/*
* 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.query.impl;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.search.query.engine.spi.EntityInfo;
import org.infinispan.AdvancedCache;
import org.infinispan.Cache;
import org.infinispan.query.backend.KeyTransformationHandler;
/**
* @author Sanne Grinovero <sanne@hibernate.org> (C) 2011 Red Hat Inc.
* @author Marko Luksa
* @since 5.0
*/
public class EntityLoader {
private final AdvancedCache<?, ?> cache;
private final KeyTransformationHandler keyTransformationHandler;
public EntityLoader(Cache<?, ?> cache, KeyTransformationHandler keyTransformationHandler) {
this.keyTransformationHandler = keyTransformationHandler;
this.cache = cache.getAdvancedCache();
}
public Object load(EntityInfo entityInfo) {
Object cacheKey = keyTransformationHandler.stringToKey(entityInfo.getId().toString(), cache.getClassLoader());
return cache.get(cacheKey);
}
public List<Object> load(EntityInfo... entityInfos) {
int size = entityInfos.length;
ArrayList<Object> list = new ArrayList<Object>(size);
for (EntityInfo e : entityInfos) {
list.add(load(e));
}
return list;
}
}