Class Promise<T>

A promise.

Inheritance
System.Object
FutureBase<T>
Future<T>
PromiseBase<T>
Promise<T>
Implements
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: FM.LiveSwitch
Assembly: FM.LiveSwitch.dll
Syntax
public class Promise<T> : PromiseBase<T>, IPromise where T : class
Type Parameters
Name Description
T

The type of the result.

Constructors

Promise()

Creates a new promise.

Declaration
public Promise()

Promise(Action2<Action1<T>, Action1<Exception>>)

Creates a promise with a resolve callback and a reject callback.

Declaration
public Promise(Action2<Action1<T>, Action1<Exception>> callback)
Parameters
Type Name Description
Action2<Action1<T>, Action1<System.Exception>> callback

Methods

Fail(Action1<Exception>)

Appends a handler to be executed when the promise is rejected.

Declaration
public override Future<T> Fail(Action1<Exception> rejectAction)
Parameters
Type Name Description
Action1<System.Exception> rejectAction

The reject action.
Returns
Type Description
Future<T>
Overrides
FM.LiveSwitch.Future<T>.Fail(FM.LiveSwitch.Action1<System.Exception>)

Fail(Function1<Exception, Future<T>>)

Appends a handler to be executed when the promise is rejected.

Declaration
public override Future<T> Fail(Function1<Exception, Future<T>> rejectFunction)
Parameters
Type Name Description
Function1<System.Exception, Future<T>> rejectFunction

The reject function.
Returns
Type Description
Future<T>
Overrides
FM.LiveSwitch.Future<T>.Fail(FM.LiveSwitch.Function1<System.Exception, FM.LiveSwitch.Future<T>>)

Then(Action1<T>)

Appends a handler to be executed when the promise is resolved.

Declaration
public override Future<T> Then(Action1<T> resolveAction)
Parameters
Type Name Description
Action1<T> resolveAction

The resolve action.
Returns
Type Description
Future<T>
Overrides
FM.LiveSwitch.Future<T>.Then(FM.LiveSwitch.Action1<T>)

Then(Action1<T>, Action1<Exception>)

Appends handlers to be executed when the promise is resolved or rejected.

Declaration
public override Future<T> Then(Action1<T> resolveAction, Action1<Exception> rejectAction)
Parameters
Type Name Description
Action1<T> resolveAction

The resolve action.
Action1<System.Exception> rejectAction

The reject action.
Returns
Type Description
Future<T>
Overrides
FM.LiveSwitch.Future<T>.Then(FM.LiveSwitch.Action1<T>, FM.LiveSwitch.Action1<System.Exception>)

Then<R>(Function1<T, Future<R>>)

Appends a handler to be executed when the promise is resolved.

Declaration
public override Future<R> Then<R>(Function1<T, Future<R>> resolveFunction)
    where R : class
Parameters
Type Name Description
Function1<T, Future<R>> resolveFunction

The resolve function.
Returns
Type Description
Future<R>
Type Parameters
Name Description
R
Overrides
FM.LiveSwitch.Future<T>.Then<R>(FM.LiveSwitch.Function1<T, FM.LiveSwitch.Future<R>>)

Then<R>(Function1<T, Future<R>>, Action1<Exception>)

Appends handlers to be executed when the promise is resolved or rejected.

Declaration
public override Future<R> Then<R>(Function1<T, Future<R>> resolveFunction, Action1<Exception> rejectAction)
    where R : class
Parameters
Type Name Description
Function1<T, Future<R>> resolveFunction

The resolve function.
Action1<System.Exception> rejectAction

The reject action.
Returns
Type Description
Future<R>
Type Parameters
Name Description
R
Overrides
FM.LiveSwitch.Future<T>.Then<R>(FM.LiveSwitch.Function1<T, FM.LiveSwitch.Future<R>>, FM.LiveSwitch.Action1<System.Exception>)

Wrap(Action0)

Creates a promise and resolves it after invoking a callback action, or rejects it if an exception is thrown.

Declaration
public static Future<object> Wrap(Action0 callbackAction)
Parameters
Type Name Description
Action0 callbackAction

The callback action.
Returns
Type Description
Future<System.Object>

Wrap<R>(Function0<R>)

Creates a promise and resolves it using the result from a callback function, or rejects it if an exception is thrown.

Declaration
public static Future<R> Wrap<R>(Function0<R> callbackFunction)
    where R : class
Parameters
Type Name Description
Function0<R> callbackFunction

The callback function.
Returns
Type Description
Future<R>
Type Parameters
Name Description
R

WrapAsync(Action0)

Creates a promise and resolves it after invoking a callback action, or rejects it if an exception is thrown. The callback is always dispatched to the background.

Declaration
public static Future<object> WrapAsync(Action0 callbackAction)
Parameters
Type Name Description
Action0 callbackAction

The callback action.
Returns
Type Description
Future<System.Object>

WrapAsync<R>(Function0<R>)

Creates a promise and resolves it using the result from a callback function, or rejects it if an exception is thrown. The callback is always dispatched to the background.

Declaration
public static Future<R> WrapAsync<R>(Function0<R> callbackFunction)
    where R : class
Parameters
Type Name Description
Function0<R> callbackFunction

The callback function.
Returns
Type Description
Future<R>
Type Parameters
Name Description
R

Implements

Extension Methods