/*
* 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.wildfly.extension.messaging.activemq;
import static org.wildfly.extension.messaging.activemq.CommonAttributes.CONSUMER_COUNT;
import static org.wildfly.extension.messaging.activemq.CommonAttributes.DELIVERING_COUNT;
import static org.wildfly.extension.messaging.activemq.CommonAttributes.DURABLE;
import static org.wildfly.extension.messaging.activemq.CommonAttributes.FILTER;
import static org.wildfly.extension.messaging.activemq.CommonAttributes.MESSAGES_ADDED;
import static org.wildfly.extension.messaging.activemq.CommonAttributes.MESSAGE_COUNT;
import static org.wildfly.extension.messaging.activemq.CommonAttributes.PAUSED;
import static org.wildfly.extension.messaging.activemq.CommonAttributes.SCHEDULED_COUNT;
import static org.wildfly.extension.messaging.activemq.CommonAttributes.TEMPORARY;
import static org.wildfly.extension.messaging.activemq.ActiveMQActivationService.ignoreOperationIfServerNotActive;
import static org.wildfly.extension.messaging.activemq.QueueDefinition.ADDRESS;
import static org.wildfly.extension.messaging.activemq.QueueDefinition.DEAD_LETTER_ADDRESS;
import static org.wildfly.extension.messaging.activemq.QueueDefinition.EXPIRY_ADDRESS;
import static org.wildfly.extension.messaging.activemq.QueueDefinition.ID;
import static org.wildfly.extension.messaging.activemq.QueueDefinition.forwardToRuntimeQueue;
import java.util.ArrayList;
import java.util.List;
import org.apache.activemq.artemis.api.core.management.QueueControl;
import org.apache.activemq.artemis.api.core.management.ResourceNames;
import org.apache.activemq.artemis.core.server.ActiveMQServer;
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.SimpleAttributeDefinition;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.logging.ControllerLogger;
import org.jboss.as.controller.operations.validation.ParametersValidator;
import org.jboss.as.controller.operations.validation.StringLengthValidator;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.wildfly.extension.messaging.activemq.logging.MessagingLogger;
/**
* Implements the {@code read-attribute} operation for runtime attributes exposed by a ActiveMQ
* {@link QueueControl}.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class QueueReadAttributeHandler extends AbstractRuntimeOnlyHandler {
public static final QueueReadAttributeHandler INSTANCE = new QueueReadAttributeHandler(false);
public static final QueueReadAttributeHandler RUNTIME_INSTANCE = new QueueReadAttributeHandler(true);
private ParametersValidator validator = new ParametersValidator();
private final boolean readStorageAttributes;
private QueueReadAttributeHandler(final boolean readStorageAttributes) {
this.readStorageAttributes = readStorageAttributes;
validator.registerValidator(CommonAttributes.NAME, new StringLengthValidator(1));
}
@Override
protected boolean resourceMustExist(OperationContext context, ModelNode operation) {
return false;
}
@Override
public void executeRuntimeStep(OperationContext context, ModelNode operation) throws OperationFailedException {
if(ignoreOperationIfServerNotActive(context, operation)) {
return;
}
validator.validate(operation);
final String attributeName = operation.require(ModelDescriptionConstants.NAME).asString();
PathAddress address = PathAddress.pathAddress(operation.require(ModelDescriptionConstants.OP_ADDR));
String queueName = address.getLastElement().getValue();
if (forwardToRuntimeQueue(context, operation, RUNTIME_INSTANCE)) {
return;
}
final ServiceName serviceName = MessagingServices.getActiveMQServiceName(address);
ServiceController<?> service = context.getServiceRegistry(false).getService(serviceName);
ActiveMQServer server = ActiveMQServer.class.cast(service.getValue());
QueueControl control = QueueControl.class.cast(server.getManagementService().getResource(ResourceNames.CORE_QUEUE + queueName));
if (control == null) {
throw ControllerLogger.ROOT_LOGGER.managementResourceNotFound(address);
}
if (MESSAGE_COUNT.getName().equals(attributeName)) {
context.getResult().set(control.getMessageCount());
} else if (SCHEDULED_COUNT.getName().equals(attributeName)) {
context.getResult().set(control.getScheduledCount());
} else if (CONSUMER_COUNT.getName().equals(attributeName)) {
context.getResult().set(control.getConsumerCount());
} else if (DELIVERING_COUNT.getName().equals(attributeName)) {
context.getResult().set(control.getDeliveringCount());
} else if (MESSAGES_ADDED.getName().equals(attributeName)) {
context.getResult().set(control.getMessagesAdded());
} else if (ID.getName().equals(attributeName)) {
context.getResult().set(control.getID());
} else if (PAUSED.getName().equals(attributeName)) {
try {
context.getResult().set(control.isPaused());
} catch (RuntimeException e) {
throw e;
} catch (Exception e) {
throw new RuntimeException(e);
}
} else if (TEMPORARY.getName().equals(attributeName)) {
context.getResult().set(control.isTemporary());
} else if (EXPIRY_ADDRESS.getName().equals(attributeName)) {
if (control.getExpiryAddress() != null) {
context.getResult().set(control.getExpiryAddress());
}
} else if (DEAD_LETTER_ADDRESS.getName().equals(attributeName)) {
if (control.getDeadLetterAddress() != null) {
context.getResult().set(control.getDeadLetterAddress());
}
} else if (readStorageAttributes && getStorageAttributeNames().contains(attributeName)) {
if (ADDRESS.getName().equals(attributeName)) {
context.getResult().set(control.getAddress());
} else if (DURABLE.getName().equals(attributeName)) {
context.getResult().set(control.isDurable());
} else if (FILTER.getName().equals(attributeName)) {
ModelNode result = context.getResult();
String filter = control.getFilter();
if (filter != null) {
result.set(filter);
}
}
} else {
throw MessagingLogger.ROOT_LOGGER.unsupportedAttribute(attributeName);
}
}
private static List<String> getStorageAttributeNames() {
List<String> names = new ArrayList<String>();
for (SimpleAttributeDefinition attr : QueueDefinition.ATTRIBUTES) {
names.add(attr.getName());
}
return names;
}
}