/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. 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.jboss.wsf.framework.deployment;
// $Id: DeploymentAspectManagerImpl.java 4244 2007-08-08 09:19:04Z thomas.diesler@jboss.com $
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.jboss.logging.Logger;
import org.jboss.wsf.spi.deployment.Deployment;
import org.jboss.wsf.spi.deployment.DeploymentAspect;
import org.jboss.wsf.spi.deployment.DeploymentAspectManager;
import org.jboss.wsf.spi.deployment.WSFDeploymentException;
import org.jboss.wsf.spi.deployment.Deployment.DeploymentState;
/**
* A general service deployment manger.
*
* @author Thomas.Diesler@jboss.com
* @since 20-Apr-2007
*/
public class DeploymentAspectManagerImpl implements DeploymentAspectManager
{
// provide logging
private static final Logger log = Logger.getLogger(DeploymentAspectManagerImpl.class);
private String name;
private DeploymentAspectManager parent;
private List<DeploymentAspect> sortedAspects = new ArrayList<DeploymentAspect>();
private long deploymentCount;
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
public DeploymentAspectManager getParent()
{
return parent;
}
public void setParent(DeploymentAspectManager parent)
{
this.parent = parent;
}
public List<DeploymentAspect> getDeploymentAspects()
{
return Collections.unmodifiableList(sortedAspects);
}
public void setDeploymentAspects(List<DeploymentAspect> aspects)
{
if (deploymentCount > 0)
throw new IllegalStateException("Cannot add deployment aspects");
sortedAspects.clear();
sortedAspects.addAll(aspects);
}
/**
* Iterate over the registered deployers calls create on each.
* Iterate over the registered deployers again and calls start on each.
* If start fails it automaticall calls destroy in the reverse order
* starting with the deployer that failed
*/
public void deploy(Deployment dep)
{
// create the deployment
Set<String> providedConditions = new HashSet<String>();
for (int i = 0; i < getDeploymentAspects().size(); i++)
{
DeploymentAspect aspect = getDeploymentAspects().get(i);
// Check that all required aspects are met
/*
TODO: This should done by adding all provided conditions to the Deployment
when being executed. Otherwise we will miss the parent provided conditions here
Set<String> requiredSet = aspect.getRequiresAsSet();
requiredSet.remove(DeploymentAspect.LAST_DEPLOYMENT_ASPECT);
if (providedConditions.containsAll(requiredSet) == false)
throw new IllegalStateException("Required conditions '" + aspect.getRequires() + "' not satisfied by '" + providedConditions + "' for: " + aspect);
*/
logInvocation(aspect, "Create");
aspect.create(dep);
providedConditions.addAll(aspect.getProvidesAsSet());
}
dep.setState(DeploymentState.CREATED);
// start the deployment
for (int i = 0; i < getDeploymentAspects().size(); i++)
{
DeploymentAspect aspect = getDeploymentAspects().get(i);
try
{
logInvocation(aspect, "Start");
aspect.start(dep);
}
catch (RuntimeException rte)
{
while (i-- >= 0)
{
// destroy the deployment
failsafeDestroy(aspect, dep);
}
throw rte;
}
}
dep.setState(DeploymentState.STARTED);
deploymentCount++;
}
public void undeploy(Deployment dep)
{
// stop the deployment
for (int i = getDeploymentAspects().size(); 0 < i; i--)
{
DeploymentAspect aspect = getDeploymentAspects().get(i - 1);
failsafeStop(aspect, dep);
}
dep.setState(DeploymentState.STOPPED);
// destroy the deployment
for (int i = getDeploymentAspects().size(); 0 < i; i--)
{
DeploymentAspect aspect = getDeploymentAspects().get(i - 1);
failsafeDestroy(aspect, dep);
}
dep.setState(DeploymentState.DESTROYED);
}
private void failsafeStop(DeploymentAspect aspect, Deployment dep)
{
try
{
logInvocation(aspect, "Stop");
aspect.stop(dep);
}
catch (RuntimeException rte)
{
WSFDeploymentException.rethrow(rte);
}
}
private void failsafeDestroy(DeploymentAspect aspect, Deployment dep)
{
try
{
logInvocation(aspect, "Destroy");
aspect.destroy(dep);
}
catch (RuntimeException rte)
{
WSFDeploymentException.rethrow(rte);
}
}
private void logInvocation(DeploymentAspect aspect, String method)
{
String name = aspect.getClass().getName();
name = name.substring(name.lastIndexOf(".") + 1);
log.debug(name + ":" + method);
}
}