EvictionListener.java

  1. /*
  2.  * Licensed to the Apache Software Foundation (ASF) under one
  3.  * or more contributor license agreements.  See the NOTICE file
  4.  * distributed with this work for additional information
  5.  * regarding copyright ownership.  The ASF licenses this file
  6.  * to you under the Apache License, Version 2.0 (the
  7.  * "License"); you may not use this file except in compliance
  8.  * with the License.  You may obtain a copy of the License at
  9.  *
  10.  *   http://www.apache.org/licenses/LICENSE-2.0
  11.  *
  12.  * Unless required by applicable law or agreed to in writing,
  13.  * software distributed under the License is distributed on an
  14.  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  15.  * KIND, either express or implied.  See the License for the
  16.  * specific language governing permissions and limitations
  17.  * under the License.
  18.  */
  19. package org.apache.commons.jcs3.jcache;

  20. import org.apache.commons.jcs3.engine.control.event.behavior.IElementEvent;
  21. import org.apache.commons.jcs3.engine.control.event.behavior.IElementEventHandler;

  22. public class EvictionListener implements IElementEventHandler
  23. {
  24.     private final Statistics stats;

  25.     public EvictionListener(final Statistics statistics)
  26.     {
  27.         this.stats = statistics;
  28.     }

  29.     @Override
  30.     public <T> void handleElementEvent(final IElementEvent<T> event)
  31.     {
  32.         switch (event.getElementEvent())
  33.         {
  34.             case EXCEEDED_MAXLIFE_BACKGROUND:
  35.             case EXCEEDED_MAXLIFE_ONREQUEST:
  36.             case EXCEEDED_IDLETIME_ONREQUEST:
  37.             case EXCEEDED_IDLETIME_BACKGROUND:
  38.                 stats.increaseEvictions(1);
  39.                 break;
  40.             default:
  41.                 break;
  42.         }
  43.     }
  44. }