/*
* 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.messaging;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.ADD;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import static org.jboss.as.messaging.MessagingMessages.MESSAGES;
import java.util.Locale;
import org.hornetq.api.core.SimpleString;
import org.hornetq.core.config.Configuration;
import org.hornetq.core.server.group.impl.GroupingHandlerConfiguration;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.descriptions.DescriptionProvider;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.registry.Resource;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.Property;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceRegistry;
/**
* Handler for adding a broadcast group.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class GroupingHandlerAdd implements OperationStepHandler, DescriptionProvider {
/**
* Create an "add" operation using the existing model
*/
public static ModelNode getAddOperation(final ModelNode address, ModelNode subModel) {
final ModelNode operation = org.jboss.as.controller.operations.common.Util.getOperation(ADD, address, subModel);
return operation;
}
public static final GroupingHandlerAdd INSTANCE = new GroupingHandlerAdd();
private GroupingHandlerAdd() {
}
@Override
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
PathAddress ourAddress = PathAddress.pathAddress(operation.require(OP_ADDR));
final Resource subsystemRootResource = context.readResourceFromRoot(ourAddress.subAddress(0, ourAddress.size() - 1));
if (subsystemRootResource.hasChildren(CommonAttributes.GROUPING_HANDLER)) {
throw new OperationFailedException(new ModelNode().set(MESSAGES.childResourceAlreadyExists(CommonAttributes.GROUPING_HANDLER)));
}
final Resource resource = context.createResource(PathAddress.EMPTY_ADDRESS);
final ModelNode model = resource.getModel();
for (final AttributeDefinition attributeDefinition : CommonAttributes.GROUPING_HANDLER_ATTRIBUTES) {
attributeDefinition.validateAndSet(operation, model);
}
if (context.isNormalServer()) {
context.addStep(new OperationStepHandler() {
public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
ServiceRegistry registry = context.getServiceRegistry(false);
final ServiceName hqServiceName = MessagingServices.getHornetQServiceName(PathAddress.pathAddress(operation.get(ModelDescriptionConstants.OP_ADDR)));
ServiceController<?> hqService = registry.getService(hqServiceName);
if (hqService != null) {
context.reloadRequired();
}
// else MessagingSubsystemAdd will add a handler that calls addBroadcastGroupConfigs
if (context.completeStep() == OperationContext.ResultAction.ROLLBACK) {
context.revertReloadRequired();
}
}
}, OperationContext.Stage.RUNTIME);
}
context.completeStep();
}
@Override
public ModelNode getModelDescription(Locale locale) {
return MessagingDescriptions.getGroupingHandlerAdd(locale);
}
static void addGroupingHandlerConfig(final OperationContext context, final Configuration configuration, final ModelNode model) throws OperationFailedException {
if (model.hasDefined(CommonAttributes.GROUPING_HANDLER)) {
Property prop = model.get(CommonAttributes.GROUPING_HANDLER).asProperty();
configuration.setGroupingHandlerConfiguration(createGroupingHandlerConfiguration(context, prop.getName(), prop.getValue()));
}
}
static GroupingHandlerConfiguration createGroupingHandlerConfiguration(final OperationContext context, final String name, final ModelNode model) throws OperationFailedException {
final GroupingHandlerConfiguration.TYPE type = GroupingHandlerConfiguration.TYPE.valueOf(CommonAttributes.TYPE.resolveModelAttribute(context, model).asString());
final String address = CommonAttributes.GROUPING_HANDLER_ADDRESS.resolveModelAttribute(context, model).asString();
final int timeout = CommonAttributes.TIMEOUT.resolveModelAttribute(context, model).asInt();
return new GroupingHandlerConfiguration(SimpleString.toSimpleString(name), type, SimpleString.toSimpleString(address), timeout);
}
}