Auto status change to "Under Review"
@@ -1,16 +1,16 | |||||
1 | using System; |
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1 | using System; | |
2 |
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2 | |||
3 | namespace Implab.Components |
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3 | namespace Implab.Components | |
4 | { |
|
4 | { | |
5 | public class StateChangeEventArgs { |
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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> | |
9 | public Exception LastError { get; set; } |
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9 | public Exception LastError { get; set; } | |
10 |
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10 | |||
11 | /// <summary> |
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11 | /// <summary> | |
12 | /// The state of the service corresponding to this event |
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12 | /// The state of the service corresponding to this event | |
13 | /// </summary> |
|
13 | /// </summary> | |
14 | public ExecutionState State { get; set; } |
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14 | public ExecutionState State { get; set; } | |
15 | } |
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15 | } | |
16 | } |
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16 | } |
@@ -1,300 +1,420 | |||||
1 | using System.Threading; |
|
1 | using System.Threading; | |
2 | using System; |
|
2 | using System; | |
3 | using Implab.Diagnostics; |
|
3 | using Implab.Diagnostics; | |
4 | using System.Collections.Generic; |
|
4 | using System.Collections.Generic; | |
5 | using System.Linq; |
|
5 | using System.Linq; | |
6 |
|
6 | |||
7 | namespace Implab { |
|
7 | namespace Implab { | |
8 | public static class PromiseExtensions { |
|
8 | public static class PromiseExtensions { | |
9 | public static IPromise<T> DispatchToCurrentContext<T>(this IPromise<T> that) { |
|
9 | public static IPromise<T> DispatchToCurrentContext<T>(this IPromise<T> that) { | |
10 | Safe.ArgumentNotNull(that, "that"); |
|
10 | Safe.ArgumentNotNull(that, "that"); | |
11 | var context = SynchronizationContext.Current; |
|
11 | var context = SynchronizationContext.Current; | |
12 | if (context == null) |
|
12 | if (context == null) | |
13 | return that; |
|
13 | return that; | |
14 |
|
14 | |||
15 | var p = new SyncContextPromise<T>(context); |
|
15 | var p = new SyncContextPromise<T>(context); | |
16 | p.CancellationRequested(that.Cancel); |
|
16 | p.CancellationRequested(that.Cancel); | |
17 |
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17 | |||
18 | that.On( |
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18 | that.On( | |
19 | p.Resolve, |
|
19 | p.Resolve, | |
20 | p.Reject, |
|
20 | p.Reject, | |
21 | p.CancelOperation |
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21 | p.CancelOperation | |
22 | ); |
|
22 | ); | |
23 | return p; |
|
23 | return p; | |
24 | } |
|
24 | } | |
25 |
|
25 | |||
26 | public static IPromise<T> DispatchToContext<T>(this IPromise<T> that, SynchronizationContext context) { |
|
26 | public static IPromise<T> DispatchToContext<T>(this IPromise<T> that, SynchronizationContext context) { | |
27 | Safe.ArgumentNotNull(that, "that"); |
|
27 | Safe.ArgumentNotNull(that, "that"); | |
28 | Safe.ArgumentNotNull(context, "context"); |
|
28 | Safe.ArgumentNotNull(context, "context"); | |
29 |
|
29 | |||
30 | var p = new SyncContextPromise<T>(context); |
|
30 | var p = new SyncContextPromise<T>(context); | |
31 | p.CancellationRequested(that.Cancel); |
|
31 | p.CancellationRequested(that.Cancel); | |
32 |
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32 | |||
33 | that.On( |
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33 | that.On( | |
34 | p.Resolve, |
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34 | p.Resolve, | |
35 | p.Reject, |
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35 | p.Reject, | |
36 | p.CancelOperation |
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36 | p.CancelOperation | |
37 | ); |
|
37 | ); | |
38 | return p; |
|
38 | return p; | |
39 | } |
|
39 | } | |
40 |
|
40 | |||
41 | /// <summary> |
|
41 | /// <summary> | |
42 | /// Ensures the dispatched. |
|
42 | /// Ensures the dispatched. | |
43 | /// </summary> |
|
43 | /// </summary> | |
44 | /// <returns>The dispatched.</returns> |
|
44 | /// <returns>The dispatched.</returns> | |
45 | /// <param name="that">That.</param> |
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45 | /// <param name="that">That.</param> | |
46 | /// <param name="head">Head.</param> |
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46 | /// <param name="head">Head.</param> | |
47 | /// <param name="cleanup">Cleanup.</param> |
|
47 | /// <param name="cleanup">Cleanup.</param> | |
48 | /// <typeparam name="TPromise">The 1st type parameter.</typeparam> |
|
48 | /// <typeparam name="TPromise">The 1st type parameter.</typeparam> | |
49 | /// <typeparam name="T">The 2nd type parameter.</typeparam> |
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49 | /// <typeparam name="T">The 2nd type parameter.</typeparam> | |
50 | public static TPromise EnsureDispatched<TPromise,T>(this TPromise that, IPromise<T> head, Action<T> cleanup) where TPromise : IPromise{ |
|
50 | public static TPromise EnsureDispatched<TPromise, T>(this TPromise that, IPromise<T> head, Action<T> cleanup) where TPromise : IPromise { | |
51 | Safe.ArgumentNotNull(that, "that"); |
|
51 | Safe.ArgumentNotNull(that, "that"); | |
52 | Safe.ArgumentNotNull(head, "head"); |
|
52 | Safe.ArgumentNotNull(head, "head"); | |
53 |
|
53 | |||
54 | that.On(() => head.On(cleanup), PromiseEventType.Cancelled); |
|
54 | that.On(() => head.On(cleanup), PromiseEventType.Cancelled); | |
55 |
|
55 | |||
56 | return that; |
|
56 | return that; | |
57 | } |
|
57 | } | |
58 |
|
58 | |||
59 | public static AsyncCallback AsyncCallback<T>(this Promise<T> that, Func<IAsyncResult,T> callback) { |
|
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 | ||||
|
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"); | |
62 | var op = TraceContext.Instance.CurrentOperation; |
|
87 | var op = TraceContext.Instance.CurrentOperation; | |
63 | return ar => { |
|
88 | return ar => { | |
64 | TraceContext.Instance.EnterLogicalOperation(op,false); |
|
89 | TraceContext.Instance.EnterLogicalOperation(op, false); | |
65 | try { |
|
90 | try { | |
66 | that.Resolve(callback(ar)); |
|
91 | that.Resolve(callback(ar)); | |
67 | } catch (Exception err) { |
|
92 | } catch (Exception err) { | |
68 | that.Reject(err); |
|
93 | that.Reject(err); | |
69 | } finally { |
|
94 | } finally { | |
70 | TraceContext.Instance.Leave(); |
|
95 | TraceContext.Instance.Leave(); | |
71 | } |
|
96 | } | |
72 | }; |
|
97 | }; | |
73 | } |
|
98 | } | |
74 |
|
99 | |||
75 | static void CancelByTimeoutCallback(object cookie) { |
|
100 | static void CancelByTimeoutCallback(object cookie) { | |
76 | ((ICancellable)cookie).Cancel(new TimeoutException()); |
|
101 | ((ICancellable)cookie).Cancel(new TimeoutException()); | |
77 | } |
|
102 | } | |
78 |
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103 | |||
79 | /// <summary> |
|
104 | /// <summary> | |
80 | /// Cancells promise after the specified timeout is elapsed. |
|
105 | /// Cancells promise after the specified timeout is elapsed. | |
81 | /// </summary> |
|
106 | /// </summary> | |
82 | /// <param name="that">The promise to cancel on timeout.</param> |
|
107 | /// <param name="that">The promise to cancel on timeout.</param> | |
83 | /// <param name="milliseconds">The timeout in milliseconds.</param> |
|
108 | /// <param name="milliseconds">The timeout in milliseconds.</param> | |
84 | /// <typeparam name="TPromise">The 1st type parameter.</typeparam> |
|
109 | /// <typeparam name="TPromise">The 1st type parameter.</typeparam> | |
85 | public static TPromise Timeout<TPromise>(this TPromise that, int milliseconds) where TPromise : IPromise { |
|
110 | public static TPromise Timeout<TPromise>(this TPromise that, int milliseconds) where TPromise : IPromise { | |
86 | Safe.ArgumentNotNull(that, "that"); |
|
111 | Safe.ArgumentNotNull(that, "that"); | |
87 | var timer = new Timer(CancelByTimeoutCallback, that, milliseconds, -1); |
|
112 | var timer = new Timer(CancelByTimeoutCallback, that, milliseconds, -1); | |
88 | that.On(timer.Dispose, PromiseEventType.All); |
|
113 | that.On(timer.Dispose, PromiseEventType.All); | |
89 | return that; |
|
114 | return that; | |
90 | } |
|
115 | } | |
91 |
|
116 | |||
92 | public static IPromise PromiseAll(this IEnumerable<IPromise> that) { |
|
117 | public static IPromise PromiseAll(this IEnumerable<IPromise> that) { | |
93 | Safe.ArgumentNotNull(that, "that"); |
|
118 | Safe.ArgumentNotNull(that, "that"); | |
94 | return PromiseAll(that.ToList()); |
|
119 | return PromiseAll(that.ToList()); | |
95 | } |
|
120 | } | |
96 |
|
121 | |||
97 | public static IPromise<T[]> PromiseAll<T>(this IEnumerable<IPromise<T>> that) { |
|
122 | public static IPromise<T[]> PromiseAll<T>(this IEnumerable<IPromise<T>> that) { | |
98 | Safe.ArgumentNotNull(that, "that"); |
|
123 | Safe.ArgumentNotNull(that, "that"); | |
99 | return PromiseAll(that.ToList()); |
|
124 | return PromiseAll(that.ToList()); | |
100 | } |
|
125 | } | |
101 |
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126 | |||
102 | public static IPromise PromiseAll(this ICollection<IPromise> that) { |
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127 | public static IPromise PromiseAll(this ICollection<IPromise> that) { | |
103 | Safe.ArgumentNotNull(that, "that"); |
|
128 | Safe.ArgumentNotNull(that, "that"); | |
104 |
|
129 | |||
105 | int count = that.Count; |
|
130 | int count = that.Count; | |
106 | int errors = 0; |
|
131 | int errors = 0; | |
107 | var medium = new Promise(); |
|
132 | var medium = new Promise(); | |
108 |
|
133 | |||
109 | if (count == 0) { |
|
134 | if (count == 0) { | |
110 | medium.Resolve(); |
|
135 | medium.Resolve(); | |
111 | return medium; |
|
136 | return medium; | |
112 | } |
|
137 | } | |
113 |
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138 | |||
114 | medium.On(() => { |
|
139 | medium.On(() => { | |
115 | foreach(var p2 in that) |
|
140 | foreach (var p2 in that) | |
116 | p2.Cancel(); |
|
141 | p2.Cancel(); | |
117 | }, PromiseEventType.ErrorOrCancel); |
|
142 | }, PromiseEventType.ErrorOrCancel); | |
118 |
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143 | |||
119 | foreach (var p in that) |
|
144 | foreach (var p in that) | |
120 | p.On( |
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145 | p.On( | |
121 | () => { |
|
146 | () => { | |
122 | if (Interlocked.Decrement(ref count) == 0) |
|
147 | if (Interlocked.Decrement(ref count) == 0) | |
123 | medium.Resolve(); |
|
148 | medium.Resolve(); | |
124 | }, |
|
149 | }, | |
125 | error => { |
|
150 | error => { | |
126 | if (Interlocked.Increment(ref errors) == 1) |
|
151 | if (Interlocked.Increment(ref errors) == 1) | |
127 | medium.Reject( |
|
152 | medium.Reject( | |
128 | new Exception("The dependency promise is failed", error) |
|
153 | new Exception("The dependency promise is failed", error) | |
129 | ); |
|
154 | ); | |
130 | }, |
|
155 | }, | |
131 | reason => { |
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156 | reason => { | |
132 | if (Interlocked.Increment(ref errors) == 1) |
|
157 | if (Interlocked.Increment(ref errors) == 1) | |
133 | medium.Cancel( |
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158 | medium.Cancel( | |
134 | new Exception("The dependency promise is cancelled") |
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159 | new Exception("The dependency promise is cancelled") | |
135 | ); |
|
160 | ); | |
136 | } |
|
161 | } | |
137 | ); |
|
162 | ); | |
138 |
|
163 | |||
139 | return medium; |
|
164 | return medium; | |
140 | } |
|
165 | } | |
141 |
|
166 | |||
142 | public static IPromise<T[]> PromiseAll<T>(this ICollection<IPromise<T>> that) { |
|
167 | public static IPromise<T[]> PromiseAll<T>(this ICollection<IPromise<T>> that) { | |
143 | Safe.ArgumentNotNull(that, "that"); |
|
168 | Safe.ArgumentNotNull(that, "that"); | |
144 |
|
169 | |||
145 | int count = that.Count; |
|
170 | int count = that.Count; | |
146 | int errors = 0; |
|
171 | int errors = 0; | |
147 | var medium = new Promise<T[]>(); |
|
172 | var medium = new Promise<T[]>(); | |
148 | var results = new T[that.Count]; |
|
173 | var results = new T[that.Count]; | |
149 |
|
174 | |||
150 | medium.On(() => { |
|
175 | medium.On(() => { | |
151 | foreach(var p2 in that) |
|
176 | foreach (var p2 in that) | |
152 | p2.Cancel(); |
|
177 | p2.Cancel(); | |
153 | }, PromiseEventType.ErrorOrCancel); |
|
178 | }, PromiseEventType.ErrorOrCancel); | |
154 |
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179 | |||
155 | int i = 0; |
|
180 | int i = 0; | |
156 | foreach (var p in that) { |
|
181 | foreach (var p in that) { | |
157 | var idx = i; |
|
182 | var idx = i; | |
158 | p.On( |
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183 | p.On( | |
159 | x => { |
|
184 | x => { | |
160 | results[idx] = x; |
|
185 | results[idx] = x; | |
161 | if (Interlocked.Decrement(ref count) == 0) |
|
186 | if (Interlocked.Decrement(ref count) == 0) | |
162 | medium.Resolve(results); |
|
187 | medium.Resolve(results); | |
163 | }, |
|
188 | }, | |
164 | error => { |
|
189 | error => { | |
165 | if (Interlocked.Increment(ref errors) == 1) |
|
190 | if (Interlocked.Increment(ref errors) == 1) | |
166 | medium.Reject( |
|
191 | medium.Reject( | |
167 | new Exception("The dependency promise is failed", error) |
|
192 | new Exception("The dependency promise is failed", error) | |
168 | ); |
|
193 | ); | |
169 | }, |
|
194 | }, | |
170 | reason => { |
|
195 | reason => { | |
171 | if (Interlocked.Increment(ref errors) == 1) |
|
196 | if (Interlocked.Increment(ref errors) == 1) | |
172 | medium.Cancel( |
|
197 | medium.Cancel( | |
173 | new Exception("The dependency promise is cancelled", reason) |
|
198 | new Exception("The dependency promise is cancelled", reason) | |
174 | ); |
|
199 | ); | |
175 | } |
|
200 | } | |
176 | ); |
|
201 | ); | |
177 | i++; |
|
202 | i++; | |
178 | } |
|
203 | } | |
179 |
|
204 | |||
180 | return medium; |
|
205 | return medium; | |
181 | } |
|
206 | } | |
182 |
|
207 | |||
183 | public static IPromise Then(this IPromise that, Action success, Action<Exception> error, Action<Exception> cancel) { |
|
208 | public static IPromise Then(this IPromise that, Action success, Action<Exception> error, Action<Exception> cancel) { | |
184 | Safe.ArgumentNotNull(that, "that"); |
|
209 | Safe.ArgumentNotNull(that, "that"); | |
185 |
|
210 | |||
186 | var d = new ActionTask(success, error, cancel, false); |
|
211 | var d = new ActionTask(success, error, cancel, false); | |
187 | that.On(d.Resolve, d.Reject, d.CancelOperation); |
|
212 | that.On(d.Resolve, d.Reject, d.CancelOperation); | |
188 | d.CancellationRequested(that.Cancel); |
|
213 | d.CancellationRequested(that.Cancel); | |
189 | return d; |
|
214 | return d; | |
190 | } |
|
215 | } | |
191 |
|
216 | |||
192 | public static IPromise Then(this IPromise that, Action success, Action<Exception> error) { |
|
217 | public static IPromise Then(this IPromise that, Action success, Action<Exception> error) { | |
193 | return Then(that, success, error, null); |
|
218 | return Then(that, success, error, null); | |
194 | } |
|
219 | } | |
195 |
|
220 | |||
196 | public static IPromise Then(this IPromise that, Action success) { |
|
221 | public static IPromise Then(this IPromise that, Action success) { | |
197 | return Then(that, success, null, null); |
|
222 | return Then(that, success, null, null); | |
198 | } |
|
223 | } | |
199 |
|
224 | |||
200 | public static IPromise<T> Then<T>(this IPromise that, Func<T> success, Func<Exception, T> error, Func<Exception, T> cancel) { |
|
225 | public static IPromise<T> Then<T>(this IPromise that, Func<T> success, Func<Exception, T> error, Func<Exception, T> cancel) { | |
201 | Safe.ArgumentNotNull(that, "that"); |
|
226 | Safe.ArgumentNotNull(that, "that"); | |
202 |
|
227 | |||
203 | var d = new FuncTask<T>(success, error, cancel, false); |
|
228 | var d = new FuncTask<T>(success, error, cancel, false); | |
204 | that.On(d.Resolve, d.Reject, d.CancelOperation); |
|
229 | that.On(d.Resolve, d.Reject, d.CancelOperation); | |
205 | d.CancellationRequested(that.Cancel); |
|
230 | d.CancellationRequested(that.Cancel); | |
206 | return d; |
|
231 | return d; | |
207 | } |
|
232 | } | |
208 |
|
233 | |||
209 | public static IPromise<T> Then<T>(this IPromise that, Func<T> success, Func<Exception, T> error) { |
|
234 | public static IPromise<T> Then<T>(this IPromise that, Func<T> success, Func<Exception, T> error) { | |
210 | return Then(that, success, error, null); |
|
235 | return Then(that, success, error, null); | |
211 | } |
|
236 | } | |
212 |
|
237 | |||
213 | public static IPromise<T> Then<T>(this IPromise that, Func<T> success) { |
|
238 | public static IPromise<T> Then<T>(this IPromise that, Func<T> success) { | |
214 | return Then(that, success, null, null); |
|
239 | return Then(that, success, null, null); | |
215 | } |
|
240 | } | |
216 |
|
241 | |||
217 | public static IPromise<T2> Then<T, T2>(this IPromise<T> that, Func<T, T2> success, Func<Exception, T2> error, Func<Exception, T2> cancel) { |
|
242 | public static IPromise<T2> Then<T, T2>(this IPromise<T> that, Func<T, T2> success, Func<Exception, T2> error, Func<Exception, T2> cancel) { | |
218 | Safe.ArgumentNotNull(that, "that"); |
|
243 | Safe.ArgumentNotNull(that, "that"); | |
219 | var d = new FuncTask<T,T2>(success, error, cancel, false); |
|
244 | var d = new FuncTask<T, T2>(success, error, cancel, false); | |
220 | that.On(d.Resolve, d.Reject, d.CancelOperation); |
|
245 | that.On(d.Resolve, d.Reject, d.CancelOperation); | |
221 | d.CancellationRequested(that.Cancel); |
|
246 | d.CancellationRequested(that.Cancel); | |
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 | } | |
228 |
|
277 | |||
229 | public static IPromise<T2> Then<T, T2>(this IPromise<T> that, Func<T, T2> success) { |
|
278 | public static IPromise<T2> Then<T, T2>(this IPromise<T> that, Func<T, T2> success) { | |
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"); | |
236 |
|
356 | |||
237 | var d = new ActionChainTask(success, error, cancel, false); |
|
357 | var d = new ActionChainTask(success, error, cancel, false); | |
238 | that.On(d.Resolve, d.Reject, d.CancelOperation); |
|
358 | that.On(d.Resolve, d.Reject, d.CancelOperation); | |
239 | d.CancellationRequested(that.Cancel); |
|
359 | d.CancellationRequested(that.Cancel); | |
240 | return d; |
|
360 | return d; | |
241 | } |
|
361 | } | |
242 |
|
362 | |||
243 | public static IPromise Chain(this IPromise that, Func<IPromise> success, Func<Exception,IPromise> error) { |
|
363 | public static IPromise Chain(this IPromise that, Func<IPromise> success, Func<Exception, IPromise> error) { | |
244 | return Chain(that, success, error, null); |
|
364 | return Chain(that, success, error, null); | |
245 | } |
|
365 | } | |
246 |
|
366 | |||
247 | public static IPromise Chain(this IPromise that, Func<IPromise> success) { |
|
367 | public static IPromise Chain(this IPromise that, Func<IPromise> success) { | |
248 | return Chain(that, success, null, null); |
|
368 | return Chain(that, success, null, null); | |
249 | } |
|
369 | } | |
250 |
|
370 | |||
251 | public static IPromise<T> Chain<T>(this IPromise that, Func<IPromise<T>> success, Func<Exception, IPromise<T>> error, Func<Exception, IPromise<T>> cancel) { |
|
371 | public static IPromise<T> Chain<T>(this IPromise that, Func<IPromise<T>> success, Func<Exception, IPromise<T>> error, Func<Exception, IPromise<T>> cancel) { | |
252 | Safe.ArgumentNotNull(that, "that"); |
|
372 | Safe.ArgumentNotNull(that, "that"); | |
253 |
|
373 | |||
254 | var d = new FuncChainTask<T>(success, error, cancel, false); |
|
374 | var d = new FuncChainTask<T>(success, error, cancel, false); | |
255 | that.On(d.Resolve, d.Reject, d.CancelOperation); |
|
375 | that.On(d.Resolve, d.Reject, d.CancelOperation); | |
256 | if (success != null) |
|
376 | if (success != null) | |
257 | d.CancellationRequested(that.Cancel); |
|
377 | d.CancellationRequested(that.Cancel); | |
258 | return d; |
|
378 | return d; | |
259 | } |
|
379 | } | |
260 |
|
380 | |||
261 | public static IPromise<T> Chain<T>(this IPromise that, Func<IPromise<T>> success, Func<Exception, IPromise<T>> error) { |
|
381 | public static IPromise<T> Chain<T>(this IPromise that, Func<IPromise<T>> success, Func<Exception, IPromise<T>> error) { | |
262 | return Chain(that, success, error, null); |
|
382 | return Chain(that, success, error, null); | |
263 | } |
|
383 | } | |
264 |
|
384 | |||
265 | public static IPromise<T> Chain<T>(this IPromise that, Func<IPromise<T>> success) { |
|
385 | public static IPromise<T> Chain<T>(this IPromise that, Func<IPromise<T>> success) { | |
266 | return Chain(that, success, null, null); |
|
386 | return Chain(that, success, null, null); | |
267 | } |
|
387 | } | |
268 |
|
388 | |||
269 | public static IPromise<T2> Chain<T, T2>(this IPromise<T> that, Func<T, IPromise<T2>> success, Func<Exception, IPromise<T2>> error, Func<Exception, IPromise<T2>> cancel) { |
|
389 | public static IPromise<T2> Chain<T, T2>(this IPromise<T> that, Func<T, IPromise<T2>> success, Func<Exception, IPromise<T2>> error, Func<Exception, IPromise<T2>> cancel) { | |
270 | Safe.ArgumentNotNull(that, "that"); |
|
390 | Safe.ArgumentNotNull(that, "that"); | |
271 | var d = new FuncChainTask<T,T2>(success, error, cancel, false); |
|
391 | var d = new FuncChainTask<T, T2>(success, error, cancel, false); | |
272 | that.On(d.Resolve, d.Reject, d.CancelOperation); |
|
392 | that.On(d.Resolve, d.Reject, d.CancelOperation); | |
273 | if (success != null) |
|
393 | if (success != null) | |
274 | d.CancellationRequested(that.Cancel); |
|
394 | d.CancellationRequested(that.Cancel); | |
275 | return d; |
|
395 | return d; | |
276 | } |
|
396 | } | |
277 |
|
397 | |||
278 | public static IPromise<T2> Chain<T, T2>(this IPromise<T> that, Func<T, IPromise<T2>> success, Func<Exception, IPromise<T2>> error) { |
|
398 | public static IPromise<T2> Chain<T, T2>(this IPromise<T> that, Func<T, IPromise<T2>> success, Func<Exception, IPromise<T2>> error) { | |
279 | return Chain(that, success, error, null); |
|
399 | return Chain(that, success, error, null); | |
280 | } |
|
400 | } | |
281 |
|
401 | |||
282 | public static IPromise<T2> Chain<T, T2>(this IPromise<T> that, Func<T, IPromise<T2>> success) { |
|
402 | public static IPromise<T2> Chain<T, T2>(this IPromise<T> that, Func<T, IPromise<T2>> success) { | |
283 | return Chain(that, success, null, null); |
|
403 | return Chain(that, success, null, null); | |
284 | } |
|
404 | } | |
285 |
|
405 | |||
286 | #endregion |
|
406 | #endregion | |
287 |
|
407 | |||
288 |
|
408 | |||
289 |
|
|
409 | #if NET_4_5 | |
290 |
|
410 | |||
291 | public static PromiseAwaiter<T> GetAwaiter<T>(this IPromise<T> that) { |
|
411 | public static PromiseAwaiter<T> GetAwaiter<T>(this IPromise<T> that) { | |
292 | Safe.ArgumentNotNull(that, "that"); |
|
412 | Safe.ArgumentNotNull(that, "that"); | |
293 |
|
413 | |||
294 | return new PromiseAwaiter<T>(that); |
|
414 | return new PromiseAwaiter<T>(that); | |
295 | } |
|
415 | } | |
296 |
|
416 | |||
297 |
|
|
417 | #endif | |
298 | } |
|
418 | } | |
299 | } |
|
419 | } | |
300 |
|
420 |
@@ -1,114 +1,131 | |||||
1 | using System; |
|
1 | using System; | |
2 | using System.Collections.Generic; |
|
2 | using System.Collections.Generic; | |
3 | using System.Linq; |
|
3 | 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 | { | |
10 | public static class Safe |
|
11 | public static class Safe | |
11 | { |
|
12 | { | |
12 | public static void ArgumentAssert(bool condition, string paramName) { |
|
13 | public static void ArgumentAssert(bool condition, string paramName) { | |
13 | if (!condition) |
|
14 | if (!condition) | |
14 | throw new ArgumentException("The parameter is invalid", paramName); |
|
15 | throw new ArgumentException("The parameter is invalid", paramName); | |
15 | } |
|
16 | } | |
16 |
|
17 | |||
17 | public static void ArgumentMatch(string value, string paramName, Regex rx) { |
|
18 | public static void ArgumentMatch(string value, string paramName, Regex rx) { | |
18 | if (rx == null) |
|
19 | if (rx == null) | |
19 | throw new ArgumentNullException("rx"); |
|
20 | throw new ArgumentNullException("rx"); | |
20 | if (!rx.IsMatch(value)) |
|
21 | if (!rx.IsMatch(value)) | |
21 | throw new ArgumentException(String.Format("The prameter value must match {0}", rx), paramName); |
|
22 | throw new ArgumentException(String.Format("The prameter value must match {0}", rx), paramName); | |
22 | } |
|
23 | } | |
23 |
|
24 | |||
24 | public static void ArgumentNotEmpty(string value, string paramName) { |
|
25 | public static void ArgumentNotEmpty(string value, string paramName) { | |
25 | if (String.IsNullOrEmpty(value)) |
|
26 | if (String.IsNullOrEmpty(value)) | |
26 | throw new ArgumentException("The parameter can't be empty", paramName); |
|
27 | throw new ArgumentException("The parameter can't be empty", paramName); | |
27 | } |
|
28 | } | |
28 |
|
29 | |||
29 | public static void ArgumentNotEmpty<T>(T[] value, string paramName) { |
|
30 | public static void ArgumentNotEmpty<T>(T[] value, string paramName) { | |
30 | if (value == null || value.Length == 0) |
|
31 | if (value == null || value.Length == 0) | |
31 | throw new ArgumentException("The array must be not emty", paramName); |
|
32 | throw new ArgumentException("The array must be not emty", paramName); | |
32 | } |
|
33 | } | |
33 |
|
34 | |||
34 | public static void ArgumentNotNull(object value, string paramName) { |
|
35 | public static void ArgumentNotNull(object value, string paramName) { | |
35 | if (value == null) |
|
36 | if (value == null) | |
36 | throw new ArgumentNullException(paramName); |
|
37 | throw new ArgumentNullException(paramName); | |
37 | } |
|
38 | } | |
38 |
|
39 | |||
39 | public static void ArgumentInRange(int value, int min, int max, string paramName) { |
|
40 | public static void ArgumentInRange(int value, int min, int max, string paramName) { | |
40 | if (value < min || value > max) |
|
41 | if (value < min || value > max) | |
41 | throw new ArgumentOutOfRangeException(paramName); |
|
42 | throw new ArgumentOutOfRangeException(paramName); | |
42 | } |
|
43 | } | |
43 |
|
44 | |||
44 | public static void ArgumentOfType(object value, Type type, string paramName) { |
|
45 | public static void ArgumentOfType(object value, Type type, string paramName) { | |
45 | if (!type.IsInstanceOfType(value)) |
|
46 | if (!type.IsInstanceOfType(value)) | |
46 | throw new ArgumentException(String.Format("The parameter must be of type {0}", type), paramName); |
|
47 | throw new ArgumentException(String.Format("The parameter must be of type {0}", type), paramName); | |
47 | } |
|
48 | } | |
48 |
|
49 | |||
49 | public static void Dispose(params IDisposable[] objects) { |
|
50 | public static void Dispose(params IDisposable[] objects) { | |
50 | foreach (var d in objects) |
|
51 | foreach (var d in objects) | |
51 | if (d != null) |
|
52 | if (d != null) | |
52 | d.Dispose(); |
|
53 | d.Dispose(); | |
53 | } |
|
54 | } | |
54 |
|
55 | |||
55 | public static void Dispose(params object[] objects) { |
|
56 | public static void Dispose(params object[] objects) { | |
56 | foreach (var obj in objects) { |
|
57 | foreach (var obj in objects) { | |
57 | var d = obj as IDisposable; |
|
58 | var d = obj as IDisposable; | |
58 | if (d != null) |
|
59 | if (d != null) | |
59 | d.Dispose(); |
|
60 | d.Dispose(); | |
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"); | |
72 |
|
89 | |||
73 | try { |
|
90 | try { | |
74 | return Promise<T>.FromResult(action()); |
|
91 | return Promise<T>.FromResult(action()); | |
75 | } catch (Exception err) { |
|
92 | } catch (Exception err) { | |
76 | return Promise<T>.FromException(err); |
|
93 | return Promise<T>.FromException(err); | |
77 | } |
|
94 | } | |
78 | } |
|
95 | } | |
79 |
|
96 | |||
80 | [DebuggerStepThrough] |
|
97 | [DebuggerStepThrough] | |
81 | public static IPromise Run(Action action) { |
|
98 | public static IPromise Run(Action action) { | |
82 | ArgumentNotNull(action, "action"); |
|
99 | ArgumentNotNull(action, "action"); | |
83 |
|
100 | |||
84 | try { |
|
101 | try { | |
85 | action(); |
|
102 | action(); | |
86 | return Promise.Success; |
|
103 | return Promise.Success; | |
87 | } catch (Exception err) { |
|
104 | } catch (Exception err) { | |
88 | return new FailedPromise(err); |
|
105 | return new FailedPromise(err); | |
89 | } |
|
106 | } | |
90 | } |
|
107 | } | |
91 |
|
108 | |||
92 | [DebuggerStepThrough] |
|
109 | [DebuggerStepThrough] | |
93 | public static IPromise Run(Func<IPromise> action) { |
|
110 | public static IPromise Run(Func<IPromise> action) { | |
94 | ArgumentNotNull(action, "action"); |
|
111 | ArgumentNotNull(action, "action"); | |
95 |
|
112 | |||
96 | try { |
|
113 | try { | |
97 | return action() ?? new FailedPromise(new Exception("The action returned null")); |
|
114 | return action() ?? new FailedPromise(new Exception("The action returned null")); | |
98 | } catch (Exception err) { |
|
115 | } catch (Exception err) { | |
99 | return new FailedPromise(err); |
|
116 | return new FailedPromise(err); | |
100 | } |
|
117 | } | |
101 | } |
|
118 | } | |
102 |
|
119 | |||
103 | [DebuggerStepThrough] |
|
120 | [DebuggerStepThrough] | |
104 | public static IPromise<T> Run<T>(Func<IPromise<T>> action) { |
|
121 | public static IPromise<T> Run<T>(Func<IPromise<T>> action) { | |
105 | ArgumentNotNull(action, "action"); |
|
122 | ArgumentNotNull(action, "action"); | |
106 |
|
123 | |||
107 | try { |
|
124 | try { | |
108 | return action() ?? Promise<T>.FromException(new Exception("The action returned null")); |
|
125 | return action() ?? Promise<T>.FromException(new Exception("The action returned null")); | |
109 | } catch (Exception err) { |
|
126 | } catch (Exception err) { | |
110 | return Promise<T>.FromException(err); |
|
127 | return Promise<T>.FromException(err); | |
111 | } |
|
128 | } | |
112 | } |
|
129 | } | |
113 | } |
|
130 | } | |
114 | } |
|
131 | } |
General Comments 3
ok, latest stable version should be in default
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