@Override
  public void deploy(final DeploymentPhaseContext phaseContext)
      throws DeploymentUnitProcessingException {

    final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
    final EEModuleDescription moduleDescription =
        deploymentUnit.getAttachment(Attachments.EE_MODULE_DESCRIPTION);
    final Module module =
        deploymentUnit.getAttachment(org.jboss.as.server.deployment.Attachments.MODULE);

    final EjbJarMetaData ejbJarMetaData =
        deploymentUnit.getAttachment(EjbDeploymentAttachmentKeys.EJB_JAR_METADATA);

    ServiceName defaultTimerPersistenceService =
        TimerPersistence.SERVICE_NAME.append(defaultTimerDataStore);
    final Map<String, ServiceName> timerPersistenceServices = new HashMap<String, ServiceName>();
    // if this is an EJB deployment then create an EJB module level TimerServiceRegistry which can
    // be used by the timer services
    // of all EJB components that belong to this EJB module.
    final TimerServiceRegistry timerServiceRegistry =
        EjbDeploymentMarker.isEjbDeployment(deploymentUnit) ? new TimerServiceRegistry() : null;

    if (ejbJarMetaData != null && ejbJarMetaData.getAssemblyDescriptor() != null) {
      List<TimerServiceMetaData> timerService =
          ejbJarMetaData.getAssemblyDescriptor().getAny(TimerServiceMetaData.class);
      if (timerService != null) {
        for (TimerServiceMetaData data : timerService) {
          if (data.getEjbName().equals("*")) {
            defaultTimerPersistenceService =
                TimerPersistence.SERVICE_NAME.append(data.getDataStoreName());
          } else {
            timerPersistenceServices.put(
                data.getEjbName(), TimerPersistence.SERVICE_NAME.append(data.getDataStoreName()));
          }
        }
      }
    }
    final ServiceName finalDefaultTimerPersistenceService = defaultTimerPersistenceService;

    for (final ComponentDescription componentDescription :
        moduleDescription.getComponentDescriptions()) {

      if (componentDescription.isTimerServiceApplicable()) {
        if (componentDescription.isTimerServiceRequired()) {
          // the component has timeout methods, it needs a 'real' timer service
          final String deploymentName;
          if (moduleDescription.getDistinctName() == null
              || moduleDescription.getDistinctName().length() == 0) {
            deploymentName =
                moduleDescription.getApplicationName() + "." + moduleDescription.getModuleName();
          } else {
            deploymentName =
                moduleDescription.getApplicationName()
                    + "."
                    + moduleDescription.getModuleName()
                    + "."
                    + moduleDescription.getDistinctName();
          }

          ROOT_LOGGER.debug(
              "Installing timer service for component " + componentDescription.getComponentName());
          componentDescription
              .getConfigurators()
              .add(
                  new ComponentConfigurator() {
                    @Override
                    public void configure(
                        final DeploymentPhaseContext context,
                        final ComponentDescription description,
                        final ComponentConfiguration configuration)
                        throws DeploymentUnitProcessingException {
                      final EJBComponentDescription ejbComponentDescription =
                          (EJBComponentDescription) description;

                      final ServiceName invokerServiceName =
                          ejbComponentDescription
                              .getServiceName()
                              .append(TimedObjectInvokerImpl.SERVICE_NAME);
                      final TimedObjectInvokerImpl invoker =
                          new TimedObjectInvokerImpl(deploymentName, module);
                      context
                          .getServiceTarget()
                          .addService(invokerServiceName, invoker)
                          .addDependency(
                              componentDescription.getCreateServiceName(),
                              EJBComponent.class,
                              invoker.getEjbComponent())
                          .install();

                      // install the timer create service
                      final ServiceName serviceName =
                          componentDescription
                              .getServiceName()
                              .append(TimerServiceImpl.SERVICE_NAME);
                      final TimerServiceImpl service =
                          new TimerServiceImpl(
                              ejbComponentDescription.getScheduleMethods(),
                              serviceName,
                              timerServiceRegistry);
                      final ServiceBuilder<javax.ejb.TimerService> createBuilder =
                          context.getServiceTarget().addService(serviceName, service);
                      createBuilder.addDependency(
                          TIMER_SERVICE_NAME, Timer.class, service.getTimerInjectedValue());
                      createBuilder.addDependency(
                          componentDescription.getCreateServiceName(),
                          EJBComponent.class,
                          service.getEjbComponentInjectedValue());
                      createBuilder.addDependency(
                          timerServiceThreadPool,
                          ExecutorService.class,
                          service.getExecutorServiceInjectedValue());
                      if (timerPersistenceServices.containsKey(
                          ejbComponentDescription.getEJBName())) {
                        createBuilder.addDependency(
                            timerPersistenceServices.get(ejbComponentDescription.getEJBName()),
                            TimerPersistence.class,
                            service.getTimerPersistence());
                      } else {
                        createBuilder.addDependency(
                            finalDefaultTimerPersistenceService,
                            TimerPersistence.class,
                            service.getTimerPersistence());
                      }
                      createBuilder.addDependency(
                          invokerServiceName,
                          TimedObjectInvoker.class,
                          service.getTimedObjectInvoker());
                      createBuilder.install();
                      ejbComponentDescription.setTimerService(service);
                      // inject the timer service directly into the start service
                      configuration
                          .getStartDependencies()
                          .add(
                              new DependencyConfigurator<ComponentStartService>() {
                                @Override
                                public void configureDependency(
                                    final ServiceBuilder<?> serviceBuilder,
                                    final ComponentStartService service)
                                    throws DeploymentUnitProcessingException {
                                  serviceBuilder.addDependency(serviceName);
                                }
                              });
                    }
                  });
        } else {
          // the EJB is of a type that could have a timer service, but has no timer methods.
          // just bind the non-functional timer service
          componentDescription
              .getConfigurators()
              .add(
                  new ComponentConfigurator() {
                    @Override
                    public void configure(
                        final DeploymentPhaseContext context,
                        final ComponentDescription description,
                        final ComponentConfiguration configuration)
                        throws DeploymentUnitProcessingException {
                      final EJBComponentDescription ejbComponentDescription =
                          (EJBComponentDescription) description;
                      final ServiceName nonFunctionalTimerServiceName =
                          NonFunctionalTimerService.serviceNameFor(ejbComponentDescription);
                      final NonFunctionalTimerService nonFunctionalTimerService;
                      if (ejbComponentDescription instanceof StatefulComponentDescription) {
                        // for stateful beans, use a different error message that gets thrown from
                        // the NonFunctionalTimerService
                        nonFunctionalTimerService =
                            new NonFunctionalTimerService(
                                EjbMessages.MESSAGES.timerServiceMethodNotAllowedForSFSB(
                                    ejbComponentDescription.getComponentName()),
                                timerServiceRegistry);
                      } else {
                        nonFunctionalTimerService =
                            new NonFunctionalTimerService(
                                EjbMessages.MESSAGES.ejbHasNoTimerMethods(), timerServiceRegistry);
                      }
                      // add the non-functional timer service as a MSC service
                      context
                          .getServiceTarget()
                          .addService(nonFunctionalTimerServiceName, nonFunctionalTimerService)
                          .install();
                      // set the timer service in the EJB component
                      ejbComponentDescription.setTimerService(nonFunctionalTimerService);
                      // now we want the EJB component to depend on this non-functional timer
                      // service to start
                      configuration
                          .getStartDependencies()
                          .add(
                              new DependencyConfigurator<ComponentStartService>() {
                                @Override
                                public void configureDependency(
                                    ServiceBuilder<?> serviceBuilder, ComponentStartService service)
                                    throws DeploymentUnitProcessingException {
                                  serviceBuilder.addDependency(nonFunctionalTimerServiceName);
                                }
                              });
                    }
                  });
        }
      }
    }
  }