Package org.jbpm.pvm.internal.model

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

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    }
    execution.take(transition);
  }

  private Transition findTransition(ExecutionImpl execution) {
    Activity activity = execution.getActivity();
    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();
    List<Transition> outgoingTransitions = activity.getOutgoingTransitions();
    ActivityImpl parentActivity = (ActivityImpl) activity.getParentActivity();

    if ( (parentActivity!=null)
         && ("group".equals(parentActivity.getType()))
       ) {
      // if the end activity itself has an outgoing transition
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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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    if (oldName == null)
      return;
    String newName = migrationDescriptor.getNewName(MigrationDescriptor.ACTIVITY_TYPE, oldName);
    if (newName == null)
      newName = oldName;
    Activity newActivity = ((ProcessDefinitionImpl) processDefinition).getActivity(newName);
    if (newActivity != null) {
      ((ExecutionImpl) execution).setActivity(newActivity);
    } else {
      throw new JbpmException("the activity " + newActivity + " could not be found in the new process definition.");
    }
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    }
    execution.take(transition);
  }

  public static Transition findTransitionUsingConditions(ExecutionImpl execution) {
    Activity activity = execution.getActivity();
    List<Transition> outgoingTransitions = activity.getOutgoingTransitions();
    for (Transition transition : outgoingTransitions) {
      Condition condition = transition.getCondition();
      if  ( (condition==null)
            || (condition.evaluate(execution))
          ) {
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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 = EnvironmentImpl.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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  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 = EnvironmentImpl .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()) ) {
     
      // Lookup the outgoing transition
     
      boolean noOutcomeSpecified =TaskConstants.NO_TASK_OUTCOME_SPECIFIED.equals(signalName);
      if (noOutcomeSpecified && activity.findOutgoingTransition(signalName) == null) {
        // When no specific outcome was specified, the unnamed transition
        // is looked up (name is null). If a null outcome was specifically
        // used, then the else clause will be used (but the result is the same)
        // Note: the second part of the if clause is to avoid the siutation
        // where the user would have chosen the same name as the constant
        transition = activity.findOutgoingTransition(null);
      } else {
        transition = activity.findOutgoingTransition(signalName);       
      }
     
      // If no transition has been found, we check if we have a special case
      // in which we can still deduce the outgoing 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;

    ScriptManager scriptManager = ScriptManager.getScriptManager();
    Object result = scriptManager.evaluateExpression(expression, language);
    if ( (result!=null)
         && (! (result instanceof String))
       ) {
      throw new JbpmException("expression '"+expression+"' 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 '"+expression+"' 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 decisionHandler = null;
   
    if (decisionHandlerReference!=null) {
      decisionHandler = (DecisionHandler) decisionHandlerReference.getObject(execution);
    }
   
    if (decisionHandler==null) {
      throw new JbpmException("no decision handler specified");
    }
   
    transitionName = decisionHandler.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();
   
    // 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 = EnvironmentImpl.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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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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