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* Copyright 2000 - 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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
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package org.infinispan.factories;
import org.infinispan.batch.BatchContainer;
import org.infinispan.commands.CommandsFactory;
import org.infinispan.config.ConfigurationException;
import org.infinispan.context.InvocationContextContainer;
import org.infinispan.context.InvocationContextContainerImpl;
import org.infinispan.eviction.EvictionManager;
import org.infinispan.factories.annotations.DefaultFactoryFor;
import org.infinispan.loaders.CacheLoaderManager;
import org.infinispan.marshall.Marshaller;
import org.infinispan.marshall.VersionAwareMarshaller;
import org.infinispan.notifications.cachelistener.CacheNotifier;
import org.infinispan.transaction.TransactionLog;
import org.infinispan.util.Util;
/**
* Simple factory that just uses reflection and an empty constructor of the component type.
*
* @author Manik Surtani (<a href="mailto:manik@jboss.org">manik@jboss.org</a>)
* @since 4.0
*/
@DefaultFactoryFor(classes = {CacheNotifier.class, EntryFactory.class, CommandsFactory.class,
CacheLoaderManager.class, InvocationContextContainer.class,
BatchContainer.class, TransactionLog.class, EvictionManager.class, InvocationContextContainer.class})
public class EmptyConstructorNamedCacheFactory extends AbstractNamedCacheComponentFactory implements AutoInstantiableFactory {
@Override
public <T> T construct(Class<T> componentType) {
try {
if (componentType.isInterface()) {
Class componentImpl;
if (componentType.equals(Marshaller.class)) {
VersionAwareMarshaller versionAwareMarshaller = Util.getInstance(VersionAwareMarshaller.class);
return componentType.cast(versionAwareMarshaller);
} else if (componentType.equals(InvocationContextContainer.class)) {
componentImpl = InvocationContextContainerImpl.class;
} else {
// add an "Impl" to the end of the class name and try again
componentImpl = Util.loadClass(componentType.getName() + "Impl");
}
return componentType.cast(Util.getInstance(componentImpl));
} else {
return Util.getInstance(componentType);
}
}
catch (Exception e) {
throw new ConfigurationException("Unable to create component " + componentType, e);
}
}
}