How to use

ServiceId

in

org.apache.tapestry5.ioc.annotations

@ServiceId("Service3")
public class Service3 implements IService3 {
 private final IService2 service2;

 public Service3(IService2 service2) {
  this.service2 = service2;
 }

 public String generateString() {
  return service2.generateQuickBrownFox();
 }
}

/**
 * Extracts the service id from the passed annotated element. First the {@link ServiceId} annotation is checked.
 * If present, its value is returned. Otherwise {@link Named} annotation is checked. If present, its value is
 * returned.
 * If neither of the annotations is present, <code>null</code> value is returned
 *
 * @param annotated
 *         annotated element to get annotations from
 * @since 5.3
 */
public static String getServiceId(AnnotatedElement annotated)
{
  ServiceId serviceIdAnnotation = annotated.getAnnotation(ServiceId.class);
  if (serviceIdAnnotation != null)
  {
    return serviceIdAnnotation.value();
  }
  Named namedAnnotation = annotated.getAnnotation(Named.class);
  if (namedAnnotation != null)
  {
    String value = namedAnnotation.value();
    if (InternalCommonsUtils.isNonBlank(value))
    {
      return value;
    }
  }
  return null;
}

/**
 * Extracts the service id from the passed annotated element. First the {@link ServiceId} annotation is checked.
 * If present, its value is returned. Otherwise {@link Named} annotation is checked. If present, its value is
 * returned.
 * If neither of the annotations is present, <code>null</code> value is returned
 *
 * @param annotated
 *         annotated element to get annotations from
 * @since 5.3
 */
public static String getServiceId(AnnotatedElement annotated)
{
  ServiceId serviceIdAnnotation = annotated.getAnnotation(ServiceId.class);
  if (serviceIdAnnotation != null)
  {
    return serviceIdAnnotation.value();
  }
  Named namedAnnotation = annotated.getAnnotation(Named.class);
  if (namedAnnotation != null)
  {
    String value = namedAnnotation.value();
    if (InternalCommonsUtils.isNonBlank(value))
    {
      return value;
    }
  }
  return null;
}

@ServiceId("BarneyService")
public class ServiceIdViaAnnotationServiceImpl implements Runnable
{

  @Override
  public void run()
  {
  }

}

@ServiceId("FooService")
public static Runnable buildSomething()
{
  return new ServiceIdViaMethodAnnotationServiceImpl();
}