001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *   http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing,
013 * software distributed under the License is distributed on an
014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 * KIND, either express or implied.  See the License for the
016 * specific language governing permissions and limitations
017 * under the License.
018 */
019package org.apache.commons.jcs3.jcache;
020
021import org.apache.commons.jcs3.engine.control.event.behavior.IElementEvent;
022import org.apache.commons.jcs3.engine.control.event.behavior.IElementEventHandler;
023
024public class EvictionListener implements IElementEventHandler
025{
026    private final Statistics stats;
027
028    public EvictionListener(final Statistics statistics)
029    {
030        this.stats = statistics;
031    }
032
033    @Override
034    public <T> void handleElementEvent(final IElementEvent<T> event)
035    {
036        switch (event.getElementEvent())
037        {
038            case EXCEEDED_MAXLIFE_BACKGROUND:
039            case EXCEEDED_MAXLIFE_ONREQUEST:
040            case EXCEEDED_IDLETIME_ONREQUEST:
041            case EXCEEDED_IDLETIME_BACKGROUND:
042                stats.increaseEvictions(1);
043                break;
044            default:
045                break;
046        }
047    }
048}