Java ProcessInstance类代码示例

import org.camunda.bpm.engine.runtime.ProcessInstance; //导入依赖的package包/类
protected Date calculateNewRandomDue(ProcessInstance pi, String id, Date creationTime) {
  if (!distributions.containsKey(id)) {
    StatisticalDistribution distribution = createDistributionForElement(pi, id);
    distributions.put(id, distribution);
  }

  Calendar cal = Calendar.getInstance();
  cal.setTime(creationTime);
  double timeToWait = distributions.get(id).nextSample();
  if (timeToWait <= 0) {
    timeToWait = 1;
  }
  cal.add(Calendar.SECOND, (int) Math.round(timeToWait));

  return cal.getTime();
}
 

import org.camunda.bpm.engine.runtime.ProcessInstance; //导入依赖的package包/类
/**
 * Creates process instance from process definition.
 *
 * <p>
 *     Only parameters corresponding to form attributes defined on Start task will be stored.
 *     Others will be silently ignored.
 * </p>
 *
 * @param key Specified key of {@link WorkflowDto}
 * @param businessKey Specified business key (reference to external resource)
 * @param params Initial process variables
 * @return New process instance ID
 */
public String create(String key, String businessKey, Map<String, Object> params) {
    ProcessDefinition definition = repositoryService.createProcessDefinitionQuery()
            .processDefinitionKey(key)
            .latestVersion()
            .singleResult();

    notNull(definition, () -> new MissingObject(ProcessDefinition.class, key));

    BpmnModelInstance modelInstance = repositoryService.getBpmnModelInstance(definition.getId());
    if(!canStart(modelInstance, unwrap(user))) {
        throw new ForbiddenOperation(null);
    }

    StartFormData formData = formService.getStartFormData(definition.getId());
    Map<String, Object> filteredParams = filterDefinedFields(formData, params);


    ProcessInstance instance = formService.submitStartForm(
            definition.getId(), businessKey, filteredParams
    );

    return instance.getId();
}
 

import org.camunda.bpm.engine.runtime.ProcessInstance; //导入依赖的package包/类
private void execute(MigrationPlanContainer migrationPlanContainer) {
  ProcessDefinition sourceDefinition = migrationPlanContainer.getSourceDefinition();
  ProcessDefinition targetDefinition = migrationPlanContainer.getTargetDefinition();
  MigrationPlanExecutionBuilder migrationPlanExecutionBuilder = migrationPlanContainer.getMigrationPlanExecutionBuilder();

  LOG.info("\tMigrating all process instances from SOURCE process definition " + sourceDefinition.getId() + " to TARGET process definition " + targetDefinition.getId());
  for (ProcessInstance processInstance : runtimeService.createProcessInstanceQuery().processDefinitionId(sourceDefinition.getId()).list()) {
    LOG.info("\tMigrating process instance with id " + processInstance.getId());
  }

  try {
    migrationPlanExecutionBuilder.execute();
    // .executeAsync() for asynchronous execution in a batch (useful for large numbers of instances)
  } catch (MigratingProcessInstanceValidationException e) {
    throw new IllegalMigrationStateException("Validation error occurred during executing the migration from SOURCE process definition " + sourceDefinition.getId() + " to TARGET process definition " + targetDefinition.getId() + ": " + e.getValidationReport().toString(), e);
  }

  LOG.info("\tSuccessfully migrated all process instances from SOURCE process definition " + sourceDefinition.getId() + " to TARGET process definition " + targetDefinition.getId());
}
 

import org.camunda.bpm.engine.runtime.ProcessInstance; //导入依赖的package包/类
@Test
public void shouldModifyBeforeMigrationIfFileExists() throws Exception {
  //given
  ChangelogVersion changelogVersion = new ChangelogVersion();
  changelogVersion.setMigrationFolder("test");
  Resource resourceMock = mock(Resource.class);
  when(resourceMock.exists()).thenReturn(true);
  when(resourcePatternResolver.getResource("classpath:/process/migrationplan/test/modification_before.json")).thenReturn(resourceMock);
  ModificationCollection modificationCollectionMock = mock(ModificationCollection.class);
  when(objectMapperService.convertModificationCollection(resourceMock)).thenReturn(modificationCollectionMock);
  Modification modificationMock = mock(Modification.class);
  when(modificationCollectionMock.getModifications()).thenReturn(Collections.singletonList(modificationMock));
  ProcessInstance processInstanceMock = mock(ProcessInstance.class);
  doReturn(Collections.singletonList(processInstanceMock)).when(modificationService).findProcessInstancesToModify(modificationMock);
  ProcessInstanceModification processInstanceModificationMock = mock(ProcessInstanceModification.class);
  doReturn(processInstanceModificationMock).when(modificationService).createProcessInstanceModification(processInstanceMock, modificationMock);
  doNothing().when(modificationService).validate(modificationMock);

  //when
  modificationService.modifyBeforeMigration(changelogVersion);

  //then
  verify(processInstanceModificationMock).execute();
}
 

import org.camunda.bpm.engine.runtime.ProcessInstance; //导入依赖的package包/类
@Test
public void shouldModifyAfterMigrationIfFileExists() throws Exception {
  //given
  ChangelogVersion changelogVersion = new ChangelogVersion();
  changelogVersion.setMigrationFolder("test");
  Resource resourceMock = mock(Resource.class);
  when(resourceMock.exists()).thenReturn(true);
  when(resourcePatternResolver.getResource("classpath:/process/migrationplan/test/modification_after.json")).thenReturn(resourceMock);
  ModificationCollection modificationCollectionMock = mock(ModificationCollection.class);
  when(objectMapperService.convertModificationCollection(resourceMock)).thenReturn(modificationCollectionMock);
  Modification modificationMock = mock(Modification.class);
  when(modificationCollectionMock.getModifications()).thenReturn(Collections.singletonList(modificationMock));
  ProcessInstance processInstanceMock = mock(ProcessInstance.class);
  doReturn(Collections.singletonList(processInstanceMock)).when(modificationService).findProcessInstancesToModify(modificationMock);
  ProcessInstanceModification processInstanceModificationMock = mock(ProcessInstanceModification.class);
  doReturn(processInstanceModificationMock).when(modificationService).createProcessInstanceModification(processInstanceMock, modificationMock);
  doNothing().when(modificationService).validate(modificationMock);

  //when
  modificationService.modifyAfterMigration(changelogVersion);

  //then
  verify(processInstanceModificationMock).execute();
}
 

import org.camunda.bpm.engine.runtime.ProcessInstance; //导入依赖的package包/类
@Override
public void execute(DelegateExecution execution) throws Exception {

    String processInstanceId = execution.getProcessInstanceId();

    System.out.println("Entering FindOwnProcessTask.execute (processInstanceId="
            + processInstanceId + ")");

    ProcessInstanceQuery query = execution.getProcessEngineServices().getRuntimeService()
            .createProcessInstanceQuery().processInstanceId(processInstanceId);
    ProcessInstance pi = query.singleResult();

    if (pi == null) {
        System.out
                .println("WARN - No process instance with id " + processInstanceId + " found!");
    } else {
        System.out.println("Hello World!");
    }

    System.out.println(
            "Exiting FindOwnProcessTask.execute (processInstanceId=" + processInstanceId + ")");

}
 

import org.camunda.bpm.engine.runtime.ProcessInstance; //导入依赖的package包/类
@Override
public void execute(DelegateExecution execution) throws Exception {

    String processInstanceId = execution.getProcessInstanceId();

    System.out.println(
            "Entering HelloWorldTask.execute (processInstanceId=" + processInstanceId + ")");

    ProcessInstanceQuery query =
            runtimeService.createProcessInstanceQuery().processInstanceId(processInstanceId);
    ProcessInstance pi = query.singleResult();

    if (pi == null) {
        System.out
                .println("WARN - No process instance with id " + processInstanceId + " found!");
    } else {
        System.out.println("Hello World!");
    }

    System.out.println(
            "Exiting HelloWorldTask.execute (processInstanceId=" + processInstanceId + ")");

}
 

import org.camunda.bpm.engine.runtime.ProcessInstance; //导入依赖的package包/类
@Test
public void runProcess() {
    ProcessInstance pi = runtimeService.startProcessInstanceByKey("demoProcess");

    // given the execution ids of all activities

    String task11ExecId = getExecutionId("Task 1.1", pi.getId());
    String task12ExecId = getExecutionId("Task 1.2", pi.getId());
    String task13ExecId = getExecutionId("Task 1.3", pi.getId());
    String task14ExecId = getExecutionId("Task 1.4", pi.getId());
    String task15ExecId = getExecutionId("Task 1.5", pi.getId());
    String task16ExecId = getExecutionId("Task 1.6", pi.getId());
    String task21ExecId = getExecutionId("Task 2.1", pi.getId());
    String task22ExecId = getExecutionId("Task 2.2", pi.getId());
    String task31ExecId = getExecutionId("Task 3.1", pi.getId());

    // we expect some activities to have the same execution ID
    assertEqualIds(task11ExecId, task12ExecId, task14ExecId, task16ExecId);

    // and other to have different execution ids (thus have an own execution scope=
    assertDifferentIds(task11ExecId, task13ExecId, task14ExecId, task15ExecId, task21ExecId,
            task22ExecId, task31ExecId);

}
 

import org.camunda.bpm.engine.runtime.ProcessInstance; //导入依赖的package包/类
@Test
@Deployment(resources = "processes/mail-poll.bpmn")
public void pollMailWithTextBody() throws MessagingException {
  greenMail.setUser("[email protected]", "bpmn");

  GreenMailUtil.sendTextEmailTest("[email protected]", "[email protected]", "subject", "text body");

  ProcessInstance processInstance = engineRule.getRuntimeService().startProcessInstanceByKey("poll-mails");

  @SuppressWarnings("unchecked")
  List<Mail> mails = (List<Mail>) engineRule.getRuntimeService().getVariable(processInstance.getId(), "mails");

  assertThat(mails)
    .isNotNull()
    .hasSize(1);

  Mail mail = mails.get(0);
  assertThat(mail.getFrom()).isEqualTo("[email protected]");
  assertThat(mail.getSubject()).isEqualTo("subject");
  assertThat(mail.getText()).isEqualTo("text body");
}
 

import org.camunda.bpm.engine.runtime.ProcessInstance; //导入依赖的package包/类
@Test
@Deployment(resources = {"org/camunda/bpm/scenario/test/processes/StartByTest.bpmn"})
public void testStartByStarterMessage1() {

  when(scenario.waitsAtReceiveTask("ReceiveTask")).thenReturn(new ReceiveTaskAction() {
    @Override
    public void execute(EventSubscriptionDelegate message) throws Exception {
      message.receive();
    }
  });

  Scenario.run(scenario).startBy(new ProcessStarter() {
    @Override
    public ProcessInstance start() {
      return rule.getRuntimeService().startProcessInstanceByMessage("msg_StartEvent1");
    }
  }).execute();

  verify(scenario, times(1)).hasFinished("StartEvent1");
  verify(scenario, times(1)).hasFinished("EndEvent");

}
 

import org.camunda.bpm.engine.runtime.ProcessInstance; //导入依赖的package包/类
@Test
@Deployment(resources = {"org/camunda/bpm/scenario/test/processes/StartByTest.bpmn"})
public void testStartByStarterMessage2() {

  when(scenario.waitsAtReceiveTask("ReceiveTask")).thenReturn(new ReceiveTaskAction() {
    @Override
    public void execute(EventSubscriptionDelegate message) throws Exception {
      message.receive();
    }
  });

  Scenario.run(scenario).startBy(new ProcessStarter() {
    @Override
    public ProcessInstance start() {
      return rule.getRuntimeService().startProcessInstanceByMessage("msg_StartEvent2");
    }
  }).execute();

  verify(scenario, times(1)).hasFinished("StartEvent2");
  verify(scenario, times(1)).hasFinished("EndEvent");

}
 

import org.camunda.bpm.engine.runtime.ProcessInstance; //导入依赖的package包/类
@Test
@Deployment(resources = {"org/camunda/bpm/scenario/test/processes/StartByTest.bpmn"})
public void testStartByMessageWithVariables() {

  when(scenario.waitsAtReceiveTask("ReceiveTask")).thenReturn(new ReceiveTaskAction() {
    @Override
    public void execute(EventSubscriptionDelegate message) throws Exception {
      message.receive();
    }
  });

  Scenario run = Scenario.run(scenario).startBy(new ProcessStarter() {
    @Override
    public ProcessInstance start() {
      return rule.getRuntimeService().startProcessInstanceByMessage("msg_StartEvent1", withVariables("variable", true));
    }
  }).execute();

  HistoricVariableInstance variable = historyService().createHistoricVariableInstanceQuery().variableName("variable").singleResult();
  assertThat(variable).isNotNull();
  assertThat((Boolean) variable.getValue()).isTrue();
  verify(scenario, times(1)).hasFinished("StartEvent1");
  verify(scenario, times(1)).hasFinished("EndEvent");

}
 

import org.camunda.bpm.engine.runtime.ProcessInstance; //导入依赖的package包/类
@Test
@Deployment(resources = {"org/camunda/bpm/scenario/test/escalations/EscalationEventSubProcessTriggeredTwiceTest.bpmn"})
public void testCompleteTask2First_Conventional() {

  ProcessInstance pi = rule.getRuntimeService()
      .startProcessInstanceByKey("EscalationEventSubProcessTriggeredTwiceTest");

  complete(task("UserTask2", pi));
  complete(task("UserTask1", pi));

  complete(task("UserTask2", pi));

  assertThat(pi)
      .hasPassed("EndEvent")
      .hasPassedInOrder("EndEventEscalated", "EndEventEscalated");

}
 

import org.camunda.bpm.engine.runtime.ProcessInstance; //导入依赖的package包/类
@Test
@Deployment(resources = {"org/camunda/bpm/scenario/test/escalations/BoundaryEscalationEventTriggeredTwiceTest.bpmn"})
public void testCompleteTask2First_Conventional() {

  ProcessInstance pi = rule.getRuntimeService()
      .startProcessInstanceByKey("BoundaryEscalationEventTriggeredTwiceTest");

  complete(task("UserTask2", pi));
  complete(task("UserTask1", pi));

  complete(task("UserTask2", pi));

  assertThat(pi)
      .hasPassed("EndEvent")
      .hasPassedInOrder("EndEventEscalated", "EndEventEscalated");

}
 

import org.camunda.bpm.engine.runtime.ProcessInstance; //导入依赖的package包/类
@Test @Ignore // In my mind should work, but does not work due to a Camunda NullpointerExecption
@Deployment(resources = {"org/camunda/bpm/scenario/test/escalations/EscalationEventSubProcessTriggeredTwiceIntermediateTest.bpmn"})
public void testCompleteTask1First_Conventional() {

  ProcessInstance pi = rule.getRuntimeService()
      .startProcessInstanceByKey("EscalationEventSubProcessTriggeredTwiceIntermediateTest");

  complete(task("UserTask1", pi)); // --> Test Case fails here with a NullPointerException

  List<Task> tasks = taskQuery().processInstanceId(pi.getId()).taskDefinitionKey("UserTask2").list();
  complete(tasks.get(0)); // necessary as query returns two tasks at this point

  complete(task("UserTask2", pi));
  complete(task("UserTask3", pi));

  assertThat(pi)
      .hasPassed("EndEvent")
      .hasPassedInOrder("EndEventEscalated", "EndEventEscalated");

}