/*
* 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.OperationContext;
import org.jboss.as.controller.OperationDefinition;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.SimpleOperationDefinition;
import org.jboss.as.controller.SimpleOperationDefinitionBuilder;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.registry.OperationEntry;
import org.jboss.as.server.controller.descriptions.ServerDescriptions;
import org.jboss.as.server.suspend.SuspendController;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceRegistry;
/**
* Handler that suspends server operations
*
* @author Stuart Douglas
*/
public class ServerResumeHandler implements OperationStepHandler {
protected static final String OPERATION_NAME = ModelDescriptionConstants.RESUME;
public static final ServerResumeHandler INSTANCE = new ServerResumeHandler();
public static final SimpleOperationDefinition DEFINITION = new SimpleOperationDefinitionBuilder(ModelDescriptionConstants.RESUME, ServerDescriptions.getResourceDescriptionResolver())
.setRuntimeOnly()
.build();
public static final OperationDefinition DOMAIN_DEFINITION = new SimpleOperationDefinitionBuilder(OPERATION_NAME, ServerDescriptions.getResourceDescriptionResolver())
.setPrivateEntry() // For now
.withFlags(OperationEntry.Flag.HOST_CONTROLLER_ONLY, OperationEntry.Flag.RUNTIME_ONLY)
.build();
/**
* {@inheritDoc}
*/
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
// 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
final ServiceRegistry registry = context.getServiceRegistry(true);
context.completeStep(new OperationContext.ResultHandler() {
@Override
public void handleResult(OperationContext.ResultAction resultAction, OperationContext context, ModelNode operation) {
if(resultAction == OperationContext.ResultAction.KEEP) {
//even if the timeout is zero we still pause the server
//to stop new requests being accepted as it is shutting down
ServiceController<SuspendController> shutdownController = (ServiceController<SuspendController>) registry.getRequiredService(SuspendController.SERVICE_NAME);
shutdownController.getValue().resume();
}
}
});
}
}, OperationContext.Stage.RUNTIME);
}
}