Package org.jbpm.pvm.internal.model

Examples of org.jbpm.pvm.internal.model.Activity

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  protected static void fireLifeCycleEvent(String eventName, TaskImpl task) {
    ExecutionImpl lifeCycleExecution = new ExecutionImpl();
    ProcessDefinitionImpl lifeCycleProcess = getLifeCycle(task);
    lifeCycleExecution.setProcessDefinition(lifeCycleProcess);
    String state = task.getState();
    Activity activity = lifeCycleProcess.getActivity(state);
    lifeCycleExecution.setActivity((ActivityImpl) activity);
    lifeCycleExecution.signal(eventName);
    task.setState(lifeCycleExecution.getActivity().getName());
  }
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  public void signal(ActivityExecution execution, String signalName, Map<String, ?> parameters) throws Exception {
    signal((ExecutionImpl)execution, signalName, parameters);
  }

  public void signal(ExecutionImpl execution, String signalName, Map<String, ?> parameters) throws Exception {
    Activity activity = execution.getActivity();
   
    if (parameters!=null) {
      execution.setVariables(parameters);
    }
   
    execution.fire(signalName, activity);

    DbSession taskDbSession = Environment
        .getFromCurrent(DbSession.class);
    TaskImpl task = (TaskImpl) taskDbSession.findTaskByExecution(execution);
    task.setSignalling(false);
   
    Transition transition = null;
    List<Transition> outgoingTransitions = activity.getOutgoingTransitions();
    if ( (outgoingTransitions!=null)
         && (!outgoingTransitions.isEmpty())
       ) {
      transition = activity.findOutgoingTransition(signalName);
      if (transition==null) {
        if (Task.STATE_COMPLETED.equals(signalName)) {
          if (outgoingTransitions.size()==1) {
            transition = outgoingTransitions.get(0);
          } else {
            transition = activity.getDefaultOutgoingTransition();
          }
        } else {
          // if a user specified outcome was provided and it doesn't
          // match with an outgoing transition name, then the process
          // instance is suspended.  parked for admin intervention.
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  public void execute(ActivityExecution execution) {
    execute((ExecutionImpl) execution);
  }
 
  public void execute(ExecutionImpl execution) {
    Activity activity = execution.getActivity();
    String transitionName = null;

    ScriptManager scriptManager = EnvironmentDefaults.getScriptManager();
    Object result = scriptManager.evaluateExpression(expr, lang);
    if ( (result!=null)
         && (! (result instanceof String))
       ) {
      throw new JbpmException("expression '"+expr+"' in decision '"+activity.getName()+"' returned "+result.getClass().getName()+" instead of a transitionName (String): "+result);
    }
    transitionName = (String) result;
   
    Transition transition = activity.getOutgoingTransition(transitionName);
    if (transition==null) {
      throw new JbpmException("expression '"+expr+"' in decision '"+activity.getName()+"' returned unexisting outgoing transition name: "+transitionName);
    }
   
    execution.historyDecision(transitionName);

    execution.take(transition);
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  public void execute(ActivityExecution execution) {
    execute((ExecutionImpl) execution);
  }
 
  public void execute(ExecutionImpl execution) {
    Activity activity = execution.getActivity();
   
    String transitionName = null;

    DecisionHandler usedDecisionHandler = null;
    if (decisionHandler!=null) {
      usedDecisionHandler = decisionHandler;
     
    } else if (decisionHandlerName!=null) {
      Environment environment = Environment.getCurrent();
      Object object = environment.get(decisionHandlerName);
      if (object==null) {
        throw new JbpmException("decision handler for "+activity+" is null");
      }
      if (! (object instanceof DecisionHandler)) {
        throw new JbpmException("handler for decision is not a "+DecisionHandler.class.getName()+": "+object.getClass().getName());
      }
      usedDecisionHandler = (DecisionHandler) object;
    } else {
      throw new JbpmException("no decision handler specified");
    }
   
    transitionName = usedDecisionHandler.decide(execution);

    Transition transition = activity.getOutgoingTransition(transitionName);
    if (transition==null) {
      throw new JbpmException("handler in decision '"+activity.getName()+"' returned unexisting outgoing transition name: "+transitionName);
    }
   
    execution.historyDecision(transitionName);

    execution.take(transition);
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  public void execute(ActivityExecution execution) {
    execute((ExecutionImpl)execution);
  }

  public void execute(ExecutionImpl execution) {
    Activity activity = execution.getActivity();

    // evaluate the conditions and find the transitions that should be forked
    List<Transition> forkingTransitions = new ArrayList<Transition>();
    List<Transition> outgoingTransitions = activity.getOutgoingTransitions();
    for (Transition transition: outgoingTransitions) {
      Condition condition = transition.getCondition();
      if  ( (condition==null)
            || (condition.evaluate(execution))
          ) {
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  public void execute(ActivityExecution execution) {
    execute((ExecutionImpl)execution);
  }

  public void execute(ExecutionImpl execution) {
    Activity activity = execution.getActivity();
   
    // if this is a single, non concurrent root
    if (Execution.STATE_ACTIVE_ROOT.equals(execution.getState())) {
      // just pass through
      Transition transition = activity.getDefaultOutgoingTransition();
      if (transition==null) {
        throw new JbpmException("join must have an outgoing transition");
      }
      execution.take(transition);
     
    } else if (Execution.STATE_ACTIVE_CONCURRENT.equals(execution.getState())) {
     
      // force version increment in the parent execution
      Session session = Environment.getFromCurrent(Session.class);
      session.lock(execution.getParent(), lockMode);

      execution.setState(Execution.STATE_INACTIVE_JOIN);
      execution.waitForSignal();

      ExecutionImpl concurrentRoot = execution.getParent();
      List<ExecutionImpl> joinedExecutions = getJoinedExecutions(concurrentRoot, activity);
     
      if (isComplete(joinedExecutions, activity)) {
        endJoinedExecutions(joinedExecutions);

        ExecutionImpl outgoingExecution = null;
        if (concurrentRoot.getExecutions().size()==0) {
          outgoingExecution = concurrentRoot;
          outgoingExecution.setState(Execution.STATE_ACTIVE_ROOT);
        } else {
          outgoingExecution = concurrentRoot.createExecution();
          outgoingExecution.setState(Execution.STATE_ACTIVE_CONCURRENT);
        }

        execution.setActivity(activity, outgoingExecution);
        Transition transition = activity.getDefaultOutgoingTransition();
        if (transition==null) {
          throw new JbpmException("join must have an outgoing transition");
        }
        outgoingExecution.take(transition);
      }
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    execute((ExecutionImpl)execution);
  }
 
  public void execute(ExecutionImpl execution) {
    // find the start activity
    Activity activity = execution.getActivity();
    List<Activity> startActivities = findStartActivities(activity);
    if (startActivities.size()==1) {
      execution.execute(startActivities.get(0));
    } else {
     
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    signal((ExecutionImpl)execution, signalName, parameters);
  }

  public void signal(ExecutionImpl execution, String signalName, Map<String, ?> parameters) throws Exception {
    Transition transition = null;
    Activity activity = execution.getActivity();
    List<Transition> outgoingTransitions = activity.getOutgoingTransitions();
   
    int nbrOfOutgoingTransitions  = (outgoingTransitions!=null ? outgoingTransitions.size() : 0);
    if ( (signalName==null)
         && (nbrOfOutgoingTransitions==1)
       ) {
      transition = outgoingTransitions.get(0);
    } else {
      transition = activity.getOutgoingTransition(signalName);
    }
   
    execution.take(transition);
  }
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  public void signal(ActivityExecution execution, String signalName, Map<String, ?> parameters) throws Exception {
    signal((ExecutionImpl)execution, signalName, parameters);
  }

  public void signal(ExecutionImpl execution, String signalName, Map<String, ?> parameters) throws Exception {
    Activity activity = execution.getActivity();
   
    if (parameters!=null) {
      execution.setVariables(parameters);
    }
   
    execution.fire(signalName, activity);
   
    Transition transition = null;
    if ( (signalName==null)
         && (activity.getOutgoingTransitions()!=null)
         && (activity.getOutgoingTransitions().size()==1)
       ) {
      transition = activity.getOutgoingTransitions().get(0);
    } else {
      transition = activity.findOutgoingTransition(signalName);
    }
   
    if (transition!=null) {
      execution.historyActivityEnd(signalName);
      execution.take(transition);
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      for (SubProcessOutParameterImpl outParameter: outParameters) {
        outParameter.consume(executionImpl, subProcessInstance);
      }
     
      Activity activity = execution.getActivity();
      String subProcessActivityName = subProcessInstance.getActivityName();
     
      if (outcomeExpression!=null) {
        ScriptManager scriptManager = Environment.getFromCurrent(ScriptManager.class);
        Object value = scriptManager.evaluateExpression(outcomeExpression, null);
        // if the value is a String and matches the name of an outgoing transition
        if ( (value instanceof String)
             && (activity.hasOutgoingTransition(((String) value)))
           ) {
          // then take that one
          transitionName = (String) value;
        } else {
          // else see if there is a value mapping
          transitionName = outcomeVariableMappings.get(value);
        }

      } else if (activity.hasOutgoingTransition(subProcessActivityName)) {
        transitionName = subProcessActivityName;
      }

    } finally {
      if (subProcessExecutionContext!=null) {
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Related Classes of org.jbpm.pvm.internal.model.Activity

  • org.jbpm.jpdl.internal.activity.DecisionConditionActivity
  • org.jbpm.jpdl.internal.activity.DecisionExpressionActivity
  • org.jbpm.jpdl.internal.activity.DecisionHandlerActivity
  • org.jbpm.jpdl.internal.activity.EndActivity
  • org.jbpm.jpdl.internal.activity.ForkActivity
  • org.jbpm.jpdl.internal.activity.GroupActivity
  • org.jbpm.jpdl.internal.activity.JoinActivity
  • org.jbpm.jpdl.internal.activity.StateActivity
  • org.jbpm.jpdl.internal.activity.SubProcessActivity
  • org.jbpm.jpdl.internal.activity.TaskActivity
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