Java Code Examples for org.activiti.engine.impl.pvm.process.ActivityImpl#getProperty()

public String findParallelGatewayId(ActivityImpl activityImpl) {  
    List<PvmTransition> incomingTransitions = activityImpl  
            .getOutgoingTransitions();  
    for (PvmTransition pvmTransition : incomingTransitions) {  
        TransitionImpl transitionImpl = (TransitionImpl) pvmTransition;  
        activityImpl = transitionImpl.getDestination();  
        String type = (String) activityImpl.getProperty("type");  
        if ("parallelGateway".equals(type)) {// 并行路线  
            String gatewayId = activityImpl.getId();  
            String gatewayType = gatewayId.substring(gatewayId  
                    .lastIndexOf("_") + 1);  
            if ("END".equals(gatewayType.toUpperCase())) {  
                return gatewayId.substring(0, gatewayId.lastIndexOf("_"))  
                        + "_start";  
            }  
        }  
    }  
    return null;  
}
 

/** 
 * 根据当前节点，查询输出流向是否为并行终点，如果为并行终点，则拼装对应的并行起点ID 
 *  
 * @param activityImpl 
 *            当前节点 
 * @return 
 */  
private static String findParallelGatewayId(ActivityImpl activityImpl) {  
    List<PvmTransition> incomingTransitions = activityImpl  
            .getOutgoingTransitions();  
    for (PvmTransition pvmTransition : incomingTransitions) {  
        TransitionImpl transitionImpl = (TransitionImpl) pvmTransition;  
        activityImpl = transitionImpl.getDestination();  
        String type = (String) activityImpl.getProperty("type");  
        if ("parallelGateway".equals(type)) {// 并行路线  
            String gatewayId = activityImpl.getId();  
            String gatewayType = gatewayId.substring(gatewayId  
                    .lastIndexOf("_") + 1);  
            if ("END".equals(gatewayType.toUpperCase())) {  
                return gatewayId.substring(0, gatewayId.lastIndexOf("_"))  
                        + "_start";  
            }  
        }  
    }  
    return null;  
}
 

/**
 * 根据当前节点，查询输出流向是否为并行终点，如果为并行终点，则拼装对应的并行起点ID
 * @param activityImpl   当前节点
 * @return
 */
private String findParallelGatewayId(ActivityImpl activityImpl){
    List<PvmTransition> incomingTransitions = activityImpl.getOutgoingTransitions();

    for(PvmTransition pvmTransition : incomingTransitions){
        TransitionImpl transitionImpl = (TransitionImpl)pvmTransition;
        activityImpl = transitionImpl.getDestination();
        String type = (String)activityImpl.getProperty("type");
        if("parallelGateway".equals(type)){ //并行路线
            String gatewayId = activityImpl.getId();
            String gettewayType = gatewayId.substring(gatewayId.lastIndexOf("_")+1);
            if("END".equals(gettewayType.toUpperCase())){
                return gatewayId.substring(0, gatewayId.lastIndexOf("_"))+"_start";
            }
        }
    }

    return null;
}
 

/**
 * 退回流程.
 * 
 * @return 0-退回成功 1-流程结束 2-下一结点已经通过,不能退回
 */
public Integer execute(CommandContext commandContext) {
    // 获得任务
    TaskEntity taskEntity = this.findTask(commandContext);

    // 找到想要回退到的节点
    ActivityImpl targetActivity = this.findTargetActivity(commandContext,
            taskEntity);
    logger.info("rollback to {}", this.activityId);
    logger.info("{}", targetActivity.getProperties());

    String type = (String) targetActivity.getProperty("type");

    if ("userTask".equals(type)) {
        logger.info("rollback to userTask");
        this.rollbackUserTask(commandContext);
    } else if ("startEvent".equals(type)) {
        logger.info("rollback to startEvent");
        this.rollbackStartEvent(commandContext);
    } else {
        throw new IllegalStateException("cannot rollback " + type);
    }

    return 0;
}
 

/**
 * 查询 运行时 流程任务节点名
 *
 * @param businessKey
 * @return
 */
public static String getActivityName(String businessKey) {
    String activityName = "未知";
    ProcessInstance instance = ActivitiKit.getRuntimeService().createProcessInstanceQuery()
            .processInstanceBusinessKey(businessKey)
            .singleResult();
    if (instance != null) {
        ActivityImpl activity = ActivitiKit.getActivity(instance.getProcessDefinitionId(), instance.getActivityId());
        if (activity != null) {
            activityName = (String) activity.getProperty("name");
        }
    }
    return activityName;
}
 

/**
 * getBoundaryEventOutgoingTransitions
 *
 * @param activity
 * @return
 */
private List<PvmTransition> getBoundaryEventOutgoingTransitions(ActivityImpl activity) {
    List<PvmTransition> boundaryTrans = new ArrayList<PvmTransition>();
    for (ActivityImpl subActivity : activity.getActivities()) {
        String type = (String) subActivity.getProperty("type");
        if (type != null && type.toLowerCase().indexOf("boundary") >= 0) {
            boundaryTrans.addAll(subActivity.getOutgoingTransitions());
        }
    }
    return boundaryTrans;
}
 

@Override
public void execute(InterpretableExecution execution) {
    ActivityImpl activity = (ActivityImpl) execution.getActivity();

    ActivityBehavior activityBehavior = activity.getActivityBehavior();
    if (activityBehavior == null) {
        throw new PvmException("no behavior specified in " + activity);
    }

    LOGGER.debug("{} executes {}: {}", execution, activity, activityBehavior.getClass().getName());

    try {
        if (Context.getProcessEngineConfiguration() != null && Context.getProcessEngineConfiguration().getEventDispatcher().isEnabled()) {
            Context.getProcessEngineConfiguration().getEventDispatcher().dispatchEvent(
                    ActivitiEventBuilder.createActivityEvent(FlowableEngineEventType.ACTIVITY_STARTED,
                            execution.getActivity().getId(),
                            (String) execution.getActivity().getProperty("name"),
                            execution.getId(),
                            execution.getProcessInstanceId(),
                            execution.getProcessDefinitionId(),
                            (String) activity.getProperties().get("type"),
                            activity.getActivityBehavior().getClass().getCanonicalName()));
        }

        activityBehavior.execute(execution);

    } catch (ActivitiException e) {
        throw e;
    } catch (Throwable t) {
        LogMDC.putMDCExecution(execution);
        throw new ActivitiActivityExecutionException("couldn't execute activity <" + activity.getProperty("type") + " id=\"" + activity.getId() + "\" ...>: " + t.getMessage(), t);
    }
}
 

@Override
public void setActivity(ActivityImpl activity) {
    this.activity = activity;
    if (activity != null) {
        this.activityId = activity.getId();
        this.activityName = (String) activity.getProperty("name");
    } else {
        this.activityId = null;
        this.activityName = null;
    }
}
 

protected void createAssociation(BpmnParse bpmnParse, Association association, ScopeImpl parentScope) {
    BpmnModel bpmnModel = bpmnParse.getBpmnModel();
    if (bpmnModel.getArtifact(association.getSourceRef()) != null ||
            bpmnModel.getArtifact(association.getTargetRef()) != null) {

        // connected to a text annotation so skipping it
        return;
    }

    ActivityImpl sourceActivity = parentScope.findActivity(association.getSourceRef());
    ActivityImpl targetActivity = parentScope.findActivity(association.getTargetRef());

    // an association may reference elements that are not parsed as activities (like for instance
    // text annotations so do not throw an exception if sourceActivity or targetActivity are null)
    // However, we make sure they reference 'something':
    if (sourceActivity == null) {
        // bpmnModel.addProblem("Invalid reference sourceRef '" + association.getSourceRef() + "' of association element ", association.getId());
    } else if (targetActivity == null) {
        // bpmnModel.addProblem("Invalid reference targetRef '" + association.getTargetRef() + "' of association element ", association.getId());
    } else {
        if (sourceActivity.getProperty("type").equals("compensationBoundaryCatch")) {
            Object isForCompensation = targetActivity.getProperty(PROPERTYNAME_IS_FOR_COMPENSATION);
            if (isForCompensation == null || !(Boolean) isForCompensation) {
                LOGGER.warn("compensation boundary catch must be connected to element with isForCompensation=true");
            } else {
                ActivityImpl compensatedActivity = sourceActivity.getParentActivity();
                compensatedActivity.setProperty(BpmnParse.PROPERTYNAME_COMPENSATION_HANDLER_ID, targetActivity.getId());
            }
        }
    }
}
 

/**
 * 是否会签任务.
 */
public boolean isVote(DelegateTask delegateTask) {
    ExecutionEntity executionEntity = (ExecutionEntity) delegateTask
            .getExecution();
    ActivityImpl activityImpl = executionEntity.getActivity();

    return activityImpl.getProperty("multiInstance") != null;
}
 

/**
 * 是否会签任务.
 */
public boolean isVote(DelegateTask delegateTask) {
    ExecutionEntity executionEntity = (ExecutionEntity) delegateTask
            .getExecution();
    ActivityImpl activityImpl = executionEntity.getActivity();

    return activityImpl.getProperty("multiInstance") != null;
}
 

@Override
public void handleEvent(EventSubscriptionEntity eventSubscription, Object payload, CommandContext commandContext) {

    String configuration = eventSubscription.getConfiguration();
    if (configuration == null) {
        throw new ActivitiException("Compensating execution not set for compensate event subscription with id " + eventSubscription.getId());
    }

    ExecutionEntity compensatingExecution = commandContext.getExecutionEntityManager()
            .findExecutionById(configuration);

    ActivityImpl compensationHandler = eventSubscription.getActivity();

    if ((compensationHandler.getProperty(BpmnParse.PROPERTYNAME_IS_FOR_COMPENSATION) == null
            || !(Boolean) compensationHandler.getProperty(BpmnParse.PROPERTYNAME_IS_FOR_COMPENSATION))
            && compensationHandler.isScope()) {

        // descend into scope:
        List<CompensateEventSubscriptionEntity> eventsForThisScope = compensatingExecution.getCompensateEventSubscriptions();
        ScopeUtil.throwCompensationEvent(eventsForThisScope, compensatingExecution, false);

    } else {
        try {

            if (commandContext.getProcessEngineConfiguration().getEventDispatcher().isEnabled()) {
                commandContext.getProcessEngineConfiguration().getEventDispatcher().dispatchEvent(
                        ActivitiEventBuilder.createActivityEvent(FlowableEngineEventType.ACTIVITY_COMPENSATE,
                                compensationHandler.getId(),
                                (String) compensationHandler.getProperty("name"),
                                compensatingExecution.getId(),
                                compensatingExecution.getProcessInstanceId(),
                                compensatingExecution.getProcessDefinitionId(),
                                (String) compensatingExecution.getActivity().getProperties().get("type"),
                                compensatingExecution.getActivity().getActivityBehavior().getClass().getCanonicalName()));
            }
            compensatingExecution.setActivity(compensationHandler);

            // executing the atomic operation makes sure activity start events are fired
            compensatingExecution.performOperation(AtomicOperation.ACTIVITY_START);

        } catch (Exception e) {
            throw new ActivitiException("Error while handling compensation event " + eventSubscription, e);
        }

    }
}