org.primefaces.cache.EHCacheProvider Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of primefaces Show documentation
Show all versions of primefaces Show documentation
PrimeFaces is one of the most popular UI libraries in Java EE Ecosystem and widely used by software companies, world renowned brands, banks, financial institutions, insurance companies, universities and more.
/**
* The MIT License
*
* Copyright (c) 2009-2019 PrimeTek
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.cache;
import net.sf.ehcache.Cache;
import net.sf.ehcache.CacheManager;
import net.sf.ehcache.Element;
public class EHCacheProvider implements CacheProvider {
private final CacheManager cacheManager;
public EHCacheProvider() {
cacheManager = CacheManager.create();
}
@Override
public Object get(String region, String key) {
Cache cacheRegion = getRegion(region);
Element element = cacheRegion.get(key);
if (element != null) {
return element.getObjectValue();
}
else {
return null;
}
}
@Override
public void put(String region, String key, Object object) {
Cache cacheRegion = getRegion(region);
cacheRegion.put(new Element(key, object));
}
@Override
public void remove(String region, String key) {
Cache cacheRegion = getRegion(region);
cacheRegion.remove(key);
}
@Override
public void clear() {
String[] cacheNames = getCacheManager().getCacheNames();
if (cacheNames != null) {
for (String cacheName : cacheNames) {
Cache cache = getRegion(cacheName);
cache.removeAll();
}
}
}
protected Cache getRegion(String regionName) {
Cache region = getCacheManager().getCache(regionName);
if (region == null) {
getCacheManager().addCache(regionName);
region = getCacheManager().getCache(regionName);
}
return region;
}
public CacheManager getCacheManager() {
return cacheManager;
}
}