org.jboss.as.server.operations.ServerShutdownHandler Maven / Gradle / Ivy
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* JBoss, Home of Professional Open Source.
* Copyright 2011, 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.server.operations;
import org.jboss.as.controller.ControlledProcessState;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.SimpleAttributeDefinitionBuilder;
import org.jboss.as.controller.SimpleOperationDefinition;
import org.jboss.as.controller.SimpleOperationDefinitionBuilder;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.process.ExitCodes;
import org.jboss.as.server.controller.descriptions.ServerDescriptions;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* Handler that shuts down the standalone server.
*
* @author Jason T. Greene
*/
public class ServerShutdownHandler implements OperationStepHandler {
private static final SimpleAttributeDefinition RESTART = new SimpleAttributeDefinitionBuilder(ModelDescriptionConstants.RESTART, ModelType.BOOLEAN)
.setDefaultValue(new ModelNode(false))
.setAllowNull(true)
.build();
public static final SimpleOperationDefinition DEFINITION = new SimpleOperationDefinitionBuilder("shutdown", ServerDescriptions.getResourceDescriptionResolver())
.setParameters(RESTART)
.setRuntimeOnly()
.build();
private final ControlledProcessState processState;
public ServerShutdownHandler(ControlledProcessState processState) {
this.processState = processState;
}
/**
* {@inheritDoc}
*/
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
final boolean restart = RESTART.resolveModelAttribute(context, operation).asBoolean();
// Acquire the controller lock to prevent new write ops and wait until current ones are done
context.acquireControllerLock();
context.addStep(new OperationStepHandler() {
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
// Even though we don't read from the service registry, we have a reference to a
// service-fronted 'processState' so tell the controller we are modifying a service
context.getServiceRegistry(true);
context.completeStep(new OperationContext.ResultHandler() {
@Override
public void handleResult(OperationContext.ResultAction resultAction, OperationContext context, ModelNode operation) {
if(resultAction == OperationContext.ResultAction.KEEP) {
processState.setStopping();
final Thread thread = new Thread(new Runnable() {
public void run() {
System.exit(restart ? ExitCodes.RESTART_PROCESS_FROM_STARTUP_SCRIPT : ExitCodes.NORMAL);
}
});
// The intention is that this shutdown is graceful, and so the client gets a reply.
// At the time of writing we did not yet have graceful shutdown.
thread.setName("Management Triggered Shutdown");
thread.start();
}
}
});
}
}, OperationContext.Stage.RUNTIME);
context.stepCompleted();
}
}