Author: gerdogdu
Date: Thu Aug 5 12:37:21 2010
New Revision: 982579
URL: http://svn.apache.org/viewvc?rev=982579&view=rev
Log:
[OWB-432] Create Singleton Service SPI
Added:
openwebbeans/trunk/webbeans-spi/src/main/java/org/apache/webbeans/spi/SingletonService.java
(with props)
Added:
openwebbeans/trunk/webbeans-spi/src/main/java/org/apache/webbeans/spi/SingletonService.java
URL:
http://svn.apache.org/viewvc/openwebbeans/trunk/webbeans-spi/src/main/java/org/apache/webbeans/spi/SingletonService.java?rev=982579&view=auto
==============================================================================
---
openwebbeans/trunk/webbeans-spi/src/main/java/org/apache/webbeans/spi/SingletonService.java
(added)
+++
openwebbeans/trunk/webbeans-spi/src/main/java/org/apache/webbeans/spi/SingletonService.java
Thu Aug 5 12:37:21 2010
@@ -0,0 +1,69 @@
+/*
+ * 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.webbeans.spi;
+
+/**
+ *
+ * Responsible for providing singleton instances
+ * for OWB runtime. Provider can implement
+ * their own logic to provide singleton instances.
+ *
+ * @version $Rev$ $Date$
+ */
+public interface SingletonService
+{
+ /**
+ * Get instance for given key and class name.
+ * @param key instance key
+ * @param singletonClassName instance class name
+ * @return instance
+ */
+ public Object get(Object key, String singletonClassName);
+
+ /**
+ * Any clean activity.
+ * @param key instance key
+ */
+ public void clear(Object key);
+
+ /**
+ * Returns true if singleton exist,
+ * false otherwise.
+ * @param key instance key
+ * @param singletonClassName class name
+ * @return true if singleton exist
+ */
+ public boolean isExist(Object key, String singletonClassName);
+
+ /**
+ * Returns exist instance or null.
+ * @param key instance key
+ * @param singletonClassName class name
+ * @return exist instance
+ */
+ public Object getExist(Object key, String singletonClassName);
+
+ /**
+ * Returns key for the given singleton
+ * instance.
+ * @param singleton instance
+ * @return key for given instance
+ */
+ public Object getKey(Object singleton);
+}
Propchange:
openwebbeans/trunk/webbeans-spi/src/main/java/org/apache/webbeans/spi/SingletonService.java
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