org.jsr107.ri.annotations.DefaultCacheKeyGenerator Maven / Gradle / Ivy
/**
* Copyright 2011-2013 Terracotta, Inc.
* Copyright 2011-2013 Oracle America Incorporated
*
* 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 org.jsr107.ri.annotations;
import javax.cache.annotation.CacheInvocationParameter;
import javax.cache.annotation.CacheKeyGenerator;
import javax.cache.annotation.CacheKeyInvocationContext;
import javax.cache.annotation.GeneratedCacheKey;
import java.lang.annotation.Annotation;
/**
* Creates a {@link DefaultGeneratedCacheKey} for the {@link CacheKeyInvocationContext}
*
* @author Eric Dalquist
* @author Rick Hightower
* @since 1.0
*/
public class DefaultCacheKeyGenerator implements CacheKeyGenerator {
/* (non-Javadoc)
* @see javax.cache.annotation.CacheKeyGenerator#generateCacheKey(javax.cache.annotation.CacheInvocationContext)
*/
@Override
public GeneratedCacheKey generateCacheKey(CacheKeyInvocationContext extends Annotation> cacheKeyInvocationContext) {
final CacheInvocationParameter[] keyParameters = cacheKeyInvocationContext.getKeyParameters();
final Object[] parameters = new Object[keyParameters.length];
for (int index = 0; index < keyParameters.length; index++) {
parameters[index] = keyParameters[index].getValue();
}
return new DefaultGeneratedCacheKey(parameters);
}
}