| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.brooklyn.entity.messaging.qpid; |
| |
| import static java.lang.String.format; |
| |
| import javax.management.MalformedObjectNameException; |
| import javax.management.ObjectName; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.apache.brooklyn.entity.java.UsesJmx; |
| import org.apache.brooklyn.entity.messaging.amqp.AmqpServer; |
| import org.apache.brooklyn.entity.messaging.jms.JMSDestinationImpl; |
| import org.apache.brooklyn.feed.jmx.JmxFeed; |
| import org.apache.brooklyn.feed.jmx.JmxHelper; |
| import org.apache.brooklyn.util.core.flags.SetFromFlag; |
| import org.apache.brooklyn.util.exceptions.Exceptions; |
| |
| public abstract class QpidDestinationImpl extends JMSDestinationImpl implements QpidDestination { |
| public static final Logger log = LoggerFactory.getLogger(QpidDestination.class); |
| |
| @SetFromFlag |
| String virtualHost; |
| |
| protected ObjectName virtualHostManager; |
| protected ObjectName exchange; |
| protected transient JmxHelper jmxHelper; |
| protected volatile JmxFeed jmxFeed; |
| |
| public QpidDestinationImpl() { |
| } |
| |
| @Override |
| public QpidBroker getParent() { |
| return (QpidBroker) super.getParent(); |
| } |
| |
| @Override |
| public void onManagementStarting() { |
| super.onManagementStarting(); |
| |
| // TODO Would be nice to share the JmxHelper for all destinations, so just one connection. |
| // But tricky for if brooklyn were distributed |
| try { |
| if (virtualHost == null) virtualHost = getConfig(QpidBroker.VIRTUAL_HOST_NAME); |
| sensors().set(QpidBroker.VIRTUAL_HOST_NAME, virtualHost); |
| virtualHostManager = new ObjectName(format("org.apache.qpid:type=VirtualHost.VirtualHostManager,VirtualHost=\"%s\"", virtualHost)); |
| jmxHelper = new JmxHelper(getParent()); |
| } catch (MalformedObjectNameException e) { |
| throw Exceptions.propagate(e); |
| } |
| } |
| |
| @Override |
| protected void disconnectSensors() { |
| if (jmxFeed != null) jmxFeed.stop(); |
| } |
| |
| @Override |
| public void create() { |
| jmxHelper.operation(virtualHostManager, "createNewQueue", getName(), getParent().getAttribute(UsesJmx.JMX_USER), true); |
| jmxHelper.operation(exchange, "createNewBinding", getName(), getName()); |
| connectSensors(); |
| } |
| |
| @Override |
| public void delete() { |
| jmxHelper.operation(exchange, "removeBinding", getName(), getName()); |
| jmxHelper.operation(virtualHostManager, "deleteQueue", getName()); |
| disconnectSensors(); |
| } |
| |
| @Override |
| public String getQueueName() { |
| |
| if (AmqpServer.AMQP_0_10.equals(getParent().getAmqpVersion())) { |
| return String.format("'%s'/'%s'; { assert: never }", getExchangeName(), getName()); |
| } else { |
| return getName(); |
| } |
| } |
| } |