org.broadleafcommerce.common.cache.engine.AbstractHydratedCacheManager Maven / Gradle / Ivy
/*
* #%L
* BroadleafCommerce Common Libraries
* %%
* Copyright (C) 2009 - 2013 Broadleaf Commerce
* %%
* Licensed 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
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.
* #L%
*/
package org.broadleafcommerce.common.cache.engine;
import net.sf.ehcache.event.CacheEventListener;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.lang.reflect.Method;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
/**
* @author jfischer
*/
public abstract class AbstractHydratedCacheManager implements CacheEventListener, HydratedCacheManager, HydratedAnnotationManager {
private static final Log LOG = LogFactory.getLog(AbstractHydratedCacheManager.class);
private Map hydrationDescriptors = Collections.synchronizedMap(new HashMap(100));
@Override
public HydrationDescriptor getHydrationDescriptor(Object entity) {
if (hydrationDescriptors.containsKey(entity.getClass().getName())) {
return hydrationDescriptors.get(entity.getClass().getName());
}
HydrationDescriptor descriptor = new HydrationDescriptor();
Class topEntityClass = getTopEntityClass(entity);
HydrationScanner scanner = new HydrationScanner(topEntityClass, entity.getClass());
scanner.init();
descriptor.setHydratedMutators(scanner.getCacheMutators());
Map mutators = scanner.getIdMutators();
if (mutators.size() != 1) {
throw new RuntimeException("Broadleaf Commerce Hydrated Cache currently only supports entities with a single @Id annotation.");
}
Method[] singleMutators = mutators.values().iterator().next();
descriptor.setIdMutators(singleMutators);
String cacheRegion = scanner.getCacheRegion();
if (cacheRegion == null || "".equals(cacheRegion)) {
cacheRegion = topEntityClass.getName();
}
descriptor.setCacheRegion(cacheRegion);
hydrationDescriptors.put(entity.getClass().getName(), descriptor);
return descriptor;
}
protected Class getTopEntityClass(Object entity) {
Class myClass = entity.getClass();
Class superClass = entity.getClass().getSuperclass();
while (superClass != null && superClass.getName().startsWith("org.broadleaf")) {
myClass = superClass;
superClass = superClass.getSuperclass();
}
return myClass;
}
@Override
public void dispose() {
if (LOG.isInfoEnabled()) {
LOG.info("Disposing of all hydrated cache members");
}
hydrationDescriptors.clear();
}
@Override
public Object clone() throws CloneNotSupportedException {
return this;
}
}