001 /**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.activemq.broker.region;
018
019 import java.io.IOException;
020 import java.util.Set;
021 import org.apache.activemq.advisory.AdvisorySupport;
022 import org.apache.activemq.broker.BrokerService;
023 import org.apache.activemq.broker.ConnectionContext;
024 import org.apache.activemq.broker.region.policy.PolicyEntry;
025 import org.apache.activemq.command.ActiveMQDestination;
026 import org.apache.activemq.command.ActiveMQQueue;
027 import org.apache.activemq.command.ActiveMQTempDestination;
028 import org.apache.activemq.command.ActiveMQTopic;
029 import org.apache.activemq.command.SubscriptionInfo;
030 import org.apache.activemq.store.MessageStore;
031 import org.apache.activemq.store.PersistenceAdapter;
032 import org.apache.activemq.store.TopicMessageStore;
033 import org.apache.activemq.thread.TaskRunnerFactory;
034
035 /**
036 * Creates standard ActiveMQ implementations of
037 * {@link org.apache.activemq.broker.region.Destination}.
038 *
039 * @author fateev@amazon.com
040 *
041 */
042 public class DestinationFactoryImpl extends DestinationFactory {
043
044 protected final TaskRunnerFactory taskRunnerFactory;
045 protected final PersistenceAdapter persistenceAdapter;
046 protected RegionBroker broker;
047 private final BrokerService brokerService;
048
049 public DestinationFactoryImpl(BrokerService brokerService, TaskRunnerFactory taskRunnerFactory, PersistenceAdapter persistenceAdapter) {
050 this.brokerService = brokerService;
051 this.taskRunnerFactory = taskRunnerFactory;
052 if (persistenceAdapter == null) {
053 throw new IllegalArgumentException("null persistenceAdapter");
054 }
055 this.persistenceAdapter = persistenceAdapter;
056 }
057
058 @Override
059 public void setRegionBroker(RegionBroker broker) {
060 if (broker == null) {
061 throw new IllegalArgumentException("null broker");
062 }
063 this.broker = broker;
064 }
065
066 @Override
067 public Set<ActiveMQDestination> getDestinations() {
068 return persistenceAdapter.getDestinations();
069 }
070
071 /**
072 * @return instance of {@link Queue} or {@link Topic}
073 */
074 @Override
075 public Destination createDestination(ConnectionContext context, ActiveMQDestination destination, DestinationStatistics destinationStatistics) throws Exception {
076 if (destination.isQueue()) {
077 if (destination.isTemporary()) {
078 final ActiveMQTempDestination tempDest = (ActiveMQTempDestination)destination;
079 Queue queue = new TempQueue(brokerService, destination, null, destinationStatistics, taskRunnerFactory);
080 queue.initialize();
081 return queue;
082 } else {
083 MessageStore store = persistenceAdapter.createQueueMessageStore((ActiveMQQueue)destination);
084 Queue queue = new Queue(brokerService, destination, store, destinationStatistics, taskRunnerFactory);
085 configureQueue(queue, destination);
086 queue.initialize();
087 return queue;
088 }
089 } else if (destination.isTemporary()) {
090
091 Topic topic = new Topic(brokerService, destination, null, destinationStatistics, taskRunnerFactory);
092 topic.initialize();
093 return topic;
094 } else {
095 TopicMessageStore store = null;
096 if (!AdvisorySupport.isAdvisoryTopic(destination)) {
097 store = persistenceAdapter.createTopicMessageStore((ActiveMQTopic)destination);
098 }
099 Topic topic = new Topic(brokerService, destination, store, destinationStatistics, taskRunnerFactory);
100 configureTopic(topic, destination);
101 topic.initialize();
102 return topic;
103 }
104 }
105
106 @Override
107 public void removeDestination(Destination dest) {
108 ActiveMQDestination destination = dest.getActiveMQDestination();
109 if (!destination.isTemporary()) {
110 if (destination.isQueue()) {
111 persistenceAdapter.removeQueueMessageStore((ActiveMQQueue) destination);
112 }
113 else if (!AdvisorySupport.isAdvisoryTopic(destination)) {
114 persistenceAdapter.removeTopicMessageStore((ActiveMQTopic) destination);
115 }
116 }
117 }
118
119 protected void configureQueue(Queue queue, ActiveMQDestination destination) {
120 if (broker == null) {
121 throw new IllegalStateException("broker property is not set");
122 }
123 if (broker.getDestinationPolicy() != null) {
124 PolicyEntry entry = broker.getDestinationPolicy().getEntryFor(destination);
125 if (entry != null) {
126 entry.configure(broker,queue);
127 }
128 }
129 }
130
131 protected void configureTopic(Topic topic, ActiveMQDestination destination) {
132 if (broker == null) {
133 throw new IllegalStateException("broker property is not set");
134 }
135 if (broker.getDestinationPolicy() != null) {
136 PolicyEntry entry = broker.getDestinationPolicy().getEntryFor(destination);
137 if (entry != null) {
138 entry.configure(broker,topic);
139 }
140 }
141 }
142
143 @Override
144 public long getLastMessageBrokerSequenceId() throws IOException {
145 return persistenceAdapter.getLastMessageBrokerSequenceId();
146 }
147
148 public PersistenceAdapter getPersistenceAdapter() {
149 return persistenceAdapter;
150 }
151
152 @Override
153 public SubscriptionInfo[] getAllDurableSubscriptions(ActiveMQTopic topic) throws IOException {
154 return persistenceAdapter.createTopicMessageStore(topic).getAllSubscriptions();
155 }
156 }