private OperationContext sendReplicatePacket(final Packet packet, boolean lineUp) {
if (!enabled) return null;
boolean runItNow = false;
OperationContext repliToken = OperationContextImpl.getContext(executorFactory);
if (lineUp) {
repliToken.replicationLineUp();
}
synchronized (replicationLock) {
if (enabled) {
pendingTokens.add(repliToken);
replicatingChannel.send(packet);
} else {
// Already replicating channel failed, so just play the action now
runItNow = true;
}
}
// Execute outside lock
if (runItNow) {
repliToken.replicationDone();
}
return repliToken;
}
/**
* @throws IllegalStateException By default, all replicated packets generate a replicated
* response. If your packets are triggering this exception, it may be because the packets were
* not sent with {@link #sendReplicatePacket(Packet)}.
*/
private void replicated() {
OperationContext ctx = pendingTokens.poll();
if (ctx == null) {
throw new IllegalStateException("Missing replication token on the queue.");
}
ctx.replicationDone();
}
/**
* Completes any pending operations.
*
* <p>This can be necessary in case the live loses connection to the backup (network failure, or
* backup crashing).
*/
public void clearReplicationTokens() {
synchronized (replicationLock) {
while (!pendingTokens.isEmpty()) {
OperationContext ctx = pendingTokens.poll();
try {
ctx.replicationDone();
} catch (Throwable e) {
HornetQServerLogger.LOGGER.errorCompletingCallbackOnReplicationManager(e);
}
}
}
}