/*
* 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 java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.RejectedExecutionException;
import javax.enterprise.inject.spi.BeanManager;
import org.jboss.as.weld.deployment.BeanDeploymentArchiveImpl;
import org.jboss.as.weld.deployment.WeldDeployment;
import org.jboss.as.weld.logging.WeldLogger;
import org.jboss.as.weld.services.ModuleGroupSingletonProvider;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.jboss.weld.Container;
import org.jboss.weld.ContainerState;
import org.jboss.weld.bootstrap.WeldBootstrap;
import org.jboss.weld.bootstrap.api.Environment;
import org.jboss.weld.bootstrap.spi.BeanDeploymentArchive;
import org.jboss.weld.manager.BeanManagerImpl;
import org.jboss.weld.manager.api.ExecutorServices;
import org.jboss.weld.security.spi.SecurityServices;
import org.jboss.weld.transaction.spi.TransactionServices;
import org.wildfly.security.manager.WildFlySecurityManager;
/**
* Provides the initial bootstrap of the Weld container. This does not actually finish starting the container, merely gets it to
* the point that the bean manager is available.
*
* @author Stuart Douglas
*/
public class WeldBootstrapService implements Service<WeldBootstrapService> {
public static final ServiceName SERVICE_NAME = ServiceName.of("WeldBootstrapService");
private final WeldBootstrap bootstrap;
private final WeldDeployment deployment;
private final Environment environment;
private final Map<String, BeanDeploymentArchive> beanDeploymentArchives;
private final BeanDeploymentArchiveImpl rootBeanDeploymentArchive;
private final String deploymentName;
private final InjectedValue<SecurityServices> securityServices = new InjectedValue<SecurityServices>();
private final InjectedValue<TransactionServices> weldTransactionServices = new InjectedValue<TransactionServices>();
private final InjectedValue<ExecutorServices> executorServices = new InjectedValue<ExecutorServices>();
private final InjectedValue<ExecutorService> serverExecutor = new InjectedValue<ExecutorService>();
private volatile boolean started;
public WeldBootstrapService(WeldDeployment deployment, Environment environment, final String deploymentName) {
this.deployment = deployment;
this.environment = environment;
this.deploymentName = deploymentName;
this.bootstrap = new WeldBootstrap();
Map<String, BeanDeploymentArchive> bdas = new HashMap<String, BeanDeploymentArchive>();
BeanDeploymentArchiveImpl rootBeanDeploymentArchive = null;
for (BeanDeploymentArchive archive : deployment.getBeanDeploymentArchives()) {
bdas.put(archive.getId(), archive);
if (archive instanceof BeanDeploymentArchiveImpl) {
BeanDeploymentArchiveImpl bda = (BeanDeploymentArchiveImpl) archive;
if (bda.isRoot()) {
rootBeanDeploymentArchive = bda;
}
}
}
this.rootBeanDeploymentArchive = rootBeanDeploymentArchive;
this.beanDeploymentArchives = Collections.unmodifiableMap(bdas);
}
/**
* Starts the weld container
*
* @throws IllegalStateException if the container is already running
*/
public synchronized void start(final StartContext context) {
if (started) {
throw WeldLogger.ROOT_LOGGER.alreadyRunning("WeldContainer");
}
started = true;
WeldLogger.DEPLOYMENT_LOGGER.startingWeldService(deploymentName);
// set up injected services
addWeldService(SecurityServices.class, securityServices.getValue());
TransactionServices transactionServices = weldTransactionServices.getOptionalValue();
if (transactionServices != null) {
addWeldService(TransactionServices.class, transactionServices);
}
if (!deployment.getServices().contains(ExecutorServices.class)) {
addWeldService(ExecutorServices.class, executorServices.getValue());
}
ModuleGroupSingletonProvider.addClassLoaders(deployment.getModule().getClassLoader(),
deployment.getSubDeploymentClassLoaders());
ClassLoader oldTccl = WildFlySecurityManager.getCurrentContextClassLoaderPrivileged();
try {
WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(deployment.getModule().getClassLoader());
bootstrap.startContainer(deploymentName, environment, deployment);
WeldProvider.containerInitialized(Container.instance(deploymentName), getBeanManager(), deployment);
} finally {
WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(oldTccl);
}
}
/**
* This is a no-op if {@link WeldStartService#start(StartContext)} completes normally and the shutdown is performed in
* {@link WeldStartService#stop(org.jboss.msc.service.StopContext)}.
*/
public synchronized void stop(final StopContext context) {
if (started) {
// WeldStartService#stop() not completed - attempt to perform the container cleanup
final Container container = Container.instance(deploymentName);
if (container != null && !ContainerState.SHUTDOWN.equals(container.getState())) {
final ExecutorService executorService = serverExecutor.getValue();
final Runnable task = new Runnable() {
@Override
public void run() {
WeldLogger.DEPLOYMENT_LOGGER.debugf("Weld container cleanup for deployment %s", deploymentName);
ClassLoader oldTccl = WildFlySecurityManager.getCurrentContextClassLoaderPrivileged();
try {
WildFlySecurityManager
.setCurrentContextClassLoaderPrivileged(deployment.getModule().getClassLoader());
WeldProvider.containerShutDown(container);
container.setState(ContainerState.SHUTDOWN);
container.cleanup();
setStarted(false);
} finally {
WildFlySecurityManager.setCurrentContextClassLoaderPrivileged(oldTccl);
ModuleGroupSingletonProvider.removeClassLoader(deployment.getModule().getClassLoader());
context.complete();
}
}
};
try {
executorService.execute(task);
} catch (RejectedExecutionException e) {
task.run();
} finally {
context.asynchronous();
}
}
}
}
/**
* 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 BeanManagerImpl getBeanManager(String beanArchiveId) {
if (!started) {
throw WeldLogger.ROOT_LOGGER.notStarted("WeldContainer");
}
BeanDeploymentArchive beanDeploymentArchive = beanDeploymentArchives.get(beanArchiveId);
if (beanDeploymentArchive == null) {
throw WeldLogger.ROOT_LOGGER.beanDeploymentNotFound(beanArchiveId);
}
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 org.jboss.weld.bootstrap.api.Service> void addWeldService(Class<T> type, T service) {
deployment.addWeldService(type, service);
}
/**
* Gets the {@link BeanManager} linked to the root bean deployment archive. This BeanManager has access to all beans in a
* deployment
*
* @throws IllegalStateException if the container is not running
*/
public BeanManagerImpl getBeanManager() {
if (!started) {
throw WeldLogger.ROOT_LOGGER.notStarted("WeldContainer");
}
return bootstrap.getManager(rootBeanDeploymentArchive);
}
/**
* get all beans deployment archives in the deployment
*/
public Set<BeanDeploymentArchive> getBeanDeploymentArchives() {
return new HashSet<BeanDeploymentArchive>(beanDeploymentArchives.values());
}
public boolean isStarted() {
return started;
}
void setStarted(boolean started) {
this.started = started;
}
WeldDeployment getDeployment() {
return deployment;
}
String getDeploymentName() {
return deploymentName;
}
WeldBootstrap getBootstrap() {
return bootstrap;
}
@Override
public WeldBootstrapService getValue() throws IllegalStateException, IllegalArgumentException {
return this;
}
public InjectedValue<SecurityServices> getSecurityServices() {
return securityServices;
}
public InjectedValue<TransactionServices> getWeldTransactionServices() {
return weldTransactionServices;
}
public InjectedValue<ExecutorServices> getExecutorServices() {
return executorServices;
}
public InjectedValue<ExecutorService> getServerExecutor() {
return serverExecutor;
}
}