AckEntry ackEntry = getAckEntry(sessionId);
return ackEntry.getAckCallback(index);
}
public long registerAck(UUID sessionId, AckCallback callback) {
AckEntry ackEntry = getAckEntry(sessionId);
ackEntry.initAckIndex(0);
long index = ackEntry.addAckCallback(callback);
if (log.isDebugEnabled()) {
log.debug("AckCallback registered with id: {}", index);
}