Package org.apache.oodt.cas.workflow.structs

Examples of org.apache.oodt.cas.workflow.structs.WorkflowTask

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     * (non-Javadoc)
     *
     * @see org.apache.oodt.cas.workflow.repository.WorkflowRepository#getConditionsByTaskId(java.lang.String)
     */
    public List getConditionsByTaskId(String taskId) throws RepositoryException {
        WorkflowTask t = (WorkflowTask) taskMap.get(taskId);
        if (t != null) {
            return t.getConditions();
        } else
            return null;
    }
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     *
     * @see org.apache.oodt.cas.workflow.repository.WorkflowRepository#getConfigurationByTaskId(java.lang.String)
     */
    public WorkflowTaskConfiguration getConfigurationByTaskId(String taskId)
            throws RepositoryException {
        WorkflowTask task = (WorkflowTask) taskMap.get(taskId);
        return task.getTaskConfig();
    }
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                        + w.getName() + "]");

                System.out.println("Tasks: ");

                for (Iterator j = w.getTasks().iterator(); j.hasNext();) {
                    WorkflowTask task = (WorkflowTask) j.next();

                    System.out.println("Task: [class="
                            + task.getTaskInstanceClassName() + ", id="
                            + task.getTaskId() + ", name=" + task.getTaskName()
                            + ", order=" + task.getOrder() + ",reqMetFields="
                            + task.getRequiredMetFields() + "]");
                    System.out.println("Configuration: ");

                    for (Iterator k = task.getTaskConfig().getProperties()
                            .keySet().iterator(); k.hasNext();) {
                        String key = (String) k.next();
                        String value = (String) task.getTaskConfig()
                                .getProperties().get(key);

                        System.out.println("[name=" + key + ", value=" + value
                                + "]");
                    }

                    System.out.println("Conditions: ");

                    for (Iterator k = task.getConditions().iterator(); k
                            .hasNext();) {
                        WorkflowCondition condition = (WorkflowCondition) k
                                .next();
                        System.out.println("Condition: ["
                                + condition.getClass().getName() + ", id="
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                        if (taskElemList != null
                                && taskElemList.getLength() > 0) {
                            for (int j = 0; j < taskElemList.getLength(); j++) {
                                Element taskElem = (Element) taskElemList
                                        .item(j);
                                WorkflowTask task = XmlStructFactory
                                        .getWorkflowTask(taskElem, conditionMap);
                                if (task != null) {
                                    taskMap.put(task.getTaskId(), task);
                                }
                            }

                        }
                    }
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        return document;
    }
   
    private WorkflowTask getGlobalWorkflowConditionsTask(String workflowName, String workflowId, List<WorkflowCondition> conditions){
      WorkflowTask task = new WorkflowTask();
      task.setConditions(conditions);
      task.setTaskConfig(new WorkflowTaskConfiguration());
      task.setTaskId(workflowId+"-global-conditions-eval");
      task.setTaskName(workflowName+"-global-conditions-eval");
      task.setTaskInstanceClassName(NoOpTask.class.getName());
      this.taskMap.put(task.getTaskId(), task);
      return task;
    }
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    public static WorkflowTask getWorkflowTask(ResultSet rs, boolean setOrder)
            throws SQLException {
        String taskClassName = rs.getString("workflow_task_class");

        if (taskClassName != null) {
            WorkflowTask task = new WorkflowTask();
            task.setTaskInstanceClassName(taskClassName);
            task.setTaskId(String.valueOf(rs.getInt("workflow_task_id")));
            task.setTaskName(rs.getString("workflow_task_name"));
            if (setOrder) {
                task.setOrder(rs.getInt("task_order"));
            }
            return task;
        } else
            return null;
    }
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   * @see org.apache.oodt.cas.workflow.engine.runner.EngineRunner#execute(org.apache.oodt.cas.workflow.engine.processor.TaskProcessor)
   */
  @Override
  public void execute(TaskProcessor taskProcessor) throws Exception {
    Job workflowTaskJob = new Job();
    WorkflowTask workflowTask = getTaskFromProcessor(taskProcessor);
    workflowTaskJob.setName(workflowTask.getTaskId());
    workflowTaskJob
        .setJobInstanceClassName("org.apache.oodt.cas.workflow.structs.TaskJob");
    workflowTaskJob
        .setJobInputClassName("org.apache.oodt.cas.workflow.structs.TaskJobInput");
    workflowTaskJob.setLoadValue(new Integer(2));
    workflowTaskJob.setQueueName(workflowTask.getTaskConfig().getProperty(
        QUEUE_NAME) != null ? workflowTask.getTaskConfig().getProperty(
        QUEUE_NAME) : DEFAULT_QUEUE_NAME);

    if (workflowTask.getTaskConfig().getProperty(TASK_LOAD) != null) {
      workflowTaskJob.setLoadValue(Integer.valueOf(workflowTask.getTaskConfig()
          .getProperty(TASK_LOAD)));
    }

    TaskJobInput in = new TaskJobInput();
    in.setDynMetadata(taskProcessor.getWorkflowInstance().getSharedContext());
    in.setTaskConfig(workflowTask.getTaskConfig());
    in.setWorkflowTaskInstanceClassName(workflowTask.getTaskInstanceClassName());

    try {
      this.currentJobId = rClient.submitJob(workflowTaskJob, in);
    } catch (JobExecutionException e) {
      LOG.log(Level.WARNING,
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                  "initial",
                  "Sub Pre Condition Workflow created by Workflow Processor Queue for workflow instance: "
                      + "[" + inst.getId() + "]");
          instance.setState(condWorkflowState);
          instance.setPriority(inst.getPriority());
          WorkflowTask conditionTask = toConditionTask(cond);
          instance.setCurrentTaskId(conditionTask.getTaskId());
          Graph condGraph = new Graph();
          condGraph.setExecutionType("condition");
          condGraph.setCond(cond);
          condGraph.setTask(conditionTask);
          ParentChildWorkflow workflow = new ParentChildWorkflow(condGraph);
          workflow.setId("pre-cond-workflow-"
              + inst.getParentChildWorkflow().getId());
          workflow.setName("Pre Condition Workflow-" + cond.getConditionName());
          workflow.getTasks().add(conditionTask);
          instance.setParentChildWorkflow(workflow);
          this.addToModelRepo(workflow);
          persist(instance);
          WorkflowProcessor subProcessor = fromWorkflowInstance(instance);
          processor.getSubProcessors().add(subProcessor);
          synchronized (processorCache) {
            processorCache.put(instance.getId(), subProcessor);
          }
        }

        // handle its tasks
        for (WorkflowTask task : inst.getParentChildWorkflow().getTasks()) {
          WorkflowInstance instance = new WorkflowInstance();
          WorkflowState taskWorkflowState = lifecycle.getDefaultLifecycle()
              .createState(
                  "Null",
                  "initial",
                  "Sub Task Workflow created by Workflow Processor Queue for workflow instance: "
                      + "[" + inst.getId() + "]");
          instance.setState(taskWorkflowState);
          instance.setPriority(inst.getPriority());
          instance.setCurrentTaskId(task.getTaskId());
          Graph taskGraph = new Graph();
          taskGraph.setExecutionType("task");
          taskGraph.setTask(task);
          ParentChildWorkflow workflow = new ParentChildWorkflow(taskGraph);
          workflow.setId("task-workflow-"
              + inst.getParentChildWorkflow().getId());
          workflow.setName("Task Workflow-" + task.getTaskName());
          workflow.getTasks().add(task);
          workflow.getGraph().setTask(task);
          instance.setParentChildWorkflow(workflow);
          this.addToModelRepo(workflow);
          persist(instance);
          WorkflowProcessor subProcessor = fromWorkflowInstance(instance);
          processor.getSubProcessors().add(subProcessor);
          synchronized (processorCache) {
            processorCache.put(instance.getId(), subProcessor);
          }
        }

        // handle its post conditions
        for (WorkflowCondition cond : inst.getParentChildWorkflow()
            .getPostConditions()) {
          WorkflowInstance instance = new WorkflowInstance();
          WorkflowState condWorkflowState = lifecycle
              .getDefaultLifecycle()
              .createState(
                  "Null",
                  "initial",
                  "Sub Post Condition Workflow created by Workflow Processor Queue for workflow instance: "
                      + "[" + inst.getId() + "]");
          instance.setState(condWorkflowState);
          instance.setPriority(inst.getPriority());
          WorkflowTask conditionTask = toConditionTask(cond);
          instance.setCurrentTaskId(conditionTask.getTaskId());
          Graph condGraph = new Graph();
          condGraph.setExecutionType("condition");
          condGraph.setCond(cond);
          condGraph.setTask(conditionTask);
          ParentChildWorkflow workflow = new ParentChildWorkflow(condGraph);
          workflow.setId("post-cond-workflow-"
              + inst.getParentChildWorkflow().getId());
          workflow
              .setName("Post Condition Workflow-" + cond.getConditionName());
          workflow.getTasks().add(conditionTask);
          instance.setParentChildWorkflow(workflow);
          this.addToModelRepo(workflow);
          persist(instance);
          WorkflowProcessor subProcessor = fromWorkflowInstance(instance);
          processor.getSubProcessors().add(subProcessor);
          synchronized (processorCache) {
            processorCache.put(instance.getId(), subProcessor);
          }
        }

      } else {
        // it's not a composite workflow, and it's either just a task processor
        // or a condition processor
        if (inst.getParentChildWorkflow().getGraph().getExecutionType()
            .equals("task")) {
          processor = new TaskProcessor(lifecycle, inst);
          WorkflowState taskProcessorState = getLifecycle(
              inst.getParentChildWorkflow()).createState(
              "Loaded",
              "initial",
              "Task Workflow instance with id: [" + inst.getId()
                  + "] loaded by processor queue.");
          inst.setState(taskProcessorState);

          // handle its pre-conditions
          for (WorkflowCondition cond : inst.getParentChildWorkflow()
              .getGraph().getTask().getPreConditions()) {
            WorkflowInstance instance = new WorkflowInstance();
            WorkflowState condWorkflowState = lifecycle
                .getDefaultLifecycle()
                .createState(
                    "Null",
                    "initial",
                    "Sub Pre Condition Workflow for Task created by Workflow Processor Queue for workflow instance: "
                        + "[" + inst.getId() + "]");
            instance.setState(condWorkflowState);
            instance.setPriority(inst.getPriority());
            WorkflowTask conditionTask = toConditionTask(cond);
            instance.setCurrentTaskId(conditionTask.getTaskId());
            Graph condGraph = new Graph();
            condGraph.setExecutionType("condition");
            condGraph.setCond(cond);
            condGraph.setTask(conditionTask);
            ParentChildWorkflow workflow = new ParentChildWorkflow(condGraph);
            workflow.setId("pre-cond-workflow-"
                + inst.getParentChildWorkflow().getGraph().getTask()
                    .getTaskId());
            workflow.setName("Task Pre Condition Workflow-"
                + cond.getConditionName());
            workflow.getTasks().add(conditionTask);
            instance.setParentChildWorkflow(workflow);
            this.addToModelRepo(workflow);
            persist(instance);
            WorkflowProcessor subProcessor = fromWorkflowInstance(instance);
            processor.getSubProcessors().add(subProcessor);
            synchronized (processorCache) {
              processorCache.put(instance.getId(), subProcessor);
            }
          }

          // handle its post-conditions
          for (WorkflowCondition cond : inst.getParentChildWorkflow()
              .getGraph().getTask().getPostConditions()) {
            WorkflowInstance instance = new WorkflowInstance();
            WorkflowState condWorkflowState = lifecycle
                .getDefaultLifecycle()
                .createState(
                    "Null",
                    "initial",
                    "Sub Post Condition Workflow for Task created by Workflow Processor Queue for workflow instance: "
                        + "[" + inst.getId() + "]");
            instance.setState(condWorkflowState);
            instance.setPriority(inst.getPriority());
            WorkflowTask conditionTask = toConditionTask(cond);
            instance.setCurrentTaskId(conditionTask.getTaskId());
            Graph condGraph = new Graph();
            condGraph.setExecutionType("condition");
            condGraph.setCond(cond);
            condGraph.setTask(conditionTask);
            ParentChildWorkflow workflow = new ParentChildWorkflow(condGraph);
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    }
  }
 
  private synchronized WorkflowTask toConditionTask(WorkflowCondition cond){   
    String taskId = cond.getConditionId()+"-task"; // TODO: this is incompat with DataSourceWorkflowRepository
    WorkflowTask condTask = safeGetTaskById(taskId);
    if(condTask != null) return condTask;
    condTask = new WorkflowTask();
    condTask.setTaskId(taskId);
    condTask.setTaskInstanceClassName(ConditionTaskInstance.class.getCanonicalName());
    condTask.setTaskName(cond.getConditionName()+" Task");
    WorkflowTaskConfiguration config = new WorkflowTaskConfiguration();
    config.getProperties().putAll(cond.getCondConfig().getProperties());
    // this one is a special one that will be removed by the ConditionTaskInstance class
    config.addConfigProperty("ConditionClassName", cond.getConditionInstanceClassName());
    condTask.setTaskConfig(config);
    this.addTaskToModelRepo(condTask);
    return condTask;
  }
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    this.addTaskToModelRepo(condTask);
    return condTask;
  }
 
  private WorkflowTask safeGetTaskById(String taskId){
    WorkflowTask task = null;
      try{
        if((task = this.modelRepo.getTaskById(taskId)) != null){
          return task;
        }
      }
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