| /* |
| * 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 java.io.IOException; |
| import java.util.Map; |
| import java.util.concurrent.TimeUnit; |
| |
| import javax.management.MalformedObjectNameException; |
| import javax.management.ObjectName; |
| |
| import org.apache.brooklyn.api.entity.EntitySpec; |
| import org.apache.brooklyn.core.entity.Entities; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.apache.brooklyn.entity.java.JmxSupport; |
| import org.apache.brooklyn.entity.messaging.jms.JMSBrokerImpl; |
| import org.apache.brooklyn.feed.jmx.JmxAttributePollConfig; |
| import org.apache.brooklyn.feed.jmx.JmxFeed; |
| import org.apache.brooklyn.feed.jmx.JmxHelper; |
| import org.apache.brooklyn.util.exceptions.Exceptions; |
| |
| import com.google.common.base.Function; |
| import com.google.common.base.Functions; |
| import com.google.common.base.Objects.ToStringHelper; |
| |
| /** |
| * An {@link org.apache.brooklyn.api.entity.Entity} that represents a single Qpid broker instance, using AMQP 0-10. |
| */ |
| public class QpidBrokerImpl extends JMSBrokerImpl<QpidQueue, QpidTopic> implements QpidBroker { |
| private static final Logger log = LoggerFactory.getLogger(QpidBrokerImpl.class); |
| |
| private volatile JmxFeed jmxFeed; |
| |
| public QpidBrokerImpl() { |
| super(); |
| } |
| |
| @Override |
| public String getVirtualHost() { return getAttribute(VIRTUAL_HOST_NAME); } |
| @Override |
| public String getAmqpVersion() { return getAttribute(AMQP_VERSION); } |
| @Override |
| public Integer getAmqpPort() { return getAttribute(AMQP_PORT); } |
| |
| @Override |
| public void setBrokerUrl() { |
| String urlFormat = "amqp://guest:guest@/%s?brokerlist='tcp://%s:%d'"; |
| sensors().set(BROKER_URL, format(urlFormat, getAttribute(VIRTUAL_HOST_NAME), getAttribute(HOSTNAME), getAttribute(AMQP_PORT))); |
| } |
| |
| @Override |
| public void init() { |
| super.init(); |
| new JmxSupport(this, null).recommendJmxRmiCustomAgent(); |
| } |
| |
| @Override |
| public void waitForServiceUp(long duration, TimeUnit units) { |
| super.waitForServiceUp(duration, units); |
| |
| // Also wait for the MBean to exist (as used when creating queue/topic) |
| JmxHelper helper = new JmxHelper(this); |
| try { |
| String virtualHost = getConfig(QpidBroker.VIRTUAL_HOST_NAME); |
| ObjectName virtualHostManager = new ObjectName(format("org.apache.qpid:type=VirtualHost.VirtualHostManager,VirtualHost=\"%s\"", virtualHost)); |
| helper.connect(); |
| helper.assertMBeanExistsEventually(virtualHostManager, units.toMillis(duration)); |
| } catch (MalformedObjectNameException e) { |
| throw Exceptions.propagate(e); |
| } catch (IOException e) { |
| throw Exceptions.propagate(e); |
| } finally { |
| if (helper != null) helper.terminate(); |
| } |
| } |
| |
| @Override |
| public QpidQueue createQueue(Map properties) { |
| QpidQueue result = addChild(EntitySpec.create(QpidQueue.class).configure(properties)); |
| result.create(); |
| return result; |
| } |
| |
| @Override |
| public QpidTopic createTopic(Map properties) { |
| QpidTopic result = addChild(EntitySpec.create(QpidTopic.class).configure(properties)); |
| result.create(); |
| return result; |
| } |
| |
| @Override |
| public Class getDriverInterface() { |
| return QpidDriver.class; |
| } |
| |
| @Override |
| protected void connectSensors() { |
| super.connectSensors(); |
| String serverInfoMBeanName = "org.apache.qpid:type=ServerInformation,name=ServerInformation"; |
| |
| jmxFeed = JmxFeed.builder() |
| .entity(this) |
| .period(500, TimeUnit.MILLISECONDS) |
| .pollAttribute(new JmxAttributePollConfig<Boolean>(SERVICE_UP) |
| .objectName(serverInfoMBeanName) |
| .attributeName("ProductVersion") |
| .onSuccess(new Function<Object,Boolean>() { |
| private boolean hasWarnedOfVersionMismatch; |
| @Override public Boolean apply(Object input) { |
| if (input == null) return false; |
| if (!hasWarnedOfVersionMismatch && !getConfig(QpidBroker.SUGGESTED_VERSION).equals(input)) { |
| log.warn("Qpid version mismatch: ProductVersion is {}, requested version is {}", input, getConfig(QpidBroker.SUGGESTED_VERSION)); |
| hasWarnedOfVersionMismatch = true; |
| } |
| return true; |
| }}) |
| .onException(Functions.constant(false)) |
| .suppressDuplicates(true)) |
| .build(); |
| } |
| |
| @Override |
| public void disconnectSensors() { |
| super.disconnectSensors(); |
| if (jmxFeed != null) jmxFeed.stop(); |
| } |
| |
| @Override |
| protected ToStringHelper toStringHelper() { |
| return super.toStringHelper().add("amqpPort", getAmqpPort()); |
| } |
| } |