/*
* 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.system.server.profileservice.persistence.deployer;
import org.jboss.deployers.spi.DeploymentException;
import org.jboss.deployers.spi.deployer.DeploymentStages;
import org.jboss.deployers.spi.deployer.helpers.AbstractRealDeployer;
import org.jboss.deployers.structure.spi.DeploymentUnit;
import org.jboss.deployers.vfs.spi.structure.VFSDeploymentUnit;
import org.jboss.logging.Logger;
import org.jboss.system.server.profileservice.attachments.AttachmentMetaData;
import org.jboss.system.server.profileservice.attachments.AttachmentStore;
import org.jboss.system.server.profileservice.attachments.RepositoryAttachmentMetaData;
import org.jboss.system.server.profileservice.persistence.PersistenceFactory;
import org.jboss.system.server.profileservice.persistence.xml.PersistenceRoot;
import org.jboss.virtual.VirtualFile;
/**
* The ProfileService Persistence Deployer. This deployer applies the
* persisted changes to an attachment.
*
* @author <a href="mailto:emuckenh@redhat.com">Emanuel Muckenhuber</a>
* @version $Revision: 89188 $
*/
public class ProfileServicePersistenceDeployer extends AbstractRealDeployer
{
/** The managed prefix. */
public static final String PERSISTED_ATTACHMENT_PREFIX = "PERISTED";
/** The attachment store. */
private AttachmentStore store;
/** The persistence factory. */
private PersistenceFactory persistenceFactory;
/** The Logger. */
private static final Logger log = Logger.getLogger(ProfileServicePersistenceDeployer.class);
public ProfileServicePersistenceDeployer()
{
super();
setAllInputs(true);
setStage(DeploymentStages.PRE_REAL);
}
public PersistenceFactory getPersistenceFactory()
{
return persistenceFactory;
}
public void setPersistenceFactory(PersistenceFactory persistenceFactory)
{
this.persistenceFactory = persistenceFactory;
}
public AttachmentStore getAttachmentStore()
{
return store;
}
public void setAttachmentStore(AttachmentStore store)
{
this.store = store;
}
@Override
protected void internalDeploy(DeploymentUnit unit) throws DeploymentException
{
if(unit == null || unit instanceof VFSDeploymentUnit == false)
return;
try
{
applyPersistentChanges((VFSDeploymentUnit) unit);
}
catch(Throwable e)
{
log.warn("Failed to update the persisted attachment information", e);
}
}
protected void applyPersistentChanges(VFSDeploymentUnit unit) throws Throwable
{
VirtualFile vf = unit.getRoot();
RepositoryAttachmentMetaData metaData = store.loadMetaData(vf);
if(metaData == null)
return;
// Check if the deployment was modified
if(PersistenceModificationChecker.hasBeenModified(unit, metaData.getLastModified()))
{
log.debug("Deployment was modified, not applying persisted information : " + unit);
return;
}
//
if(metaData.getAttachments() != null && metaData.getAttachments().isEmpty() == false)
{
for(AttachmentMetaData attachment: metaData.getAttachments())
{
Object instance = unit.getAttachment(attachment.getName());
if(instance != null)
{
PersistenceRoot root = this.store.loadAttachment(vf, attachment);
if(root == null)
{
log.warn("Null persisted information for deployment: " + vf);
}
// update ...
getPersistenceFactory().restorePersistenceRoot(root, instance, unit.getClassLoader());
}
else
{
log.warn("Could not apply changes, failed to find attachment: " + attachment.getName());
}
}
}
}
}