Author: fmoga
Date: Wed May 25 23:27:46 2011
New Revision: 1127725

URL: http://svn.apache.org/viewvc?rev=1127725&view=rev
Log:
Add pub/sub sample for binding.comet

Added:
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/pom.xml
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorConsumerService.java
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorProducerService.java
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/lib/
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.xml
    
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html

Added: 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/pom.xml
URL: 
http://svn.apache.org/viewvc/tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/pom.xml?rev=1127725&view=auto
==============================================================================
--- 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/pom.xml
 (added)
+++ 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/pom.xml
 Wed May 25 23:27:46 2011
@@ -0,0 +1,64 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0"; 
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/maven-v4_0_0.xsd";>
+       <modelVersion>4.0.0</modelVersion>
+       <parent>
+               <groupId>org.apache.tuscany.sca</groupId>
+               <artifactId>tuscany-samples</artifactId>
+               <version>2.0-SNAPSHOT</version>
+               <relativePath>../../../pom.xml</relativePath>
+       </parent>
+
+       <groupId>org.apache.tuscany.sca</groupId>
+       <artifactId>sample-binding-comet-pubsub-webapp</artifactId>
+       <packaging>war</packaging>
+       <version>1.0</version>
+       <name>Apache Tuscany SCA Sample binding.comet PubSub Webapp</name>
+
+       <dependencies>
+               <dependency>
+                       <groupId>org.apache.tuscany.sca</groupId>
+                       <artifactId>tuscany-binding-comet-runtime</artifactId>
+                       <version>2.0-SNAPSHOT</version>
+               </dependency>
+               <dependency>
+                       <groupId>javax</groupId>
+                       <artifactId>javaee-web-api</artifactId>
+                       <version>6.0</version>
+                       <scope>provided</scope>
+               </dependency>
+               <dependency>
+                       <groupId>org.apache.tuscany.sca</groupId>
+                       <artifactId>tuscany-base-runtime-pom</artifactId>
+                       <version>2.0-SNAPSHOT</version>
+                       <type>pom</type>
+                       <scope>compile</scope>
+               </dependency>
+               <dependency>
+                       <groupId>com.google.guava</groupId>
+                       <artifactId>guava</artifactId>
+                       <version>r09</version>
+                       <type>jar</type>
+                       <scope>compile</scope>
+               </dependency>
+       </dependencies>
+       
+</project>
+

Added: 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java
URL: 
http://svn.apache.org/viewvc/tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java?rev=1127725&view=auto
==============================================================================
--- 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java
 (added)
+++ 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Event.java
 Wed May 25 23:27:46 2011
@@ -0,0 +1,33 @@
+package org.apache.tuscany.sca.sample.comet;
+
+public class Event {
+
+       private String id;
+       private String name;
+       private String data;
+
+       public String getId() {
+               return id;
+       }
+
+       public void setId(String id) {
+               this.id = id;
+       }
+
+       public String getName() {
+               return name;
+       }
+
+       public void setName(String name) {
+               this.name = name;
+       }
+
+       public String getData() {
+               return data;
+       }
+
+       public void setData(String data) {
+               this.data = data;
+       }
+
+}

Added: 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java
URL: 
http://svn.apache.org/viewvc/tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java?rev=1127725&view=auto
==============================================================================
--- 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java
 (added)
+++ 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessor.java
 Wed May 25 23:27:46 2011
@@ -0,0 +1,107 @@
+/*
+ * 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.    
+ */
+
+package org.apache.tuscany.sca.sample.comet;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback;
+import org.apache.tuscany.sca.binding.comet.runtime.callback.Status;
+import org.oasisopen.sca.ComponentContext;
+import org.oasisopen.sca.annotation.Context;
+import org.oasisopen.sca.annotation.Destroy;
+import org.oasisopen.sca.annotation.Scope;
+import org.oasisopen.sca.annotation.Service;
+
+import com.google.common.collect.HashMultimap;
+import com.google.common.collect.Multimap;
+import com.google.common.collect.Multimaps;
+
+@Service({ EventProcessorConsumerService.class, 
EventProcessorProducerService.class })
+@Scope("COMPOSITE")
+public class EventProcessor implements EventProcessorConsumerService, 
EventProcessorProducerService {
+
+       @Context
+       protected ComponentContext componentContext;
+
+       private Map<String, CometCallback> clients = new 
ConcurrentHashMap<String, CometCallback>();
+       private Multimap<String, String> eventListeners = 
Multimaps.synchronizedMultimap(HashMultimap
+                       .<String, String> create());
+
+       @Override
+       public void onEvent(String eventName, String eventData) {
+               // System.out.println("EventProcessor: Received event " + 
eventName +
+               // "...");
+               List<String> destinations = new ArrayList<String>();
+               synchronized (eventListeners) {
+                       destinations.addAll(eventListeners.get(eventName));
+               }
+               Event event = new Event();
+               event.setName(eventName);
+               event.setData(eventData);
+               for (String registrationId : destinations) {
+                       CometCallback client = clients.get(registrationId);
+                       if (client == null) {
+                               // client has unregistered from this event
+                               synchronized (eventListeners) {
+                                       eventListeners.remove(eventName, 
registrationId);
+                               }
+                       } else {
+                               Status status = client.sendMessage(event);
+                               if (status == Status.CLIENT_DISCONNECTED) {
+                                       unregister(registrationId);
+                               }
+                       }
+               }
+       }
+
+       @Override
+       public void register(String eventName) {
+               String registrationId = UUID.randomUUID().toString();
+               CometCallback callback = 
componentContext.getRequestContext().getCallback();
+               clients.put(registrationId, callback);
+               synchronized (eventListeners) {
+                       eventListeners.put(eventName, registrationId);
+               }
+               Event event = new Event();
+               event.setId(registrationId);
+               event.setName(eventName);
+               event.setData(new Date().toString());
+               callback.sendMessage(event);
+       }
+
+       @Override
+       public void unregister(String registrationId) {
+               clients.remove(registrationId);
+               // unregistration from eventListeners done during onEvent
+       }
+
+       @Destroy
+       public void shutdown() {
+               clients.clear();
+               eventListeners.clear();
+               clients = null;
+               eventListeners = null;
+       }
+}

Added: 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorConsumerService.java
URL: 
http://svn.apache.org/viewvc/tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorConsumerService.java?rev=1127725&view=auto
==============================================================================
--- 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorConsumerService.java
 (added)
+++ 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorConsumerService.java
 Wed May 25 23:27:46 2011
@@ -0,0 +1,37 @@
+/*
+ * 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.    
+ */
+
+package org.apache.tuscany.sca.sample.comet;
+
+import org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback;
+import org.oasisopen.sca.annotation.Callback;
+import org.oasisopen.sca.annotation.OneWay;
+import org.oasisopen.sca.annotation.Remotable;
+
+@Callback(CometCallback.class)
+@Remotable
+public interface EventProcessorConsumerService {
+
+       @OneWay
+       void register(String eventName);
+
+       @OneWay
+       void unregister(String registrationId);
+
+}

Added: 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorProducerService.java
URL: 
http://svn.apache.org/viewvc/tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorProducerService.java?rev=1127725&view=auto
==============================================================================
--- 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorProducerService.java
 (added)
+++ 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/EventProcessorProducerService.java
 Wed May 25 23:27:46 2011
@@ -0,0 +1,28 @@
+/*
+ * 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.    
+ */
+package org.apache.tuscany.sca.sample.comet;
+
+import org.oasisopen.sca.annotation.Remotable;
+
+@Remotable
+public interface EventProcessorProducerService {
+
+       void onEvent(String eventName, String eventData);
+
+}

Added: 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java
URL: 
http://svn.apache.org/viewvc/tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java?rev=1127725&view=auto
==============================================================================
--- 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java
 (added)
+++ 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/java/org/apache/tuscany/sca/sample/comet/Producer.java
 Wed May 25 23:27:46 2011
@@ -0,0 +1,76 @@
+/*
+ * 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.    
+ */
+package org.apache.tuscany.sca.sample.comet;
+
+import java.util.Date;
+import java.util.Timer;
+import java.util.TimerTask;
+
+import org.oasisopen.sca.annotation.Constructor;
+import org.oasisopen.sca.annotation.Destroy;
+import org.oasisopen.sca.annotation.EagerInit;
+import org.oasisopen.sca.annotation.Init;
+import org.oasisopen.sca.annotation.Property;
+import org.oasisopen.sca.annotation.Reference;
+import org.oasisopen.sca.annotation.Scope;
+
+@EagerInit
+@Scope("COMPOSITE")
+public class Producer {
+
+       @Reference
+       protected EventProcessorProducerService eventProcessor;
+
+       private String eventName;
+       private long frequency;
+
+       private Timer timer = new Timer();
+       private Object lock = new Object();
+
+       @Constructor
+       public Producer(@Property(name = "eventName") String eventName, 
@Property(name = "frequency") long frequency) {
+               System.out.println("Producer: In Constructor with eventName=" + 
eventName + " and frequency=" + frequency);
+               this.eventName = eventName;
+               this.frequency = frequency;
+       }
+
+       @Init
+       public void start() {
+               System.out.println("Producer: In Init...");
+               timer.schedule(new TimerTask() {
+
+                       @Override
+                       public void run() {
+//                             System.out.println("Producer: Producing " + 
eventName + " event...");
+                               synchronized (lock) {
+                                       
eventProcessor.onEvent(Producer.this.eventName, "Event @ " + new Date());
+                               }
+                       }
+               }, 0L, this.frequency);
+       }
+
+       @Destroy
+       public void stop() {
+               synchronized (lock) {
+                       timer.cancel();
+               }
+               timer = null;
+       }
+
+}

Added: 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF
URL: 
http://svn.apache.org/viewvc/tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF?rev=1127725&view=auto
==============================================================================
--- 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF
 (added)
+++ 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/META-INF/MANIFEST.MF
 Wed May 25 23:27:46 2011
@@ -0,0 +1,2 @@
+Manifest-Version: 1.0
+

Added: 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite
URL: 
http://svn.apache.org/viewvc/tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite?rev=1127725&view=auto
==============================================================================
--- 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite
 (added)
+++ 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.composite
 Wed May 25 23:27:46 2011
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!-- * 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. -->
+<composite xmlns="http://docs.oasis-open.org/ns/opencsa/sca/200912";
+       xmlns:tuscany="http://tuscany.apache.org/xmlns/sca/1.1";
+       targetNamespace="http://samples"; name="Event">
+
+       <component name="EventProcessorComponent">
+               <implementation.java
+                       
class="org.apache.tuscany.sca.sample.comet.EventProcessor" />
+               <service name="EventProcessorConsumerService">
+                       <interface.java
+                               
interface="org.apache.tuscany.sca.sample.comet.EventProcessorConsumerService"
+                               
callbackInterface="org.apache.tuscany.sca.binding.comet.runtime.callback.CometCallback"
 />
+                       <tuscany:binding.comet />
+                       <callback>
+                               <tuscany:binding.comet />
+                       </callback>
+               </service>
+               <service name="EventProcessorProducerService">
+                       <interface.java
+                               
interface="org.apache.tuscany.sca.sample.comet.EventProcessorProducerService" />
+               </service>
+       </component>
+
+       <component name="SLOWProducerComponent">
+               <implementation.java 
class="org.apache.tuscany.sca.sample.comet.Producer" />
+               <reference name="eventProcessor" 
target="EventProcessorComponent" />
+               <property name="eventName">SLOW</property>
+               <property name="frequency">6000</property>
+       </component>
+       
+       <component name="MODERATEProducerComponent">
+               <implementation.java 
class="org.apache.tuscany.sca.sample.comet.Producer" />
+               <reference name="eventProcessor" 
target="EventProcessorComponent" />
+               <property name="eventName">MODERATE</property>
+               <property name="frequency">3000</property>
+       </component>
+
+       <component name="FASTProducerComponent">
+               <implementation.java 
class="org.apache.tuscany.sca.sample.comet.Producer" />
+               <reference name="eventProcessor" 
target="EventProcessorComponent" />
+               <property name="eventName">FAST</property>
+               <property name="frequency">1000</property>
+       </component>
+
+</composite>
\ No newline at end of file

Added: 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.xml
URL: 
http://svn.apache.org/viewvc/tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.xml?rev=1127725&view=auto
==============================================================================
--- 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.xml
 (added)
+++ 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/WEB-INF/web.xml
 Wed May 25 23:27:46 2011
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ * 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.
+-->
+<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
xmlns="http://java.sun.com/xml/ns/javaee"; 
xmlns:j2ee="http://java.sun.com/xml/ns/javaee"; 
xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"; 
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee 
http://java.sun.com/xml/ns/j2ee/web-app_3.0.xsd"; version="3.0">
+  <display-name>Apache Tuscany Stock Comet Sample</display-name>
+  <filter>
+    <filter-name>tuscany</filter-name>
+    
<filter-class>org.apache.tuscany.sca.host.webapp.TuscanyServletFilter</filter-class>
+    <async-supported>true</async-supported>
+  </filter>
+  <filter-mapping>
+    <filter-name>tuscany</filter-name>
+    <url-pattern>/*</url-pattern>
+  </filter-mapping>
+  <welcome-file-list>
+    <welcome-file>index.html</welcome-file>
+  </welcome-file-list>
+</web-app>
\ No newline at end of file

Added: 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html
URL: 
http://svn.apache.org/viewvc/tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html?rev=1127725&view=auto
==============================================================================
--- 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html
 (added)
+++ 
tuscany/sca-java-2.x/contrib/samples/learning-more/binding-comet/pubsub-webapp/src/main/webapp/index.html
 Wed May 25 23:27:46 2011
@@ -0,0 +1,114 @@
+<!--
+ * 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.
+-->
+<html>
+<head>
+<title>Apache Tuscany Comet Sample</title>
+<!-- Tuscany Comet Javascript Toolkit is dependent on jQuery -->
+<script type="text/javascript"
+       
src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js";></script>
+<script type="text/javascript"
+       
src="tuscany-comet-js/org.apache.tuscany.sca.CometComponentContext.js"></script>
+<script type="text/javascript">
+               $(document).ready(function()
+               {
+                       document.getElementById('registerEventButton').onclick 
= function(event) {
+                               
document.getElementById('registerEventName').value;
+                       }
+
+                       // Tuscany Comet specific API
+                       document.getElementById('connect').onclick = 
function(event) {
+                /* transport can be : long-polling or streaming */
+                               
SCA.TuscanyComet.connect(document.getElementById('transport').value);
+                document.getElementById('connect').disabled = true;
+                document.getElementById('transport').disabled = true;
+                       }
+                       
+
+                       document.getElementById('registerEventButton').onclick 
= function(event) {
+                               var eventName = 
document.getElementById('registerEventName').value;
+                               if (registrationIds[eventName] != null) {
+                                       alert("Already registered for " + 
eventName + " events");
+                               } else {
+                                       
SCA.CometComponentContext.EventProcessorConsumerService.register(eventName, 
responseReceived);
+                               }
+                       }
+
+                       
document.getElementById('unregisterEventButton').onclick = function(event) {
+                               var eventName = 
document.getElementById('unregisterEventName').value;
+                               if (registrationIds[eventName] != null) {
+                                       
SCA.CometComponentContext.EventProcessorConsumerService.unregister(registrationIds[eventName],
 responseReceived);
+                                       registrationIds[eventName] = null;
+                               } else {
+                                       alert("Not registered for " + eventName 
+ " events");
+                               }
+                       }
+
+               });
+               
+               var registrationIds = {};
+               
+               function responseReceived(event) {
+                       var text = '';
+                       if (event.id != null) {
+                               // registration notification
+                               registrationIds[event.name] = event.id;
+                               text = "Registered to " + event.name + " with 
id " + event.id + " at " + event.data;
+                       } else {
+                               // event notification
+                               text = event.name + ": " + event.data;
+                       }
+                       var textarea = document.getElementById('textarea'); 
+                       textarea.value += text + "\n";
+                       textarea.scrollTop = textarea.scrollHeight; 
+               }
+
+               </script>
+</head>
+<body>
+       <div id='sidebar'>
+               <h2>Apache Tuscany Comet Sample</h2>
+               <label>Select transport</label> <select id="transport">
+                       <option id="streaming" value="streaming">http 
streaming</option>
+                       <option id="long-polling" 
value="long-polling">long-polling</option>
+               </select> <input id='connect' type='submit' value='Connect' />
+               <h3>PubSub for FAST, MODERATE and SLOW events</h3>
+               <p />
+               <table>
+                       <tr>
+                               <td>Event name</td>
+                               <td><input type="text" id='registerEventName' 
value='FAST' />
+                               </td>
+                               <td><input type="button" 
id='registerEventButton'
+                                       value='Register' />
+                               </td>
+                       </tr>
+                       <tr>
+                               <td>Event name</td>
+                               <td><input type="text" id='unregisterEventName' 
value='FAST' />
+                               </td>
+                               <td><input type="button" 
id='unregisterEventButton'
+                                       value='Unregister' />
+                               </td>
+                       </tr>
+               </table>
+               <h3>Server notifications</h3>
+               <textarea id="textarea" rows="15" cols="80" readonly></textarea>
+       </div>
+</body>
+</html>


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