/*
* JBoss, Home of Professional Open Source.
* Copyright 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.ha.framework.server.deployers;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import org.jboss.deployers.spi.DeploymentException;
import org.jboss.deployers.spi.deployer.DeploymentStages;
import org.jboss.deployers.spi.deployer.helpers.AbstractDeployer;
import org.jboss.deployers.structure.spi.DeploymentUnit;
import org.jboss.ejb.deployers.MergedJBossMetaDataDeployer;
import org.jboss.metadata.ejb.jboss.ClusterConfigMetaData;
import org.jboss.metadata.ejb.jboss.JBossEnterpriseBeanMetaData;
import org.jboss.metadata.ejb.jboss.JBossEnterpriseBeansMetaData;
import org.jboss.metadata.ejb.jboss.JBossEntityBeanMetaData;
import org.jboss.metadata.ejb.jboss.JBossMetaData;
import org.jboss.metadata.ejb.jboss.JBossSessionBeanMetaData;
public abstract class AbstractHAPartitionDependencyDeployer extends AbstractDeployer
{
private HAPartitionDependencyCreator dependencyCreator;
public AbstractHAPartitionDependencyDeployer()
{
super();
addInput(MergedJBossMetaDataDeployer.EJB_MERGED_ATTACHMENT_NAME);
addOutput(MergedJBossMetaDataDeployer.EJB_MERGED_ATTACHMENT_NAME);
setStage(DeploymentStages.POST_CLASSLOADER);
}
public synchronized HAPartitionDependencyCreator getHaPartitionDependencyCreator()
{
if (dependencyCreator == null)
{
dependencyCreator = DefaultHAPartitionDependencyCreator.INSTANCE;
}
return dependencyCreator;
}
public synchronized void setHaPartitionDependencyCreator(HAPartitionDependencyCreator dependencyCreator)
{
this.dependencyCreator = dependencyCreator;
}
/**
* Adds the dependency to relevant metadata.
*
* {@inheritDoc}
*/
public void deploy(DeploymentUnit unit) throws DeploymentException
{
JBossMetaData metaData = unit.getAttachment(MergedJBossMetaDataDeployer.EJB_MERGED_ATTACHMENT_NAME, JBossMetaData.class);
if (metaData != null && accepts(metaData))
{
JBossEnterpriseBeansMetaData beans = metaData.getEnterpriseBeans();
if (beans != null)
{
for (Iterator<JBossEnterpriseBeanMetaData> it = beans.iterator(); it.hasNext(); )
{
JBossEnterpriseBeanMetaData bmd = it.next();
ClusterConfigMetaData ccmd = getClusteredBeanClusterConfig(bmd);
if (ccmd != null)
{
addHAPartitionDependency(bmd, ccmd);
}
}
}
}
}
// -------------------------------------------------------------- Protected
protected abstract boolean accepts(JBossMetaData metaData);
protected abstract void configureDeploymentStage();
protected ClusterConfigMetaData getClusteredBeanClusterConfig(JBossEnterpriseBeanMetaData bmd)
{
if (bmd instanceof JBossSessionBeanMetaData)
{
JBossSessionBeanMetaData sbmd = (JBossSessionBeanMetaData) bmd;
if (sbmd.isClustered())
{
return sbmd.getClusterConfig();
}
}
else if (bmd instanceof JBossEntityBeanMetaData)
{
JBossEntityBeanMetaData ebmd = (JBossEntityBeanMetaData) bmd;
if (ebmd.isClustered())
{
return ebmd.getClusterConfig();
}
}
return null;
}
// ---------------------------------------------------------------- Private
private void addHAPartitionDependency(JBossEnterpriseBeanMetaData bmd, ClusterConfigMetaData ccmd)
{
String dependencyName = getHaPartitionDependencyCreator().getHAPartitionDependencyName(ccmd.getPartitionName());
Set<String> depends = bmd.getDepends();
if (depends == null)
{
depends = new HashSet<String>();
}
depends.add(dependencyName);
bmd.setDepends(depends);
}
}