cvs commit: jakarta-turbine-jcs/sandbox/yajcache/src/org/apache/jcs/yajcache/core CacheChangeListener.java CacheChangeSupport.java

[hc...@apache.org]

hchar       2005/01/24 02:28:55

  Added:       sandbox/yajcache/src/org/apache/jcs/yajcache/core
                        CacheChangeListener.java CacheChangeSupport.java
  Log:
  cache change event model
  
  Revision  Changes    Path
  1.1                  jakarta-turbine-jcs/sandbox/yajcache/src/org/apache/jcs/yajcache/core/CacheChangeListener.java
  
  Index: CacheChangeListener.java
  ===================================================================
  /*
   * Copyright 2001-2004 The Apache Software Foundation.
   *
   * Licensed 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.jcs.yajcache.core;
  
  import org.apache.jcs.yajcache.event.CacheChangeEvent;
  import org.apache.jcs.yajcache.annotate.*;
  
  /**
   *
   * @author Hanson CHar
   */
  @CopyRightApache
  public interface CacheChangeListener<V> extends java.util.EventListener {
      public void cacheChange(@NonNullable CacheChangeEvent<V> evt);
  }
  
  
  
  1.1                  jakarta-turbine-jcs/sandbox/yajcache/src/org/apache/jcs/yajcache/core/CacheChangeSupport.java
  
  Index: CacheChangeSupport.java
  ===================================================================
  /*
   * Copyright 2001-2004 The Apache Software Foundation.
   *
   * Licensed 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.jcs.yajcache.core;
  
  import java.util.List;
  import java.util.concurrent.CopyOnWriteArrayList;
  
  import org.apache.jcs.yajcache.annotate.*;
  import org.apache.jcs.yajcache.event.CacheChangeEvent;
  
  /**
   *
   * @author Hanson Char
   */
  @CopyRightApache
  public class CacheChangeSupport<V> {
      private final @NonNullable List<CacheChangeListener<V>> listeners 
              = new CopyOnWriteArrayList<CacheChangeListener<V>>();
      
      private ICache<V> cache;
      
      public CacheChangeSupport(@NonNullable ICache<V> cache) {
          this.cache = cache;
      }
      public void addCacheChangeListener(@NonNullable CacheChangeListener<V> listener)
      {
          listeners.add(listener);
      }
      public void removeCacheChangeListener(@NonNullable CacheChangeListener<V> listener) 
      {
          listeners.remove(listener);
      }
      public @NonNullable Iterable<CacheChangeListener<V>> getCacheChangeListeners() 
      {
          return listeners;
      }
      public void fireCacheChange(@NonNullable CacheChangeEvent<V> evt) 
      {
          for (CacheChangeListener<V> listener : this.listeners) {
              listener.cacheChange(evt);
          }
      }
  }
  
  
  

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