/*
* JBoss, Home of Professional Open Source
* Copyright 2011 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.cdi.interceptor;
import javax.cache.annotation.CacheInvocationParameter;
import javax.cache.annotation.CacheKey;
import javax.cache.annotation.CacheKeyGenerator;
import javax.cache.annotation.CacheKeyInvocationContext;
import javax.enterprise.context.ApplicationScoped;
import java.lang.annotation.Annotation;
import static org.infinispan.cdi.util.Contracts.assertNotNull;
/**
* Default {@link CacheKeyGenerator} implementation. By default all key parameters of the intercepted method compose the
* {@link CacheKey}.
*
* @author Kevin Pollet <kevin.pollet@serli.com> (C) 2011 SERLI
*/
@ApplicationScoped
public class DefaultCacheKeyGenerator implements CacheKeyGenerator {
@Override
public CacheKey generateCacheKey(CacheKeyInvocationContext<? extends Annotation> cacheKeyInvocationContext) {
assertNotNull(cacheKeyInvocationContext, "cacheKeyInvocationContext parameter must not be null");
final CacheInvocationParameter[] keyParameters = cacheKeyInvocationContext.getKeyParameters();
final Object[] keyValues = new Object[keyParameters.length];
for (int i = 0 ; i < keyParameters.length ; i++) {
keyValues[i] = keyParameters[i].getValue();
}
return new DefaultCacheKey(keyValues);
}
}