/** * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file * distributed with this work for additional information regarding copyright ownership. Apereo * 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 the * following location: * * <p>http://www.apache.org/licenses/LICENSE-2.0 * * <p>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.apereo.portal.utils.cache; import net.sf.ehcache.Ehcache; import net.sf.ehcache.Element; import net.sf.ehcache.event.CacheEventListenerAdapter; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; /** * Used with caches that will degrade performance when the maxElementsInMemory is smaller than the * number of objects of that type in the portal. * */ @Service("insufficientSizeCacheEventListener") public class InsufficientSizeCacheEventListener extends CacheEventListenerAdapter { @Autowired private CacheHealthReporterService cacheHealthReporterService; @Override public void notifyElementEvicted(Ehcache cache, Element element) { if (!element.isExpired()) { /* * We've added this listener to the configuration of this cache in * ehcache.xml because we believe it's worrisome for elements to * leave the cache EXCEPT when they exceed their timeToLiveSeconds * or timeToIdleSeconds. */ cacheHealthReporterService.reportCacheSizeNotLargeEnough(cache, element); } } }