Examples with ForwardInvalidException io.seata.saga.engine.exception.ForwardInvalidException used on opensource projects

Example 1 with ForwardInvalidException

use of io.seata.saga.engine.exception.ForwardInvalidException in project seata by seata.

the class LoopTaskUtils method isForSubStateMachineForward.

/**
 * forward with subStateMachine should check each loop state's status
 *
 * @param context
 * @return
 */
public static boolean isForSubStateMachineForward(ProcessContext context) {
    StateMachineInstance stateMachineInstance = (StateMachineInstance) context.getVariable(DomainConstants.VAR_NAME_STATEMACHINE_INST);
    StateInstruction instruction = context.getInstruction(StateInstruction.class);
    StateMachineConfig stateMachineConfig = (StateMachineConfig) context.getVariable(DomainConstants.VAR_NAME_STATEMACHINE_CONFIG);
    StateInstance lastRetriedStateInstance = LoopTaskUtils.findOutLastRetriedStateInstance(stateMachineInstance, LoopTaskUtils.generateLoopStateName(context, instruction.getStateName()));
    if (null != lastRetriedStateInstance && DomainConstants.STATE_TYPE_SUB_STATE_MACHINE.equals(lastRetriedStateInstance.getType()) && !ExecutionStatus.SU.equals(lastRetriedStateInstance.getCompensationStatus())) {
        while (StringUtils.isNotBlank(lastRetriedStateInstance.getStateIdRetriedFor())) {
            lastRetriedStateInstance = stateMachineConfig.getStateLogStore().getStateInstance(lastRetriedStateInstance.getStateIdRetriedFor(), lastRetriedStateInstance.getMachineInstanceId());
        }
        List<StateMachineInstance> subInst = stateMachineConfig.getStateLogStore().queryStateMachineInstanceByParentId(EngineUtils.generateParentId(lastRetriedStateInstance));
        if (CollectionUtils.isNotEmpty(subInst)) {
            if (ExecutionStatus.SU.equals(subInst.get(0).getCompensationStatus())) {
                return false;
            }
        }
        if (ExecutionStatus.UN.equals(subInst.get(0).getCompensationStatus())) {
            throw new ForwardInvalidException("Last forward execution state instance is SubStateMachine and compensation status is " + "[UN], Operation[forward] denied, stateInstanceId:" + lastRetriedStateInstance.getId(), FrameworkErrorCode.OperationDenied);
        }
        return true;
    }
    return false;
}

Example 2 with ForwardInvalidException

use of io.seata.saga.engine.exception.ForwardInvalidException in project seata by seata.

the class ProcessCtrlStateMachineEngine method findOutLastForwardStateInstance.

/**
 * Find the last instance of the forward execution state
 *
 * @param stateInstanceList
 * @return
 */
public StateInstance findOutLastForwardStateInstance(List<StateInstance> stateInstanceList) {
    StateInstance lastForwardStateInstance = null;
    for (int i = stateInstanceList.size() - 1; i >= 0; i--) {
        StateInstance stateInstance = stateInstanceList.get(i);
        if (!stateInstance.isForCompensation()) {
            if (ExecutionStatus.SU.equals(stateInstance.getCompensationStatus())) {
                continue;
            }
            if (DomainConstants.STATE_TYPE_SUB_STATE_MACHINE.equals(stateInstance.getType())) {
                StateInstance finalState = stateInstance;
                while (StringUtils.hasText(finalState.getStateIdRetriedFor())) {
                    finalState = stateMachineConfig.getStateLogStore().getStateInstance(finalState.getStateIdRetriedFor(), finalState.getMachineInstanceId());
                }
                List<StateMachineInstance> subInst = stateMachineConfig.getStateLogStore().queryStateMachineInstanceByParentId(EngineUtils.generateParentId(finalState));
                if (CollectionUtils.isNotEmpty(subInst)) {
                    if (ExecutionStatus.SU.equals(subInst.get(0).getCompensationStatus())) {
                        continue;
                    }
                    if (ExecutionStatus.UN.equals(subInst.get(0).getCompensationStatus())) {
                        throw new ForwardInvalidException("Last forward execution state instance is SubStateMachine and compensation status is " + "[UN], Operation[forward] denied, stateInstanceId:" + stateInstance.getId(), FrameworkErrorCode.OperationDenied);
                    }
                }
            } else if (ExecutionStatus.UN.equals(stateInstance.getCompensationStatus())) {
                throw new ForwardInvalidException("Last forward execution state instance compensation status is [UN], Operation[forward] " + "denied, stateInstanceId:" + stateInstance.getId(), FrameworkErrorCode.OperationDenied);
            }
            lastForwardStateInstance = stateInstance;
            break;
        }
    }
    return lastForwardStateInstance;
}

Example 3 with ForwardInvalidException

use of io.seata.saga.engine.exception.ForwardInvalidException in project seata by seata.

the class SubStateMachineHandler method process.

@Override
public void process(ProcessContext context) throws EngineExecutionException {
    StateInstruction instruction = context.getInstruction(StateInstruction.class);
    SubStateMachineImpl subStateMachine = (SubStateMachineImpl) instruction.getState(context);
    StateMachineEngine engine = (StateMachineEngine) context.getVariable(DomainConstants.VAR_NAME_STATEMACHINE_ENGINE);
    StateMachineInstance stateMachineInstance = (StateMachineInstance) context.getVariable(DomainConstants.VAR_NAME_STATEMACHINE_INST);
    StateInstance stateInstance = (StateInstance) context.getVariable(DomainConstants.VAR_NAME_STATE_INST);
    Object inputParamsObj = context.getVariable(DomainConstants.VAR_NAME_INPUT_PARAMS);
    Map<String, Object> startParams = new HashMap<>(0);
    if (inputParamsObj instanceof List) {
        List<Object> listInputParams = (List<Object>) inputParamsObj;
        if (listInputParams.size() > 0) {
            startParams = (Map<String, Object>) listInputParams.get(0);
        }
    } else if (inputParamsObj instanceof Map) {
        startParams = (Map<String, Object>) inputParamsObj;
    }
    startParams.put(DomainConstants.VAR_NAME_PARENT_ID, EngineUtils.generateParentId(stateInstance));
    try {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug(">>>>>>>>>>>>>>>>>>>>>> Start to execute SubStateMachine [{}] by state[{}]", subStateMachine.getStateMachineName(), subStateMachine.getName());
        }
        StateMachineInstance subStateMachineInstance = callSubStateMachine(startParams, engine, context, stateInstance, subStateMachine);
        Map<String, Object> outputParams = subStateMachineInstance.getEndParams();
        boolean isForward = DomainConstants.OPERATION_NAME_FORWARD.equals(context.getVariable(DomainConstants.VAR_NAME_OPERATION_NAME));
        ExecutionStatus callSubMachineStatus = decideStatus(subStateMachineInstance, isForward);
        stateInstance.setStatus(callSubMachineStatus);
        outputParams.put(DomainConstants.VAR_NAME_SUB_STATEMACHINE_EXEC_STATUE, callSubMachineStatus.toString());
        context.setVariable(DomainConstants.VAR_NAME_OUTPUT_PARAMS, outputParams);
        stateInstance.setOutputParams(outputParams);
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("<<<<<<<<<<<<<<<<<<<<<< SubStateMachine[{}] execute finish with status[{}], compensateStatus[{}]", subStateMachine.getStateMachineName(), subStateMachineInstance.getStatus(), subStateMachineInstance.getCompensationStatus());
        }
    } catch (Exception e) {
        LOGGER.error("SubStateMachine[{}] execute failed by state[name:{}]", subStateMachine.getStateMachineName(), subStateMachine.getName(), e);
        if (e instanceof ForwardInvalidException) {
            String retriedId = stateInstance.getStateIdRetriedFor();
            StateInstance stateToBeRetried = null;
            for (StateInstance stateInst : stateMachineInstance.getStateList()) {
                if (retriedId.equals(stateInst.getId())) {
                    stateToBeRetried = stateInst;
                    break;
                }
            }
            if (stateToBeRetried != null) {
                stateInstance.setStatus(stateToBeRetried.getStatus());
            }
        }
        context.setVariable(DomainConstants.VAR_NAME_CURRENT_EXCEPTION, e);
        EngineUtils.handleException(context, subStateMachine, e);
    }
}

Example 4 with ForwardInvalidException

use of io.seata.saga.engine.exception.ForwardInvalidException in project seata by seata.

the class ProcessCtrlStateMachineEngine method forwardInternal.

protected StateMachineInstance forwardInternal(String stateMachineInstId, Map<String, Object> replaceParams, boolean skip, boolean async, AsyncCallback callback) throws EngineExecutionException {
    StateMachineInstance stateMachineInstance = reloadStateMachineInstance(stateMachineInstId);
    if (stateMachineInstance == null) {
        throw new ForwardInvalidException("StateMachineInstance is not exits", FrameworkErrorCode.StateMachineInstanceNotExists);
    }
    if (ExecutionStatus.SU.equals(stateMachineInstance.getStatus()) && stateMachineInstance.getCompensationStatus() == null) {
        return stateMachineInstance;
    }
    ExecutionStatus[] acceptStatus = new ExecutionStatus[] { ExecutionStatus.FA, ExecutionStatus.UN, ExecutionStatus.RU };
    checkStatus(stateMachineInstance, acceptStatus, null, stateMachineInstance.getStatus(), null, "forward");
    List<StateInstance> actList = stateMachineInstance.getStateList();
    if (CollectionUtils.isEmpty(actList)) {
        throw new ForwardInvalidException("StateMachineInstance[id:" + stateMachineInstId + "] has no stateInstance, pls start a new StateMachine execution instead", FrameworkErrorCode.OperationDenied);
    }
    StateInstance lastForwardState = findOutLastForwardStateInstance(actList);
    if (lastForwardState == null) {
        throw new ForwardInvalidException("StateMachineInstance[id:" + stateMachineInstId + "] Cannot find last forward execution stateInstance", FrameworkErrorCode.OperationDenied);
    }
    ProcessContextBuilder contextBuilder = ProcessContextBuilder.create().withProcessType(ProcessType.STATE_LANG).withOperationName(DomainConstants.OPERATION_NAME_FORWARD).withAsyncCallback(callback).withStateMachineInstance(stateMachineInstance).withStateInstance(lastForwardState).withStateMachineConfig(getStateMachineConfig()).withStateMachineEngine(this);
    contextBuilder.withIsAsyncExecution(async);
    ProcessContext context = contextBuilder.build();
    Map<String, Object> contextVariables = getStateMachineContextVariables(stateMachineInstance);
    if (replaceParams != null) {
        contextVariables.putAll(replaceParams);
    }
    putBusinesskeyToContextariables(stateMachineInstance, contextVariables);
    ConcurrentHashMap<String, Object> concurrentContextVariables = new ConcurrentHashMap<>(contextVariables.size());
    nullSafeCopy(contextVariables, concurrentContextVariables);
    context.setVariable(DomainConstants.VAR_NAME_STATEMACHINE_CONTEXT, concurrentContextVariables);
    stateMachineInstance.setContext(concurrentContextVariables);
    String originStateName = EngineUtils.getOriginStateName(lastForwardState);
    State lastState = stateMachineInstance.getStateMachine().getState(originStateName);
    Loop loop = LoopTaskUtils.getLoopConfig(context, lastState);
    if (null != loop && ExecutionStatus.SU.equals(lastForwardState.getStatus())) {
        lastForwardState = LoopTaskUtils.findOutLastNeedForwardStateInstance(context);
    }
    context.setVariable(lastForwardState.getName() + DomainConstants.VAR_NAME_RETRIED_STATE_INST_ID, lastForwardState.getId());
    if (DomainConstants.STATE_TYPE_SUB_STATE_MACHINE.equals(lastForwardState.getType()) && !ExecutionStatus.SU.equals(lastForwardState.getCompensationStatus())) {
        context.setVariable(DomainConstants.VAR_NAME_IS_FOR_SUB_STATMACHINE_FORWARD, true);
    }
    if (!ExecutionStatus.SU.equals(lastForwardState.getStatus())) {
        lastForwardState.setIgnoreStatus(true);
    }
    try {
        StateInstruction inst = new StateInstruction();
        inst.setTenantId(stateMachineInstance.getTenantId());
        inst.setStateMachineName(stateMachineInstance.getStateMachine().getName());
        if (skip || ExecutionStatus.SU.equals(lastForwardState.getStatus())) {
            String next = null;
            State state = stateMachineInstance.getStateMachine().getState(EngineUtils.getOriginStateName(lastForwardState));
            if (state != null && state instanceof AbstractTaskState) {
                next = ((AbstractTaskState) state).getNext();
            }
            if (StringUtils.isEmpty(next)) {
                LOGGER.warn("Last Forward execution StateInstance was succeed, and it has not Next State , skip forward " + "operation");
                return stateMachineInstance;
            }
            inst.setStateName(next);
        } else {
            if (ExecutionStatus.RU.equals(lastForwardState.getStatus()) && !EngineUtils.isTimeout(lastForwardState.getGmtStarted(), stateMachineConfig.getServiceInvokeTimeout())) {
                throw new EngineExecutionException("State [" + lastForwardState.getName() + "] is running, operation[forward] denied", FrameworkErrorCode.OperationDenied);
            }
            inst.setStateName(EngineUtils.getOriginStateName(lastForwardState));
        }
        context.setInstruction(inst);
        stateMachineInstance.setStatus(ExecutionStatus.RU);
        stateMachineInstance.setRunning(true);
        if (LOGGER.isInfoEnabled()) {
            LOGGER.info("Operation [forward] started  stateMachineInstance[id:" + stateMachineInstance.getId() + "]");
        }
        if (stateMachineInstance.getStateMachine().isPersist()) {
            stateMachineConfig.getStateLogStore().recordStateMachineRestarted(stateMachineInstance, context);
        }
        loop = LoopTaskUtils.getLoopConfig(context, inst.getState(context));
        if (null != loop) {
            inst.setTemporaryState(new LoopStartStateImpl());
        }
        if (async) {
            stateMachineConfig.getAsyncProcessCtrlEventPublisher().publish(context);
        } else {
            stateMachineConfig.getProcessCtrlEventPublisher().publish(context);
        }
    } catch (EngineExecutionException e) {
        LOGGER.error("Operation [forward] failed", e);
        throw e;
    }
    return stateMachineInstance;
}

Example 5 with ForwardInvalidException

use of io.seata.saga.engine.exception.ForwardInvalidException in project seata by seata.

the class SubStateMachineHandler method forwardStateMachine.

private StateMachineInstance forwardStateMachine(Map<String, Object> startParams, StateMachineEngine engine, ProcessContext context, StateInstance stateInstance, SubStateMachine subStateMachine) {
    StateMachineConfig stateMachineConfig = (StateMachineConfig) context.getVariable(DomainConstants.VAR_NAME_STATEMACHINE_CONFIG);
    StateLogStore statePersister = stateMachineConfig.getStateLogStore();
    if (statePersister == null) {
        throw new ForwardInvalidException("StatePersister is not configured", FrameworkErrorCode.ObjectNotExists);
    }
    StateInstance originalStateInst = stateInstance;
    do {
        originalStateInst = statePersister.getStateInstance(originalStateInst.getStateIdRetriedFor(), originalStateInst.getMachineInstanceId());
    } while (StringUtils.hasText(originalStateInst.getStateIdRetriedFor()));
    List<StateMachineInstance> subInst = statePersister.queryStateMachineInstanceByParentId(EngineUtils.generateParentId(originalStateInst));
    if (subInst.size() > 0) {
        String subInstId = subInst.get(0).getId();
        return engine.forward(subInstId, startParams);
    } else {
        originalStateInst.setStateMachineInstance(stateInstance.getStateMachineInstance());
        return startNewStateMachine(startParams, engine, originalStateInst, subStateMachine);
    }
}