/*
* JBoss, Home of Professional Open Source.
* Copyright 2012, 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.service;
import java.lang.reflect.Method;
import java.util.List;
import java.util.concurrent.RejectedExecutionException;
import org.jboss.as.naming.ManagedReference;
import org.jboss.as.server.deployment.SetupAction;
import org.jboss.as.service.component.ServiceComponentInstantiator;
import org.jboss.as.service.logging.SarLogger;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
/**
* Service wrapper for legacy JBoss services that controls the service create and destroy lifecycle.
*
* @author John E. Bailey
* @author <a href="mailto:ropalka@redhat.com">Richard Opalka</a>
* @author Eduardo Martins
*/
final class CreateDestroyService extends AbstractService {
private final Method createMethod;
private final Method destroyMethod;
private final ServiceComponentInstantiator componentInstantiator;
private ManagedReference managedReference;
CreateDestroyService(final Object mBeanInstance, final Method createMethod, final Method destroyMethod, ServiceComponentInstantiator componentInstantiator,
List<SetupAction> setupActions, final ClassLoader mbeanContextClassLoader) {
super(mBeanInstance, setupActions, mbeanContextClassLoader);
this.createMethod = createMethod;
this.destroyMethod = destroyMethod;
this.componentInstantiator = componentInstantiator;
}
/** {@inheritDoc} */
public void start(final StartContext context) throws StartException {
if (SarLogger.ROOT_LOGGER.isTraceEnabled()) {
SarLogger.ROOT_LOGGER.tracef("Creating Service: %s", context.getController().getName());
}
final Runnable task = new Runnable() {
@Override
public void run() {
try {
invokeLifecycleMethod(createMethod, context);
if (componentInstantiator != null) {
managedReference = componentInstantiator.initializeInstance(getValue());
}
context.complete();
} catch (Throwable e) {
context.failed(new StartException(SarLogger.ROOT_LOGGER.failedExecutingLegacyMethod("create()"), e));
}
}
};
try {
executor.getValue().submit(task);
} catch (RejectedExecutionException e) {
task.run();
} finally {
context.asynchronous();
}
}
/** {@inheritDoc} */
public void stop(final StopContext context) {
if (SarLogger.ROOT_LOGGER.isTraceEnabled()) {
SarLogger.ROOT_LOGGER.tracef("Destroying Service: %s", context.getController().getName());
}
final Runnable task = new Runnable() {
@Override
public void run() {
try {
if(managedReference != null) {
managedReference.release();
}
invokeLifecycleMethod(destroyMethod, context);
} catch (Exception e) {
SarLogger.ROOT_LOGGER.error(SarLogger.ROOT_LOGGER.failedExecutingLegacyMethod("destroy()"), e);
} finally {
context.complete();
}
}
};
try {
executor.getValue().submit(task);
} catch (RejectedExecutionException e) {
task.run();
} finally {
context.asynchronous();
}
}
}