/*
* JBoss, Home of Professional Open Source.
* 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
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.cache.factories;
import org.jboss.cache.config.ConfigurationException;
import org.jboss.cache.factories.annotations.DefaultFactoryFor;
import org.jboss.cache.factories.context.ContextFactory;
import org.jboss.cache.factories.context.MVCCContextFactory;
import org.jboss.cache.factories.context.OptimisticContextFactory;
import org.jboss.cache.factories.context.PessimisticContextFactory;
/**
* Responsible for creating the appropriate {@link org.jboss.cache.factories.context.ContextFactory} based on configuration used.
*
* @author Manik Surtani (<a href="mailto:manik AT jboss DOT org">manik AT jboss DOT org</a>)
* @since 3.0
*/
@DefaultFactoryFor(classes = ContextFactory.class)
public class ContextMetaFactory extends ComponentFactory
{
@SuppressWarnings("deprecation")
protected <T> T construct(Class<T> componentType)
{
if (log.isTraceEnabled()) log.trace("Cache configuration is " + configuration.getNodeLockingScheme());
switch (configuration.getNodeLockingScheme())
{
case MVCC:
if (log.isTraceEnabled()) log.trace("Creating an MVCC context factory");
return componentType.cast(new MVCCContextFactory());
case OPTIMISTIC:
if (log.isTraceEnabled()) log.trace("Creating an optimistic context factory");
return componentType.cast(new OptimisticContextFactory());
case PESSIMISTIC:
if (log.isTraceEnabled()) log.trace("Creating a pessimistic context factory");
return componentType.cast(new PessimisticContextFactory());
}
throw new ConfigurationException("Unknown configuration node locking scheme");
}
}