/*
* 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.jms;
import static org.jboss.as.messaging.CommonAttributes.FACTORY_TYPE;
import static org.jboss.as.messaging.CommonAttributes.HA;
import static org.jboss.as.messaging.CommonAttributes.INITIAL_MESSAGE_PACKET_SIZE;
import static org.jboss.as.messaging.CommonAttributes.NAME;
import static org.jboss.as.messaging.MessagingMessages.MESSAGES;
import java.util.Arrays;
import java.util.List;
import org.hornetq.api.core.management.ResourceNames;
import org.hornetq.api.jms.management.ConnectionFactoryControl;
import org.hornetq.core.server.HornetQServer;
import org.jboss.as.controller.AbstractRuntimeOnlyHandler;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.operations.validation.ParametersValidator;
import org.jboss.as.controller.operations.validation.StringLengthValidator;
import org.jboss.as.controller.registry.AttributeAccess;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.as.messaging.MessagingServices;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
/**
* Implements the {@code read-attribute} operation for runtime attributes exposed by a HornetQ
* {@link org.hornetq.api.jms.management.ConnectionFactoryControl}.
*
* <strong>THIS SHOULD NOT INCLUDE ATTRIBUTES THAT ARE PART OF THE PERSISTENT CONFIGURATION. Those are
* handled by {@link ConnectionFactoryWriteAttributeHandler}, since <i>all</i> persistent attributes
* are writable (even those that require a restart to take effect in the runtime.)</strong>
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class ConnectionFactoryReadAttributeHandler extends AbstractRuntimeOnlyHandler {
public static final ConnectionFactoryReadAttributeHandler INSTANCE = new ConnectionFactoryReadAttributeHandler();
public static final List<String> READ_ATTRIBUTES = Arrays.asList( FACTORY_TYPE, INITIAL_MESSAGE_PACKET_SIZE );
private ParametersValidator validator = new ParametersValidator();
private ConnectionFactoryReadAttributeHandler() {
validator.registerValidator(NAME, new StringLengthValidator(1));
}
@Override
public void executeRuntimeStep(OperationContext context, ModelNode operation) throws OperationFailedException {
validator.validate(operation);
final String attributeName = operation.require(ModelDescriptionConstants.NAME).asString();
String factoryName = PathAddress.pathAddress(operation.require(ModelDescriptionConstants.OP_ADDR)).getLastElement().getValue();
final ServiceName hqServiceName = MessagingServices.getHornetQServiceName(PathAddress.pathAddress(operation.get(ModelDescriptionConstants.OP_ADDR)));
ServiceController<?> hqService = context.getServiceRegistry(false).getService(hqServiceName);
HornetQServer hqServer = HornetQServer.class.cast(hqService.getValue());
ConnectionFactoryControl control = ConnectionFactoryControl.class.cast(hqServer.getManagementService().getResource(ResourceNames.JMS_CONNECTION_FACTORY + factoryName));
if (HA.getName().equals(attributeName)) {
context.getResult().set(control.isHA());
} else if (FACTORY_TYPE.equals(attributeName)) {
context.getResult().set(control.getFactoryType());
} else if (INITIAL_MESSAGE_PACKET_SIZE.equals(attributeName)) {
context.getResult().set(control.getInitialMessagePacketSize());
} else if (READ_ATTRIBUTES.contains(attributeName)) {
// Bug
throw MESSAGES.unsupportedAttribute(attributeName);
}
context.completeStep();
}
public void registerAttributes(final ManagementResourceRegistration registration) {
for (String attr : READ_ATTRIBUTES) {
registration.registerReadOnlyAttribute(attr, this, AttributeAccess.Storage.RUNTIME);
}
}
}