Java Code Examples for org.flowable.engine.TaskService#complete()

private void recordEvents() {
    Clock clock = new DefaultClockImpl();
    clock.setCurrentTime(new Date(0));
    ProcessEngineConfigurationImpl config = (ProcessEngineConfigurationImpl) ProcessEngineConfiguration.createProcessEngineConfigurationFromResourceDefault();
    config.setClock(clock);

    ProcessEngine processEngine = (new RecordableProcessEngineFactory(config, listener))
            .getObject();

    processEngine.getRepositoryService().createDeployment().addClasspathResource(USERTASK_PROCESS).deploy();
    EventRecorderTestUtils.increaseTime(clock);

    TaskService taskService = processEngine.getTaskService();

    Map<String, Object> variables = new HashMap<>();
    variables.put(TEST_VARIABLE, TEST_VALUE);
    processEngine.getRuntimeService().startProcessInstanceByKey("oneTaskProcess", "oneTaskProcessBusinessKey", variables);
    EventRecorderTestUtils.increaseTime(clock);
    Task task = taskService.createTaskQuery().taskDefinitionKey("userTask").singleResult();
    taskService.complete(task.getId());
    checkStatus(processEngine.getHistoryService());
    EventRecorderTestUtils.closeProcessEngine(processEngine, listener);
    ProcessEngines.destroy();
}
 

@Test
@Deployment(resources = { "org/flowable/engine/test/api/runtime/oneTaskProcess.bpmn20.xml" })
public void logAddParticipantUser(RuntimeService runtimeService, TaskService taskService, HistoryService historyService,
        ManagementService managementService, ProcessEngineConfiguration processEngineConfiguration) {

    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("oneTaskProcess");
    Task task = taskService.createTaskQuery().processInstanceId(processInstance.getId()).singleResult();
    try {
        assertThat(processInstance).isNotNull();
        assertThat(task).isNotNull();

        taskService.addUserIdentityLink(task.getId(), "newCandidateUser", IdentityLinkType.PARTICIPANT);

        if (HistoryTestHelper.isHistoricTaskLoggingEnabled(processEngineConfiguration)) {
            List<HistoricTaskLogEntry> logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId()).list();
            assertThat(logEntries).hasSize(2);

            logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId())
                    .type("USER_TASK_IDENTITY_LINK_ADDED")
                    .list();
            assertThat(logEntries).hasSize(1);
            assertThat(logEntries.get(0).getData()).contains(
                    "\"type\":\"participant\"",
                    "\"userId\":\"newCandidateUser\""
            );
        }

    } finally {
        taskService.complete(task.getId());
        deleteTaskWithLogEntries(taskService, managementService, processEngineConfiguration, task.getId());
    }
}
 

@Test
@Deployment
public void ruleUsageExample() {
    RuntimeService runtimeService = activitiRule.getRuntimeService();
    runtimeService.startProcessInstanceByKey("ruleUsage");

    TaskService taskService = activitiRule.getTaskService();
    org.flowable.task.api.Task task = taskService.createTaskQuery().singleResult();
    assertThat(task.getName()).isEqualTo("My Task");

    taskService.complete(task.getId());
    assertThat(runtimeService.createProcessInstanceQuery().count()).isZero();
}
 

@Test
@Deployment
void extensionUsageExample(ProcessEngine processEngine) {
    RuntimeService runtimeService = processEngine.getRuntimeService();
    runtimeService.startProcessInstanceByKey("extensionUsage");

    TaskService taskService = processEngine.getTaskService();
    org.flowable.task.api.Task task = taskService.createTaskQuery().singleResult();
    assertThat(task.getName()).isEqualTo("My Task");

    taskService.complete(task.getId());
    assertThat(runtimeService.createProcessInstanceQuery().count()).isZero();
    assertThat(processEngine.getName()).as("process engine  name").isEqualTo(ProcessEngines.NAME_DEFAULT);
}
 

@Test
@Deployment(resources = { "org/flowable/engine/test/api/runtime/oneTaskProcess.bpmn20.xml" })
public void logDeleteCandidateUser(RuntimeService runtimeService, TaskService taskService, HistoryService historyService,
        ManagementService managementService, ProcessEngineConfiguration processEngineConfiguration) {

    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("oneTaskProcess");
    Task task = taskService.createTaskQuery().processInstanceId(processInstance.getId()).singleResult();
    assertThat(processInstance).isNotNull();
    assertThat(task).isNotNull();
    taskService.addCandidateUser(task.getId(), "newCandidateUser");

    try {
        taskService.deleteCandidateUser(task.getId(), "newCandidateUser");

        if (HistoryTestHelper.isHistoricTaskLoggingEnabled(processEngineConfiguration)) {
            List<HistoricTaskLogEntry> logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId()).list();
            assertThat(logEntries).hasSize(3);

            logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId())
                    .type("USER_TASK_IDENTITY_LINK_REMOVED")
                    .list();
            assertThat(logEntries).hasSize(1);
            assertThat(logEntries.get(0).getData()).contains(
                    "\"type\":\"candidate\"",
                    "\"userId\":\"newCandidateUser\""
            );
        }

    } finally {
        taskService.complete(task.getId());
        deleteTaskWithLogEntries(taskService, managementService, processEngineConfiguration, task.getId());
    }
}
 

@Test
@Deployment(resources = { "org/flowable/engine/test/api/runtime/oneTaskProcess.bpmn20.xml" })
public void logDeleteCandidateGroup(RuntimeService runtimeService, TaskService taskService, HistoryService historyService,
        ManagementService managementService, ProcessEngineConfiguration processEngineConfiguration) {

    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("oneTaskProcess");
    assertThat(processInstance).isNotNull();
    Task task = taskService.createTaskQuery().processInstanceId(processInstance.getId()).singleResult();
    assertThat(task).isNotNull();
    taskService.addCandidateGroup(task.getId(), "newCandidateGroup");
    try {
        taskService.deleteCandidateGroup(task.getId(), "newCandidateGroup");

        if (HistoryTestHelper.isHistoricTaskLoggingEnabled(processEngineConfiguration)) {
            List<HistoricTaskLogEntry> logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId()).list();
            assertThat(logEntries).hasSize(3);

            logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId())
                    .type("USER_TASK_IDENTITY_LINK_REMOVED")
                    .list();
            assertThat(logEntries).hasSize(1);
            assertThat(logEntries.get(0).getData()).contains(
                    "\"type\":\"candidate\"",
                    "\"groupId\":\"newCandidateGroup\""
            );
        }

    } finally {
        taskService.complete(task.getId());
        deleteTaskWithLogEntries(taskService, managementService, processEngineConfiguration, task.getId());
    }
}
 

@Test
@Deployment(resources = { "org/flowable/engine/test/api/runtime/oneTaskProcess.bpmn20.xml" })
public void logAddGroup(RuntimeService runtimeService, TaskService taskService, HistoryService historyService,
        ManagementService managementService, ProcessEngineConfiguration processEngineConfiguration) {

    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("oneTaskProcess");
    assertThat(processInstance).isNotNull();
    Task task = taskService.createTaskQuery().processInstanceId(processInstance.getId()).singleResult();
    assertThat(task).isNotNull();
    try {

        taskService.addGroupIdentityLink(task.getId(), "newCandidateGroup", IdentityLinkType.PARTICIPANT);

        if (HistoryTestHelper.isHistoricTaskLoggingEnabled(processEngineConfiguration)) {
            List<HistoricTaskLogEntry> logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId()).list();
            assertThat(logEntries).hasSize(2);

            logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId())
                    .type("USER_TASK_IDENTITY_LINK_ADDED")
                    .list();
            assertThat(logEntries).hasSize(1);
            assertThat(logEntries.get(0).getData()).contains(
                    "\"type\":\"participant\"",
                    "\"groupId\":\"newCandidateGroup\""
            );
        }

    } finally {
        taskService.complete(task.getId());
        deleteTaskWithLogEntries(taskService, managementService, processEngineConfiguration, task.getId());
    }
}
 

@Test
@Deployment(resources = { "org/flowable/engine/test/api/runtime/oneTaskProcess.bpmn20.xml" })
public void logAddCandidateGroup(RuntimeService runtimeService, TaskService taskService, HistoryService historyService,
        ManagementService managementService, ProcessEngineConfiguration processEngineConfiguration) {

    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("oneTaskProcess");
    assertThat(processInstance).isNotNull();
    Task task = taskService.createTaskQuery().processInstanceId(processInstance.getId()).singleResult();
    assertThat(task).isNotNull();

    try {
        taskService.addCandidateGroup(task.getId(), "newCandidateGroup");

        if (HistoryTestHelper.isHistoricTaskLoggingEnabled(processEngineConfiguration)) {
            List<HistoricTaskLogEntry> logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId()).list();
            assertThat(logEntries).hasSize(2);

            logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId())
                    .type("USER_TASK_IDENTITY_LINK_ADDED")
                    .list();
            assertThat(logEntries).hasSize(1);
            assertThat(logEntries.get(0).getData()).contains(
                    "\"type\":\"candidate\"",
                    "\"groupId\":\"newCandidateGroup\""
            );
        }

    } finally {
        taskService.complete(task.getId());
        deleteTaskWithLogEntries(taskService, managementService, processEngineConfiguration, task.getId());
    }
}
 

@Test
@Deployment(resources = { "org/flowable/engine/test/api/runtime/oneTaskProcess.bpmn20.xml" })
public void logAddCandidateUser(RuntimeService runtimeService, TaskService taskService, HistoryService historyService,
        ManagementService managementService, ProcessEngineConfiguration processEngineConfiguration) {

    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("oneTaskProcess");
    Task task = taskService.createTaskQuery().processInstanceId(processInstance.getId()).singleResult();
    try {
        assertThat(processInstance).isNotNull();
        assertThat(task).isNotNull();

        taskService.addCandidateUser(task.getId(), "newCandidateUser");

        if (HistoryTestHelper.isHistoricTaskLoggingEnabled(processEngineConfiguration)) {
            List<HistoricTaskLogEntry> logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId()).list();
            assertThat(logEntries).hasSize(2);

            logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId())
                    .type("USER_TASK_IDENTITY_LINK_ADDED")
                    .list();
            assertThat(logEntries).hasSize(1);
            assertThat(logEntries.get(0).getData()).contains(
                    "\"type\":\"candidate\"",
                    "\"userId\":\"newCandidateUser\""
            );
        }

    } finally {
        taskService.complete(task.getId());
        deleteTaskWithLogEntries(taskService, managementService, processEngineConfiguration, task.getId());
    }
}
 

@Test
@Deployment(resources = { "org/flowable/engine/test/api/runtime/oneTaskProcess.bpmn20.xml" })
public void logProcessTaskEvents(RuntimeService runtimeService, TaskService taskService, HistoryService historyService,
        ManagementService managementService, ProcessEngineConfiguration processEngineConfiguration) {

    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey("oneTaskProcess");
    assertThat(processInstance).isNotNull();

    Task task = taskService.createTaskQuery().processInstanceId(processInstance.getId()).singleResult();
    assertThat(task).isNotNull();
    try {
        taskService.setAssignee(task.getId(), "newAssignee");
        taskService.setOwner(task.getId(), "newOwner");
        taskService.complete(task.getId());

        if (HistoryTestHelper.isHistoricTaskLoggingEnabled(processEngineConfiguration)) {
            List<HistoricTaskLogEntry> logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId()).list();
            assertThat(logEntries).hasSize(4);

            HistoricTaskLogEntry logEntry = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId()).type("USER_TASK_CREATED").singleResult();
            assertThat(logEntry).isNotNull();
            assertThat(logEntry.getProcessDefinitionId()).isEqualTo(processInstance.getProcessDefinitionId());
            assertThat(logEntry.getExecutionId()).isEqualTo(task.getExecutionId());
            assertThat(logEntry.getProcessInstanceId()).isEqualTo(processInstance.getId());

            assertThat(historyService.createHistoricTaskLogEntryQuery().taskId(task.getId()).type("USER_TASK_ASSIGNEE_CHANGED").count()).isEqualTo(1);
            assertThat(historyService.createHistoricTaskLogEntryQuery().taskId(task.getId()).type("USER_TASK_OWNER_CHANGED").count()).isEqualTo(1);
            assertThat(historyService.createHistoricTaskLogEntryQuery().taskId(task.getId()).type("USER_TASK_COMPLETED").count()).isEqualTo(1);
        }

    } finally {
        deleteTaskWithLogEntries(taskService, managementService, processEngineConfiguration, task.getId());
    }
}
 

@Bean
CommandLineRunner startProcess(final RuntimeService runtimeService, final TaskService taskService) {
    return new CommandLineRunner() {
        @Override
        public void run(String... strings) throws Exception {
            for (int i = 0; i < 10; i++)
                runtimeService.startProcessInstanceByKey("waiter", Collections.singletonMap("customerId", (Object) i));

            for (int i = 0; i < 7; i++)
                taskService.complete(taskService.createTaskQuery().list().get(0).getId());
        }
    };
}
 

@Test
@Deployment
public void ruleUsageExample() {
    RuntimeService runtimeService = activitiRule.getRuntimeService();
    runtimeService.startProcessInstanceByKey("ruleUsage");

    TaskService taskService = activitiRule.getTaskService();
    org.flowable.task.api.Task task = taskService.createTaskQuery().singleResult();
    assertEquals("My Task", task.getName());

    taskService.complete(task.getId());
    assertEquals(0, runtimeService.createProcessInstanceQuery().count());
}
 

@Test
public void testProcessInstanceStartEvents() throws Exception {
    ProcessEngineImpl processEngine = initProcessEngine();

    TaskService taskService = processEngine.getTaskService();
    RuntimeService runtimeService = processEngine.getRuntimeService();

    Map<String, Object> variables = new HashMap<>();
    variables.put(TEST_VARIABLE, TEST_VALUE);
    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey(USERTASK_PROCESS, BUSINESS_KEY, variables);

    Task task = taskService.createTaskQuery().taskDefinitionKey("userTask").singleResult();
    TimeUnit.MILLISECONDS.sleep(50);
    taskService.complete(task.getId());

    final SimulationDebugger simRun = new ReplaySimulationRun(processEngine, getReplayHandlers(processInstance.getId()));

    simRun.init(new NoExecutionVariableScope());

    // original process is finished - there should not be any running process instance/task
    assertEquals(0, runtimeService.createProcessInstanceQuery().processDefinitionKey(USERTASK_PROCESS).count());
    assertEquals(0, taskService.createTaskQuery().taskDefinitionKey("userTask").count());

    simRun.step();

    // replay process was started
    assertEquals(1, runtimeService.createProcessInstanceQuery().processDefinitionKey(USERTASK_PROCESS).count());
    // there should be one task
    assertEquals(1, taskService.createTaskQuery().taskDefinitionKey("userTask").count());

    simRun.step();

    // userTask was completed - replay process was finished
    assertEquals(0, runtimeService.createProcessInstanceQuery().processDefinitionKey(USERTASK_PROCESS).count());
    assertEquals(0, taskService.createTaskQuery().taskDefinitionKey("userTask").count());

    simRun.close();
    processEngine.close();
    ProcessEngines.destroy();
}
 

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.setEngineName("reboot-test-schema");
        processEngineConfiguration.setJdbcUrl("jdbc:h2:mem:activiti-reboot-test;DB_CLOSE_DELAY=1000");
        processEngineConfiguration.setFlowable5CompatibilityEnabled(true);
        ProcessEngine schemaProcessEngine = processEngineConfiguration.buildProcessEngine();

        // Create process engine and deploy test process
        StandaloneProcessEngineConfiguration standaloneProcessEngineConfiguration = new StandaloneProcessEngineConfiguration();
        standaloneProcessEngineConfiguration.setEngineName("reboot-test");
        standaloneProcessEngineConfiguration.setDatabaseSchemaUpdate(ProcessEngineConfiguration.DB_SCHEMA_UPDATE_FALSE);
        standaloneProcessEngineConfiguration.setJdbcUrl("jdbc:h2:mem:activiti-reboot-test;DB_CLOSE_DELAY=1000");
        standaloneProcessEngineConfiguration.setAsyncExecutorActivate(false);
        standaloneProcessEngineConfiguration.setFlowable5CompatibilityEnabled(true);
        ProcessEngine processEngine = standaloneProcessEngineConfiguration.buildProcessEngine();

        processEngine.getRepositoryService()
                .createDeployment()
                .deploymentProperty(DeploymentProperties.DEPLOY_AS_FLOWABLE5_PROCESS_DEFINITION, Boolean.TRUE)
                .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
        standaloneProcessEngineConfiguration = new StandaloneProcessEngineConfiguration();
        standaloneProcessEngineConfiguration.setEngineName("reboot-test");
        standaloneProcessEngineConfiguration.setDatabaseSchemaUpdate(org.activiti.engine.ProcessEngineConfiguration.DB_SCHEMA_UPDATE_FALSE);
        standaloneProcessEngineConfiguration.setJdbcUrl("jdbc:h2:mem:activiti-reboot-test;DB_CLOSE_DELAY=1000");
        standaloneProcessEngineConfiguration.setAsyncExecutorActivate(false);
        standaloneProcessEngineConfiguration.setFlowable5CompatibilityEnabled(true);
        processEngine = standaloneProcessEngineConfiguration.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();
        org.flowable.task.api.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();
    }
 

@Test
@Deployment(resources = "org/flowable/engine/test/api/task/TaskIdentityLinksTest.testCustomIdentityLink.bpmn20.xml")
public void logIdentityLinkEventsForProcessIdentityLinks(RuntimeService runtimeService, TaskService taskService, HistoryService historyService,
        ManagementService managementService, ProcessEngineConfiguration processEngineConfiguration) {

    runtimeService.startProcessInstanceByKey("customIdentityLink");
    List<org.flowable.task.api.Task> tasks = taskService.createTaskQuery().taskInvolvedUser("kermit").list();
    assertThat(tasks).hasSize(1);
    task = tasks.get(0);

    if (HistoryTestHelper.isHistoricTaskLoggingEnabled(processEngineConfiguration)) {
        List<HistoricTaskLogEntry> logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId()).list();
        // create, identityLinkAdded, identityLinkAdded
        assertThat(logEntries).hasSize(3);

        logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId())
                .type("USER_TASK_IDENTITY_LINK_ADDED")
                .list();
        assertThat(logEntries).hasSize(2);

        boolean hasKermit = false;
        boolean hasManagement = false;
        String data = logEntries.get(0).getData();
        String data1 = logEntries.get(1).getData();
        if ((data.contains("\"type\":\"businessAdministrator\"") && data.contains("\"userId\":\"kermit\"")) ||
                (data1.contains("\"type\":\"businessAdministrator\"") && data1.contains("\"userId\":\"kermit\""))) {

            hasKermit = true;
        }

        if ((data.contains("\"type\":\"businessAdministrator\"") && data.contains("\"groupId\":\"management\"")) ||
                (data1.contains("\"type\":\"businessAdministrator\"") && data1.contains("\"groupId\":\"management\""))) {

            hasManagement = true;
        }

        assertThat(hasKermit).isTrue();
        assertThat(hasManagement).isTrue();

        taskService.complete(tasks.get(0).getId());

        HistoryTestHelper.waitForJobExecutorToProcessAllHistoryJobs(processEngineConfiguration, managementService, 10000, 200);
        logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId()).list();
        // + completed event. Do not expect identity link removed events
        assertThat(logEntries).hasSize(4);

        logEntries = historyService.createHistoricTaskLogEntryQuery().taskId(task.getId())
                .type("USER_TASK_COMPLETED")
                .list();
        assertThat(logEntries).hasSize(1);
    }
}
 

@Test
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.setEngineName("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().setEngineName("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/flowable/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().setEngineName("reboot-test").setDatabaseSchemaUpdate(org.flowable.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();
    org.flowable.task.api.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();
}
 

@Test
public void testProcessInstanceStartEvents() throws Exception {
    ProcessEngineImpl processEngine = initProcessEngine();

    TaskService taskService = processEngine.getTaskService();
    RuntimeService runtimeService = processEngine.getRuntimeService();
    ManagementService managementService = processEngine.getManagementService();
    HistoryService historyService = processEngine.getHistoryService();

    // record events
    Map<String, Object> variables = new HashMap<>();
    variables.put(TEST_VARIABLE, TEST_VALUE);
    ProcessInstance processInstance = runtimeService.startProcessInstanceByKey(USERTASK_PROCESS, BUSINESS_KEY, variables);

    Task task = taskService.createTaskQuery().taskDefinitionKey("userTask").singleResult();
    TimeUnit.MILLISECONDS.sleep(50);
    variables = new HashMap<>();
    variables.put(TASK_TEST_VARIABLE, TASK_TEST_VALUE);
    taskService.complete(task.getId(), variables);

    // transform log events
    List<EventLogEntry> eventLogEntries = managementService.getEventLogEntries(null, null);

    EventLogTransformer transformer = new EventLogTransformer(getTransformers());

    List<SimulationEvent> simulationEvents = transformer.transform(eventLogEntries);

    SimpleEventCalendar eventCalendar = new SimpleEventCalendar(processEngine.getProcessEngineConfiguration().getClock(), new SimulationEventComparator());
    eventCalendar.addEvents(simulationEvents);

    // replay process instance run
    final SimulationDebugger simRun = new ReplaySimulationRun(processEngine, eventCalendar, getReplayHandlers(processInstance.getId()));

    simRun.init(new NoExecutionVariableScope());

    // original process is finished - there should not be any running process instance/task
    assertEquals(0, runtimeService.createProcessInstanceQuery().processDefinitionKey(USERTASK_PROCESS).count());
    assertEquals(0, taskService.createTaskQuery().taskDefinitionKey("userTask").count());

    simRun.step();

    // replay process was started
    ProcessInstance replayProcessInstance = runtimeService.createProcessInstanceQuery()
            .processDefinitionKey(USERTASK_PROCESS)
            .singleResult();
    assertNotNull(replayProcessInstance);
    assertNotEquals(replayProcessInstance.getId(), processInstance.getId());
    assertEquals(TEST_VALUE, runtimeService.getVariable(replayProcessInstance.getId(), TEST_VARIABLE));
    // there should be one task
    assertEquals(1, taskService.createTaskQuery().taskDefinitionKey("userTask").count());

    simRun.step();

    // userTask was completed - replay process was finished
    assertEquals(0, runtimeService.createProcessInstanceQuery().processDefinitionKey(USERTASK_PROCESS).count());
    assertEquals(0, taskService.createTaskQuery().taskDefinitionKey("userTask").count());
    HistoricVariableInstance variableInstance = historyService.createHistoricVariableInstanceQuery()
            .processInstanceId(replayProcessInstance.getId())
            .variableName(TASK_TEST_VARIABLE)
            .singleResult();
    assertNotNull(variableInstance);
    assertEquals(TASK_TEST_VALUE, variableInstance.getValue());

    // close simulation
    simRun.close();
    processEngine.close();
    ProcessEngines.destroy();
}