com.threerings.gwt.util

Class Callbacks

java.lang.Object

com.threerings.gwt.util.Callbacks

public class Callbacks
extends Object

Utility methods relating to AsyncCallback and our various callback-related helper classes.

Constructor Summary

Constructors

Constructor and Description
Callbacks()

Method Summary

Methods

Modifier and Type	Method and Description
static <T> AsyncCallback<T>	before(AsyncCallback<T> target, Function<T,Void> preOp) Creates a chained callback that calls the supplied pre-operation before passing the result on to the supplied target callback.
static <T> AsyncCallback<T>	disabler(AsyncCallback<T> callback, HasEnabled... disablees) Immediately disables the specified widgets, and wraps the supplied callback in one that will reenable those widgets when the callback returns successfully or with failure.
static <T,P> AsyncCallback<T>	map(AsyncCallback<P> target, Function<T,P> f) Creates a chained callback that maps the result using the supplied function and passes the mapped result to the target callback.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Callbacks

public Callbacks()

Method Detail

map

public static <T,P> AsyncCallback<T> map(AsyncCallback<P> target,
                         Function<T,P> f)

Creates a chained callback that maps the result using the supplied function and passes the mapped result to the target callback.

before

public static <T> AsyncCallback<T> before(AsyncCallback<T> target,
                          Function<T,Void> preOp)

Creates a chained callback that calls the supplied pre-operation before passing the result on to the supplied target callback.

disabler

public static <T> AsyncCallback<T> disabler(AsyncCallback<T> callback,
                            HasEnabled... disablees)

Immediately disables the specified widgets, and wraps the supplied callback in one that will reenable those widgets when the callback returns successfully or with failure.