@Override public SagaInstance create(Data sagaData, Optional<String> resource) { SagaInstance sagaInstance = new SagaInstance(getSagaType(), null, "????", null, SagaDataSerde.serializeSagaData(sagaData), new HashSet<>()); sagaInstanceRepository.save(sagaInstance); String sagaId = sagaInstance.getId(); resource.ifPresent( r -> Assert.isTrue(sagaLockManager.claimLock(getSagaType(), sagaId, r), "Cannot claim lock for resource")); SagaActions<Data> actions = getStateDefinition().start(sagaData); processActions(sagaId, sagaInstance, sagaData, actions); return sagaInstance; }
private void handleReply(Message message) { if (!isReplyForThisSagaType(message)) return; logger.debug("Handle reply: {}", message); String sagaId = message.getRequiredHeader(SagaReplyHeaders.REPLY_SAGA_ID); String sagaType = message.getRequiredHeader(SagaReplyHeaders.REPLY_SAGA_TYPE); SagaInstance sagaInstance = sagaInstanceRepository.find(sagaType, sagaId); Data sagaData = SagaDataSerde.deserializeSagaData(sagaInstance.getSerializedSagaData()); message.getHeader(SagaReplyHeaders.REPLY_LOCKED).ifPresent(lockedTarget -> { String destination = message.getRequiredHeader(CommandMessageHeaders.inReply(CommandMessageHeaders.DESTINATION)); sagaInstance.addDestinationsAndResources(singleton(new DestinationAndResource(destination, lockedTarget))); }); String currentState = sagaInstance.getStateName(); logger.info("Current state={}", currentState); SagaActions<Data> actions = getStateDefinition().handleReply(currentState, sagaData, message); logger.info("Handled reply. Sending commands {}", actions.getCommands()); processActions(sagaId, sagaInstance, sagaData, actions); }