/*******************************************************************************
* * Copyright 2012 Impetus Infotech.
* *
* * 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.
******************************************************************************/
package com.impetus.kundera.metadata.processor;
import javax.persistence.Cacheable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.impetus.kundera.metadata.MetadataProcessor;
import com.impetus.kundera.metadata.model.EntityMetadata;
/**
* The MetadataProcessor implementation to scan for EntityListener class/method
* JPA Specifications: 1. EntityListeners classes must have a no-argument
* constructor. 2. Callback methods can have any visibility. 3. Callback methods
* must return void. 4. Callback methods must NOT throw any checked exception.
* 5. ExternalCallback methods must accept only entity object. 6.
* InternalCallback methods must NOT accept any parameter. 7. EntityListeners
* are state-less. 8. EnternalCallbackMethods must be fired before
* InternalCallbackMethods.
*
* @author animesh.kumar
*/
public class CacheableAnnotationProcessor implements MetadataProcessor
{
/** the log used by this class. */
private static Logger log = LoggerFactory.getLogger(CacheableAnnotationProcessor.class);
/*
* (non-Javadoc)
*
* @see
* com.impetus.kundera.metadata.MetadataProcessor#process(java.lang.Class,
* com.impetus.kundera.metadata.model.EntityMetadata)
*/
@Override
public final void process(final Class<?> entityClass, EntityMetadata metadata)
{
Cacheable cacheable = (Cacheable) entityClass.getAnnotation(Cacheable.class);
if (null != cacheable)
{
metadata.setCacheable(cacheable.value());
}
}
}