@Override
public HandleStatus handle(final MessageReference ref) throws Exception {
if (filter != null && !filter.match(ref.getMessage())) {
return HandleStatus.NO_MATCH;
}
synchronized (this) {
if (!active || !session.isWritable(this)) {
if (logger.isDebugEnabled()) {
logger.debug(this + "::Ignoring reference on bridge as it is set to inactive ref=" + ref);
}
return HandleStatus.BUSY;
}
if (deliveringLargeMessage) {
return HandleStatus.BUSY;
}
if (logger.isTraceEnabled()) {
logger.trace("Bridge " + this + " is handling reference=" + ref);
}
ref.handled();
synchronized (refs) {
refs.put(ref.getMessage().getMessageID(), ref);
}
final ServerMessage message = beforeForward(ref.getMessage());
final SimpleString dest;
if (forwardingAddress != null) {
dest = forwardingAddress;
} else {
// Preserve the original address
dest = message.getAddress();
}
pendingAcks.countUp();
try {
if (message.isLargeMessage()) {
deliveringLargeMessage = true;
deliverLargeMessage(dest, ref, (LargeServerMessage) message);
return HandleStatus.HANDLED;
} else {
return deliverStandardMessage(dest, ref, message);
}
} catch (Exception e) {
// If an exception happened, we must count down immediately
pendingAcks.countDown();
throw e;
}
}
}
/** @param credits */
private void sendCredits(final int credits) {
pendingFlowControl.countUp();
flowControlExecutor.execute(
new Runnable() {
public void run() {
try {
sessionContext.sendConsumerCredits(ClientConsumerImpl.this, credits);
} finally {
pendingFlowControl.countDown();
}
}
});
}
/** Sending an initial credit for slow consumers */
private void startSlowConsumer() {
if (isTrace) {
ActiveMQClientLogger.LOGGER.trace(
"Sending 1 credit to start delivering of one message to slow consumer");
}
sendCredits(1);
try {
// We use an executor here to guarantee the messages will arrive in order.
// However when starting a slow consumer, we have to guarantee the credit was sent before we
// can perform any
// operations like forceDelivery
pendingFlowControl.await(10, TimeUnit.SECONDS);
} catch (InterruptedException e) {
// will just ignore and forward the ignored
Thread.currentThread().interrupt();
}
}
@Override
public void sendAcknowledged(final Message message) {
if (logger.isTraceEnabled()) {
logger.trace("BridgeImpl::sendAcknowledged received confirmation for message " + message);
}
if (active) {
try {
final MessageReference ref;
synchronized (refs) {
ref = refs.remove(message.getMessageID());
}
if (ref != null) {
if (logger.isTraceEnabled()) {
logger.trace(
"BridgeImpl::sendAcknowledged bridge "
+ this
+ " Acking "
+ ref
+ " on queue "
+ ref.getQueue());
}
ref.getQueue().acknowledge(ref);
pendingAcks.countDown();
} else {
if (logger.isTraceEnabled()) {
logger.trace(
"BridgeImpl::sendAcknowledged bridge "
+ this
+ " could not find reference for message "
+ message);
}
}
} catch (Exception e) {
ActiveMQServerLogger.LOGGER.bridgeFailedToAck(e);
}
}
}