org.eclipse.jetty.util

Interface Callback<C>

Type Parameters:

C - the type of the context object

All Known Implementing Classes:

Callback.Empty, ControlFrameBytes, DataFrameBytes, ExecutorCallback, FrameBytes, FutureCallback, IWebSocketClient, Promise, StandardSession, UpgradeConnection.SendUpgradeRequest, WebSocketOpenCallback

public interface Callback<C>

A callback abstraction that handles completed/failed events of asynchronous operations.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	Callback.Empty<C> Empty implementation of Callback

Method Summary

Methods

Modifier and Type	Method and Description
void	completed(C context) Callback invoked when the operation completes.
void	failed(C context, Throwable x) Callback invoked when the operation fails.

Method Detail

completed

void completed(C context)

Callback invoked when the operation completes.

Parameters:

context - the context

See Also:

failed(Object, Throwable)

failed

void failed(C context,
          Throwable x)

Callback invoked when the operation fails.

Parameters:

context - the context

x - the reason for the operation failure