Examples of org.openbp.server.context.WorkflowTask

org.openbp.server.context.WorkflowTask
Workflow task. A workflow task is a portion of work to perform by a particular user or role as part of a workflow process. A workflow task is created by a workflow node.
A workflow task is assigned either to a particular user (i. e. only this user can process the workflow task) or to a role (indicating that any user fullfilling this role can process the workflow task).
Optionally, the workflow task has a defined due time. If the due time expires (or if the workflow task is assigned to another user or cancelled), a status change will be triggered in the process that created the workflow task. The workflow task has a state that indicates if it can be selected for processing, is being processed or has been completed.
The state may also indicate that an error occured during processing. Note that the process engine does not set the STATUS_ERROR value explicitely due to transaction reasons. The error indicator is meant to be set by the application program. Note that the bean implements the java.io.Serializable interface. Beans that are used in OpeenBP processes need to be serializable in order to support token context serialization for clustering. If you add a member that references another object, either make sure that this object are also serializable or prefix the member with the 'transient' keyword if you don't want it to be serialized.

    // The any workflow tasks that are associated with our process.
    WorkflowTaskCriteria criteria = new WorkflowTaskCriteria();
    criteria.setTokenContext(token);
    Iterator it = processFacade.getworkflowTasks(criteria);
    assertTrue(it.hasNext());
    WorkflowTask task = (WorkflowTask) it.next();


    TokenContext taskToken = task.getTokenContext();


    // Check the process variables of the token context
    Object p2 = taskToken.getProcessVariableValue("globalObject");
    assertTrue(p2 instanceof PersistedComplexParam);
    PersistedComplexParam rcp2 = (PersistedComplexParam) p2;

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  public void executeModelObject(ModelObject mo, EngineExecutor ee)
  {
    TokenContext context = ee.getTokenContext();
    NodeSocket entrySocket = context.getCurrentSocket();


    WorkflowTask workflowTask = createWorkflowTask(entrySocket, context);


    // Continue with the 'TaskPublished' socket
    NodeSocket nextSocket = getEngine().resolveSocketRef(CoreConstants.SOCKET_TASK_PUBLISHED, entrySocket, context, false);


    if (nextSocket != null)

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    TokenContextService contextService = getEngine().getTokenContextService();


    WorkflowNode node = (WorkflowNode) entrySocket.getNode();


    // Create a new workflow task
    WorkflowTask workflowTask = contextService.createWorkflowTask(context);


    // Update the current task from the entry socket and the prototype
    WorkflowTaskDescriptor prototype = node.getWorkflowTaskDescriptor();
    updateWorkflowTaskFromPrototype(workflowTask, entrySocket, context, prototype);


    // Update the creating user and creation date if not present already
    if (workflowTask.getCreatingUserId() == null)
    {
      workflowTask.setCreatingUserId(context.getUserId());
    }
    if (workflowTask.getTimeCreated() == null)
    {
      workflowTask.setTimeCreated(new Timestamp(System.currentTimeMillis()));
    }


    // This is an active workflow task now.
    workflowTask.setStatus(WorkflowTask.STATUS_ENABLED);


    workflowTask = contextService.addWorkflowTask(workflowTask);


    return workflowTask;
  }

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    boolean deleteContext = context.isDeleteAfterCompletion();
    if (deleteContext)
    {
      for (Iterator itTask = tokenContextService.getworkflowTasks(criteria); itTask.hasNext();)
      {
        WorkflowTask workflowTask = (WorkflowTask) itTask.next();
        if (workflowTask.getId() != null)
        {
          if (! workflowTask.isDeleteAfterCompletion())
          {
            deleteContext = false;
          }
        }
      }
    }


    // End all child contexts.
    // Copy the list in order to prevent a concurrent modification exception
    for (Iterator it = tokenContextService.getChildContexts(context); it.hasNext();)
    {
      TokenContext childContext = (TokenContext) it.next();
      endToken(childContext);
    }


    TokenContext parentContext = context.getParentContext();
    if (parentContext != null)
    {
      parentContext.removeChildContext(context);
    }
    context.setParentContext(null);


    for (Iterator itTask = tokenContextService.getworkflowTasks(criteria); itTask.hasNext();)
    {
      WorkflowTask workflowTask = (WorkflowTask) itTask.next();
      if (workflowTask.getId() != null)
      {
        if (workflowTask.isDeleteAfterCompletion())
        {
          tokenContextService.deleteWorkflowTask(workflowTask);
        }
        else
        {
          workflowTask.setStatus(WorkflowTask.STATUS_COMPLETED);
          tokenContextService.saveWorkflowTask(workflowTask);
        }
      }
    }

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    // Get the workflow task that is associated with our process.
    WorkflowTaskCriteria criteria = new WorkflowTaskCriteria();
    criteria.setTokenContext(token);
    Iterator it = getProcessFacade().getworkflowTasks(criteria);
    assertTrue(it.hasNext());
    WorkflowTask task = (WorkflowTask) it.next();


    TokenContext taskToken = task.getTokenContext();


    // Check the process variables of the token context
    Object p2 = taskToken.getProcessVariableValue("globalObject");
    assertTrue(p2 instanceof PersistedComplexParam);
    PersistedComplexParam rcp2 = (PersistedComplexParam) p2;

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   * and a value greater than 0 if the argument is a string lexicographically less than this object.
   * @throws ClassCastException if the argument is not a WorkflowTask.
   */
  public int compareTo(final Object o)
  {
    WorkflowTask w1 = this;
    WorkflowTask w2 = (WorkflowTask) o;
    int ret;


    Integer p1 = new Integer(w1.getPriority());
    Integer p2 = new Integer(w2.getPriority());
    ret = CommonUtil.compareNull(p1, p2);
    if (ret != 0)
      return ret;


    Timestamp d1 = w1.getDueTime();
    Timestamp d2 = w2.getDueTime();
    ret = CommonUtil.compareNull(d1, d2);
    if (ret != 0)
      return ret;


    Timestamp c1 = w1.getTimeCreated();
    Timestamp c2 = w2.getTimeCreated();
    ret = CommonUtil.compareNull(c1, c2);
    if (ret != 0)
      return ret;


    String x1 = w1.getDisplayName();
    String x2 = w2.getDisplayName();
    ret = CommonUtil.compareNull(x1, x2);
    if (ret != 0)
      return ret;


    String y1 = w1.getName();
    String y2 = w2.getName();
    return CommonUtil.compareNull(y1, y2);
  }

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org.openbp.server.engine.EngineImpl

org.openbp.server.engine.executor.WorkflowNodeExecutor

org.openbp.server.persistence.cayenne.CayenneWorkflowTaskImpl

org.openbp.server.test.JpaWorkflowTaskTestService

org.openbp.server.test.WorkflowTaskTest

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