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/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., 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.as.ejb3.component.stateless;
import java.lang.reflect.Method;
import java.util.Collection;
import javax.ejb.TransactionManagementType;
import org.jboss.as.ee.component.Attachments;
import org.jboss.as.ee.component.Component;
import org.jboss.as.ee.component.ComponentConfiguration;
import org.jboss.as.ee.component.ComponentConfigurator;
import org.jboss.as.ee.component.ComponentDescription;
import org.jboss.as.ee.component.DependencyConfigurator;
import org.jboss.as.ee.component.EEApplicationClasses;
import org.jboss.as.ee.component.ViewConfiguration;
import org.jboss.as.ee.component.ViewConfigurator;
import org.jboss.as.ee.component.ViewDescription;
import org.jboss.as.ee.component.interceptors.InterceptorClassDescription;
import org.jboss.as.ee.component.interceptors.InterceptorOrder;
import org.jboss.as.ee.component.serialization.WriteReplaceInterface;
import org.jboss.as.ee.metadata.MetadataCompleteMarker;
import org.jboss.as.ejb3.component.EJBViewDescription;
import org.jboss.as.ejb3.component.MethodIntf;
import org.jboss.as.ejb3.component.interceptors.ComponentTypeIdentityInterceptorFactory;
import org.jboss.as.ejb3.component.pool.PoolConfig;
import org.jboss.as.ejb3.component.pool.StrictMaxPoolConfigService;
import org.jboss.as.ejb3.component.session.SessionBeanComponentDescription;
import org.jboss.as.ejb3.component.session.StatelessRemoteViewInstanceFactory;
import org.jboss.as.ejb3.component.session.StatelessWriteReplaceInterceptor;
import org.jboss.as.ejb3.deployment.EjbJarDescription;
import org.jboss.as.ejb3.tx.EjbBMTInterceptor;
import org.jboss.as.ejb3.tx.LifecycleCMTTxInterceptor;
import org.jboss.as.ejb3.tx.TimerCMTTxInterceptor;
import org.jboss.as.server.deployment.DeploymentPhaseContext;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.reflect.ClassReflectionIndex;
import org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex;
import org.jboss.metadata.ejb.spec.SessionBeanMetaData;
import org.jboss.modules.ModuleLoader;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceName;
/**
* User: jpai
*/
public class StatelessComponentDescription extends SessionBeanComponentDescription {
private String poolConfigName;
private final boolean defaultSlsbPoolAvailable;
/**
* Construct a new instance.
*
* @param componentName the component name
* @param componentClassName the component instance class name
* @param ejbModuleDescription the module description
*/
public StatelessComponentDescription(final String componentName, final String componentClassName, final EjbJarDescription ejbModuleDescription,
final ServiceName deploymentUnitServiceName, final SessionBeanMetaData descriptorData, final boolean defaultSlsbPoolAvailable) {
super(componentName, componentClassName, ejbModuleDescription, deploymentUnitServiceName, descriptorData);
this.defaultSlsbPoolAvailable = defaultSlsbPoolAvailable;
}
@Override
public ComponentConfiguration createConfiguration(final ClassReflectionIndex classIndex, final ClassLoader moduleClassLoader, final ModuleLoader moduleLoader) {
final ComponentConfiguration statelessComponentConfiguration = new ComponentConfiguration(this, classIndex, moduleClassLoader, moduleLoader);
// setup the component create service
statelessComponentConfiguration.setComponentCreateServiceFactory(new StatelessComponentCreateServiceFactory());
// setup the configurator to inject the PoolConfig in the StatelessSessionComponentCreateService
final StatelessComponentDescription statelessComponentDescription = (StatelessComponentDescription) statelessComponentConfiguration.getComponentDescription();
statelessComponentConfiguration.getCreateDependencies().add(new PoolInjectingConfigurator(statelessComponentDescription));
// add the bmt interceptor
if (TransactionManagementType.BEAN.equals(this.getTransactionManagementType())) {
getConfigurators().add(new ComponentConfigurator() {
@Override
public void configure(final DeploymentPhaseContext context, final ComponentDescription description, final ComponentConfiguration configuration) throws DeploymentUnitProcessingException {
// add the bmt interceptor factory
configuration.addComponentInterceptor(EjbBMTInterceptor.FACTORY, InterceptorOrder.Component.BMT_TRANSACTION_INTERCEPTOR, false);
}
});
}
getConfigurators().add(new ComponentConfigurator() {
@Override
public void configure(final DeploymentPhaseContext context, final ComponentDescription description, final ComponentConfiguration configuration) throws DeploymentUnitProcessingException {
if (TransactionManagementType.CONTAINER.equals(getTransactionManagementType())) {
final EEApplicationClasses applicationClasses = context.getDeploymentUnit().getAttachment(Attachments.EE_APPLICATION_CLASSES_DESCRIPTION);
InterceptorClassDescription interceptorConfig = ComponentDescription.mergeInterceptorConfig(configuration.getComponentClass(), applicationClasses.getClassByName(description.getComponentClassName()), description, MetadataCompleteMarker.isMetadataComplete(context.getDeploymentUnit()));
configuration.addPostConstructInterceptor(new LifecycleCMTTxInterceptor.Factory(interceptorConfig.getPostConstruct(), true), InterceptorOrder.ComponentPostConstruct.TRANSACTION_INTERCEPTOR);
configuration.addPreDestroyInterceptor(new LifecycleCMTTxInterceptor.Factory(interceptorConfig.getPreDestroy(), true), InterceptorOrder.ComponentPreDestroy.TRANSACTION_INTERCEPTOR);
configuration.addTimeoutViewInterceptor(TimerCMTTxInterceptor.FACTORY, InterceptorOrder.View.CMT_TRANSACTION_INTERCEPTOR);
}
configuration.addTimeoutViewInterceptor(StatelessComponentInstanceAssociatingFactory.instance(), InterceptorOrder.View.ASSOCIATING_INTERCEPTOR);
}
});
return statelessComponentConfiguration;
}
@Override
public SessionBeanType getSessionBeanType() {
return SessionBeanComponentDescription.SessionBeanType.STATELESS;
}
@Override
protected void setupViewInterceptors(EJBViewDescription view) {
// let super do its job first
super.setupViewInterceptors(view);
addViewSerializationInterceptor(view);
// add the instance associating interceptor at the start of the interceptor chain
view.getConfigurators().addFirst(new ViewConfigurator() {
@Override
public void configure(DeploymentPhaseContext context, ComponentConfiguration componentConfiguration, ViewDescription description, ViewConfiguration configuration) throws DeploymentUnitProcessingException {
//add equals/hashCode interceptor
//add equals/hashCode interceptor
for (Method method : configuration.getProxyFactory().getCachedMethods()) {
if ((method.getName().equals("hashCode") && method.getParameterTypes().length == 0) ||
method.getName().equals("equals") && method.getParameterTypes().length == 1 &&
method.getParameterTypes()[0] == Object.class) {
configuration.addClientInterceptor(method, ComponentTypeIdentityInterceptorFactory.INSTANCE, InterceptorOrder.Client.EJB_EQUALS_HASHCODE);
}
}
// add the stateless component instance associating interceptor
configuration.addViewInterceptor(StatelessComponentInstanceAssociatingFactory.instance(), InterceptorOrder.View.ASSOCIATING_INTERCEPTOR);
}
});
if (view instanceof EJBViewDescription) {
EJBViewDescription ejbViewDescription = (EJBViewDescription) view;
if (ejbViewDescription.getMethodIntf() == MethodIntf.REMOTE) {
view.getConfigurators().add(new ViewConfigurator() {
@Override
public void configure(final DeploymentPhaseContext context, final ComponentConfiguration componentConfiguration, final ViewDescription description, final ViewConfiguration configuration) throws DeploymentUnitProcessingException {
final String earApplicationName = componentConfiguration.getComponentDescription().getModuleDescription().getEarApplicationName();
configuration.setViewInstanceFactory(new StatelessRemoteViewInstanceFactory(earApplicationName, componentConfiguration.getModuleName(), componentConfiguration.getComponentDescription().getModuleDescription().getDistinctName(), componentConfiguration.getComponentName()));
}
});
}
}
}
private void addViewSerializationInterceptor(final ViewDescription view) {
view.setSerializable(true);
view.setUseWriteReplace(true);
view.getConfigurators().add(new ViewConfigurator() {
@Override
public void configure(final DeploymentPhaseContext context, final ComponentConfiguration componentConfiguration, final ViewDescription description, final ViewConfiguration configuration) throws DeploymentUnitProcessingException {
final DeploymentReflectionIndex index = context.getDeploymentUnit().getAttachment(org.jboss.as.server.deployment.Attachments.REFLECTION_INDEX);
ClassReflectionIndex classIndex = index.getClassIndex(WriteReplaceInterface.class);
for (Method method : (Collection)classIndex.getMethods()) {
configuration.addClientInterceptor(method, StatelessWriteReplaceInterceptor.factory(configuration.getViewServiceName().getCanonicalName()), InterceptorOrder.Client.WRITE_REPLACE);
}
}
});
}
@Override
protected ViewConfigurator getSessionBeanObjectViewConfigurator() {
return StatelessSessionBeanObjectViewConfigurator.INSTANCE;
}
boolean isDefaultSlsbPoolAvailable() {
return defaultSlsbPoolAvailable;
}
@Override
public boolean isTimerServiceApplicable() {
return true;
}
public void setPoolConfigName(final String poolConfigName) {
this.poolConfigName = poolConfigName;
}
public String getPoolConfigName() {
return this.poolConfigName;
}
private static class PoolInjectingConfigurator implements DependencyConfigurator> {
private final StatelessComponentDescription statelessComponentDescription;
PoolInjectingConfigurator(final StatelessComponentDescription statelessComponentDescription) {
this.statelessComponentDescription = statelessComponentDescription;
}
@Override
public void configureDependency(ServiceBuilder serviceBuilder, Service service) throws DeploymentUnitProcessingException {
final StatelessSessionComponentCreateService statelessSessionComponentService = (StatelessSessionComponentCreateService) service;
final String poolName = this.statelessComponentDescription.getPoolConfigName();
// if no pool name has been explicitly set, then inject the *optional* "default slsb pool config".
// If the default slsb pool config itself is not configured, then the pooling is disabled for the bean
if (poolName == null) {
if (statelessComponentDescription.isDefaultSlsbPoolAvailable()) {
serviceBuilder.addDependency(StrictMaxPoolConfigService.DEFAULT_SLSB_POOL_CONFIG_SERVICE_NAME,
PoolConfig.class, statelessSessionComponentService.getPoolConfigInjector());
}
} else {
// pool name has been explicitly set so the pool config is a required dependency
serviceBuilder.addDependency(StrictMaxPoolConfigService.EJB_POOL_CONFIG_BASE_SERVICE_NAME.append(poolName),
PoolConfig.class, statelessSessionComponentService.getPoolConfigInjector());
}
}
}
}
