@Override
public Response processRemoveConsumer(ConsumerId id, long lastDeliveredSequenceId)
throws Exception {
SessionId sessionId = id.getParentId();
SessionState ss = state.getSessionState(sessionId);
if (ss == null) {
throw new IllegalStateException(
"Cannot remove a consumer from a session that had not been registered: " + sessionId);
}
ConsumerState consumerState = ss.removeConsumer(id);
if (consumerState == null) {
throw new IllegalStateException(
"Cannot remove a consumer that had not been registered: " + id);
}
ConsumerInfo info = consumerState.getInfo();
info.setLastDeliveredSequenceId(lastDeliveredSequenceId);
AMQConsumerBrokerExchange consumerBrokerExchange = consumerExchanges.get(id);
consumerBrokerExchange.removeConsumer();
removeConsumerBrokerExchange(id);
return null;
}
public void addConsumerBrokerExchange(
ConsumerId id, AMQSession amqSession, Map<ActiveMQDestination, AMQConsumer> consumerMap) {
AMQConsumerBrokerExchange result = consumerExchanges.get(id);
if (result == null) {
if (consumerMap.size() == 1) {
result =
new AMQSingleConsumerBrokerExchange(amqSession, consumerMap.values().iterator().next());
} else {
result = new AMQCompositeConsumerBrokerExchange(amqSession, consumerMap);
}
synchronized (consumerExchanges) {
result.setConnectionContext(context);
SessionState ss = state.getSessionState(id.getParentId());
if (ss != null) {
ConsumerState cs = ss.getConsumerState(id);
if (cs != null) {
ConsumerInfo info = cs.getInfo();
if (info != null) {
if (info.getDestination() != null && info.getDestination().isPattern()) {
result.setWildcard(true);
}
}
}
}
consumerExchanges.put(id, result);
}
}
}
protected void sendStreamOfCommands(int[] sequenceNumbers, boolean expected, int expectedCount) {
for (int i = 0; i < sequenceNumbers.length; i++) {
int commandId = sequenceNumbers[i];
ConsumerInfo info = new ConsumerInfo();
info.setSelector("Cheese: " + commandId);
info.setCommandId(commandId);
transport.onCommand(info);
}
Queue<Object> exceptions = listener.getExceptions();
Queue<Object> commands = listener.getCommands();
if (expected) {
if (!exceptions.isEmpty()) {
Exception e = (Exception) exceptions.remove();
e.printStackTrace();
fail("Caught exception: " + e);
}
assertEquals("number of messages received", expectedCount, commands.size());
assertEquals("Should have no buffered commands", 0, transport.getBufferedCommandCount());
} else {
assertTrue("Should have received an exception!", exceptions.size() > 0);
Exception e = (Exception) exceptions.remove();
LOG.info("Caught expected response: " + e);
}
}
@Override
protected DemandSubscription createDemandSubscription(ConsumerInfo info) throws IOException {
boolean isForcedDurable =
NetworkBridgeUtils.isForcedDurable(
info, dynamicallyIncludedDestinations, staticallyIncludedDestinations);
if (addToAlreadyInterestedConsumers(info, isForcedDurable)) {
return null; // don't want this subscription added
}
// add our original id to ourselves
info.addNetworkConsumerId(info.getConsumerId());
ConsumerId forcedDurableId = isForcedDurable ? info.getConsumerId() : null;
if (info.isDurable() || isForcedDurable) {
// set the subscriber name to something reproducible
info.setSubscriptionName(getSubscriberName(info.getDestination()));
// and override the consumerId with something unique so that it won't
// be removed if the durable subscriber (at the other end) goes away
info.setConsumerId(
new ConsumerId(localSessionInfo.getSessionId(), consumerIdGenerator.getNextSequenceId()));
}
info.setSelector(null);
DemandSubscription demandSubscription = doCreateDemandSubscription(info);
if (forcedDurableId != null) {
demandSubscription.addForcedDurableConsumer(forcedDurableId);
forcedDurableRemoteId.add(forcedDurableId);
}
return demandSubscription;
}
@Override
public void browseFinished() {
MessageDispatch md = new MessageDispatch();
md.setConsumerId(info.getConsumerId());
md.setMessage(null);
md.setDestination(null);
session.deliverMessage(md);
}
public AMQConsumer(
AMQSession amqSession,
org.apache.activemq.command.ActiveMQDestination d,
ConsumerInfo info,
ScheduledExecutorService scheduledPool) {
this.session = amqSession;
this.actualDest = d;
this.info = info;
this.scheduledPool = scheduledPool;
this.prefetchSize = info.getPrefetchSize();
this.windowAvailable = new AtomicInteger(prefetchSize);
if (prefetchSize == 0) {
messagePullHandler = new MessagePullHandler();
}
}
@Override
protected void populateObject(Object object) throws Exception {
super.populateObject(object);
ConsumerInfo info = (ConsumerInfo) object;
info.setConsumerId(createConsumerId("ConsumerId:1"));
info.setBrowser(true);
info.setDestination(createActiveMQDestination("Destination:2"));
info.setPrefetchSize(1);
info.setMaximumPendingMessageLimit(2);
info.setDispatchAsync(false);
info.setSelector("Selector:3");
info.setSubscriptionName("SubscriptionName:4");
info.setNoLocal(true);
info.setExclusive(false);
info.setRetroactive(true);
info.setPriority((byte) 1);
{
BrokerId value[] = new BrokerId[2];
for (int i = 0; i < 2; i++) {
value[i] = createBrokerId("BrokerPath:5");
}
info.setBrokerPath(value);
}
info.setAdditionalPredicate(createBooleanExpression("AdditionalPredicate:6"));
info.setNetworkSubscription(false);
info.setOptimizedAcknowledge(true);
info.setNoRangeAcks(false);
{
ConsumerId value[] = new ConsumerId[2];
for (int i = 0; i < 2; i++) {
value[i] = createConsumerId("NetworkConsumerPath:7");
}
info.setNetworkConsumerPath(value);
}
}
public void init() throws Exception {
AMQServerSession coreSession = session.getCoreSession();
SimpleString selector =
info.getSelector() == null ? null : new SimpleString(info.getSelector());
nativeId = session.getCoreServer().getStorageManager().generateID();
SimpleString address = new SimpleString(this.actualDest.getPhysicalName());
if (this.actualDest.isTopic()) {
String physicalName = this.actualDest.getPhysicalName();
if (physicalName.contains(".>")) {
// wildcard
physicalName = OpenWireUtil.convertWildcard(physicalName);
}
// on recreate we don't need to create queues
address = new SimpleString("jms.topic." + physicalName);
if (info.isDurable()) {
subQueueName =
new SimpleString(
ActiveMQDestination.createQueueNameForDurableSubscription(
true, info.getClientId(), info.getSubscriptionName()));
QueueQueryResult result = coreSession.executeQueueQuery(subQueueName);
if (result.isExists()) {
// Already exists
if (result.getConsumerCount() > 0) {
throw new IllegalStateException(
"Cannot create a subscriber on the durable subscription since it already has subscriber(s)");
}
SimpleString oldFilterString = result.getFilterString();
boolean selectorChanged =
selector == null && oldFilterString != null
|| oldFilterString == null && selector != null
|| oldFilterString != null
&& selector != null
&& !oldFilterString.equals(selector);
SimpleString oldTopicName = result.getAddress();
boolean topicChanged = !oldTopicName.equals(address);
if (selectorChanged || topicChanged) {
// Delete the old durable sub
coreSession.deleteQueue(subQueueName);
// Create the new one
coreSession.createQueue(address, subQueueName, selector, false, true);
}
} else {
coreSession.createQueue(address, subQueueName, selector, false, true);
}
} else {
subQueueName = new SimpleString(UUID.randomUUID().toString());
coreSession.createQueue(address, subQueueName, selector, true, false);
}
coreSession.createConsumer(nativeId, subQueueName, null, info.isBrowser(), false, -1);
} else {
SimpleString queueName = new SimpleString("jms.queue." + this.actualDest.getPhysicalName());
coreSession.createConsumer(nativeId, queueName, selector, info.isBrowser(), false, -1);
}
if (info.isBrowser()) {
AMQServerConsumer coreConsumer = coreSession.getConsumer(nativeId);
coreConsumer.setBrowserListener(this);
}
}
public ConsumerId getId() {
return info.getConsumerId();
}
/**
* Un-marshal an object instance from the data input stream
*
* @param o the object to un-marshal
* @param dataIn the data input stream to build the object from
* @throws IOException
*/
public void tightUnmarshal(
OpenWireFormat wireFormat, Object o, DataInput dataIn, BooleanStream bs) throws IOException {
super.tightUnmarshal(wireFormat, o, dataIn, bs);
ConsumerInfo info = (ConsumerInfo) o;
info.setConsumerId(
(org.apache.activemq.command.ConsumerId) tightUnmarsalCachedObject(wireFormat, dataIn, bs));
info.setBrowser(bs.readBoolean());
info.setDestination(
(org.apache.activemq.command.ActiveMQDestination)
tightUnmarsalCachedObject(wireFormat, dataIn, bs));
info.setPrefetchSize(dataIn.readInt());
info.setMaximumPendingMessageLimit(dataIn.readInt());
info.setDispatchAsync(bs.readBoolean());
info.setSelector(tightUnmarshalString(dataIn, bs));
info.setSubscriptionName(tightUnmarshalString(dataIn, bs));
info.setNoLocal(bs.readBoolean());
info.setExclusive(bs.readBoolean());
info.setRetroactive(bs.readBoolean());
info.setPriority(dataIn.readByte());
if (bs.readBoolean()) {
short size = dataIn.readShort();
org.apache.activemq.command.BrokerId value[] = new org.apache.activemq.command.BrokerId[size];
for (int i = 0; i < size; i++) {
value[i] =
(org.apache.activemq.command.BrokerId)
tightUnmarsalNestedObject(wireFormat, dataIn, bs);
}
info.setBrokerPath(value);
} else {
info.setBrokerPath(null);
}
info.setAdditionalPredicate(
(org.apache.activemq.filter.BooleanExpression)
tightUnmarsalNestedObject(wireFormat, dataIn, bs));
info.setNetworkSubscription(bs.readBoolean());
info.setOptimizedAcknowledge(bs.readBoolean());
info.setNoRangeAcks(bs.readBoolean());
if (bs.readBoolean()) {
short size = dataIn.readShort();
org.apache.activemq.command.ConsumerId value[] =
new org.apache.activemq.command.ConsumerId[size];
for (int i = 0; i < size; i++) {
value[i] =
(org.apache.activemq.command.ConsumerId)
tightUnmarsalNestedObject(wireFormat, dataIn, bs);
}
info.setNetworkConsumerPath(value);
} else {
info.setNetworkConsumerPath(null);
}
}
/** Write the booleans that this object uses to a BooleanStream */
public void looseMarshal(OpenWireFormat wireFormat, Object o, DataOutput dataOut)
throws IOException {
ConsumerInfo info = (ConsumerInfo) o;
super.looseMarshal(wireFormat, o, dataOut);
looseMarshalCachedObject(wireFormat, (DataStructure) info.getConsumerId(), dataOut);
dataOut.writeBoolean(info.isBrowser());
looseMarshalCachedObject(wireFormat, (DataStructure) info.getDestination(), dataOut);
dataOut.writeInt(info.getPrefetchSize());
dataOut.writeInt(info.getMaximumPendingMessageLimit());
dataOut.writeBoolean(info.isDispatchAsync());
looseMarshalString(info.getSelector(), dataOut);
looseMarshalString(info.getSubscriptionName(), dataOut);
dataOut.writeBoolean(info.isNoLocal());
dataOut.writeBoolean(info.isExclusive());
dataOut.writeBoolean(info.isRetroactive());
dataOut.writeByte(info.getPriority());
looseMarshalObjectArray(wireFormat, info.getBrokerPath(), dataOut);
looseMarshalNestedObject(wireFormat, (DataStructure) info.getAdditionalPredicate(), dataOut);
dataOut.writeBoolean(info.isNetworkSubscription());
dataOut.writeBoolean(info.isOptimizedAcknowledge());
dataOut.writeBoolean(info.isNoRangeAcks());
looseMarshalObjectArray(wireFormat, info.getNetworkConsumerPath(), dataOut);
}
/**
* Write a object instance to data output stream
*
* @param o the instance to be marshaled
* @param dataOut the output stream
* @throws IOException thrown if an error occurs
*/
public void tightMarshal2(
OpenWireFormat wireFormat, Object o, DataOutput dataOut, BooleanStream bs)
throws IOException {
super.tightMarshal2(wireFormat, o, dataOut, bs);
ConsumerInfo info = (ConsumerInfo) o;
tightMarshalCachedObject2(wireFormat, (DataStructure) info.getConsumerId(), dataOut, bs);
bs.readBoolean();
tightMarshalCachedObject2(wireFormat, (DataStructure) info.getDestination(), dataOut, bs);
dataOut.writeInt(info.getPrefetchSize());
dataOut.writeInt(info.getMaximumPendingMessageLimit());
bs.readBoolean();
tightMarshalString2(info.getSelector(), dataOut, bs);
tightMarshalString2(info.getSubscriptionName(), dataOut, bs);
bs.readBoolean();
bs.readBoolean();
bs.readBoolean();
dataOut.writeByte(info.getPriority());
tightMarshalObjectArray2(wireFormat, info.getBrokerPath(), dataOut, bs);
tightMarshalNestedObject2(
wireFormat, (DataStructure) info.getAdditionalPredicate(), dataOut, bs);
bs.readBoolean();
bs.readBoolean();
bs.readBoolean();
tightMarshalObjectArray2(wireFormat, info.getNetworkConsumerPath(), dataOut, bs);
}
/** Write the booleans that this object uses to a BooleanStream */
public int tightMarshal1(OpenWireFormat wireFormat, Object o, BooleanStream bs)
throws IOException {
ConsumerInfo info = (ConsumerInfo) o;
int rc = super.tightMarshal1(wireFormat, o, bs);
rc += tightMarshalCachedObject1(wireFormat, (DataStructure) info.getConsumerId(), bs);
bs.writeBoolean(info.isBrowser());
rc += tightMarshalCachedObject1(wireFormat, (DataStructure) info.getDestination(), bs);
bs.writeBoolean(info.isDispatchAsync());
rc += tightMarshalString1(info.getSelector(), bs);
rc += tightMarshalString1(info.getSubscriptionName(), bs);
bs.writeBoolean(info.isNoLocal());
bs.writeBoolean(info.isExclusive());
bs.writeBoolean(info.isRetroactive());
rc += tightMarshalObjectArray1(wireFormat, info.getBrokerPath(), bs);
rc += tightMarshalNestedObject1(wireFormat, (DataStructure) info.getAdditionalPredicate(), bs);
bs.writeBoolean(info.isNetworkSubscription());
bs.writeBoolean(info.isOptimizedAcknowledge());
bs.writeBoolean(info.isNoRangeAcks());
rc += tightMarshalObjectArray1(wireFormat, info.getNetworkConsumerPath(), bs);
return rc + 9;
}