/jboss-as-7.1.1.Final/messaging/src/main/java/org/jboss/as/messaging/MessagingPathHandlers.java

  1/*
  2 * JBoss, Home of Professional Open Source.
  3 * Copyright 2011, Red Hat, Inc., and individual contributors
  4 * as indicated by the @author tags. See the copyright.txt file in the
  5 * distribution for a full listing of individual contributors.
  6 *
  7 * This is free software; you can redistribute it and/or modify it
  8 * under the terms of the GNU Lesser General Public License as
  9 * published by the Free Software Foundation; either version 2.1 of
 10 * the License, or (at your option) any later version.
 11 *
 12 * This software is distributed in the hope that it will be useful,
 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 15 * Lesser General Public License for more details.
 16 *
 17 * You should have received a copy of the GNU Lesser General Public
 18 * License along with this software; if not, write to the Free
 19 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 20 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 21 */
 22
 23package org.jboss.as.messaging;
 24
 25import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.ADD;
 26import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP;
 27import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
 28import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.PATH;
 29import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.RELATIVE_TO;
 30import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.REMOVE;
 31
 32import java.util.EnumSet;
 33
 34import org.jboss.as.controller.AttributeDefinition;
 35import org.jboss.as.controller.OperationContext;
 36import org.jboss.as.controller.OperationFailedException;
 37import org.jboss.as.controller.OperationStepHandler;
 38import org.jboss.as.controller.PathAddress;
 39import org.jboss.as.controller.ReloadRequiredWriteAttributeHandler;
 40import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
 41import org.jboss.as.controller.registry.AttributeAccess;
 42import org.jboss.as.controller.registry.ManagementResourceRegistration;
 43import org.jboss.as.controller.registry.Resource;
 44import org.jboss.dmr.ModelNode;
 45import org.jboss.msc.service.ServiceController;
 46import org.jboss.msc.service.ServiceName;
 47
 48
 49/**
 50 * @author Emanuel Muckenhuber
 51 */
 52class MessagingPathHandlers {
 53
 54    static final AttributeDefinition[] ATTRIBUTES = new AttributeDefinition[] { CommonAttributes.PATH, CommonAttributes.RELATIVE_TO };
 55    static final OperationStepHandler PATH_ADD = new OperationStepHandler() {
 56
 57        @Override
 58        public void execute(final OperationContext context, final ModelNode operation) throws OperationFailedException {
 59            final Resource resource = context.createResource(PathAddress.EMPTY_ADDRESS);
 60            final ModelNode model = resource.getModel();
 61            for(final AttributeDefinition def : ATTRIBUTES) {
 62                def.validateAndSet(operation, model);
 63            }
 64            reloadRequiredStep(context);
 65            context.completeStep();
 66        }
 67    };
 68
 69    static final OperationStepHandler PATH_ATTR = new ReloadRequiredWriteAttributeHandler(CommonAttributes.RELATIVE_TO, CommonAttributes.PATH);
 70
 71    static final OperationStepHandler PATH_REMOVE = new OperationStepHandler() {
 72
 73        @Override
 74        public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
 75            final Resource resource = context.removeResource(PathAddress.EMPTY_ADDRESS);
 76            reloadRequiredStep(context);
 77            context.completeStep();
 78        }
 79    };
 80
 81    static void register(final ManagementResourceRegistration registration) {
 82        registration.registerOperationHandler(ADD, PATH_ADD, MessagingSubsystemProviders.PATH_ADD);
 83        registration.registerOperationHandler(REMOVE, PATH_REMOVE, MessagingSubsystemProviders.PATH_REMOVE);
 84        for(final AttributeDefinition def : ATTRIBUTES) {
 85            registration.registerReadWriteAttribute(def.getName(), null, PATH_ATTR, EnumSet.of(AttributeAccess.Flag.RESTART_ALL_SERVICES));
 86        }
 87    }
 88
 89    static ModelNode createAddOperation(final ModelNode address, final ModelNode subModel) {
 90        final ModelNode operation = new ModelNode();
 91        operation.get(OP).set(ADD);
 92        operation.get(OP_ADDR).set(address);
 93        operation.get(RELATIVE_TO).set(subModel.get(RELATIVE_TO));
 94        operation.get(PATH).set(subModel.require(PATH));
 95        return operation;
 96    }
 97
 98    static void reloadRequiredStep(final OperationContext context) {
 99        if(context.isNormalServer()) {
100            context.addStep(new OperationStepHandler() {
101                @Override
102                public void execute(final OperationContext context, final ModelNode operation) throws OperationFailedException {
103                    final ServiceName hqServiceName = MessagingServices.getHornetQServiceName(PathAddress.pathAddress(operation.get(ModelDescriptionConstants.OP_ADDR)));
104                    final ServiceController<?> controller = context.getServiceRegistry(false).getService(hqServiceName);
105                    if(controller != null) {
106                        context.reloadRequired();
107                    }
108                    context.completeStep();
109                }
110            }, OperationContext.Stage.RUNTIME);
111        }
112    }
113
114}