Examples of org.jbpm.JbpmContext

org.jbpm.JbpmContext
ase you update a process object that was not fetched // with a ...ForUpdate method, you have to save it. jbpmContext.save(processInstance); finally { jbpmContext.close(); }
A JbpmContext separates jBPM from a sprecific environment. For each service that jBPM uses, there is an interface specified in the jBPM codebase. jBPM also includes implementations that implement these services by using services in a specific environment. e.g. a hibernate session, a JMS asynchronous messaging system, ...

A JbpmContext can demarcate a transaction. When a PersistenceService is fetched from the JbpmContext, the default implementation for the persistence service will create a hibernate session and start a transaction. So that transactions can be configured in the hibernate configuration.

A JbpmContext allows the user to overwrite (or make complete) the configuration by injecting objects programmatically. like e.g. a hibernate session factory or a hibernate session or any other resource that can be fetched or created from the configuration.

Last but not least, JbpmContext provides convenient access to the most common operations such as {@link #getTaskList(String)}, {@link #newProcessInstance(String)}{@link #loadTaskInstanceForUpdate(long)} and {@link #save(ProcessInstance)}.

All the ...ForUpdate(...) methods will automatically save the loaded objects at jbpmContext.close();

    );


    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    TaskMgmtInstance taskMgmtInstance = processInstance.getTaskMgmtInstance();


    JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
    jbpmContext.setActorId("cookie monster");
    try {
      taskMgmtInstance.createStartTaskInstance().end();
    } finally {
      jbpmContext.setActorId(null);
      jbpmContext.close();
    }


    SwimlaneInstance swimlaneInstance = taskMgmtInstance.getSwimlaneInstance("initiator");
    assertNotNull(swimlaneInstance);
    assertEquals("cookie monster", swimlaneInstance.getActorId());

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  static {
    jbpmConfiguration.createSchema();
  }
  
  public static void deploy(ProcessDefinition processDefinition) {
    JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
    try {
      jbpmContext.deployProcessDefinition(processDefinition);
    } finally {
      jbpmContext.close();
    }
  }

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      "    </timer>" +
      "  </state>" +
      "</process-definition>"
    );


    JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
    try {
      TestSchedulerService testSchedulerService = (TestSchedulerService) jbpmContext.getServices().getSchedulerService();
      
      ProcessInstance processInstance = new ProcessInstance(processDefinition);
      processInstance.signal();
      
      assertEquals(1, testSchedulerService.createdTimers.size());
      Timer scheduledTimer = (Timer) testSchedulerService.createdTimers.get(0);
      assertEquals("reminder", scheduledTimer.name);
      assertEquals(processDefinition.getNode("catch crooks"), scheduledTimer.graphElement);
      System.out.println("due date: "+scheduledTimer.dueDate);
      assertNotNull(scheduledTimer.dueDate);
      assertEquals("10 business minutes", scheduledTimer.repeat);
      assertEquals("the-remainder-action-class-name", scheduledTimer.action.getActionDelegation().getClassName());
      assertSame(processInstance.getRootToken(), scheduledTimer.token);
      assertEquals("time-out-transition", scheduledTimer.transitionName);
    } finally {
      jbpmContext.close();
    }
  }

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      "  </state>" +
      "  <end-state name='end'/>" +
      "</process-definition>"
    );
    
    JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
    try {
      TestSchedulerService testSchedulerService = (TestSchedulerService) jbpmContext.getServices().getSchedulerService();
      
      ProcessInstance processInstance = new ProcessInstance(processDefinition);
      processInstance.signal();
      
      assertEquals(1, testSchedulerService.createdTimers.size());
      Timer scheduledTimer = (Timer) testSchedulerService.createdTimers.get(0);
      assertEquals("reminder", scheduledTimer.name);
      assertEquals(processDefinition.getNode("catch crooks"), scheduledTimer.graphElement);
      System.out.println("due date: "+scheduledTimer.dueDate);
      assertNotNull(scheduledTimer.dueDate);
      assertEquals("10 business minutes", scheduledTimer.repeat);
      assertEquals("the-remainder-action-class-name", scheduledTimer.action.getActionDelegation().getClassName());
      assertSame(processInstance.getRootToken(), scheduledTimer.token);
      assertEquals("time-out-transition", scheduledTimer.transitionName);
  
      // while we are at it, i might as well check if the cancel timer is not executed ;)
      processInstance.signal();
      assertEquals(0, testSchedulerService.cancelledTimersByName.size());
      
    } finally {
      jbpmContext.close();
    }
  }

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      "  </state>" +
      "  <end-state name='end'/>" +
      "</process-definition>"
    );
    
    JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
    try {
      TestSchedulerService testSchedulerService = (TestSchedulerService) jbpmContext.getServices().getSchedulerService();
      
      ProcessInstance processInstance = new ProcessInstance(processDefinition);
      processInstance.signal();
      processInstance.signal();
      
      List cancelledTimerNames = testSchedulerService.cancelledTimersByName;
      assertEquals(1, cancelledTimerNames.size());
      Object[] cancelledTimer = (Object[]) cancelledTimerNames.get(0);
      assertEquals("reminder", cancelledTimer[0]);
      assertSame(processInstance.getRootToken(), cancelledTimer[1]);
      
    } finally {
      jbpmContext.close();
    }
  }

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      "  </state>" +
      "  <end-state name='end'/>" +
      "</process-definition>"
    );
    
    JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
    try {
      ProcessInstance processInstance = new ProcessInstance(processDefinition);
      assertNull(TimerCreateAction.timer);
      processInstance.signal();
      assertNotNull(TimerCreateAction.timer);
      assertEquals("the-timer-create-event-class-name", TimerCreateAction.timer.action.getActionDelegation().getClassName());


    } finally {
      jbpmContext.close();
    }
  }

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      "    </timer>" +
      "  </state>" +
      "</process-definition>"
    );
    
    JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
    TestSchedulerService testSchedulerService = (TestSchedulerService) jbpmContext.getServices().getSchedulerService();
    ProcessInstance processInstance = new ProcessInstance(processDefinition);
    try {
      processInstance.signal();
      processInstance.suspend();
      jbpmContext.save(processInstance);
    } finally {
      jbpmContext.close();
    }


    assertEquals(1, testSchedulerService.suspendedTimerTokens.size());
    Token suspendedToken = (Token) testSchedulerService.suspendedTimerTokens.get(0);
    assertSame(processInstance.getRootToken(), suspendedToken);


    jbpmContext = jbpmConfiguration.createJbpmContext();
    testSchedulerService = (TestSchedulerService) jbpmContext.getServices().getSchedulerService();
    try {
      processInstance.resume();
      jbpmContext.save(processInstance);
    } finally {
      jbpmContext.close();
    }


    Token resumedToken = (Token) testSchedulerService.resumedTimerTokens.get(0);
    assertSame(processInstance.getRootToken(), resumedToken);
  }

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      "    </task>" +
      "  </task-node>" +
      "</process-definition>"
    );
    
    JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
    try {
      TestSchedulerService testSchedulerService = (TestSchedulerService) jbpmContext.getServices().getSchedulerService();
      ProcessInstance processInstance = new ProcessInstance(processDefinition);
      processInstance.signal();
      
      List scheduledTimers = testSchedulerService.createdTimers;
      assertEquals(1, scheduledTimers.size());


    } finally {
      jbpmContext.close();
    }
  }

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      "    </task>" +
      "  </task-node>" +
      "</process-definition>"
    );
    
    JbpmContext jbpmContext = jbpmConfiguration.createJbpmContext();
    try {
      ProcessInstance processInstance = new ProcessInstance(processDefinition);
      processInstance.signal();
      assertTrue(isCustomized);


    } finally {
      jbpmContext.close();
    }
  }

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    if (session!=null) {
      userBean = (UserBean) session.getAttribute("userBean");
    }
    if (userBean!=null) {
      String actorId = userBean.getUserName();
      JbpmContext jbpmContext = JbpmContext.getCurrentJbpmContext();
      jbpmContext.setActorId(actorId);
    }
    filterChain.doFilter(servletRequest, servletResponse);
  }

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