public void removeMessage(MessageId msgId) throws IOException { synchronized (messageTable) { Message removed = messageTable.remove(msgId); if (removed != null) { removed.decrementReferenceCount(); } if ((lastBatchId != null && lastBatchId.equals(msgId)) || messageTable.isEmpty()) { lastBatchId = null; } } }
public void acknowledge(MessageAck ack) throws Exception { MessageId first = ack.getFirstMessageId(); MessageId lastm = ack.getLastMessageId(); TransactionId tid = ack.getTransactionId(); boolean isLocalTx = (tid != null) && tid.isLocalTransaction(); boolean single = lastm.equals(first); MessageInfo mi = null; int n = 0; if (ack.isIndividualAck()) { Iterator<MessageInfo> iter = deliveringRefs.iterator(); while (iter.hasNext()) { mi = iter.next(); if (mi.amqId.equals(lastm)) { n++; iter.remove(); session.getCoreSession().individualAcknowledge(nativeId, mi.nativeId); session.getCoreSession().commit(); break; } } } else if (ack.isRedeliveredAck()) { // client tells that this message is for redlivery. // do nothing until poisoned. n = 1; } else if (ack.isPoisonAck()) { // send to dlq Iterator<MessageInfo> iter = deliveringRefs.iterator(); boolean firstFound = false; while (iter.hasNext()) { mi = iter.next(); if (mi.amqId.equals(first)) { n++; iter.remove(); session .getCoreSession() .moveToDeadLetterAddress(nativeId, mi.nativeId, ack.getPoisonCause()); session.getCoreSession().commit(); if (single) { break; } firstFound = true; } else if (firstFound || first == null) { n++; iter.remove(); session .getCoreSession() .moveToDeadLetterAddress(nativeId, mi.nativeId, ack.getPoisonCause()); session.getCoreSession().commit(); if (mi.amqId.equals(lastm)) { break; } } } } else if (ack.isDeliveredAck() || ack.isExpiredAck()) { // ToDo: implement with tests n = 1; } else { Iterator<MessageInfo> iter = deliveringRefs.iterator(); boolean firstFound = false; while (iter.hasNext()) { MessageInfo ami = iter.next(); if (ami.amqId.equals(first)) { n++; if (!isLocalTx) { iter.remove(); } else { ami.setLocalAcked(true); } if (single) { mi = ami; break; } firstFound = true; } else if (firstFound || first == null) { n++; if (!isLocalTx) { iter.remove(); } else { ami.setLocalAcked(true); } if (ami.amqId.equals(lastm)) { mi = ami; break; } } } if (mi != null && !isLocalTx) { session.getCoreSession().acknowledge(nativeId, mi.nativeId); } } acquireCredit(n); }