/*
* JBoss, Home of Professional Open Source.
* Copyright 2014, 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.domain.management.controller;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.ACTIVE_OPERATION;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.CORE;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.MANAGEMENT_OPERATIONS;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import java.util.EnumSet;
import org.jboss.as.controller.Cancellable;
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.PathAddress;
import org.jboss.as.controller.SimpleOperationDefinitionBuilder;
import org.jboss.as.controller.access.Action;
import org.jboss.as.controller.access.AuthorizationResult;
import org.jboss.as.controller.logging.ControllerLogger;
import org.jboss.as.controller.registry.OperationEntry;
import org.jboss.as.controller.registry.Resource;
import org.jboss.as.domain.management.logging.DomainManagementLogger;
import org.jboss.as.domain.management._private.DomainManagementResolver;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* {@link org.jboss.as.controller.OperationStepHandler} to cancel an
* {@link org.jboss.as.domain.management.controller.ActiveOperationResourceDefinition active operation}.
*
* @author Brian Stansberry (c) 2014 Red Hat Inc.
*/
public class CancelActiveOperationHandler implements OperationStepHandler {
static final OperationDefinition DEFINITION = new SimpleOperationDefinitionBuilder("cancel",
DomainManagementResolver.getResolver(CORE, MANAGEMENT_OPERATIONS, ACTIVE_OPERATION))
.setReplyType(ModelType.BOOLEAN)
.withFlag(OperationEntry.Flag.HOST_CONTROLLER_ONLY)
.setRuntimeOnly()
.build();
static final OperationStepHandler INSTANCE = new CancelActiveOperationHandler();
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
DomainManagementLogger.ROOT_LOGGER.debugf("Cancel of %s requested", PathAddress.pathAddress(operation.get(OP_ADDR)).getLastElement().getValue());
AuthorizationResult authorizationResult = context.authorize(operation, EnumSet.of(Action.ActionEffect.WRITE_RUNTIME));
if (authorizationResult.getDecision() == AuthorizationResult.Decision.DENY) {
throw ControllerLogger.ACCESS_LOGGER.unauthorized(operation.get(OP).asString(),
PathAddress.pathAddress(operation.get(OP_ADDR)), authorizationResult.getExplanation());
}
context.addStep(new OperationStepHandler() {
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
boolean cancelled = false;
try {
Cancellable cancellable = Cancellable.class.cast(context.readResource(PathAddress.EMPTY_ADDRESS));
DomainManagementLogger.ROOT_LOGGER.debugf("Cancelling %s", cancellable);
cancelled = cancellable.cancel();
} catch (Resource.NoSuchResourceException nsre) {
// resource is gone; return 'false'
}
context.getResult().set(cancelled);
context.completeStep(OperationContext.RollbackHandler.NOOP_ROLLBACK_HANDLER);
}
}, OperationContext.Stage.RUNTIME);
}
}