com.englishtown.promises

Interface PromiseExt<TResolve,TProgress>

Type Parameters:

TResolve - the type passed to fulfillment or rejection handlers

TProgress - the type passed to progress handlers

All Superinterfaces:

ProgressPromise<TResolve,TProgress>, Thenable<TResolve,TProgress>

All Known Implementing Classes:

OldWhenProgress.PromiseImpl, When.FulfilledPromise2, When.ProgressingPromise2, When.Promise2, When.RejectedPromise2, WhenProgress.FulfilledPromise, WhenProgress.ProgressingPromise, WhenProgress.Promise0, WhenProgress.RejectedPromise, WhenProgress.TrustedPromise

public interface PromiseExt<TResolve,TProgress>
extends ProgressPromise<TResolve,TProgress>

Extends the standard ProgressPromise with additional functionality

Method Summary

Methods

Modifier and Type	Method and Description
ProgressPromise<TResolve,TProgress>	always(Runnable<? extends ProgressPromise<TResolve,TProgress>,TResolve> onFulfilledOrRejected) Register a callback that will be called when a promise is fulfilled or rejected.
ProgressPromise<TResolve,TProgress>	always(Runnable<? extends ProgressPromise<TResolve,TProgress>,TResolve> onFulfilledOrRejected, Runnable<Value<TProgress>,Value<TProgress>> onProgress) Register a callback that will be called when a promise is fulfilled or rejected.
PromiseState<TResolve>	inspect() Returns the current state of a promise
ProgressPromise<TResolve,TProgress>	otherwise(Runnable<? extends ProgressPromise<TResolve,TProgress>,Value<TResolve>> onRejected) Register a rejection handler.
ProgressPromise<TResolve,TProgress>	yield(Thenable<TResolve,TProgress> promise) Shortcut for .then(function() { return resolve(value); })
ProgressPromise<TResolve,TProgress>	yield(TResolve value) Shortcut for .then(function() { return resolve(value); })

Methods inherited from interface com.englishtown.promises.ProgressPromise

then, then

Methods inherited from interface com.englishtown.promises.Thenable

then

Method Detail

always

ProgressPromise<TResolve,TProgress> always(Runnable<? extends ProgressPromise<TResolve,TProgress>,TResolve> onFulfilledOrRejected)

Register a callback that will be called when a promise is fulfilled or rejected.

Shortcut for .then(onFulfilledOrRejected, onFulfilledOrRejected, onProgress)

Parameters:

onFulfilledOrRejected - a callback for when a promise is fulfilled or rejected

Returns:

a new ProgressPromise

always

ProgressPromise<TResolve,TProgress> always(Runnable<? extends ProgressPromise<TResolve,TProgress>,TResolve> onFulfilledOrRejected,
                                         Runnable<Value<TProgress>,Value<TProgress>> onProgress)

Register a callback that will be called when a promise is fulfilled or rejected. Also register a progress handler.

Shortcut for .then(onFulfilledOrRejected, onFulfilledOrRejected, onProgress)

Parameters:

onFulfilledOrRejected - a callback for when a promise is fulfilled or rejected

onProgress - a callback for progress notifications

Returns:

a new ProgressPromise

otherwise

ProgressPromise<TResolve,TProgress> otherwise(Runnable<? extends ProgressPromise<TResolve,TProgress>,Value<TResolve>> onRejected)

Register a rejection handler. Shortcut for .then(null, onRejected)

Parameters:

onRejected - rejection handler

Returns:

a new ProgressPromise

yield

ProgressPromise<TResolve,TProgress> yield(TResolve value)

Shortcut for .then(function() { return resolve(value); })

Parameters:

value - the value to be returned

Returns:

an already-fulfilled ProgressPromise

yield

ProgressPromise<TResolve,TProgress> yield(Thenable<TResolve,TProgress> promise)

Shortcut for .then(function() { return resolve(value); })

Parameters:

promise - the promise to be returned

Returns:

an ProgressPromise that fulfill with its value or reject with its reason.

inspect

PromiseState<TResolve> inspect()

Returns the current state of a promise

Returns: