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

Example 1 with EngineExecutionException

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

the class ServiceTaskHandlerInterceptor method preProcess.

@Override
public void preProcess(ProcessContext context) throws EngineExecutionException {
    StateInstruction instruction = context.getInstruction(StateInstruction.class);
    StateMachineInstance stateMachineInstance = (StateMachineInstance) context.getVariable(DomainConstants.VAR_NAME_STATEMACHINE_INST);
    StateMachineConfig stateMachineConfig = (StateMachineConfig) context.getVariable(DomainConstants.VAR_NAME_STATEMACHINE_CONFIG);
    if (EngineUtils.isTimeout(stateMachineInstance.getGmtUpdated(), stateMachineConfig.getTransOperationTimeout())) {
        String message = "Saga Transaction [stateMachineInstanceId:" + stateMachineInstance.getId() + "] has timed out, stop execution now.";
        LOGGER.error(message);
        EngineExecutionException exception = ExceptionUtils.createEngineExecutionException(null, FrameworkErrorCode.StateMachineExecutionTimeout, message, stateMachineInstance, instruction.getStateName());
        EngineUtils.failStateMachine(context, exception);
        throw exception;
    }
    StateInstanceImpl stateInstance = new StateInstanceImpl();
    Map<String, Object> contextVariables = (Map<String, Object>) context.getVariable(DomainConstants.VAR_NAME_STATEMACHINE_CONTEXT);
    ServiceTaskStateImpl state = (ServiceTaskStateImpl) instruction.getState(context);
    List<Object> serviceInputParams = null;
    if (contextVariables != null) {
        try {
            serviceInputParams = ParameterUtils.createInputParams(stateMachineConfig.getExpressionFactoryManager(), stateInstance, state, contextVariables);
        } catch (Exception e) {
            String message = "Task [" + state.getName() + "] input parameters assign failed, please check 'Input' expression:" + e.getMessage();
            EngineExecutionException exception = ExceptionUtils.createEngineExecutionException(e, FrameworkErrorCode.VariablesAssignError, message, stateMachineInstance, state.getName());
            EngineUtils.failStateMachine(context, exception);
            throw exception;
        }
    }
    ((HierarchicalProcessContext) context).setVariableLocally(DomainConstants.VAR_NAME_INPUT_PARAMS, serviceInputParams);
    stateInstance.setMachineInstanceId(stateMachineInstance.getId());
    stateInstance.setStateMachineInstance(stateMachineInstance);
    Object isForCompensation = state.isForCompensation();
    if (context.hasVariable(DomainConstants.VAR_NAME_IS_LOOP_STATE) && !Boolean.TRUE.equals(isForCompensation)) {
        stateInstance.setName(LoopTaskUtils.generateLoopStateName(context, state.getName()));
        StateInstance lastRetriedStateInstance = LoopTaskUtils.findOutLastRetriedStateInstance(stateMachineInstance, stateInstance.getName());
        stateInstance.setStateIdRetriedFor(lastRetriedStateInstance == null ? null : lastRetriedStateInstance.getId());
    } else {
        stateInstance.setName(state.getName());
        stateInstance.setStateIdRetriedFor((String) context.getVariable(state.getName() + DomainConstants.VAR_NAME_RETRIED_STATE_INST_ID));
    }
    stateInstance.setGmtStarted(new Date());
    stateInstance.setGmtUpdated(stateInstance.getGmtStarted());
    stateInstance.setStatus(ExecutionStatus.RU);
    if (StringUtils.hasLength(stateInstance.getBusinessKey())) {
        ((Map<String, Object>) context.getVariable(DomainConstants.VAR_NAME_STATEMACHINE_CONTEXT)).put(state.getName() + DomainConstants.VAR_NAME_BUSINESSKEY, stateInstance.getBusinessKey());
    }
    stateInstance.setType(state.getType());
    stateInstance.setForUpdate(state.isForUpdate());
    stateInstance.setServiceName(state.getServiceName());
    stateInstance.setServiceMethod(state.getServiceMethod());
    stateInstance.setServiceType(state.getServiceType());
    if (isForCompensation != null && (Boolean) isForCompensation) {
        CompensationHolder compensationHolder = CompensationHolder.getCurrent(context, true);
        StateInstance stateToBeCompensated = compensationHolder.getStatesNeedCompensation().get(state.getName());
        if (stateToBeCompensated != null) {
            stateToBeCompensated.setCompensationState(stateInstance);
            stateInstance.setStateIdCompensatedFor(stateToBeCompensated.getId());
        } else {
            LOGGER.error("Compensation State[{}] has no state to compensate, maybe this is a bug.", state.getName());
        }
        CompensationHolder.getCurrent(context, true).addForCompensationState(stateInstance.getName(), stateInstance);
    }
    if (DomainConstants.OPERATION_NAME_FORWARD.equals(context.getVariable(DomainConstants.VAR_NAME_OPERATION_NAME)) && StringUtils.isEmpty(stateInstance.getStateIdRetriedFor()) && !state.isForCompensation()) {
        List<StateInstance> stateList = stateMachineInstance.getStateList();
        if (CollectionUtils.isNotEmpty(stateList)) {
            for (int i = stateList.size() - 1; i >= 0; i--) {
                StateInstance executedState = stateList.get(i);
                if (stateInstance.getName().equals(executedState.getName())) {
                    stateInstance.setStateIdRetriedFor(executedState.getId());
                    executedState.setIgnoreStatus(true);
                    break;
                }
            }
        }
    }
    stateInstance.setInputParams(serviceInputParams);
    if (stateMachineInstance.getStateMachine().isPersist() && state.isPersist() && stateMachineConfig.getStateLogStore() != null) {
        try {
            stateMachineConfig.getStateLogStore().recordStateStarted(stateInstance, context);
        } catch (Exception e) {
            String message = "Record state[" + state.getName() + "] started failed, stateMachineInstance[" + stateMachineInstance.getId() + "], Reason: " + e.getMessage();
            EngineExecutionException exception = ExceptionUtils.createEngineExecutionException(e, FrameworkErrorCode.ExceptionCaught, message, stateMachineInstance, state.getName());
            EngineUtils.failStateMachine(context, exception);
            throw exception;
        }
    }
    if (StringUtils.isEmpty(stateInstance.getId())) {
        stateInstance.setId(stateMachineConfig.getSeqGenerator().generate(DomainConstants.SEQ_ENTITY_STATE_INST));
    }
    stateMachineInstance.putStateInstance(stateInstance.getId(), stateInstance);
    ((HierarchicalProcessContext) context).setVariableLocally(DomainConstants.VAR_NAME_STATE_INST, stateInstance);
}

Example 2 with EngineExecutionException

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

the class StateInstruction method getState.

public State getState(ProcessContext context) {
    if (getTemporaryState() != null) {
        return temporaryState;
    }
    String stateName = getStateName();
    String stateMachineName = getStateMachineName();
    String tenantId = getTenantId();
    if (StringUtils.isEmpty(stateMachineName)) {
        throw new EngineExecutionException("StateMachineName is required", FrameworkErrorCode.ParameterRequired);
    }
    StateMachineConfig stateMachineConfig = (StateMachineConfig) context.getVariable(DomainConstants.VAR_NAME_STATEMACHINE_CONFIG);
    StateMachine stateMachine = stateMachineConfig.getStateMachineRepository().getStateMachine(stateMachineName, tenantId);
    if (stateMachine == null) {
        throw new EngineExecutionException("StateMachine[" + stateMachineName + "] is not exist", FrameworkErrorCode.ObjectNotExists);
    }
    if (StringUtils.isEmpty(stateName)) {
        stateName = stateMachine.getStartState();
        setStateName(stateName);
    }
    State state = stateMachine.getStates().get(stateName);
    if (state == null) {
        throw new EngineExecutionException("State[" + stateName + "] is not exist", FrameworkErrorCode.ObjectNotExists);
    }
    return state;
}

Example 3 with EngineExecutionException

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

the class CompensationTriggerStateHandler method process.

@Override
public void process(ProcessContext context) throws EngineExecutionException {
    StateInstruction instruction = context.getInstruction(StateInstruction.class);
    StateMachineInstance stateMachineInstance = (StateMachineInstance) context.getVariable(DomainConstants.VAR_NAME_STATEMACHINE_INST);
    StateMachineConfig stateMachineConfig = (StateMachineConfig) context.getVariable(DomainConstants.VAR_NAME_STATEMACHINE_CONFIG);
    List<StateInstance> stateInstanceList = stateMachineInstance.getStateList();
    if (CollectionUtils.isEmpty(stateInstanceList)) {
        stateInstanceList = stateMachineConfig.getStateLogStore().queryStateInstanceListByMachineInstanceId(stateMachineInstance.getId());
    }
    List<StateInstance> stateListToBeCompensated = CompensationHolder.findStateInstListToBeCompensated(context, stateInstanceList);
    if (CollectionUtils.isNotEmpty(stateListToBeCompensated)) {
        // Clear exceptions that occur during forward execution
        Exception e = (Exception) context.removeVariable(DomainConstants.VAR_NAME_CURRENT_EXCEPTION);
        if (e != null) {
            stateMachineInstance.setException(e);
        }
        Stack<StateInstance> stateStackToBeCompensated = CompensationHolder.getCurrent(context, true).getStateStackNeedCompensation();
        stateStackToBeCompensated.addAll(stateListToBeCompensated);
        // and the forward state should not be modified.
        if (stateMachineInstance.getStatus() == null || ExecutionStatus.RU.equals(stateMachineInstance.getStatus())) {
            stateMachineInstance.setStatus(ExecutionStatus.UN);
        }
        // Record the status of the state machine as "compensating", and the subsequent routing logic will route
        // to the compensation state
        stateMachineInstance.setCompensationStatus(ExecutionStatus.RU);
        context.setVariable(DomainConstants.VAR_NAME_CURRENT_COMPEN_TRIGGER_STATE, instruction.getState(context));
    } else {
        EngineUtils.endStateMachine(context);
    }
}

Example 4 with EngineExecutionException

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

the class ScriptTaskStateHandler method process.

@Override
public void process(ProcessContext context) throws EngineExecutionException {
    StateInstruction instruction = context.getInstruction(StateInstruction.class);
    ScriptTaskStateImpl state = (ScriptTaskStateImpl) instruction.getState(context);
    String scriptType = state.getScriptType();
    String scriptContent = state.getScriptContent();
    Object result;
    try {
        List<Object> input = (List<Object>) context.getVariable(DomainConstants.VAR_NAME_INPUT_PARAMS);
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug(">>>>>>>>>>>>>>>>>>>>>> Start to execute ScriptTaskState[{}], ScriptType[{}], Input:{}", state.getName(), scriptType, input);
        }
        StateMachineConfig stateMachineConfig = (StateMachineConfig) context.getVariable(DomainConstants.VAR_NAME_STATEMACHINE_CONFIG);
        ScriptEngine scriptEngine = getScriptEngineFromCache(scriptType, stateMachineConfig.getScriptEngineManager());
        if (scriptEngine == null) {
            throw new EngineExecutionException("No such ScriptType[" + scriptType + "]", FrameworkErrorCode.ObjectNotExists);
        }
        Bindings bindings = null;
        Map<String, Object> inputMap = null;
        if (CollectionUtils.isNotEmpty(input) && input.get(0) instanceof Map) {
            inputMap = (Map<String, Object>) input.get(0);
        }
        List<Object> inputExps = state.getInput();
        if (CollectionUtils.isNotEmpty(inputExps) && inputExps.get(0) instanceof Map) {
            Map<String, Object> inputExpMap = (Map<String, Object>) inputExps.get(0);
            if (inputExpMap.size() > 0) {
                bindings = new SimpleBindings();
                for (String property : inputExpMap.keySet()) {
                    if (inputMap != null && inputMap.containsKey(property)) {
                        bindings.put(property, inputMap.get(property));
                    } else {
                        // if we do not bind the null value property, groovy will throw MissingPropertyException
                        bindings.put(property, null);
                    }
                }
            }
        }
        if (bindings != null) {
            result = scriptEngine.eval(scriptContent, bindings);
        } else {
            result = scriptEngine.eval(scriptContent);
        }
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("<<<<<<<<<<<<<<<<<<<<<< ScriptTaskState[{}], ScriptType[{}], Execute finish. result: {}", state.getName(), scriptType, result);
        }
        if (result != null) {
            ((HierarchicalProcessContext) context).setVariableLocally(DomainConstants.VAR_NAME_OUTPUT_PARAMS, result);
        }
    } catch (Throwable e) {
        LOGGER.error("<<<<<<<<<<<<<<<<<<<<<< ScriptTaskState[{}], ScriptTaskState[{}] Execute failed.", state.getName(), scriptType, e);
        ((HierarchicalProcessContext) context).setVariableLocally(DomainConstants.VAR_NAME_CURRENT_EXCEPTION, e);
        EngineUtils.handleException(context, state, e);
    }
}

Example 5 with EngineExecutionException

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

the class ProcessCtrlStateMachineEngine method compensateInternal.

public StateMachineInstance compensateInternal(String stateMachineInstId, Map<String, Object> replaceParams, boolean async, AsyncCallback callback) throws EngineExecutionException {
    StateMachineInstance stateMachineInstance = reloadStateMachineInstance(stateMachineInstId);
    if (stateMachineInstance == null) {
        throw new EngineExecutionException("StateMachineInstance is not exits", FrameworkErrorCode.StateMachineInstanceNotExists);
    }
    if (ExecutionStatus.SU.equals(stateMachineInstance.getCompensationStatus())) {
        return stateMachineInstance;
    }
    if (stateMachineInstance.getCompensationStatus() != null) {
        ExecutionStatus[] denyStatus = new ExecutionStatus[] { ExecutionStatus.SU };
        checkStatus(stateMachineInstance, null, denyStatus, null, stateMachineInstance.getCompensationStatus(), "compensate");
    }
    if (replaceParams != null) {
        stateMachineInstance.getEndParams().putAll(replaceParams);
    }
    ProcessContextBuilder contextBuilder = ProcessContextBuilder.create().withProcessType(ProcessType.STATE_LANG).withOperationName(DomainConstants.OPERATION_NAME_COMPENSATE).withAsyncCallback(callback).withStateMachineInstance(stateMachineInstance).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);
    CompensationTriggerStateImpl tempCompensationTriggerState = new CompensationTriggerStateImpl();
    tempCompensationTriggerState.setStateMachine(stateMachineInstance.getStateMachine());
    stateMachineInstance.setRunning(true);
    if (LOGGER.isInfoEnabled()) {
        LOGGER.info("Operation [compensate] start.  stateMachineInstance[id:" + stateMachineInstance.getId() + "]");
    }
    if (stateMachineInstance.getStateMachine().isPersist()) {
        stateMachineConfig.getStateLogStore().recordStateMachineRestarted(stateMachineInstance, context);
    }
    try {
        StateInstruction inst = new StateInstruction();
        inst.setTenantId(stateMachineInstance.getTenantId());
        inst.setStateMachineName(stateMachineInstance.getStateMachine().getName());
        inst.setTemporaryState(tempCompensationTriggerState);
        context.setInstruction(inst);
        if (async) {
            stateMachineConfig.getAsyncProcessCtrlEventPublisher().publish(context);
        } else {
            stateMachineConfig.getProcessCtrlEventPublisher().publish(context);
        }
    } catch (EngineExecutionException e) {
        LOGGER.error("Operation [compensate] failed", e);
        throw e;
    }
    return stateMachineInstance;
}