/**
* 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);
}
}
}