status = CELIX_SUCCESS;
+       (*driver) = calloc(1, sizeof(**driver));
+       if ((*driver) != NULL) {
+               (*driver)->context=context;
+               (*driver)->references=NULL;
+
+               status = arrayList_create(&(*driver)->references);
+       } else {
+               status = CELIX_ENOMEM;
+       }
+       return status;
+}
+
+celix_status_t consumingDriver_createService(consuming_driver_pt driver, 
driver_service_pt *service) {
+       celix_status_t status = CELIX_SUCCESS;
+       (*service) = calloc(1, sizeof(**service));
+       if ((*service) != NULL) {
+               (*service)->driver = driver;
+               (*service)->attach = consumingDriver_attach;
+               (*service)->match = consumingDriver_match;
+       } else {
+               status = CELIX_ENOMEM;
+       }
+       return status;
+}
+
+celix_status_t consumingDriver_attach(void * driverHandler, 
service_reference_pt reference, char **result) {
+       printf("CONSUMING_DRIVER: attached called\n");
+       celix_status_t status = CELIX_SUCCESS;
+       consuming_driver_pt driver = driverHandler;
+       (*result) = NULL;
+       refining_driver_device_service_pt device_service = NULL;
+
+       status = bundleContext_getService(driver->context, reference, (void 
**)&device_service);
+       if (status == CELIX_SUCCESS) {
+               arrayList_add(driver->references, reference);
+               //consume the device
+               for (int i=0; i<15; i++) {
+                       char *str = NULL;
+                       
device_service->getNextWord(device_service->refiningDriverDevice, &str);
+                       printf("CONSUMING_DEVICE: Word Device result is %s\n", 
str);
+               }
+       }
+       return status;
+}
+
+celix_status_t consumingDriver_match(void *driverHandler, service_reference_pt 
reference, int *value) {
+       printf("CONSUMING_DRIVER: match called\n");
+       int match=0;
+       celix_status_t status = CELIX_SUCCESS;
+
+    const char* category = NULL;
+    status = serviceReference_getProperty(reference, 
OSGI_DEVICEACCESS_DEVICE_CATEGORY, &category);
+    if (status == CELIX_SUCCESS) {
+        if (strcmp(category, REFINING_DRIVER_DEVICE_CATEGORY) == 0) {
+            match = 10;
+        }
+    }
+
+       (*value) = match;
+       return status;
+}
+

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/consuming_driver/src/consuming_driver_private.h
----------------------------------------------------------------------
diff --git 
a/device_access/example/consuming_driver/src/consuming_driver_private.h 
b/device_access/example/consuming_driver/src/consuming_driver_private.h
new file mode 100644
index 0000000..261bb52
--- /dev/null
+++ b/device_access/example/consuming_driver/src/consuming_driver_private.h
@@ -0,0 +1,43 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * consuming_driver_private.h
+ *
+ *  \date       Jun 20, 2011
+ *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
+ *  \copyright Apache License, Version 2.0
+ */
+#ifndef CONSUMING_DRIVER_PRIVATE_H_
+#define CONSUMING_DRIVER_PRIVATE_H_
+
+#include <celix_errno.h>
+#include <service_reference.h>
+#include <driver.h>
+
+#define CONSUMING_DRIVER_ID "CONSUMING_DRIVER"
+
+typedef struct consuming_driver *consuming_driver_pt;
+
+celix_status_t consumingDriver_create(bundle_context_pt context, 
consuming_driver_pt *driver);
+celix_status_t consumingDriver_createService(consuming_driver_pt driver, 
driver_service_pt *service);
+
+celix_status_t consumingDriver_attach(void *driver, service_reference_pt 
reference, char **result);
+celix_status_t consumingDriver_match(void *driver, service_reference_pt 
reference, int *value);
+
+#endif /* CONSUMING_DRIVER_PRIVATE_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/refining_driver/CMakeLists.txt
----------------------------------------------------------------------
diff --git a/device_access/example/refining_driver/CMakeLists.txt 
b/device_access/example/refining_driver/CMakeLists.txt
index d16584f..c339b73 100644
--- a/device_access/example/refining_driver/CMakeLists.txt
+++ b/device_access/example/refining_driver/CMakeLists.txt
@@ -20,15 +20,10 @@ add_bundle(char_refiningdriver
        NAME "Apache Celix Device Access Char Refining Driver Example"
        VERSION "0.0.1"
        SOURCES
-               private/src/activator
-               private/src/refining_driver
+               src/activator
+               src/refining_driver
 )
 
-include_directories(${PROJECT_SOURCE_DIR}/device_access/device_access/public/include)
-include_directories(${PROJECT_SOURCE_DIR}/device_access/example/base_driver/public/include)
-include_directories(private/include)
-include_directories(public/include)
-include_directories("${PROJECT_SOURCE_DIR}/framework/public/include")
-include_directories("${PROJECT_SOURCE_DIR}/utils/public/include")
-
-target_link_libraries(char_refiningdriver celix_utils celix_framework)
+target_include_directories(char_refiningdriver PRIVATE src)
+target_include_directories(char_refiningdriver PUBLIC include)
+target_link_libraries(char_refiningdriver PRIVATE Celix::device_access_api 
base_driver)

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/refining_driver/include/refining_driver_device.h
----------------------------------------------------------------------
diff --git 
a/device_access/example/refining_driver/include/refining_driver_device.h 
b/device_access/example/refining_driver/include/refining_driver_device.h
new file mode 100644
index 0000000..728725e
--- /dev/null
+++ b/device_access/example/refining_driver/include/refining_driver_device.h
@@ -0,0 +1,45 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * refining_driver_device.h
+ *
+ *  \date       Jun 20, 2011
+ *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
+ *  \copyright Apache License, Version 2.0
+ */
+#ifndef REFINING_DRIVER_DEVICE_H_
+#define REFINING_DRIVER_DEVICE_H_
+
+#include "device.h"
+
+#define REFINING_DRIVER_SERVICE_NAME "refining_driver_device_service"
+#define REFINING_DRIVER_DEVICE_CATEGORY "word"
+#define REFINING_DRIVER_DEVICE_SERVIC_NAME "refining_driver_device"
+
+typedef struct refining_driver_device *refining_driver_device_pt;
+
+struct refining_driver_device_service {
+       struct device_service deviceService; /*NOTE: base_driver_device_service 
is a device_service.*/
+       refining_driver_device_pt refiningDriverDevice;
+       celix_status_t (*getNextWord)(refining_driver_device_pt 
refiningDriverDevice, char **c);
+};
+
+typedef struct refining_driver_device_service * 
refining_driver_device_service_pt;
+
+#endif /* REFINING_DRIVER_DEVICE_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/refining_driver/private/include/refining_driver_private.h
----------------------------------------------------------------------
diff --git 
a/device_access/example/refining_driver/private/include/refining_driver_private.h
 
b/device_access/example/refining_driver/private/include/refining_driver_private.h
deleted file mode 100644
index 37f15a5..0000000
--- 
a/device_access/example/refining_driver/private/include/refining_driver_private.h
+++ /dev/null
@@ -1,58 +0,0 @@
-/**
- *Licensed to the Apache Software Foundation (ASF) under one
- *or more contributor license agreements.  See the NOTICE file
- *distributed with this work for additional information
- *regarding copyright ownership.  The ASF licenses this file
- *to you under the Apache License, Version 2.0 (the
- *"License"); you may not use this file except in compliance
- *with the License.  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *Unless required by applicable law or agreed to in writing,
- *software distributed under the License is distributed on an
- *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- *specific language governing permissions and limitations
- *under the License.
- */
-/*
- * refining_driver_private.h
- *
- *  \date       Jun 20, 2011
- *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
- *  \copyright Apache License, Version 2.0
- */
-#ifndef REFINING_DRIVER_PRIVATE_H_
-#define REFINING_DRIVER_PRIVATE_H_
-
-#include <celix_errno.h>
-#include <service_reference.h>
-#include <driver.h>
-
-#include "refining_driver_device.h"
-#include "base_driver_device.h"
-
-#define REFINING_DRIVER_ID "REFINING_DRIVER"
-
-typedef struct refining_driver *refining_driver_pt;
-
-celix_status_t refiningDriver_create(bundle_context_pt context, 
refining_driver_pt *driver);
-celix_status_t refiningDriver_destroy(refining_driver_pt driver);
-
-celix_status_t refiningDriver_createService(refining_driver_pt driver, 
driver_service_pt *service);
-
-celix_status_t refiningDriver_createDevice(refining_driver_pt driver, 
service_reference_pt reference, base_driver_device_service_pt baseDevice, 
refining_driver_device_pt *device);
-celix_status_t refiningDriver_destroyDevice(refining_driver_device_pt device);
-
-
-celix_status_t refiningDriver_attach(void *driver, service_reference_pt 
reference, char **result);
-celix_status_t refiningDriver_match(void *driver, service_reference_pt 
reference, int *value);
-
-
-celix_status_t refiningDriverDevice_noDriverFound(device_pt device);
-celix_status_t refiningDriverDevice_createService(refining_driver_device_pt, 
refining_driver_device_service_pt *service);
-celix_status_t 
refiningDriverDevice_destroyService(refining_driver_device_service_pt service);
-celix_status_t refiningDriverDevice_getNextWord(refining_driver_device_pt 
refiningDriverDevice, char **word);
-
-#endif /* REFINING_DRIVER_PRIVATE_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/refining_driver/private/src/activator.c
----------------------------------------------------------------------
diff --git a/device_access/example/refining_driver/private/src/activator.c 
b/device_access/example/refining_driver/private/src/activator.c
deleted file mode 100644
index 233b150..0000000
--- a/device_access/example/refining_driver/private/src/activator.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/**
- *Licensed to the Apache Software Foundation (ASF) under one
- *or more contributor license agreements.  See the NOTICE file
- *distributed with this work for additional information
- *regarding copyright ownership.  The ASF licenses this file
- *to you under the Apache License, Version 2.0 (the
- *"License"); you may not use this file except in compliance
- *with the License.  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *Unless required by applicable law or agreed to in writing,
- *software distributed under the License is distributed on an
- *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- *specific language governing permissions and limitations
- *under the License.
- */
-/*
- * activator.c
- *
- *  \date       Jun 20, 2011
- *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
- *  \copyright Apache License, Version 2.0
- */
-#include <stdlib.h>
-
-#include <celix_errno.h>
-#include <bundle_activator.h>
-#include <bundle_context.h>
-#include <celixbool.h>
-#include <device.h>
-
-#include "refining_driver_private.h"
-
-struct refining_driver_bundle_instance {
-       bundle_context_pt context;
-       service_registration_pt registration;
-};
-
-typedef struct refining_driver_bundle_instance 
*refining_driver_bundle_instance_pt;
-
-celix_status_t bundleActivator_create(bundle_context_pt context, void 
**userData) {
-       printf("REFINING_DRIVER: creating bundle\n");
-       celix_status_t status = CELIX_SUCCESS;
-       refining_driver_bundle_instance_pt instance = calloc(1, 
sizeof(*instance));
-       if (instance != NULL) {
-               instance->context = context;
-               instance->registration = NULL;
-               (*userData) = instance;
-       } else {
-               status = CELIX_ENOMEM;
-       }
-       return status;
-}
-
-celix_status_t bundleActivator_start(void * userData, bundle_context_pt 
context) {
-       printf("REFINING_DRIVER: starting bundle\n");
-       celix_status_t status = CELIX_SUCCESS;
-       refining_driver_bundle_instance_pt bi = userData;
-
-       refining_driver_pt driver = NULL;
-       status = refiningDriver_create(context, &driver);
-       if (status == CELIX_SUCCESS) {
-               driver_service_pt service = NULL;
-               status = refiningDriver_createService(driver, &service);
-               if (status == CELIX_SUCCESS) {
-                       properties_pt props = properties_create();
-                       properties_set(props, "DRIVER_ID", REFINING_DRIVER_ID);
-                       status = bundleContext_registerService(context, 
OSGI_DEVICEACCESS_DRIVER_SERVICE_NAME, service, props, &bi->registration);
-               }
-       }
-
-       if (status == CELIX_SUCCESS) {
-               printf("REFINING_DRIVER: registered driver service.\n");
-       } else {
-               char error[256];
-               printf("REFINING_DRIVER: Could not register driver service. Get 
error %s\n", celix_strerror(status, error, 256));
-       }
-
-       return status;
-}
-
-celix_status_t bundleActivator_stop(void * userData, bundle_context_pt 
context) {
-       printf("REFINING_DRIVER: stopping bundle\n");
-       celix_status_t status = CELIX_SUCCESS;
-       refining_driver_bundle_instance_pt bi = userData;
-
-       if (bi->registration != NULL) {
-               serviceRegistration_unregister(bi->registration);
-               printf("REFINING_DRIVER: unregistered driver service\n");
-       }
-
-       return status;
-}
-
-celix_status_t bundleActivator_destroy(void * userData, bundle_context_pt 
context) {
-       printf("REFINING_DRIVER: destroying bundle\n");
-       celix_status_t status = CELIX_SUCCESS;
-       return status;
-}
-
-
-

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/refining_driver/private/src/refining_driver.c
----------------------------------------------------------------------
diff --git 
a/device_access/example/refining_driver/private/src/refining_driver.c 
b/device_access/example/refining_driver/private/src/refining_driver.c
deleted file mode 100644
index 404bc42..0000000
--- a/device_access/example/refining_driver/private/src/refining_driver.c
+++ /dev/null
@@ -1,281 +0,0 @@
-/**
- *Licensed to the Apache Software Foundation (ASF) under one
- *or more contributor license agreements.  See the NOTICE file
- *distributed with this work for additional information
- *regarding copyright ownership.  The ASF licenses this file
- *to you under the Apache License, Version 2.0 (the
- *"License"); you may not use this file except in compliance
- *with the License.  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *Unless required by applicable law or agreed to in writing,
- *software distributed under the License is distributed on an
- *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- *specific language governing permissions and limitations
- *under the License.
- */
-/*
- * refining_driver.c
- *
- *  \date       Jun 20, 2011
- *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
- *  \copyright Apache License, Version 2.0
- */
-#include <stdlib.h>
-#include <string.h>
-
-#include <device.h>
-#include <bundle_context.h>
-#include <service_event.h>
-
-#include "refining_driver_private.h"
-#include "base_driver_device.h"
-
-static const int MAX_BUFF_SIZE = 1024;
-
-struct refining_driver {
-       device_pt device;
-       bundle_context_pt context;
-       int deviceCount;
-       array_list_pt devices;
-};
-
-struct device {
-       /*NOTE: for this example we use a empty device structure*/
-};
-
-struct refining_driver_device {
-       device_pt device;
-       base_driver_device_service_pt baseDriverDeviceService;
-       refining_driver_pt driver;
-       service_reference_pt baseServiceReference;
-       service_registration_pt deviceRegistration;
-       service_listener_pt listener;
-};
-
-celix_status_t refiningDriver_destroy(refining_driver_pt driver) {
-       if (driver != NULL) {
-               if (driver->devices != NULL) {
-                       arrayList_destroy(driver->devices);
-                       driver->devices=NULL;
-               }
-       }
-       return CELIX_SUCCESS;
-}
-
-celix_status_t refiningDriver_create(bundle_context_pt context, 
refining_driver_pt *driver) {
-       celix_status_t status = CELIX_SUCCESS;
-       (*driver) = calloc(1, sizeof(**driver));
-       if ((*driver) != NULL) {
-               (*driver)->context=context;
-               (*driver)->deviceCount=0;
-               (*driver)->device = calloc(1, sizeof(*(*driver)->device));
-               (*driver)->devices=NULL;
-               status = arrayList_create(&(*driver)->devices);
-       } else {
-               status = CELIX_ENOMEM;
-       }
-       return status;
-}
-
-celix_status_t refiningDriver_createService(refining_driver_pt driver, 
driver_service_pt *service) {
-       celix_status_t status = CELIX_SUCCESS;
-       (*service) = calloc(1, sizeof(**service));
-       if ((*service) != NULL) {
-               (*service)->driver = driver;
-               (*service)->attach = refiningDriver_attach;
-               (*service)->match = refiningDriver_match;
-       } else {
-               status = CELIX_ENOMEM;
-       }
-       return status;
-}
-
-static celix_status_t refiningDriver_stopDevice(refining_driver_device_pt 
device) {
-       printf("REFINING_DRIVER: stopping device, parent device is 
unregistered\n");
-       celix_status_t status =  CELIX_SUCCESS;
-
-       if (device->deviceRegistration != NULL) {
-               status = 
serviceRegistration_unregister(device->deviceRegistration);
-               if (status == CELIX_SUCCESS) {
-                       printf("unregistered refining device\n");
-               }
-       }
-
-       arrayList_removeElement(device->driver->devices, device);
-       return status;
-}
-
-
-static celix_status_t refiningDriver_serviceChanged(service_listener_pt 
listener, service_event_pt event) {
-       celix_status_t status =  CELIX_SUCCESS;
-       refining_driver_device_pt device = listener->handle;
-       if (event->type == OSGI_FRAMEWORK_SERVICE_EVENT_UNREGISTERING) {
-               bool equal = false;
-               status = serviceReference_equals(device->baseServiceReference, 
event->reference, &equal);
-               if (status == CELIX_SUCCESS && equal) {
-                       refiningDriver_stopDevice(device);
-               }
-       }
-       return status;
-}
-
-celix_status_t refiningDriver_destroyDevice(refining_driver_device_pt device) {
-       return CELIX_SUCCESS;
-}
-
-celix_status_t refining_driver_cleanup_device(refining_driver_device_pt 
handler) {
-       celix_status_t status = CELIX_SUCCESS;;
-       refining_driver_device_pt device = handler;
-       if (device != NULL) {
-               if (device->listener != NULL) {
-                       
bundleContext_removeServiceListener(device->driver->context, device->listener);
-               }
-       }
-       return status;
-}
-
-celix_status_t refiningDriver_createDevice(refining_driver_pt driver, 
service_reference_pt reference, base_driver_device_service_pt baseService, 
refining_driver_device_pt *device) {
-       celix_status_t status = CELIX_SUCCESS;
-
-       (*device) = calloc(1, sizeof(**device));
-       if ((*device) != NULL) {
-               (*device)->driver=driver;
-               (*device)->baseDriverDeviceService=baseService;
-               (*device)->baseServiceReference=reference;
-               (*device)->deviceRegistration=NULL;
-               (*device)->listener=NULL;
-
-               service_listener_pt listener = calloc(1, sizeof(*listener));
-               listener->handle=(void *)(*device);
-               listener->serviceChanged=(celix_status_t (*)(void * listener, 
service_event_pt event))refiningDriver_serviceChanged;
-               bundleContext_addServiceListener(driver->context, listener, 
NULL);
-               (*device)->listener=listener;
-
-               arrayList_add(driver->devices, (*device));
-       } else {
-               status = CELIX_ENOMEM;
-       }
-
-       return status;
-}
-
-
-static celix_status_t refiningDriver_registerDevice(refining_driver_pt driver, 
refining_driver_device_pt device, char *serial) {
-       celix_status_t status = CELIX_SUCCESS;
-       refining_driver_device_service_pt service = NULL;
-       status = refiningDriverDevice_createService(device, &service);
-       properties_pt props = properties_create();
-
-       if (status == CELIX_SUCCESS) {
-               properties_set(props, OSGI_DEVICEACCESS_DEVICE_CATEGORY, 
REFINING_DRIVER_DEVICE_CATEGORY);
-               properties_set(props, OSGI_DEVICEACCESS_DEVICE_SERIAL, serial);
-               status = bundleContext_registerService(driver->context, 
OSGI_DEVICEACCESS_DEVICE_SERVICE_NAME, service, props, 
&device->deviceRegistration);
-       }
-
-       if (status == CELIX_SUCCESS) {
-               printf("REFINING_DRIVER: registered refining device with serial 
%s\n", serial);
-       }
-       else{
-               properties_destroy(props);
-               refiningDriverDevice_destroyService(service);
-       }
-       return status;
-}
-
-celix_status_t refiningDriver_attach(void * driverHandler, 
service_reference_pt reference, char **result) {
-       printf("REFINING_DRIVER: attached called\n");
-       celix_status_t status = CELIX_SUCCESS;
-       refining_driver_pt driver = driverHandler;
-       (*result) = NULL;
-       base_driver_device_service_pt device_service = NULL;
-       status = bundleContext_getService(driver->context, reference, (void 
**)&device_service);
-       if (status == CELIX_SUCCESS) {
-               refining_driver_device_pt refiningDevice = NULL;
-               status = refiningDriver_createDevice(driver, reference, 
device_service, &refiningDevice);
-               if (status == CELIX_SUCCESS) {
-                       driver->deviceCount+=1;
-                       char serial[5];
-                       sprintf(serial, "%4i", driver->deviceCount);
-                       status = refiningDriver_registerDevice(driver, 
refiningDevice, serial);
-               }
-       }
-       return status;
-}
-
-celix_status_t refiningDriver_match(void *driverHandler, service_reference_pt 
reference, int *value) {
-       printf("REFINING_DRIVER: match called\n");
-       int match = 0;
-       celix_status_t status = CELIX_SUCCESS;
-
-    const char* category = NULL;
-    status = serviceReference_getProperty(reference, 
OSGI_DEVICEACCESS_DEVICE_CATEGORY, &category);
-    if (status == CELIX_SUCCESS) {
-        if (strcmp(category, BASE_DRIVER_DEVICE_CATEGORY) == 0) {
-            match = 10;
-        }
-    }
-
-       (*value) = match;
-       return status;
-}
-
-celix_status_t refiningDriverDevice_createService(refining_driver_device_pt 
device, refining_driver_device_service_pt *service) {
-       celix_status_t status = CELIX_SUCCESS;
-       (*service) = calloc(1, sizeof(**service));
-       if ((*service) != NULL) {
-               (*service)->deviceService.device=calloc(1, 
sizeof(*(*service)->deviceService.device));
-               if ((*service)->deviceService.device != NULL) {
-                       
(*service)->deviceService.noDriverFound=refiningDriverDevice_noDriverFound;
-                       (*service)->refiningDriverDevice=device;
-                       
(*service)->getNextWord=refiningDriverDevice_getNextWord;
-               } else {
-                       status = CELIX_ENOMEM;
-               }
-       } else {
-               status = CELIX_ENOMEM;
-       }
-       return status;
-}
-
-celix_status_t 
refiningDriverDevice_destroyService(refining_driver_device_service_pt service){
-       if(service != NULL){
-               if(service->deviceService.device != NULL){
-                       free(service->deviceService.device);
-               }
-               free(service);
-       }
-       return CELIX_SUCCESS;
-}
-
-celix_status_t refiningDriverDevice_getNextWord(refining_driver_device_pt 
refiningDriverDevice, char **word) {
-       celix_status_t status = CELIX_SUCCESS;
-       base_driver_device_pt baseDevice = 
refiningDriverDevice->baseDriverDeviceService->baseDriverDevice;
-       char buff[MAX_BUFF_SIZE];
-       int i=0;
-       status = 
refiningDriverDevice->baseDriverDeviceService->getNextChar(baseDevice, 
&buff[i]);
-       while (buff[i] != ' ' && i < (MAX_BUFF_SIZE-1) && status == 
CELIX_SUCCESS) {
-               i+=1;
-               status = 
refiningDriverDevice->baseDriverDeviceService->getNextChar(baseDevice, 
&buff[i]);
-       }
-       if (status == CELIX_SUCCESS) {
-               buff[i] = '\0';
-               char *copy = calloc(1, (i+1));
-               if (copy != NULL) {
-                       strcpy(copy, buff);
-                       (*word)=copy;
-               } else {
-                       status = CELIX_ENOMEM;
-               }
-       }
-
-       return status;
-}
-
-celix_status_t refiningDriverDevice_noDriverFound(device_pt device) {
-       printf("REFINING_DRIVER: no driver found");
-       return CELIX_SUCCESS;
-}
-

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/refining_driver/public/include/refining_driver_device.h
----------------------------------------------------------------------
diff --git 
a/device_access/example/refining_driver/public/include/refining_driver_device.h 
b/device_access/example/refining_driver/public/include/refining_driver_device.h
deleted file mode 100644
index 728725e..0000000
--- 
a/device_access/example/refining_driver/public/include/refining_driver_device.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/**
- *Licensed to the Apache Software Foundation (ASF) under one
- *or more contributor license agreements.  See the NOTICE file
- *distributed with this work for additional information
- *regarding copyright ownership.  The ASF licenses this file
- *to you under the Apache License, Version 2.0 (the
- *"License"); you may not use this file except in compliance
- *with the License.  You may obtain a copy of the License at
- *
- *  http://www.apache.org/licenses/LICENSE-2.0
- *
- *Unless required by applicable law or agreed to in writing,
- *software distributed under the License is distributed on an
- *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- *specific language governing permissions and limitations
- *under the License.
- */
-/*
- * refining_driver_device.h
- *
- *  \date       Jun 20, 2011
- *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
- *  \copyright Apache License, Version 2.0
- */
-#ifndef REFINING_DRIVER_DEVICE_H_
-#define REFINING_DRIVER_DEVICE_H_
-
-#include "device.h"
-
-#define REFINING_DRIVER_SERVICE_NAME "refining_driver_device_service"
-#define REFINING_DRIVER_DEVICE_CATEGORY "word"
-#define REFINING_DRIVER_DEVICE_SERVIC_NAME "refining_driver_device"
-
-typedef struct refining_driver_device *refining_driver_device_pt;
-
-struct refining_driver_device_service {
-       struct device_service deviceService; /*NOTE: base_driver_device_service 
is a device_service.*/
-       refining_driver_device_pt refiningDriverDevice;
-       celix_status_t (*getNextWord)(refining_driver_device_pt 
refiningDriverDevice, char **c);
-};
-
-typedef struct refining_driver_device_service * 
refining_driver_device_service_pt;
-
-#endif /* REFINING_DRIVER_DEVICE_H_ */

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/refining_driver/src/activator.c
----------------------------------------------------------------------
diff --git a/device_access/example/refining_driver/src/activator.c 
b/device_access/example/refining_driver/src/activator.c
new file mode 100644
index 0000000..233b150
--- /dev/null
+++ b/device_access/example/refining_driver/src/activator.c
@@ -0,0 +1,104 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * activator.c
+ *
+ *  \date       Jun 20, 2011
+ *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
+ *  \copyright Apache License, Version 2.0
+ */
+#include <stdlib.h>
+
+#include <celix_errno.h>
+#include <bundle_activator.h>
+#include <bundle_context.h>
+#include <celixbool.h>
+#include <device.h>
+
+#include "refining_driver_private.h"
+
+struct refining_driver_bundle_instance {
+       bundle_context_pt context;
+       service_registration_pt registration;
+};
+
+typedef struct refining_driver_bundle_instance 
*refining_driver_bundle_instance_pt;
+
+celix_status_t bundleActivator_create(bundle_context_pt context, void 
**userData) {
+       printf("REFINING_DRIVER: creating bundle\n");
+       celix_status_t status = CELIX_SUCCESS;
+       refining_driver_bundle_instance_pt instance = calloc(1, 
sizeof(*instance));
+       if (instance != NULL) {
+               instance->context = context;
+               instance->registration = NULL;
+               (*userData) = instance;
+       } else {
+               status = CELIX_ENOMEM;
+       }
+       return status;
+}
+
+celix_status_t bundleActivator_start(void * userData, bundle_context_pt 
context) {
+       printf("REFINING_DRIVER: starting bundle\n");
+       celix_status_t status = CELIX_SUCCESS;
+       refining_driver_bundle_instance_pt bi = userData;
+
+       refining_driver_pt driver = NULL;
+       status = refiningDriver_create(context, &driver);
+       if (status == CELIX_SUCCESS) {
+               driver_service_pt service = NULL;
+               status = refiningDriver_createService(driver, &service);
+               if (status == CELIX_SUCCESS) {
+                       properties_pt props = properties_create();
+                       properties_set(props, "DRIVER_ID", REFINING_DRIVER_ID);
+                       status = bundleContext_registerService(context, 
OSGI_DEVICEACCESS_DRIVER_SERVICE_NAME, service, props, &bi->registration);
+               }
+       }
+
+       if (status == CELIX_SUCCESS) {
+               printf("REFINING_DRIVER: registered driver service.\n");
+       } else {
+               char error[256];
+               printf("REFINING_DRIVER: Could not register driver service. Get 
error %s\n", celix_strerror(status, error, 256));
+       }
+
+       return status;
+}
+
+celix_status_t bundleActivator_stop(void * userData, bundle_context_pt 
context) {
+       printf("REFINING_DRIVER: stopping bundle\n");
+       celix_status_t status = CELIX_SUCCESS;
+       refining_driver_bundle_instance_pt bi = userData;
+
+       if (bi->registration != NULL) {
+               serviceRegistration_unregister(bi->registration);
+               printf("REFINING_DRIVER: unregistered driver service\n");
+       }
+
+       return status;
+}
+
+celix_status_t bundleActivator_destroy(void * userData, bundle_context_pt 
context) {
+       printf("REFINING_DRIVER: destroying bundle\n");
+       celix_status_t status = CELIX_SUCCESS;
+       return status;
+}
+
+
+

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/refining_driver/src/refining_driver.c
----------------------------------------------------------------------
diff --git a/device_access/example/refining_driver/src/refining_driver.c 
b/device_access/example/refining_driver/src/refining_driver.c
new file mode 100644
index 0000000..404bc42
--- /dev/null
+++ b/device_access/example/refining_driver/src/refining_driver.c
@@ -0,0 +1,281 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * refining_driver.c
+ *
+ *  \date       Jun 20, 2011
+ *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
+ *  \copyright Apache License, Version 2.0
+ */
+#include <stdlib.h>
+#include <string.h>
+
+#include <device.h>
+#include <bundle_context.h>
+#include <service_event.h>
+
+#include "refining_driver_private.h"
+#include "base_driver_device.h"
+
+static const int MAX_BUFF_SIZE = 1024;
+
+struct refining_driver {
+       device_pt device;
+       bundle_context_pt context;
+       int deviceCount;
+       array_list_pt devices;
+};
+
+struct device {
+       /*NOTE: for this example we use a empty device structure*/
+};
+
+struct refining_driver_device {
+       device_pt device;
+       base_driver_device_service_pt baseDriverDeviceService;
+       refining_driver_pt driver;
+       service_reference_pt baseServiceReference;
+       service_registration_pt deviceRegistration;
+       service_listener_pt listener;
+};
+
+celix_status_t refiningDriver_destroy(refining_driver_pt driver) {
+       if (driver != NULL) {
+               if (driver->devices != NULL) {
+                       arrayList_destroy(driver->devices);
+                       driver->devices=NULL;
+               }
+       }
+       return CELIX_SUCCESS;
+}
+
+celix_status_t refiningDriver_create(bundle_context_pt context, 
refining_driver_pt *driver) {
+       celix_status_t status = CELIX_SUCCESS;
+       (*driver) = calloc(1, sizeof(**driver));
+       if ((*driver) != NULL) {
+               (*driver)->context=context;
+               (*driver)->deviceCount=0;
+               (*driver)->device = calloc(1, sizeof(*(*driver)->device));
+               (*driver)->devices=NULL;
+               status = arrayList_create(&(*driver)->devices);
+       } else {
+               status = CELIX_ENOMEM;
+       }
+       return status;
+}
+
+celix_status_t refiningDriver_createService(refining_driver_pt driver, 
driver_service_pt *service) {
+       celix_status_t status = CELIX_SUCCESS;
+       (*service) = calloc(1, sizeof(**service));
+       if ((*service) != NULL) {
+               (*service)->driver = driver;
+               (*service)->attach = refiningDriver_attach;
+               (*service)->match = refiningDriver_match;
+       } else {
+               status = CELIX_ENOMEM;
+       }
+       return status;
+}
+
+static celix_status_t refiningDriver_stopDevice(refining_driver_device_pt 
device) {
+       printf("REFINING_DRIVER: stopping device, parent device is 
unregistered\n");
+       celix_status_t status =  CELIX_SUCCESS;
+
+       if (device->deviceRegistration != NULL) {
+               status = 
serviceRegistration_unregister(device->deviceRegistration);
+               if (status == CELIX_SUCCESS) {
+                       printf("unregistered refining device\n");
+               }
+       }
+
+       arrayList_removeElement(device->driver->devices, device);
+       return status;
+}
+
+
+static celix_status_t refiningDriver_serviceChanged(service_listener_pt 
listener, service_event_pt event) {
+       celix_status_t status =  CELIX_SUCCESS;
+       refining_driver_device_pt device = listener->handle;
+       if (event->type == OSGI_FRAMEWORK_SERVICE_EVENT_UNREGISTERING) {
+               bool equal = false;
+               status = serviceReference_equals(device->baseServiceReference, 
event->reference, &equal);
+               if (status == CELIX_SUCCESS && equal) {
+                       refiningDriver_stopDevice(device);
+               }
+       }
+       return status;
+}
+
+celix_status_t refiningDriver_destroyDevice(refining_driver_device_pt device) {
+       return CELIX_SUCCESS;
+}
+
+celix_status_t refining_driver_cleanup_device(refining_driver_device_pt 
handler) {
+       celix_status_t status = CELIX_SUCCESS;;
+       refining_driver_device_pt device = handler;
+       if (device != NULL) {
+               if (device->listener != NULL) {
+                       
bundleContext_removeServiceListener(device->driver->context, device->listener);
+               }
+       }
+       return status;
+}
+
+celix_status_t refiningDriver_createDevice(refining_driver_pt driver, 
service_reference_pt reference, base_driver_device_service_pt baseService, 
refining_driver_device_pt *device) {
+       celix_status_t status = CELIX_SUCCESS;
+
+       (*device) = calloc(1, sizeof(**device));
+       if ((*device) != NULL) {
+               (*device)->driver=driver;
+               (*device)->baseDriverDeviceService=baseService;
+               (*device)->baseServiceReference=reference;
+               (*device)->deviceRegistration=NULL;
+               (*device)->listener=NULL;
+
+               service_listener_pt listener = calloc(1, sizeof(*listener));
+               listener->handle=(void *)(*device);
+               listener->serviceChanged=(celix_status_t (*)(void * listener, 
service_event_pt event))refiningDriver_serviceChanged;
+               bundleContext_addServiceListener(driver->context, listener, 
NULL);
+               (*device)->listener=listener;
+
+               arrayList_add(driver->devices, (*device));
+       } else {
+               status = CELIX_ENOMEM;
+       }
+
+       return status;
+}
+
+
+static celix_status_t refiningDriver_registerDevice(refining_driver_pt driver, 
refining_driver_device_pt device, char *serial) {
+       celix_status_t status = CELIX_SUCCESS;
+       refining_driver_device_service_pt service = NULL;
+       status = refiningDriverDevice_createService(device, &service);
+       properties_pt props = properties_create();
+
+       if (status == CELIX_SUCCESS) {
+               properties_set(props, OSGI_DEVICEACCESS_DEVICE_CATEGORY, 
REFINING_DRIVER_DEVICE_CATEGORY);
+               properties_set(props, OSGI_DEVICEACCESS_DEVICE_SERIAL, serial);
+               status = bundleContext_registerService(driver->context, 
OSGI_DEVICEACCESS_DEVICE_SERVICE_NAME, service, props, 
&device->deviceRegistration);
+       }
+
+       if (status == CELIX_SUCCESS) {
+               printf("REFINING_DRIVER: registered refining device with serial 
%s\n", serial);
+       }
+       else{
+               properties_destroy(props);
+               refiningDriverDevice_destroyService(service);
+       }
+       return status;
+}
+
+celix_status_t refiningDriver_attach(void * driverHandler, 
service_reference_pt reference, char **result) {
+       printf("REFINING_DRIVER: attached called\n");
+       celix_status_t status = CELIX_SUCCESS;
+       refining_driver_pt driver = driverHandler;
+       (*result) = NULL;
+       base_driver_device_service_pt device_service = NULL;
+       status = bundleContext_getService(driver->context, reference, (void 
**)&device_service);
+       if (status == CELIX_SUCCESS) {
+               refining_driver_device_pt refiningDevice = NULL;
+               status = refiningDriver_createDevice(driver, reference, 
device_service, &refiningDevice);
+               if (status == CELIX_SUCCESS) {
+                       driver->deviceCount+=1;
+                       char serial[5];
+                       sprintf(serial, "%4i", driver->deviceCount);
+                       status = refiningDriver_registerDevice(driver, 
refiningDevice, serial);
+               }
+       }
+       return status;
+}
+
+celix_status_t refiningDriver_match(void *driverHandler, service_reference_pt 
reference, int *value) {
+       printf("REFINING_DRIVER: match called\n");
+       int match = 0;
+       celix_status_t status = CELIX_SUCCESS;
+
+    const char* category = NULL;
+    status = serviceReference_getProperty(reference, 
OSGI_DEVICEACCESS_DEVICE_CATEGORY, &category);
+    if (status == CELIX_SUCCESS) {
+        if (strcmp(category, BASE_DRIVER_DEVICE_CATEGORY) == 0) {
+            match = 10;
+        }
+    }
+
+       (*value) = match;
+       return status;
+}
+
+celix_status_t refiningDriverDevice_createService(refining_driver_device_pt 
device, refining_driver_device_service_pt *service) {
+       celix_status_t status = CELIX_SUCCESS;
+       (*service) = calloc(1, sizeof(**service));
+       if ((*service) != NULL) {
+               (*service)->deviceService.device=calloc(1, 
sizeof(*(*service)->deviceService.device));
+               if ((*service)->deviceService.device != NULL) {
+                       
(*service)->deviceService.noDriverFound=refiningDriverDevice_noDriverFound;
+                       (*service)->refiningDriverDevice=device;
+                       
(*service)->getNextWord=refiningDriverDevice_getNextWord;
+               } else {
+                       status = CELIX_ENOMEM;
+               }
+       } else {
+               status = CELIX_ENOMEM;
+       }
+       return status;
+}
+
+celix_status_t 
refiningDriverDevice_destroyService(refining_driver_device_service_pt service){
+       if(service != NULL){
+               if(service->deviceService.device != NULL){
+                       free(service->deviceService.device);
+               }
+               free(service);
+       }
+       return CELIX_SUCCESS;
+}
+
+celix_status_t refiningDriverDevice_getNextWord(refining_driver_device_pt 
refiningDriverDevice, char **word) {
+       celix_status_t status = CELIX_SUCCESS;
+       base_driver_device_pt baseDevice = 
refiningDriverDevice->baseDriverDeviceService->baseDriverDevice;
+       char buff[MAX_BUFF_SIZE];
+       int i=0;
+       status = 
refiningDriverDevice->baseDriverDeviceService->getNextChar(baseDevice, 
&buff[i]);
+       while (buff[i] != ' ' && i < (MAX_BUFF_SIZE-1) && status == 
CELIX_SUCCESS) {
+               i+=1;
+               status = 
refiningDriverDevice->baseDriverDeviceService->getNextChar(baseDevice, 
&buff[i]);
+       }
+       if (status == CELIX_SUCCESS) {
+               buff[i] = '\0';
+               char *copy = calloc(1, (i+1));
+               if (copy != NULL) {
+                       strcpy(copy, buff);
+                       (*word)=copy;
+               } else {
+                       status = CELIX_ENOMEM;
+               }
+       }
+
+       return status;
+}
+
+celix_status_t refiningDriverDevice_noDriverFound(device_pt device) {
+       printf("REFINING_DRIVER: no driver found");
+       return CELIX_SUCCESS;
+}
+

http://git-wip-us.apache.org/repos/asf/celix/blob/a1c30887/device_access/example/refining_driver/src/refining_driver_private.h
----------------------------------------------------------------------
diff --git 
a/device_access/example/refining_driver/src/refining_driver_private.h 
b/device_access/example/refining_driver/src/refining_driver_private.h
new file mode 100644
index 0000000..37f15a5
--- /dev/null
+++ b/device_access/example/refining_driver/src/refining_driver_private.h
@@ -0,0 +1,58 @@
+/**
+ *Licensed to the Apache Software Foundation (ASF) under one
+ *or more contributor license agreements.  See the NOTICE file
+ *distributed with this work for additional information
+ *regarding copyright ownership.  The ASF licenses this file
+ *to you under the Apache License, Version 2.0 (the
+ *"License"); you may not use this file except in compliance
+ *with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *Unless required by applicable law or agreed to in writing,
+ *software distributed under the License is distributed on an
+ *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ *specific language governing permissions and limitations
+ *under the License.
+ */
+/*
+ * refining_driver_private.h
+ *
+ *  \date       Jun 20, 2011
+ *  \author            <a href="mailto:[email protected]";>Apache Celix 
Project Team</a>
+ *  \copyright Apache License, Version 2.0
+ */
+#ifndef REFINING_DRIVER_PRIVATE_H_
+#define REFINING_DRIVER_PRIVATE_H_
+
+#include <celix_errno.h>
+#include <service_reference.h>
+#include <driver.h>
+
+#include "refining_driver_device.h"
+#include "base_driver_device.h"
+
+#define REFINING_DRIVER_ID "REFINING_DRIVER"
+
+typedef struct refining_driver *refining_driver_pt;
+
+celix_status_t refiningDriver_create(bundle_context_pt context, 
refining_driver_pt *driver);
+celix_status_t refiningDriver_destroy(refining_driver_pt driver);
+
+celix_status_t refiningDriver_createService(refining_driver_pt driver, 
driver_service_pt *service);
+
+celix_status_t refiningDriver_createDevice(refining_driver_pt driver, 
service_reference_pt reference, base_driver_device_service_pt baseDevice, 
refining_driver_device_pt *device);
+celix_status_t refiningDriver_destroyDevice(refining_driver_device_pt device);
+
+
+celix_status_t refiningDriver_attach(void *driver, service_reference_pt 
reference, char **result);
+celix_status_t refiningDriver_match(void *driver, service_reference_pt 
reference, int *value);
+
+
+celix_status_t refiningDriverDevice_noDriverFound(device_pt device);
+celix_status_t refiningDriverDevice_createService(refining_driver_device_pt, 
refining_driver_device_service_pt *service);
+celix_status_t 
refiningDriverDevice_destroyService(refining_driver_device_service_pt service);
+celix_status_t refiningDriverDevice_getNextWord(refining_driver_device_pt 
refiningDriverDevice, char **word);
+
+#endif /* REFINING_DRIVER_PRIVATE_H_ */

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