Examples of org.jbpm.api.Execution

org.jbpm.api.Execution
a runtime path of execution.
State of an execution

The state of an execution is either active or locked. An active execution is either executing or waiting for an external trigger. If an execution is not in {@link #STATE_ACTIVE_ROOT}or {@link #STATE_ACTIVE_CONCURRENT} then it is locked. A locked execution is read only.

When a new execution is created, it is in {@link #STATE_ACTIVE_ROOT}. {@link #STATE_ACTIVE_ROOT Some STATE_* constants} are provided that represent the most commonly used locked states. But the state '...' in the picture indicates that any string can be provided as the state in the lock method.

If an execution is locked, methods that change the execution will throw a {@link JbpmException} and the message will reference the actual locking state.{@link OpenExecution#setVariable(String,Object) updating variables}, {@link OpenExecution#setPriority(int) updating priority} are not considered to change an execution.

Make sure that comparisons between {@link #getState()} and the {@link #STATE_ACTIVE_ROOT STATE_* constants} are done with .equals and not with '==' because if executions are loaded from persistent storage, a new string is created instead of the constants.

Comments
@author Tom Baeyens

  public void assertProcessInstanceEnded(ProcessInstance processInstance) {
    assertExecutionEnded(processInstance.getId());
  }
  
  public void assertActiveActivity(String activityName, String executionId) {
    Execution execution = executionService.findExecutionById(executionId);
    assertTrue("The given execution (or any child execution) isn't in the activity '" + activityName 
            + "' (current activities : " + listAllActiveActivites(executionId) + ")", 
            execution.isActive(activityName));
  }

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               "Current activitites are: " + listAllActiveActivites(executionId),
               executionService.findExecutionById(executionId).isActive(activityName));
  }
  
  private String listAllActiveActivites(String executionId) {
    Execution execution = executionService.findExecutionById(executionId);
    Set<String> activeActivities = execution.findActiveActivityNames();
    StringBuilder result = new StringBuilder();
    for (String activeActivity : activeActivities) {
      result.append("'" + activeActivity + "', ");
    }
    result.setLength(result.length() - 2); // remove the last ', '

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    Environment env = ((EnvironmentFactory)processEngine).openEnvironment();


    try
    {
      ExecutionService execService = this.processEngine.getExecutionService();
      Execution exec = execService.startProcessInstanceById(definitionId);
      return ModelAdaptor.adoptExecution((ExecutionImpl)exec);
    }
    finally{
      env.close();
    }

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    Environment env = ((EnvironmentFactory)processEngine).openEnvironment();


    try
    {
      ExecutionService execService = this.processEngine.getExecutionService();
      Execution exec = execService.startProcessInstanceById(definitionId);
      execService.setVariables(exec.getId(), processVars);
      
      return ModelAdaptor.adoptExecution((ExecutionImpl)exec);
    }
    finally{
      env.close();

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    try
    {


      ExecutionService execService = this.processEngine.getExecutionService();
      Execution exec = execService.findExecutionById(instanceId);
      if(null==exec)
        throw new IllegalArgumentException("No such execution with id "+ instanceId);


      ProcessInstanceRef.RESULT actualResult = result!=null ? result : ProcessInstanceRef.RESULT.COMPLETED;
      execService.endProcessInstance(instanceId, actualResult.toString());

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    try
    {


      ExecutionService execService = this.processEngine.getExecutionService();
      Execution exec = execService.findExecutionById(instanceId);
      if(null==exec)
        throw new IllegalArgumentException("No such execution with id "+ instanceId);


      execService.deleteProcessInstance(instanceId);
    }

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    }


    @Test
    public void testWaitStatesSequence() {
        ProcessInstance processInstance = executionService.startProcessInstanceByKey("StateSequence");
        Execution executionInA = processInstance.findActiveExecutionIn("a");
        assertNotNull(executionInA);


        processInstance = executionService.signalExecutionById(executionInA.getId());
        Execution executionInB = processInstance.findActiveExecutionIn("b");
        assertNotNull(executionInB);


        processInstance = executionService.signalExecutionById(executionInB.getId());
        Execution executionInC = processInstance.findActiveExecutionIn("c");
        assertNotNull(executionInC);
    }

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     * @return the updated ProcessInstance
     */
    public Object advanceProcess(Object executionId, Object signalName, Map variables) throws Exception
    {
        int waitTime = 0;
        Execution execution = processEngine.getExecutionService().findExecutionById((String) executionId);
        while (execution == null && waitTime < PROCESS_CREATION_WAIT)
        {
            // Given the multi-threaded nature of Mule, sometimes a response message will arrive to advance the
            // process before the creation of the process has fully terminated (e.g., during in-memory unit tests).
            // We delay for awhile to make sure this is not the case before giving up and throwing an exception.
            Thread.sleep(PROCESS_CREATION_WAIT / 10);
            waitTime += (PROCESS_CREATION_WAIT / 10);
            execution = processEngine.getExecutionService().findExecutionById((String) executionId);
        }
        if (execution == null)
        {
            throw new IllegalArgumentException("No process execution found with id = " + executionId + " (it may have already terminated)");
        }


        String processId;
        if (execution.getProcessInstance() != null)
        {
            processId = execution.getProcessInstance().getId();
        }
        else
        {
            processId = execution.getId();
        }


        // Set any process variables.
        if (variables != null && !variables.isEmpty())
        {

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     */
    public Object updateProcess(Object executionId, Map variables) throws Exception
    {
        // Get Process ID
        String processId;
        Execution execution = processEngine.getExecutionService().findExecutionById((String) executionId);
        if (execution == null)
        {
            throw new IllegalArgumentException("No process execution found with id = " + executionId + " (it may have already terminated)");
        }
        if (execution.getProcessInstance() != null)
        {
            processId = execution.getProcessInstance().getId();
        }
        else
        {
            processId = execution.getId();
        }


        // Set any process variables.
        if (variables != null && !variables.isEmpty())
        {

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     */
    @Override
    public Object advanceProcess(Object executionId, Object signalName, Map variables) throws Exception
    {
        int waitTime = 0;
        Execution execution = processEngine.getExecutionService().findExecutionById((String) executionId);
        while (execution == null && waitTime < PROCESS_CREATION_WAIT)
        {
            // Given the multi-threaded nature of Mule, sometimes a response message will arrive to advance the
            // process before the creation of the process has fully terminated (e.g., during in-memory unit tests).
            // We delay for awhile to make sure this is not the case before giving up and throwing an exception.
            Thread.sleep(PROCESS_CREATION_WAIT / 10);
            waitTime += (PROCESS_CREATION_WAIT / 10);
            execution = processEngine.getExecutionService().findExecutionById((String) executionId);
        }
        if (execution == null)
        {
            throw new IllegalArgumentException("No process execution found with id = " + executionId + " (it may have already terminated)");
        }


        String processId;
        if (execution.getProcessInstance() != null)
        {
            processId = execution.getProcessInstance().getId();
        }
        else
        {
            processId = execution.getId();
        }


        // Set any process variables.
        if (variables != null && !variables.isEmpty())
        {

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Related Classes of org.jbpm.api.Execution

org.jahia.services.workflow.StateSequenceTest

org.jbpm.integration.console.ProcessManagementImpl

org.jbpm.test.JbpmTestCase

org.mule.module.jbpm.Jbpm

pl.net.bluesoft.rnd.pt.ext.jbpm.ProcessToolJbpmSession

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Examples of org.jbpm.api.Execution

State of an execution

Comments

Related Classes of org.jbpm.api.Execution