Auto status change to "Under Review"
@@ -2,7 +2,7 | |||||
2 |
|
2 | |||
3 | namespace Implab.Components |
|
3 | namespace Implab.Components | |
4 | { |
|
4 | { | |
5 | public class StateChangeEventArgs { |
|
5 | public class StateChangeEventArgs : EventArgs { | |
6 | /// <summary> |
|
6 | /// <summary> | |
7 | /// The error information if any |
|
7 | /// The error information if any | |
8 | /// </summary> |
|
8 | /// </summary> |
@@ -56,6 +56,31 namespace Implab { | |||||
56 | return that; |
|
56 | return that; | |
57 | } |
|
57 | } | |
58 |
|
58 | |||
|
59 | /// <summary> | |||
|
60 | /// Adds a cancellation point to the chain of promises. When a cancellation request reaches the cancellation point the operation is | |||
|
61 | /// cancelled immediatelly, and the request is passed towards. If the operation at the higher level can not be cancelled is't result | |||
|
62 | /// will be collected with <paramref name="cleanup"/> callback. | |||
|
63 | /// </summary> | |||
|
64 | /// <typeparam name="T">The type of the promise result.</typeparam> | |||
|
65 | /// <param name="that">The promise to which the cancellation point should be attached.</param> | |||
|
66 | /// <param name="cleanup">The callback which is used to cleanup the result of the operation if the cancellation point is cancelled already.</param> | |||
|
67 | /// <returns>The promise</returns> | |||
|
68 | public static IPromise<T> CancellationPoint<T>(this IPromise<T> that, Action<T> cleanup) { | |||
|
69 | var meduim = new Promise<T>(); | |||
|
70 | ||||
|
71 | that.On(meduim.Resolve, meduim.Reject, meduim.CancelOperation); | |||
|
72 | ||||
|
73 | meduim.CancellationRequested(that.Cancel); | |||
|
74 | meduim.CancellationRequested(meduim.CancelOperation); | |||
|
75 | ||||
|
76 | if (cleanup != null) | |||
|
77 | meduim.On((Action<T>)null, null, (e) => { | |||
|
78 | that.On(cleanup); | |||
|
79 | }); | |||
|
80 | ||||
|
81 | return meduim; | |||
|
82 | } | |||
|
83 | ||||
59 | public static AsyncCallback AsyncCallback<T>(this Promise<T> that, Func<IAsyncResult,T> callback) { |
|
84 | public static AsyncCallback AsyncCallback<T>(this Promise<T> that, Func<IAsyncResult, T> callback) { | |
60 | Safe.ArgumentNotNull(that, "that"); |
|
85 | Safe.ArgumentNotNull(that, "that"); | |
61 | Safe.ArgumentNotNull(callback, "callback"); |
|
86 | Safe.ArgumentNotNull(callback, "callback"); | |
@@ -222,6 +247,30 namespace Implab { | |||||
222 | return d; |
|
247 | return d; | |
223 | } |
|
248 | } | |
224 |
|
249 | |||
|
250 | public static IPromise<T> Then<T>(this IPromise<T> that, Action<T> success, Func<Exception, T> error, Func<Exception, T> cancel) { | |||
|
251 | Safe.ArgumentNotNull(that, "that"); | |||
|
252 | var d = new FuncTask<T, T>( | |||
|
253 | x => { | |||
|
254 | success(x); | |||
|
255 | return x; | |||
|
256 | }, | |||
|
257 | error, | |||
|
258 | cancel, | |||
|
259 | false | |||
|
260 | ); | |||
|
261 | that.On(d.Resolve, d.Reject, d.CancelOperation); | |||
|
262 | d.CancellationRequested(that.Cancel); | |||
|
263 | return d; | |||
|
264 | } | |||
|
265 | ||||
|
266 | public static IPromise<T> Then<T>(this IPromise<T> that, Action<T> success, Func<Exception, T> error) { | |||
|
267 | return Then(that, success, error, null); | |||
|
268 | } | |||
|
269 | ||||
|
270 | public static IPromise<T> Then<T>(this IPromise<T> that, Action<T> success) { | |||
|
271 | return Then(that, success, null, null); | |||
|
272 | } | |||
|
273 | ||||
225 | public static IPromise<T2> Then<T, T2>(this IPromise<T> that, Func<T, T2> success, Func<Exception, T2> error) { |
|
274 | public static IPromise<T2> Then<T, T2>(this IPromise<T> that, Func<T, T2> success, Func<Exception, T2> error) { | |
226 | return Then(that, success, error, null); |
|
275 | return Then(that, success, error, null); | |
227 | } |
|
276 | } | |
@@ -230,6 +279,77 namespace Implab { | |||||
230 | return Then(that, success, null, null); |
|
279 | return Then(that, success, null, null); | |
231 | } |
|
280 | } | |
232 |
|
281 | |||
|
282 | public static IPromise<T> Always<T>(this IPromise<T> that, Action handler) { | |||
|
283 | Func<Exception, T> errorOrCancel; | |||
|
284 | if (handler != null) | |||
|
285 | errorOrCancel = e => { | |||
|
286 | handler(); | |||
|
287 | throw new PromiseTransientException(e); | |||
|
288 | }; | |||
|
289 | else | |||
|
290 | errorOrCancel = null; | |||
|
291 | ||||
|
292 | return Then( | |||
|
293 | that, | |||
|
294 | x => { | |||
|
295 | handler(); | |||
|
296 | return x; | |||
|
297 | }, | |||
|
298 | errorOrCancel, | |||
|
299 | errorOrCancel); | |||
|
300 | } | |||
|
301 | ||||
|
302 | public static IPromise Always(this IPromise that, Action handler) { | |||
|
303 | Action<Exception> errorOrCancel; | |||
|
304 | if (handler != null) | |||
|
305 | errorOrCancel = e => { | |||
|
306 | handler(); | |||
|
307 | throw new PromiseTransientException(e); | |||
|
308 | }; | |||
|
309 | else | |||
|
310 | errorOrCancel = null; | |||
|
311 | ||||
|
312 | return Then( | |||
|
313 | that, | |||
|
314 | handler, | |||
|
315 | errorOrCancel, | |||
|
316 | errorOrCancel); | |||
|
317 | } | |||
|
318 | ||||
|
319 | public static IPromise Error(this IPromise that, Action<Exception> handler, bool handleCancellation) { | |||
|
320 | Action<Exception> errorOrCancel; | |||
|
321 | if (handler != null) | |||
|
322 | errorOrCancel = e => { | |||
|
323 | handler(e); | |||
|
324 | throw new PromiseTransientException(e); | |||
|
325 | }; | |||
|
326 | else | |||
|
327 | errorOrCancel = null; | |||
|
328 | ||||
|
329 | return Then(that, null, errorOrCancel, handleCancellation ? errorOrCancel : null); | |||
|
330 | } | |||
|
331 | ||||
|
332 | public static IPromise Error(this IPromise that, Action<Exception> handler) { | |||
|
333 | return Error(that, handler, false); | |||
|
334 | } | |||
|
335 | ||||
|
336 | public static IPromise<T> Error<T>(this IPromise<T> that, Action<Exception> handler, bool handleCancellation) { | |||
|
337 | Func<Exception, T> errorOrCancel; | |||
|
338 | if (handler != null) | |||
|
339 | errorOrCancel = e => { | |||
|
340 | handler(e); | |||
|
341 | throw new PromiseTransientException(e); | |||
|
342 | }; | |||
|
343 | else | |||
|
344 | errorOrCancel = null; | |||
|
345 | ||||
|
346 | return Then(that, null, errorOrCancel, handleCancellation ? errorOrCancel : null); | |||
|
347 | } | |||
|
348 | ||||
|
349 | public static IPromise<T> Error<T>(this IPromise<T> that, Action<Exception> handler) { | |||
|
350 | return Error(that, handler, false); | |||
|
351 | } | |||
|
352 | ||||
233 | #region chain traits |
|
353 | #region chain traits | |
234 | public static IPromise Chain(this IPromise that, Func<IPromise> success, Func<Exception,IPromise> error, Func<Exception,IPromise> cancel) { |
|
354 | public static IPromise Chain(this IPromise that, Func<IPromise> success, Func<Exception, IPromise> error, Func<Exception, IPromise> cancel) { | |
235 | Safe.ArgumentNotNull(that, "that"); |
|
355 | Safe.ArgumentNotNull(that, "that"); |
@@ -4,6 +4,7 using System.Linq; | |||||
4 | using System.Text; |
|
4 | using System.Text; | |
5 | using System.Text.RegularExpressions; |
|
5 | using System.Text.RegularExpressions; | |
6 | using System.Diagnostics; |
|
6 | using System.Diagnostics; | |
|
7 | using System.Collections; | |||
7 |
|
8 | |||
8 | namespace Implab |
|
9 | namespace Implab | |
9 | { |
|
10 | { | |
@@ -60,12 +61,28 namespace Implab | |||||
60 | } |
|
61 | } | |
61 | } |
|
62 | } | |
62 |
|
63 | |||
|
64 | public static void Dispose(IEnumerable<IDisposable> objects) { | |||
|
65 | foreach (var d in objects) | |||
|
66 | if (d != null) | |||
|
67 | d.Dispose(); | |||
|
68 | } | |||
|
69 | ||||
63 | public static void Dispose(object obj) { |
|
70 | public static void Dispose(object obj) { | |
64 | var d = obj as IDisposable; |
|
71 | var d = obj as IDisposable; | |
65 | if (d != null) |
|
72 | if (d != null) | |
66 | d.Dispose(); |
|
73 | d.Dispose(); | |
67 | } |
|
74 | } | |
68 |
|
75 | |||
|
76 | public static void DispatchEvent<T>(this EventHandler<T> handler, object sender, T args) { | |||
|
77 | if (handler != null) | |||
|
78 | handler(sender, args); | |||
|
79 | } | |||
|
80 | ||||
|
81 | public static void DispatchEvent(this EventHandler handler, object sender, EventArgs args) { | |||
|
82 | if (handler != null) | |||
|
83 | handler(sender, args); | |||
|
84 | } | |||
|
85 | ||||
69 | [DebuggerStepThrough] |
|
86 | [DebuggerStepThrough] | |
70 | public static IPromise<T> Run<T>(Func<T> action) { |
|
87 | public static IPromise<T> Run<T>(Func<T> action) { | |
71 | ArgumentNotNull(action, "action"); |
|
88 | ArgumentNotNull(action, "action"); |
General Comments 3
ok, latest stable version should be in default
You need to be logged in to leave comments.
Login now