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* 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.ejb3.timerservice;
import java.io.Serializable;
import java.lang.reflect.Method;
import java.util.HashMap;
import java.util.Map;
import org.jboss.as.ee.component.Component;
import org.jboss.as.ee.component.interceptors.InvocationType;
import org.jboss.as.ejb3.EjbMessages;
import org.jboss.as.ejb3.component.EJBComponent;
import org.jboss.as.ejb3.component.MethodIntf;
import org.jboss.as.ejb3.component.entity.EntityBeanComponent;
import org.jboss.as.ejb3.timerservice.spi.TimedObjectInvoker;
import org.jboss.invocation.Interceptor;
import org.jboss.invocation.InterceptorContext;
import org.jboss.invocation.InterceptorFactory;
import org.jboss.invocation.SimpleInterceptorFactoryContext;
import org.jboss.modules.Module;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
/**
* Timed object invoker for an EJB. This is analogous to a view service for timer invocations
*
* @author Stuart Douglas
*/
public class TimedObjectInvokerImpl implements TimedObjectInvoker, Serializable, Service<TimedObjectInvoker> {
public static final ServiceName SERVICE_NAME = ServiceName.of("TimedObjectInvoker");
private final InjectedValue<EJBComponent> ejbComponent = new InjectedValue<EJBComponent>();
private final Module module;
private volatile boolean started = false;
/**
* String that uniquely identifies a deployment
*/
private final String deploymentString;
private Map<Method, Interceptor> timeoutInterceptors;
public TimedObjectInvokerImpl(final String deploymentString, final Module module) {
this.deploymentString = deploymentString;
this.module = module;
}
@Override
public void callTimeout(final TimerImpl timer, final Method timeoutMethod) throws Exception {
if(!started) {
//this can happen if an invocation has been triggered as the deployment is shutting down
throw EjbMessages.MESSAGES.timerInvocationFailedDueToInvokerNotBeingStarted();
}
final Interceptor interceptor = timeoutInterceptors.get(timeoutMethod);
if(interceptor == null) {
throw EjbMessages.MESSAGES.failToInvokeTimeout(timeoutMethod);
}
final InterceptorContext context = new InterceptorContext();
context.setContextData(new HashMap<String, Object>());
context.setMethod(timeoutMethod);
if(timeoutMethod.getParameterTypes().length == 0) {
context.setParameters(new Object[0]);
} else {
final Object[] params = new Object[1];
params[0] = timer;
context.setParameters(params);
}
context.setTimer(timer);
if(timer.getPrimaryKey() != null) {
context.putPrivateData(EntityBeanComponent.PRIMARY_KEY_CONTEXT_KEY, timer.getPrimaryKey());
}
context.putPrivateData(Component.class, ejbComponent.getValue());
context.putPrivateData(MethodIntf.class, MethodIntf.TIMER);
context.putPrivateData(InvocationType.class, InvocationType.TIMER);
interceptor.processInvocation(context);
}
@Override
public String getTimedObjectId() {
return deploymentString + "." + ejbComponent.getValue().getComponentName();
}
@Override
public void callTimeout(final TimerImpl timer) throws Exception {
callTimeout(timer, ejbComponent.getValue().getTimeoutMethod());
}
@Override
public ClassLoader getClassLoader() {
return module.getClassLoader();
}
@Override
public synchronized void start(final StartContext context) throws StartException {
SimpleInterceptorFactoryContext factoryContext = new SimpleInterceptorFactoryContext();
factoryContext.getContextData().put(Component.class, ejbComponent.getValue());
Map<Method, Interceptor> interceptors = new HashMap<Method, Interceptor>();
for(Map.Entry<Method, InterceptorFactory> entry : ejbComponent.getValue().getTimeoutInterceptors().entrySet()) {
interceptors.put(entry.getKey(), entry.getValue().create(factoryContext));
}
this.timeoutInterceptors = interceptors;
started = true;
}
@Override
public synchronized void stop(final StopContext context) {
started = false;
}
@Override
public synchronized TimedObjectInvoker getValue() throws IllegalStateException, IllegalArgumentException {
return this;
}
public InjectedValue<EJBComponent> getEjbComponent() {
return ejbComponent;
}
}