/*
* JBoss, Home of Professional Open Source
* Copyright 2009 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.factories;
import org.infinispan.config.ConfigurationException;
import org.infinispan.config.parsing.XmlConfigHelper;
import org.infinispan.container.DataContainer;
import org.infinispan.container.DefaultDataContainer;
import org.infinispan.eviction.EvictionStrategy;
import org.infinispan.eviction.EvictionThreadPolicy;
import org.infinispan.factories.annotations.DefaultFactoryFor;
import org.infinispan.util.Util;
/**
* Constructs the data container
*
* @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>)
* @author Vladimir Blagojevic
* @since 4.0
*/
@DefaultFactoryFor(classes = DataContainer.class)
public class DataContainerFactory extends AbstractNamedCacheComponentFactory implements
AutoInstantiableFactory {
@Override
@SuppressWarnings("unchecked")
public <T> T construct(Class<T> componentType) {
if (configuration.getDataContainer() != null) {
return (T) configuration.getDataContainer();
} else if (DefaultDataContainer.class.getName().equals(configuration.getDataContainerClass())) {
EvictionStrategy st = configuration.getEvictionStrategy();
int level = configuration.getConcurrencyLevel();
switch (st) {
case NONE:
return (T) DefaultDataContainer.unBoundedDataContainer(level);
case UNORDERED:
case LRU:
case FIFO:
case LIRS:
int maxEntries = configuration.getEvictionMaxEntries();
//handle case when < 0 value signifies unbounded container
if(maxEntries < 0) {
return (T) DefaultDataContainer.unBoundedDataContainer(level);
}
EvictionThreadPolicy policy = configuration.getEvictionThreadPolicy();
return (T) DefaultDataContainer.boundedDataContainer(level, maxEntries, st, policy);
default:
throw new ConfigurationException("Unknown eviction strategy "
+ configuration.getEvictionStrategy());
}
} else {
DataContainer dataContainer = DataContainer.class.cast(Util.getInstance(configuration.getDataContainerClass(), configuration.getClassLoader()));
XmlConfigHelper.setValues(dataContainer, configuration.getDataContainerProperties(), false, true);
return (T) dataContainer;
}
}
}