FanoutReceiver (GWT Javadoc)

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## com.google.web.bindery.requestfactory.shared
Class FanoutReceiver<T>

    java.lang.Object
      com.google.web.bindery.requestfactory.shared.Receiver<T>
          com.google.web.bindery.requestfactory.shared.FanoutReceiver<T>

Type Parameters:
  `T` - the type of data being received

    public class FanoutReceiver<T>

extends Receiver<T>

A FanoutReceiver will forward its callbacks to zero or more other Receivers. Any exceptions thrown by the queued Receivers will be re-thrown as an `UmbrellaException` after all Receivers have been invoked.

Constructor Summary
`FanoutReceiver()`

Method Summary
`void` | `add(Receiver<? super T> receiver)` Register a receiver to be called by the fanout.
`protected void` | `finish()` Called after all Receivers have been executed.
`void` | `onConstraintViolation(java.util.Set<ConstraintViolation<?>> violations)` Called if an object sent to the server could not be validated.
`void` | `onFailure(ServerFailure error)` Receives general failure notifications.
`void` | `onSuccess(T response)` Called when a Request has been successfully executed on the server.
`protected void` | `onUncaughtThrowable(java.lang.Throwable t)` Subclasses may override this method to alter how the FanoutReceiver collects exceptions that escape from the queued Receivers.
`void` | `onViolation(java.util.Set<Violation> errors)` Deprecated.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### FanoutReceiver

    public FanoutReceiver()

Method Detail

### add

    public void add(Receiver<? super T> receiver)

  Register a receiver to be called by the fanout.

  Throws:
    `java.lang.IllegalArgumentException` - if `receiver` is `null`

### onConstraintViolation

    public void onConstraintViolation(java.util.Set<ConstraintViolation<?>> violations)

  Description copied from class: `Receiver`
  Called if an object sent to the server could not be validated. The default implementation calls `Receiver.onViolation(Set)`, converting the `ConstraintViolation` objects to the deprecated `Violation` type.

  Overrides:
    `onConstraintViolation` in class `Receiver<T>`
  Parameters:
    `violations` - a Set of `ConstraintViolation` instances

### onFailure

    public void onFailure(ServerFailure error)

  Description copied from class: `Receiver`
  Receives general failure notifications. The default implementation looks at `ServerFailure.isFatal()`, and throws a runtime exception with the failure object's error message if it is true.

  Overrides:
    `onFailure` in class `Receiver<T>`
  Parameters:
    `error` - a `ServerFailure` instance

### onSuccess

    public void onSuccess(T response)

  Description copied from class: `Receiver`
  Called when a Request has been successfully executed on the server.

  Specified by:
    `onSuccess` in class `Receiver<T>`
  Parameters:
    `response` - a response of type V

### onViolation

    @Deprecated
    public void onViolation(java.util.Set<Violation> errors)

  Deprecated.

  Description copied from class: `Receiver`
  Called if an object sent to the server could not be validated. The default implementation calls `Receiver.onFailure(ServerFailure)` if `errors` is not empty.

  Overrides:
    `onViolation` in class `Receiver<T>`
  Parameters:
    `errors` - a Set of `Violation` instances

### finish

    protected void finish()

  Called after all Receivers have been executed.

### onUncaughtThrowable

    protected void onUncaughtThrowable(java.lang.Throwable t)

  Subclasses may override this method to alter how the FanoutReceiver collects exceptions that escape from the queued Receivers.

Overview | Package | Class | Use | Deprecated | Help
| GWT 2.7.0
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