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 */ 017package org.apache.activemq.broker; 018 019import java.net.URI; 020import java.util.Map; 021import java.util.Set; 022import java.util.concurrent.ThreadPoolExecutor; 023import java.util.concurrent.atomic.AtomicReference; 024 025import org.apache.activemq.broker.region.Destination; 026import org.apache.activemq.broker.region.MessageReference; 027import org.apache.activemq.broker.region.Subscription; 028import org.apache.activemq.broker.region.virtual.VirtualDestination; 029import org.apache.activemq.command.ActiveMQDestination; 030import org.apache.activemq.command.BrokerId; 031import org.apache.activemq.command.BrokerInfo; 032import org.apache.activemq.command.ConnectionInfo; 033import org.apache.activemq.command.ConsumerControl; 034import org.apache.activemq.command.ConsumerInfo; 035import org.apache.activemq.command.DestinationInfo; 036import org.apache.activemq.command.Message; 037import org.apache.activemq.command.MessageAck; 038import org.apache.activemq.command.MessageDispatch; 039import org.apache.activemq.command.MessageDispatchNotification; 040import org.apache.activemq.command.MessagePull; 041import org.apache.activemq.command.ProducerInfo; 042import org.apache.activemq.command.RemoveSubscriptionInfo; 043import org.apache.activemq.command.Response; 044import org.apache.activemq.command.SessionInfo; 045import org.apache.activemq.command.TransactionId; 046import org.apache.activemq.store.PListStore; 047import org.apache.activemq.thread.Scheduler; 048import org.apache.activemq.usage.Usage; 049 050/** 051 * Like a BrokerFilter but it allows you to switch the getNext().broker. This 052 * has more overhead than a BrokerFilter since access to the getNext().broker 053 * has to synchronized since it is mutable 054 * 055 * 056 */ 057public class MutableBrokerFilter implements Broker { 058 059 protected AtomicReference<Broker> next = new AtomicReference<Broker>(); 060 061 public MutableBrokerFilter(Broker next) { 062 this.next.set(next); 063 } 064 065 @Override 066 public Broker getAdaptor(Class type) { 067 if (type.isInstance(this)) { 068 return this; 069 } 070 return next.get().getAdaptor(type); 071 } 072 073 public Broker getNext() { 074 return next.get(); 075 } 076 077 public void setNext(Broker next) { 078 this.next.set(next); 079 } 080 081 @Override 082 public Map<ActiveMQDestination, Destination> getDestinationMap() { 083 return getNext().getDestinationMap(); 084 } 085 086 @Override 087 public Map<ActiveMQDestination, Destination> getDestinationMap(ActiveMQDestination destination) { 088 return getNext().getDestinationMap(destination); 089 } 090 091 @Override 092 public Set getDestinations(ActiveMQDestination destination) { 093 return getNext().getDestinations(destination); 094 } 095 096 @Override 097 public void acknowledge(ConsumerBrokerExchange consumerExchange, MessageAck ack) throws Exception { 098 getNext().acknowledge(consumerExchange, ack); 099 } 100 101 @Override 102 public void addConnection(ConnectionContext context, ConnectionInfo info) throws Exception { 103 getNext().addConnection(context, info); 104 } 105 106 @Override 107 public Subscription addConsumer(ConnectionContext context, ConsumerInfo info) throws Exception { 108 return getNext().addConsumer(context, info); 109 } 110 111 @Override 112 public void addProducer(ConnectionContext context, ProducerInfo info) throws Exception { 113 getNext().addProducer(context, info); 114 } 115 116 @Override 117 public void commitTransaction(ConnectionContext context, TransactionId xid, boolean onePhase) throws Exception { 118 getNext().commitTransaction(context, xid, onePhase); 119 } 120 121 @Override 122 public void removeSubscription(ConnectionContext context, RemoveSubscriptionInfo info) throws Exception { 123 getNext().removeSubscription(context, info); 124 } 125 126 @Override 127 public TransactionId[] getPreparedTransactions(ConnectionContext context) throws Exception { 128 return getNext().getPreparedTransactions(context); 129 } 130 131 @Override 132 public int prepareTransaction(ConnectionContext context, TransactionId xid) throws Exception { 133 return getNext().prepareTransaction(context, xid); 134 } 135 136 @Override 137 public void removeConnection(ConnectionContext context, ConnectionInfo info, Throwable error) throws Exception { 138 getNext().removeConnection(context, info, error); 139 } 140 141 @Override 142 public void removeConsumer(ConnectionContext context, ConsumerInfo info) throws Exception { 143 getNext().removeConsumer(context, info); 144 } 145 146 @Override 147 public void removeProducer(ConnectionContext context, ProducerInfo info) throws Exception { 148 getNext().removeProducer(context, info); 149 } 150 151 @Override 152 public void rollbackTransaction(ConnectionContext context, TransactionId xid) throws Exception { 153 getNext().rollbackTransaction(context, xid); 154 } 155 156 @Override 157 public void send(ProducerBrokerExchange producerExchange, Message messageSend) throws Exception { 158 getNext().send(producerExchange, messageSend); 159 } 160 161 @Override 162 public void beginTransaction(ConnectionContext context, TransactionId xid) throws Exception { 163 getNext().beginTransaction(context, xid); 164 } 165 166 @Override 167 public void forgetTransaction(ConnectionContext context, TransactionId transactionId) throws Exception { 168 getNext().forgetTransaction(context, transactionId); 169 } 170 171 @Override 172 public Connection[] getClients() throws Exception { 173 return getNext().getClients(); 174 } 175 176 @Override 177 public Destination addDestination(ConnectionContext context, ActiveMQDestination destination,boolean createIfTemporary) throws Exception { 178 return getNext().addDestination(context, destination,createIfTemporary); 179 } 180 181 @Override 182 public void removeDestination(ConnectionContext context, ActiveMQDestination destination, long timeout) throws Exception { 183 getNext().removeDestination(context, destination, timeout); 184 } 185 186 @Override 187 public ActiveMQDestination[] getDestinations() throws Exception { 188 return getNext().getDestinations(); 189 } 190 191 @Override 192 public void start() throws Exception { 193 getNext().start(); 194 } 195 196 @Override 197 public void stop() throws Exception { 198 getNext().stop(); 199 } 200 201 @Override 202 public void addSession(ConnectionContext context, SessionInfo info) throws Exception { 203 getNext().addSession(context, info); 204 } 205 206 @Override 207 public void removeSession(ConnectionContext context, SessionInfo info) throws Exception { 208 getNext().removeSession(context, info); 209 } 210 211 @Override 212 public BrokerId getBrokerId() { 213 return getNext().getBrokerId(); 214 } 215 216 @Override 217 public String getBrokerName() { 218 return getNext().getBrokerName(); 219 } 220 221 @Override 222 public void gc() { 223 getNext().gc(); 224 } 225 226 @Override 227 public void addBroker(Connection connection, BrokerInfo info) { 228 getNext().addBroker(connection, info); 229 } 230 231 @Override 232 public void removeBroker(Connection connection, BrokerInfo info) { 233 getNext().removeBroker(connection, info); 234 } 235 236 @Override 237 public BrokerInfo[] getPeerBrokerInfos() { 238 return getNext().getPeerBrokerInfos(); 239 } 240 241 @Override 242 public void preProcessDispatch(MessageDispatch messageDispatch) { 243 getNext().preProcessDispatch(messageDispatch); 244 } 245 246 @Override 247 public void postProcessDispatch(MessageDispatch messageDispatch) { 248 getNext().postProcessDispatch(messageDispatch); 249 } 250 251 @Override 252 public void processDispatchNotification(MessageDispatchNotification messageDispatchNotification) throws Exception { 253 getNext().processDispatchNotification(messageDispatchNotification); 254 } 255 256 @Override 257 public boolean isStopped() { 258 return getNext().isStopped(); 259 } 260 261 @Override 262 public Set<ActiveMQDestination> getDurableDestinations() { 263 return getNext().getDurableDestinations(); 264 } 265 266 @Override 267 public void addDestinationInfo(ConnectionContext context, DestinationInfo info) throws Exception { 268 getNext().addDestinationInfo(context, info); 269 270 } 271 272 @Override 273 public void removeDestinationInfo(ConnectionContext context, DestinationInfo info) throws Exception { 274 getNext().removeDestinationInfo(context, info); 275 276 } 277 278 @Override 279 public boolean isFaultTolerantConfiguration() { 280 return getNext().isFaultTolerantConfiguration(); 281 } 282 283 @Override 284 public ConnectionContext getAdminConnectionContext() { 285 return getNext().getAdminConnectionContext(); 286 } 287 288 @Override 289 public void setAdminConnectionContext(ConnectionContext adminConnectionContext) { 290 getNext().setAdminConnectionContext(adminConnectionContext); 291 } 292 293 @Override 294 public Response messagePull(ConnectionContext context, MessagePull pull) throws Exception { 295 return getNext().messagePull(context, pull); 296 } 297 298 @Override 299 public PListStore getTempDataStore() { 300 return getNext().getTempDataStore(); 301 } 302 303 @Override 304 public URI getVmConnectorURI() { 305 return getNext().getVmConnectorURI(); 306 } 307 308 @Override 309 public void brokerServiceStarted() { 310 getNext().brokerServiceStarted(); 311 } 312 313 @Override 314 public BrokerService getBrokerService() { 315 return getNext().getBrokerService(); 316 } 317 318 @Override 319 public boolean isExpired(MessageReference messageReference) { 320 return getNext().isExpired(messageReference); 321 } 322 323 @Override 324 public void messageExpired(ConnectionContext context, MessageReference message, Subscription subscription) { 325 getNext().messageExpired(context, message, subscription); 326 } 327 328 @Override 329 public boolean sendToDeadLetterQueue(ConnectionContext context, MessageReference messageReference, 330 Subscription subscription, Throwable poisonCause) { 331 return getNext().sendToDeadLetterQueue(context, messageReference, subscription, poisonCause); 332 } 333 334 @Override 335 public Broker getRoot() { 336 return getNext().getRoot(); 337 } 338 339 @Override 340 public long getBrokerSequenceId() { 341 return getNext().getBrokerSequenceId(); 342 } 343 344 @Override 345 public void fastProducer(ConnectionContext context,ProducerInfo producerInfo,ActiveMQDestination destination) { 346 getNext().fastProducer(context, producerInfo, destination); 347 } 348 349 @Override 350 public void isFull(ConnectionContext context,Destination destination, Usage usage) { 351 getNext().isFull(context,destination, usage); 352 } 353 354 @Override 355 public void messageConsumed(ConnectionContext context,MessageReference messageReference) { 356 getNext().messageConsumed(context, messageReference); 357 } 358 359 @Override 360 public void messageDelivered(ConnectionContext context,MessageReference messageReference) { 361 getNext().messageDelivered(context, messageReference); 362 } 363 364 @Override 365 public void messageDiscarded(ConnectionContext context, Subscription sub, MessageReference messageReference) { 366 getNext().messageDiscarded(context, sub, messageReference); 367 } 368 369 @Override 370 public void slowConsumer(ConnectionContext context, Destination dest, Subscription subs) { 371 getNext().slowConsumer(context, dest,subs); 372 } 373 374 @Override 375 public void virtualDestinationAdded(ConnectionContext context, 376 VirtualDestination virtualDestination) { 377 getNext().virtualDestinationAdded(context, virtualDestination); 378 } 379 380 @Override 381 public void virtualDestinationRemoved(ConnectionContext context, 382 VirtualDestination virtualDestination) { 383 getNext().virtualDestinationRemoved(context, virtualDestination); 384 } 385 386 @Override 387 public void nowMasterBroker() { 388 getNext().nowMasterBroker(); 389 } 390 391 @Override 392 public void processConsumerControl(ConsumerBrokerExchange consumerExchange, 393 ConsumerControl control) { 394 getNext().processConsumerControl(consumerExchange, control); 395 } 396 397 @Override 398 public void reapplyInterceptor() { 399 getNext().reapplyInterceptor(); 400 } 401 402 @Override 403 public Scheduler getScheduler() { 404 return getNext().getScheduler(); 405 } 406 407 @Override 408 public ThreadPoolExecutor getExecutor() { 409 return getNext().getExecutor(); 410 } 411 412 @Override 413 public void networkBridgeStarted(BrokerInfo brokerInfo, boolean createdByDuplex, String remoteIp) { 414 getNext().networkBridgeStarted(brokerInfo, createdByDuplex, remoteIp); 415 } 416 417 @Override 418 public void networkBridgeStopped(BrokerInfo brokerInfo) { 419 getNext().networkBridgeStopped(brokerInfo); 420 } 421}