/*
* JBoss, Home of Professional Open Source
* Copyright 2010, Red Hat 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.as.weld;
import org.jboss.as.weld.deployment.WeldDeployment;
import org.jboss.as.weld.services.ModuleGroupSingletonProvider;
import org.jboss.weld.bootstrap.WeldBootstrap;
import org.jboss.weld.bootstrap.api.Environment;
import org.jboss.weld.bootstrap.api.Service;
import org.jboss.weld.bootstrap.spi.BeanDeploymentArchive;
import javax.enterprise.inject.spi.BeanManager;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
/**
* Provides access to a running weld deployment.
* <p/>
* Thread Safety: This class is thread safe, and requires a happens before action between construction and usage
*
* @author Stuart Douglas
*/
public class WeldContainer {
private final WeldBootstrap bootstrap;
private final WeldDeployment deployment;
private final Environment environment;
private final Map<String, BeanDeploymentArchive> beanDeploymentArchives;
private volatile boolean started;
public WeldContainer(WeldDeployment deployment, Environment environment) {
this.deployment = deployment;
this.environment = environment;
this.bootstrap = new WeldBootstrap();
Map<String, BeanDeploymentArchive> bdas = new HashMap<String, BeanDeploymentArchive>();
for (BeanDeploymentArchive archive : deployment.getBeanDeploymentArchives()) {
bdas.put(archive.getId(), archive);
}
bdas.put(deployment.getAdditionalBeanDeploymentArchive().getId(), deployment.getAdditionalBeanDeploymentArchive());
this.beanDeploymentArchives = Collections.unmodifiableMap(bdas);
}
/**
* Starts the weld container
*
* @throws IllegalStateException if the container is already running
*/
public synchronized void start() {
if (started) {
throw new IllegalStateException("WeldContainer is already running");
}
ModuleGroupSingletonProvider.addClassLoaders(deployment.getModule().getClassLoader(), deployment.getSubDeploymentClassLoaders());
started = true;
ClassLoader oldTccl = SecurityActions.getContextClassLoader();
try {
SecurityActions.setContextClassLoader(deployment.getModule().getClassLoader());
bootstrap.startContainer(environment, deployment);
bootstrap.startInitialization();
bootstrap.deployBeans();
bootstrap.validateBeans();
bootstrap.endInitialization();
} finally {
SecurityActions.setContextClassLoader(oldTccl);
}
}
/**
* Stops the container
*
* @throws IllegalStateException if the container is not running
*/
public synchronized void stop() {
if (!started) {
throw new IllegalStateException("WeldContainer is not started");
}
ClassLoader oldTccl = SecurityActions.getContextClassLoader();
try {
SecurityActions.setContextClassLoader(deployment.getModule().getClassLoader());
bootstrap.shutdown();
} finally {
SecurityActions.setContextClassLoader(oldTccl);
ModuleGroupSingletonProvider.removeClassLoader(deployment.getModule().getClassLoader());
}
started = false;
}
/**
* Gets the {@link BeanManager} for a given bean deployment archive.
*
* @throws IllegalStateException if the container is not running
*/
public BeanManager getBeanManager(BeanDeploymentArchive archive) {
if (!started) {
throw new IllegalStateException("WeldContainer is not started");
}
return bootstrap.getManager(archive);
}
/**
* Gets the {@link BeanManager} for a given bean deployment archive id.
*
* @throws IllegalStateException if the container is not running
* @throws IllegalArgumentException if the bean deployment archive id is not found
*/
public BeanManager getBeanManager(String beanArchiveId) {
if (!started) {
throw new IllegalStateException("WeldContainer is not started");
}
BeanDeploymentArchive beanDeploymentArchive = beanDeploymentArchives.get(beanArchiveId);
if (beanDeploymentArchive == null) {
throw new IllegalArgumentException("BeanDeploymentArchive with id " + beanArchiveId + " not found in deplyoment");
}
return bootstrap.getManager(beanDeploymentArchive);
}
/**
* Adds a {@link Service} to the deployment. This method must not be called after the container has started
*/
public <T extends Service> void addWeldService(Class<T> type, T service) {
if (started) {
throw new IllegalStateException("services cannot be added after weld has started");
}
deployment.getServices().add(type, service);
deployment.getAdditionalBeanDeploymentArchive().getServices().add(type, service);
}
/**
* Gets the {@link BeanManager} linked to the additional classes bean deployment archive. This BeanManager has access to all
* beans in a deployment
*
* @throws IllegalStateException if the container is not running
*/
public BeanManager getBeanManager() {
if (!started) {
throw new IllegalStateException("WeldContainer is not started");
}
return bootstrap.getManager(deployment.getAdditionalBeanDeploymentArchive());
}
/**
* get all beans deployment archives in the deployment
*/
public Set<BeanDeploymentArchive> getBeanDeploymentArchives() {
return new HashSet<BeanDeploymentArchive>(beanDeploymentArchives.values());
}
public boolean isStarted() {
return started;
}
}