Java Code Examples for org.camunda.bpm.engine.impl.cfg.StandaloneInMemProcessEngineConfiguration#buildProcessEngine()

public static void main(String[] args) {

    // start process engine
    StandaloneInMemProcessEngineConfiguration processEngineConfiguration = new StandaloneInMemProcessEngineConfiguration();
    processEngineConfiguration.setProcessEngineName(ProcessEngines.NAME_DEFAULT);

    // add plugins
    List<ProcessEnginePlugin> processEnginePlugins = processEngineConfiguration.getProcessEnginePlugins();
    processEnginePlugins.add(new DebuggerPlugin());
    processEnginePlugins.add(new SpinProcessEnginePlugin());
    processEnginePlugins.add(new ConnectProcessEnginePlugin());

    processEngineConfiguration.buildProcessEngine();

    DebugSessionFactory.getInstance().setSuspend(false);

    // start debug server
    DebugWebsocket debugWebsocket = null;
    try {

      // configure & start the server
      debugWebsocket = new DebugWebsocketConfiguration()
        .port(9090)
        .startServer();

      // block
      debugWebsocket.waitForShutdown();

    } finally {
      if(debugWebsocket != null) {
        debugWebsocket.shutdown();
      }
    }

  }
 

@Test
@WatchLogger(loggerNames = {"org.camunda.bpm.engine.persistence"}, level = "DEBUG")
public void shouldLogTelemetryPersistenceLog() {
  // given
  boolean telemetryInitialized = true;
  processEngineConfiguration = new StandaloneInMemProcessEngineConfiguration();
  processEngineConfiguration
                            .setInitializeTelemetry(telemetryInitialized)
                            .setJdbcUrl("jdbc:h2:mem:camunda" + getClass().getSimpleName());
 
  // when
  processEngineConfiguration.buildProcessEngine();

  // then
  assertThat(loggingRule.getFilteredLog("No telemetry property found in the database").size()).isOne();
  assertThat(loggingRule.getFilteredLog("Creating the telemetry property in database with the value: " + telemetryInitialized).size()).isOne();
}
 

protected static ProcessEngineImpl createProcessEngineImpl(boolean dmnEnabled) {
  StandaloneInMemProcessEngineConfiguration config =
      (StandaloneInMemProcessEngineConfiguration) new CustomStandaloneInMemProcessEngineConfiguration()
             .setProcessEngineName("database-dmn-test-engine")
             .setDatabaseSchemaUpdate("false")
             .setHistory(ProcessEngineConfiguration.HISTORY_FULL)
             .setJdbcUrl("jdbc:h2:mem:DatabaseDmnTest");

  config.setDmnEnabled(dmnEnabled);

  return (ProcessEngineImpl) config.buildProcessEngine();
}
 

public void testCreateConfigurationWithMismatchtingSchemaAndPrefix() {
  try {
    StandaloneInMemProcessEngineConfiguration configuration = new StandaloneInMemProcessEngineConfiguration();
    configuration.setDatabaseSchema("foo");
    configuration.setDatabaseTablePrefix("bar");
    configuration.buildProcessEngine();
    fail("Should throw exception");
  } catch (ProcessEngineException e) {
    // as expected
    assertTrue(e.getMessage().contains("When setting a schema the prefix has to be schema + '.'"));
  }
}
 

public void testCreateConfigurationWithMissingDotInSchemaAndPrefix() {
  try {
    StandaloneInMemProcessEngineConfiguration configuration = new StandaloneInMemProcessEngineConfiguration();
    configuration.setDatabaseSchema("foo");
    configuration.setDatabaseTablePrefix("foo");
    configuration.buildProcessEngine();
    fail("Should throw exception");
  } catch (ProcessEngineException e) {
    // as expected
    assertTrue(e.getMessage().contains("When setting a schema the prefix has to be schema + '.'"));
  }
}
 

@Test
public void shouldHaveDisabledTelemetryByDefault() {
  // given
  processEngineConfiguration = new StandaloneInMemProcessEngineConfiguration();
  processEngineConfiguration
                            .setJdbcUrl("jdbc:h2:mem:camunda" + getClass().getSimpleName());

  // when
  processEngineConfiguration.buildProcessEngine();

  // then
  assertThat(processEngineConfiguration.isInitializeTelemetry()).isFalse();
  assertThat(processEngineConfiguration.getManagementService().isTelemetryEnabled()).isFalse();
}
 

@Test
public void shouldStartEngineWithTelemetryEnabled() {
  // given
  processEngineConfiguration = new StandaloneInMemProcessEngineConfiguration();
  processEngineConfiguration
                            .setInitializeTelemetry(true)
                            .setJdbcUrl("jdbc:h2:mem:camunda" + getClass().getSimpleName());

  // when
  processEngineConfiguration.buildProcessEngine();

  // then
  assertThat(processEngineConfiguration.isInitializeTelemetry()).isTrue();
  assertThat(processEngineConfiguration.getManagementService().isTelemetryEnabled()).isTrue();
}
 

@Test
public void shouldStartEngineWithChangedTelemetryEndpoint() {
  // given
  String telemetryEndpoint = "http://localhost:8081/pings";
  processEngineConfiguration = new StandaloneInMemProcessEngineConfiguration();
  processEngineConfiguration
      .setTelemetryEndpoint(telemetryEndpoint)
      .setJdbcUrl("jdbc:h2:mem:camunda" + getClass().getSimpleName());

  // when
  processEngineConfiguration.buildProcessEngine();

  // then
  assertThat(processEngineConfiguration.getTelemetryEndpoint()).isEqualTo(telemetryEndpoint);
}
 

public static ProcessEngine startUpEngineAndInit() {
  Server h2Server = null;

  StandaloneInMemProcessEngineConfiguration config = new StandaloneInMemProcessEngineConfiguration();
  config.setHistoryLevel(HistoryLevel.HISTORY_LEVEL_FULL);
  config.setJdbcUsername("sa");
  config.setJdbcPassword("sa");

  // if the DB was already started (by another engine in another Microservice)
  // connect to this DB instead of starting an own one
  if (isH2DbAlreadyRunning()) {
    config.setJdbcUrl(h2DbJdbcUrl);
    config.setDatabaseSchemaUpdate("false");
  } else {
    // use in memory DB, but expose as server
    config.setJdbcUrl(h2DbServerJdbcUrl);
    h2Server = startH2Server();
  }
  ProcessEngine engine = config.buildProcessEngine();

  // create Demo users and add enterprise license (if existent in file
  // ~/.camunda/build.properties)
  LicenseHelper.setLicense(engine);
  UserGenerator.createDefaultUsers(engine);
      
  final Server h2 = h2Server;
  Runtime.getRuntime().addShutdownHook(new Thread() {
    @Override
    public void run() {
      try {
        engine.close();
        if (h2!=null) {
          h2.stop();
        }
      } catch (Exception e) {
        throw new RuntimeException("Could not disconnect: " + e.getMessage(), e);
      }
    }
  });
  
  return engine;
}
 

public static ProcessEngine startUpEngineAndInit() {
  Server h2Server = null;

  StandaloneInMemProcessEngineConfiguration config = new StandaloneInMemProcessEngineConfiguration();
  config.setHistoryLevel(HistoryLevel.HISTORY_LEVEL_FULL);
  config.setJdbcUsername("sa");
  config.setJdbcPassword("sa");

  // if the DB was already started (by another engine in another Microservice)
  // connect to this DB instead of starting an own one
  if (isH2DbAlreadyRunning()) {
    config.setJdbcUrl(h2DbJdbcUrl);
    config.setDatabaseSchemaUpdate("false");
  } else {
    // use in memory DB, but expose as server
    config.setJdbcUrl(h2DbServerJdbcUrl);
    h2Server = startH2Server();
  }
  ProcessEngine engine = config.buildProcessEngine();

  // create Demo users and add enterprise license (if existent in file
  // ~/.camunda/build.properties)
  LicenseHelper.setLicense(engine);
  UserGenerator.createDefaultUsers(engine);
      
  final Server h2 = h2Server;
  Runtime.getRuntime().addShutdownHook(new Thread() {
    @Override
    public void run() {
      try {
        engine.close();
        if (h2!=null) {
          h2.stop();
        }
      } catch (Exception e) {
        throw new RuntimeException("Could not disconnect: " + e.getMessage(), e);
      }
    }
  });
  
  return engine;
}
 

private ProcessEngine createProcessEngine(String name) {
  StandaloneInMemProcessEngineConfiguration processEngineConfiguration = new StandaloneInMemProcessEngineConfiguration();
  processEngineConfiguration.setProcessEngineName(name);
  processEngineConfiguration.setJdbcUrl(String.format("jdbc:h2:mem:%s", name));
  return processEngineConfiguration.buildProcessEngine();
}