org.activiti.engine.impl.cfg.StandaloneProcessEngineConfiguration Java Examples

/**
 * 创建工作流引擎
 * @return
 */
private Boolean createProcessEngine(){
    if (processEngine != null) {
        return true;
    }
    StandaloneProcessEngineConfiguration conf =
            (StandaloneProcessEngineConfiguration) ProcessEngineConfiguration.createStandaloneProcessEngineConfiguration();
    conf.setDataSource(DbKit.getConfig().getDataSource())
        .setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_TRUE) // 自动更新数据库表
        .setDbHistoryUsed(true);                                                   // 历史表生效功能
    // conf.setTransactionsExternallyManaged(true); // 使用托管事务工厂(不配置，事务也可生效)


    conf.setTransactionFactory(new ActivitiTransactionFactory());

    ActivitiPlugin.processEngine = conf.buildProcessEngine();
    return true;
}
 

/**
 * 初始化配置，将创建28张表
 * @return
 */
@Bean
public StandaloneProcessEngineConfiguration processEngineConfiguration() {
    StandaloneProcessEngineConfiguration configuration = new StandaloneProcessEngineConfiguration();
    configuration.setDataSource(dataSource);
    configuration.setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_TRUE);
    configuration.setAsyncExecutorActivate(false);
    return configuration;
}
 

@Override
public CommandInterceptor createTransactionInterceptor() {
  if (transactionManager == null) {
    throw new ActivitiException("transactionManager is required property for SpringProcessEngineConfiguration, use " + StandaloneProcessEngineConfiguration.class.getName() + " otherwise");
  }

  return new SpringTransactionInterceptor(transactionManager);
}
 

/**
 * Takes in an Activiti 6 process engine config, gives back an Activiti 5 Process engine.
 */
public ProcessEngine buildProcessEngine(ProcessEngineConfigurationImpl activiti6Configuration) {
  org.activiti5.engine.impl.cfg.ProcessEngineConfigurationImpl activiti5Configuration = null;
  if (activiti6Configuration instanceof StandaloneProcessEngineConfiguration) {
    activiti5Configuration = new org.activiti5.engine.impl.cfg.StandaloneProcessEngineConfiguration();
    copyConfigItems(activiti6Configuration, activiti5Configuration);
    return activiti5Configuration.buildProcessEngine();
  } else {
    throw new ActivitiException("Unsupported process engine configuration");
  }
}
 

public StandaloneProcessEngineConfiguration getConfiguration() {
  StandaloneProcessEngineConfiguration conf = new StandaloneProcessEngineConfiguration();
  conf.setDataSource(dataSource);
  conf.setDatabaseSchemaUpdate(databaseSchemaUpdate);
  conf.setAsyncExecutorActivate(jobExecutorActivate);
  return conf;
}
 

@Override
protected CommandInterceptor createTransactionInterceptor() {
    if (transactionManager == null) {
        throw new ActivitiException("transactionManager is required property for SpringProcessEngineConfiguration, use " + StandaloneProcessEngineConfiguration.class.getName() + " otherwise");
    }

    return new SpringTransactionInterceptor(transactionManager);
}
 

public static ProcessEngineConfiguration createStandaloneProcessEngineConfiguration() {
  return new StandaloneProcessEngineConfiguration();
}
 

public void testStartProcessInstanceByIdAfterReboot() {

    // In case this test is run in a test suite, previous engines might
    // have been initialized and cached. First we close the
    // existing process engines to make sure that the db is clean
    // and that there are no existing process engines involved.
    ProcessEngines.destroy();

    // Creating the DB schema (without building a process engine)
    ProcessEngineConfigurationImpl processEngineConfiguration = new StandaloneInMemProcessEngineConfiguration();
    processEngineConfiguration.setProcessEngineName("reboot-test-schema");
    processEngineConfiguration.setJdbcUrl("jdbc:h2:mem:activiti-reboot-test;DB_CLOSE_DELAY=1000");
    ProcessEngine schemaProcessEngine = processEngineConfiguration.buildProcessEngine();

    // Create process engine and deploy test process
    ProcessEngine processEngine = new StandaloneProcessEngineConfiguration().setProcessEngineName("reboot-test").setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_FALSE)
        .setJdbcUrl("jdbc:h2:mem:activiti-reboot-test;DB_CLOSE_DELAY=1000").setAsyncExecutorActivate(false).buildProcessEngine();

    processEngine.getRepositoryService().createDeployment().addClasspathResource("org/activiti/engine/test/cache/originalProcess.bpmn20.xml").deploy();

    // verify existence of process definition
    List<ProcessDefinition> processDefinitions = processEngine.getRepositoryService().createProcessDefinitionQuery().list();

    assertEquals(1, processDefinitions.size());

    // Start a new Process instance
    ProcessInstance processInstance = processEngine.getRuntimeService().startProcessInstanceById(processDefinitions.get(0).getId());
    String processInstanceId = processInstance.getId();
    assertNotNull(processInstance);

    // Close the process engine
    processEngine.close();
    assertNotNull(processEngine.getRuntimeService());

    // Reboot the process engine
    processEngine = new StandaloneProcessEngineConfiguration().setProcessEngineName("reboot-test").setDatabaseSchemaUpdate(org.activiti.engine.ProcessEngineConfiguration.DB_SCHEMA_UPDATE_FALSE)
        .setJdbcUrl("jdbc:h2:mem:activiti-reboot-test;DB_CLOSE_DELAY=1000").setAsyncExecutorActivate(false).buildProcessEngine();

    // Check if the existing process instance is still alive
    processInstance = processEngine.getRuntimeService().createProcessInstanceQuery().processInstanceId(processInstanceId).singleResult();

    assertNotNull(processInstance);

    // Complete the task. That will end the process instance
    TaskService taskService = processEngine.getTaskService();
    Task task = taskService.createTaskQuery().list().get(0);
    taskService.complete(task.getId());

    // Check if the process instance has really ended. This means that the
    // process definition has
    // re-loaded into the process definition cache
    processInstance = processEngine.getRuntimeService().createProcessInstanceQuery().processInstanceId(processInstanceId).singleResult();

    assertNull(processInstance);

    // Extra check to see if a new process instance can be started as well
    processInstance = processEngine.getRuntimeService().startProcessInstanceById(processDefinitions.get(0).getId());
    assertNotNull(processInstance);

    // close the process engine
    processEngine.close();

    // Cleanup schema
    schemaProcessEngine.close();
  }
 

public void testDeployRevisedProcessAfterDeleteOnOtherProcessEngine() {

    // Setup both process engines
    ProcessEngine processEngine1 = new StandaloneProcessEngineConfiguration().setProcessEngineName("reboot-test-schema")
        .setDatabaseSchemaUpdate(org.activiti.engine.ProcessEngineConfiguration.DB_SCHEMA_UPDATE_TRUE).setJdbcUrl("jdbc:h2:mem:activiti-process-cache-test;DB_CLOSE_DELAY=1000")
        .setAsyncExecutorActivate(false).buildProcessEngine();
    RepositoryService repositoryService1 = processEngine1.getRepositoryService();

    ProcessEngine processEngine2 = new StandaloneProcessEngineConfiguration().setProcessEngineName("reboot-test")
        .setDatabaseSchemaUpdate(org.activiti.engine.ProcessEngineConfiguration.DB_SCHEMA_UPDATE_FALSE).setJdbcUrl("jdbc:h2:mem:activiti-process-cache-test;DB_CLOSE_DELAY=1000")
        .setAsyncExecutorActivate(false).buildProcessEngine();
    RepositoryService repositoryService2 = processEngine2.getRepositoryService();
    RuntimeService runtimeService2 = processEngine2.getRuntimeService();
    TaskService taskService2 = processEngine2.getTaskService();

    // Deploy first version of process: start->originalTask->end on first
    // process engine
    String deploymentId = repositoryService1.createDeployment().addClasspathResource("org/activiti/engine/test/cache/originalProcess.bpmn20.xml").deploy().getId();

    // Start process instance on second engine
    String processDefinitionId = repositoryService2.createProcessDefinitionQuery().singleResult().getId();
    runtimeService2.startProcessInstanceById(processDefinitionId);
    Task task = taskService2.createTaskQuery().singleResult();
    assertEquals("original task", task.getName());

    // Delete the deployment on second process engine
    repositoryService2.deleteDeployment(deploymentId, true);
    assertEquals(0, repositoryService2.createDeploymentQuery().count());
    assertEquals(0, runtimeService2.createProcessInstanceQuery().count());

    // deploy a revised version of the process: start->revisedTask->end on
    // first process engine
    //
    // Before the bugfix, this would set the cache on the first process
    // engine,
    // but the second process engine still has the original process
    // definition in his cache.
    // Since there is a deployment delete in between, the new generated
    // process definition id is the same
    // as in the original deployment, making the second process engine using
    // the old cached process definition.
    deploymentId = repositoryService1.createDeployment().addClasspathResource("org/activiti/engine/test/cache/revisedProcess.bpmn20.xml").deploy().getId();

    // Start process instance on second process engine -> must use revised
    // process definition
    repositoryService2.createProcessDefinitionQuery().singleResult().getId();
    runtimeService2.startProcessInstanceByKey("oneTaskProcess");
    task = taskService2.createTaskQuery().singleResult();
    assertEquals("revised task", task.getName());

    // cleanup
    repositoryService1.deleteDeployment(deploymentId, true);
    processEngine1.close();
    processEngine2.close();
  }
 

public void testDeployRevisedProcessAfterDeleteOnOtherProcessEngine() {
  
  // Setup both process engines
  StandaloneProcessEngineConfiguration standaloneProcessEngineConfiguration = new StandaloneProcessEngineConfiguration();
  standaloneProcessEngineConfiguration.setProcessEngineName("reboot-test-schema");
  standaloneProcessEngineConfiguration.setDatabaseSchemaUpdate(org.activiti5.engine.ProcessEngineConfiguration.DB_SCHEMA_UPDATE_TRUE);
  standaloneProcessEngineConfiguration.setJdbcUrl("jdbc:h2:mem:activiti-process-cache-test;DB_CLOSE_DELAY=1000");
  standaloneProcessEngineConfiguration.setAsyncExecutorActivate(false);
  standaloneProcessEngineConfiguration.setActiviti5CompatibilityEnabled(true);
  ProcessEngine processEngine1 = standaloneProcessEngineConfiguration.buildProcessEngine();
  RepositoryService repositoryService1 = processEngine1.getRepositoryService();
  
  StandaloneProcessEngineConfiguration standaloneProcessEngineConfiguration2 = new StandaloneProcessEngineConfiguration();
  standaloneProcessEngineConfiguration2.setProcessEngineName("reboot-test");
  standaloneProcessEngineConfiguration2.setDatabaseSchemaUpdate(org.activiti5.engine.ProcessEngineConfiguration.DB_SCHEMA_UPDATE_FALSE);
  standaloneProcessEngineConfiguration2.setJdbcUrl("jdbc:h2:mem:activiti-process-cache-test;DB_CLOSE_DELAY=1000");
  standaloneProcessEngineConfiguration2.setAsyncExecutorActivate(false);
  standaloneProcessEngineConfiguration2.setActiviti5CompatibilityEnabled(true);
  ProcessEngine processEngine2  = standaloneProcessEngineConfiguration2.buildProcessEngine();
  RepositoryService repositoryService2 = processEngine2.getRepositoryService();
  RuntimeService runtimeService2 = processEngine2.getRuntimeService();
  TaskService taskService2 = processEngine2.getTaskService();
  
  // Deploy first version of process: start->originalTask->end on first process engine
  String deploymentId = repositoryService1.createDeployment()
    .addClasspathResource("org/activiti5/engine/test/cache/originalProcess.bpmn20.xml")
    .deploymentProperty(DeploymentProperties.DEPLOY_AS_ACTIVITI5_PROCESS_DEFINITION, Boolean.TRUE)
    .deploy()
    .getId();
  
  // Start process instance on second engine
  String processDefinitionId = repositoryService2.createProcessDefinitionQuery().singleResult().getId();
  runtimeService2.startProcessInstanceById(processDefinitionId);
  Task task = taskService2.createTaskQuery().singleResult();
  assertEquals("original task", task.getName());
  
  // Delete the deployment on second process engine
  repositoryService2.deleteDeployment(deploymentId, true);
  assertEquals(0, repositoryService2.createDeploymentQuery().count());
  assertEquals(0, runtimeService2.createProcessInstanceQuery().count());
  
  // deploy a revised version of the process: start->revisedTask->end on first process engine
  //
  // Before the bugfix, this would set the cache on the first process engine,
  // but the second process engine still has the original process definition in his cache.
  // Since there is a deployment delete in between, the new generated process definition id is the same 
  // as in the original deployment, making the second process engine using the old cached process definition.
  deploymentId = repositoryService1.createDeployment()
    .addClasspathResource("org/activiti5/engine/test/cache/revisedProcess.bpmn20.xml")
    .deploymentProperty(DeploymentProperties.DEPLOY_AS_ACTIVITI5_PROCESS_DEFINITION, Boolean.TRUE)
    .deploy()
    .getId();
  
  // Start process instance on second process engine -> must use revised process definition
  repositoryService2.createProcessDefinitionQuery().singleResult().getId();
  runtimeService2.startProcessInstanceByKey("oneTaskProcess");
  task = taskService2.createTaskQuery().singleResult();
  assertEquals("revised task", task.getName());
  
  // cleanup
  repositoryService1.deleteDeployment(deploymentId, true);
  processEngine1.close();
  processEngine2.close();
}
 

public static ProcessEngineConfiguration createStandaloneProcessEngineConfiguration() {
    return new StandaloneProcessEngineConfiguration();
}