/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.jca.ra;
import javax.enterprise.inject.spi.Bean;
import javax.resource.spi.ResourceAdapter;
import com.caucho.config.inject.InjectManager;
import com.caucho.lifecycle.Lifecycle;
import com.caucho.lifecycle.StartLifecycleException;
import com.caucho.loader.Environment;
import com.caucho.loader.EnvironmentClassLoader;
import com.caucho.loader.EnvironmentListener;
/**
* Controller for a resource-adapter
*/
public class ResourceAdapterController implements EnvironmentListener
{
private InjectManager _beanManager;
private final Bean<ResourceAdapter> _comp;
private final ResourceArchive _raConfig;
private Lifecycle _lifecycle = new Lifecycle();
private ResourceAdapter _ra;
public ResourceAdapterController(Bean<ResourceAdapter> comp,
ResourceArchive raConfig)
{
_beanManager = InjectManager.create();
_comp = comp;
_raConfig = raConfig;
Environment.addEnvironmentListener(this);
}
public ResourceAdapter getResourceAdapter()
{
start();
return _ra;
}
/**
* Starts the resource adapter
*/
private void start()
{
if (! _lifecycle.toActive())
return;
if (_ra != null)
return;
_ra = (ResourceAdapter) _beanManager.getReference(_comp);
try {
_ra.start(ResourceManagerImpl.create());
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new StartLifecycleException(e);
}
}
/**
* Stops the resource adapter
*/
private void stop()
{
if (! _lifecycle.toStop())
return;
try {
ResourceAdapter ra = _ra;
if (ra != null)
ra.stop();
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new StartLifecycleException(e);
}
}
/**
* Handles the environment config phase.
*/
@Override
public void environmentConfigure(EnvironmentClassLoader loader)
throws StartLifecycleException
{
}
/**
* Handles the environment bind phase.
*/
@Override
public void environmentBind(EnvironmentClassLoader loader)
throws StartLifecycleException
{
}
/**
* Handles the case where the environment is starting (after init).
*/
@Override
public void environmentStart(EnvironmentClassLoader loader)
throws StartLifecycleException
{
start();
}
/**
* Handles the case where the environment is stopping
*/
@Override
public void environmentStop(EnvironmentClassLoader loader)
{
stop();
}
@Override
public String toString()
{
return getClass().getSimpleName() + "[" + _comp + "]";
}
}