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comparison Implab/PromiseActionReaction`1.cs @ 248:5cb4826c2c2a v3

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Added awaiters to promises Added static methods to Promise Resolve, Reject, All. Updated promise helpers
author cin
date Tue, 30 Jan 2018 01:37:17 +0300
parents fb70574741a1
children d82909310094
comparison
equal deleted inserted replaced
247:fb70574741a1 248:5cb4826c2c2a
1 using System; 1 using System;
2 using System.Diagnostics; 2 using System.Diagnostics;
3 3
4 namespace Implab { 4 namespace Implab {
5 class PromiseActionReaction<T> : PromiseReaction<T> { 5 class PromiseActionReaction<T> : PromiseReaction<T> {
6 readonly Action<T> m_fulfilled;
7
8 readonly Action<Exception> m_rejected;
9
10 readonly Deferred m_next; 6 readonly Deferred m_next;
11 7
12 public PromiseActionReaction(Action<T> fulfilled, Action<Exception> rejected, Deferred next, IDispatcher dispatcher) : base(dispatcher) { 8 public IPromise Promise {
9 get { return m_next.Promise; }
10 }
11
12 public PromiseActionReaction(Action<T> fulfilled, Action<Exception> rejected, IDispatcher dispatcher) : base(dispatcher) {
13 m_next = new Deferred(dispatcher);
13 if (fulfilled != null) 14 if (fulfilled != null)
14 m_fulfilled = (x) => { 15 FulfilHandler = PromiseHandler.Create(fulfilled, m_next);
15 fulfilled(x);
16 next.Resolve();
17 };
18 16
19 if (rejected != null) 17 if (rejected != null)
20 m_rejected = (x) => { 18 RejectHandler = PromiseHandler.Create(rejected, m_next);
21 rejected(x);
22 next.Resolve();
23 };
24 m_next = next;
25 } 19 }
26 20
27 public PromiseActionReaction(Func<T, IPromise> fulfilled, Func<Exception, IPromise> rejected, Deferred next, IDispatcher dispatcher) : base(dispatcher) { 21 public PromiseActionReaction(Func<T, IPromise> fulfilled, Func<Exception, IPromise> rejected, IDispatcher dispatcher) : base(dispatcher) {
22 m_next = new Deferred(dispatcher);
28 if (fulfilled != null) 23 if (fulfilled != null)
29 m_fulfilled = (x) => { next.Resolve(fulfilled(x)); }; 24 FulfilHandler = PromiseHandler.Create(fulfilled, m_next);
25
30 if (rejected != null) 26 if (rejected != null)
31 m_rejected = (e) => { next.Resolve(rejected(e)); }; 27 RejectHandler = PromiseHandler.Create(rejected, m_next);
32 m_next = next;
33 } 28 }
34 29
35 public PromiseActionReaction(Action<T> fulfilled, Func<Exception, IPromise> rejected, Deferred next, IDispatcher dispatcher) : base(dispatcher) { 30 public PromiseActionReaction(Action<T> fulfilled, Func<Exception, IPromise> rejected, IDispatcher dispatcher) : base(dispatcher) {
31 m_next = new Deferred(dispatcher);
36 if (fulfilled != null) 32 if (fulfilled != null)
37 m_fulfilled = (x) => { 33 FulfilHandler = PromiseHandler.Create(fulfilled, m_next);
38 fulfilled(x);
39 next.Resolve();
40 };
41 34
42 if (rejected != null) 35 if (rejected != null)
43 m_rejected = (e) => { next.Resolve(rejected(e)); }; 36 RejectHandler = PromiseHandler.Create(rejected, m_next);
44 m_next = next;
45 } 37 }
46 38
47 public PromiseActionReaction(Func<T, IPromise> fulfilled, Action<Exception> rejected, Deferred next, IDispatcher dispatcher) : base(dispatcher) { 39 public PromiseActionReaction(Func<T, IPromise> fulfilled, Action<Exception> rejected, IDispatcher dispatcher) : base(dispatcher) {
40 m_next = new Deferred(dispatcher);
48 if (fulfilled != null) 41 if (fulfilled != null)
49 m_fulfilled = (x) => { next.Resolve(fulfilled(x)); }; 42 FulfilHandler = PromiseHandler.Create(fulfilled, m_next);
50 43
51 if (rejected != null) 44 if (rejected != null)
52 m_rejected = (x) => { 45 RejectHandler = PromiseHandler.Create(rejected, m_next);
53 rejected(x);
54 next.Resolve();
55 };
56 m_next = next;
57 } 46 }
58
59 protected override bool HasFulfilHandler => m_fulfilled != null;
60
61 protected override bool HasRejectHandler => m_rejected != null;
62 47
63 protected override void DefaultReject(Exception reason) { 48 protected override void DefaultReject(Exception reason) {
64 m_next.Reject(reason); 49 m_next.Reject(reason);
65 } 50 }
66 51
67 protected override void DefaultResolve(T result) { 52 protected override void DefaultResolve(T result) {
68 m_next.Resolve(); 53 m_next.Resolve();
69 } 54 }
70
71 protected override void RejectImpl(Exception reason) {
72 try {
73 m_rejected(reason);
74 } catch (Exception e) {
75 m_next.Reject(e);
76 }
77 }
78
79 protected override void ResolveImpl(T result) {
80 try {
81 m_fulfilled(result);
82 } catch (Exception e) {
83 m_next.Reject(e);
84 }
85 }
86 } 55 }
87 } 56 }