@@ -0,0 +1,19 | |||||
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1 | using System; | |||
|
2 | using System.Collections.Generic; | |||
|
3 | using System.Linq; | |||
|
4 | using System.Text; | |||
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5 | ||||
|
6 | namespace Implab { | |||
|
7 | public interface IPromiseBase: ICancellable { | |||
|
8 | /// <summary> | |||
|
9 | /// Check whereather the promise has no more than one dependent promise. | |||
|
10 | /// </summary> | |||
|
11 | bool IsExclusive { | |||
|
12 | get; | |||
|
13 | } | |||
|
14 | ||||
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15 | bool IsResolved { get; } | |||
|
16 | ||||
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17 | bool IsCancelled { get; } | |||
|
18 | } | |||
|
19 | } |
@@ -1,20 +1,16 | |||||
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 |
|
5 | |||
6 | namespace Implab |
|
6 | namespace Implab | |
7 | { |
|
7 | { | |
8 |
public interface IPromise: I |
|
8 | public interface IPromise<T>: IPromiseBase | |
9 | { |
|
9 | { | |
10 | /// <summary> |
|
10 | ||
11 | /// Check whereather the promise has no more than one dependent promise. |
|
11 | ||
12 | /// </summary> |
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12 | ||
13 | bool IsExclusive |
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|||
14 | { |
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|||
15 | get; |
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|||
16 | } |
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|||
17 |
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13 | |||
18 |
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14 | |||
19 | } |
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15 | } | |
20 | } |
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16 | } |
@@ -1,12 +1,14 | |||||
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 |
|
5 | |||
6 | namespace Implab { |
|
6 | namespace Implab { | |
7 | public interface ITaskController: IProgressHandler { |
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7 | public interface ITaskController: IProgressHandler, ICancellable { | |
8 | bool Cancelled { |
|
8 | bool IsCancelled { | |
9 | get; |
|
9 | get; | |
10 | } |
|
10 | } | |
|
11 | ||||
|
12 | event EventHandler Cancelled; | |||
11 | } |
|
13 | } | |
12 | } |
|
14 | } |
@@ -1,56 +1,57 | |||||
1 | ο»Ώ<?xml version="1.0" encoding="utf-8"?> |
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1 | ο»Ώ<?xml version="1.0" encoding="utf-8"?> | |
2 | <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> |
|
2 | <Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> | |
3 | <PropertyGroup> |
|
3 | <PropertyGroup> | |
4 | <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> |
|
4 | <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> | |
5 | <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> |
|
5 | <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> | |
6 | <ProductVersion>10.0.0</ProductVersion> |
|
6 | <ProductVersion>10.0.0</ProductVersion> | |
7 | <SchemaVersion>2.0</SchemaVersion> |
|
7 | <SchemaVersion>2.0</SchemaVersion> | |
8 | <ProjectGuid>{F550F1F8-8746-4AD0-9614-855F4C4B7F05}</ProjectGuid> |
|
8 | <ProjectGuid>{F550F1F8-8746-4AD0-9614-855F4C4B7F05}</ProjectGuid> | |
9 | <OutputType>Library</OutputType> |
|
9 | <OutputType>Library</OutputType> | |
10 | <RootNamespace>Implab</RootNamespace> |
|
10 | <RootNamespace>Implab</RootNamespace> | |
11 | <AssemblyName>Implab</AssemblyName> |
|
11 | <AssemblyName>Implab</AssemblyName> | |
12 | </PropertyGroup> |
|
12 | </PropertyGroup> | |
13 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> |
|
13 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> | |
14 | <DebugSymbols>true</DebugSymbols> |
|
14 | <DebugSymbols>true</DebugSymbols> | |
15 | <DebugType>full</DebugType> |
|
15 | <DebugType>full</DebugType> | |
16 | <Optimize>false</Optimize> |
|
16 | <Optimize>false</Optimize> | |
17 | <OutputPath>bin\Debug</OutputPath> |
|
17 | <OutputPath>bin\Debug</OutputPath> | |
18 | <DefineConstants>DEBUG;</DefineConstants> |
|
18 | <DefineConstants>DEBUG;</DefineConstants> | |
19 | <ErrorReport>prompt</ErrorReport> |
|
19 | <ErrorReport>prompt</ErrorReport> | |
20 | <WarningLevel>4</WarningLevel> |
|
20 | <WarningLevel>4</WarningLevel> | |
21 | <ConsolePause>false</ConsolePause> |
|
21 | <ConsolePause>false</ConsolePause> | |
22 | </PropertyGroup> |
|
22 | </PropertyGroup> | |
23 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> |
|
23 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> | |
24 | <DebugType>full</DebugType> |
|
24 | <DebugType>full</DebugType> | |
25 | <Optimize>true</Optimize> |
|
25 | <Optimize>true</Optimize> | |
26 | <OutputPath>bin\Release</OutputPath> |
|
26 | <OutputPath>bin\Release</OutputPath> | |
27 | <ErrorReport>prompt</ErrorReport> |
|
27 | <ErrorReport>prompt</ErrorReport> | |
28 | <WarningLevel>4</WarningLevel> |
|
28 | <WarningLevel>4</WarningLevel> | |
29 | <ConsolePause>false</ConsolePause> |
|
29 | <ConsolePause>false</ConsolePause> | |
30 | </PropertyGroup> |
|
30 | </PropertyGroup> | |
31 | <ItemGroup> |
|
31 | <ItemGroup> | |
32 | <Reference Include="System" /> |
|
32 | <Reference Include="System" /> | |
33 | </ItemGroup> |
|
33 | </ItemGroup> | |
34 | <ItemGroup> |
|
34 | <ItemGroup> | |
35 | <Compile Include="ICancellable.cs" /> |
|
35 | <Compile Include="ICancellable.cs" /> | |
36 | <Compile Include="IProgressHandler.cs" /> |
|
36 | <Compile Include="IProgressHandler.cs" /> | |
37 | <Compile Include="IProgressNotifier.cs" /> |
|
37 | <Compile Include="IProgressNotifier.cs" /> | |
38 | <Compile Include="IPromise.cs" /> |
|
38 | <Compile Include="IPromise.cs" /> | |
|
39 | <Compile Include="IPromiseBase.cs" /> | |||
39 | <Compile Include="ITaskController.cs" /> |
|
40 | <Compile Include="ITaskController.cs" /> | |
40 | <Compile Include="ManagedPromise.cs" /> |
|
41 | <Compile Include="ManagedPromise.cs" /> | |
41 | <Compile Include="Parallels\DispatchPool.cs" /> |
|
42 | <Compile Include="Parallels\DispatchPool.cs" /> | |
42 | <Compile Include="Parallels\ArrayTraits.cs" /> |
|
43 | <Compile Include="Parallels\ArrayTraits.cs" /> | |
43 | <Compile Include="Parallels\MTQueue.cs" /> |
|
44 | <Compile Include="Parallels\MTQueue.cs" /> | |
44 | <Compile Include="Parallels\WorkerPool.cs" /> |
|
45 | <Compile Include="Parallels\WorkerPool.cs" /> | |
45 | <Compile Include="PromiseState.cs" /> |
|
46 | <Compile Include="PromiseState.cs" /> | |
46 | <Compile Include="TaskController.cs" /> |
|
47 | <Compile Include="TaskController.cs" /> | |
47 | <Compile Include="ProgressInitEventArgs.cs" /> |
|
48 | <Compile Include="ProgressInitEventArgs.cs" /> | |
48 | <Compile Include="Properties\AssemblyInfo.cs" /> |
|
49 | <Compile Include="Properties\AssemblyInfo.cs" /> | |
49 | <Compile Include="Promise.cs" /> |
|
50 | <Compile Include="Promise.cs" /> | |
50 | <Compile Include="Parallels\AsyncPool.cs" /> |
|
51 | <Compile Include="Parallels\AsyncPool.cs" /> | |
51 | <Compile Include="Safe.cs" /> |
|
52 | <Compile Include="Safe.cs" /> | |
52 | <Compile Include="ValueEventArgs.cs" /> |
|
53 | <Compile Include="ValueEventArgs.cs" /> | |
53 | </ItemGroup> |
|
54 | </ItemGroup> | |
54 | <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" /> |
|
55 | <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" /> | |
55 | <ItemGroup /> |
|
56 | <ItemGroup /> | |
56 | </Project> No newline at end of file |
|
57 | </Project> |
@@ -1,212 +1,172 | |||||
1 | using System; |
|
1 | using System; | |
2 | using System.Collections.Generic; |
|
2 | using System.Collections.Generic; | |
3 | using System.Diagnostics; |
|
3 | using System.Diagnostics; | |
4 | using System.Linq; |
|
4 | using System.Linq; | |
5 | using System.Text; |
|
5 | using System.Text; | |
6 | using System.Threading; |
|
6 | using System.Threading; | |
7 |
|
7 | |||
8 | namespace Implab.Parallels { |
|
8 | namespace Implab.Parallels { | |
9 | public static class ArrayTraits { |
|
9 | public static class ArrayTraits { | |
10 | class ArrayIterator<TSrc> : DispatchPool<int> { |
|
10 | class ArrayIterator<TSrc> : DispatchPool<int> { | |
11 | readonly Action<TSrc> m_action; |
|
11 | readonly Action<TSrc> m_action; | |
12 | readonly TSrc[] m_source; |
|
12 | readonly TSrc[] m_source; | |
13 | readonly Promise<int> m_promise = new Promise<int>(); |
|
13 | readonly Promise<int> m_promise = new Promise<int>(); | |
14 |
|
14 | |||
15 | int m_pending; |
|
15 | int m_pending; | |
16 | int m_next; |
|
16 | int m_next; | |
17 |
|
17 | |||
18 | public ArrayIterator(TSrc[] source, Action<TSrc> action, int threads) |
|
18 | public ArrayIterator(TSrc[] source, Action<TSrc> action, int threads) | |
19 | : base(threads) { |
|
19 | : base(threads) { | |
20 |
|
20 | |||
21 | Debug.Assert(source != null); |
|
21 | Debug.Assert(source != null); | |
22 | Debug.Assert(action != null); |
|
22 | Debug.Assert(action != null); | |
23 |
|
23 | |||
24 | m_next = 0; |
|
24 | m_next = 0; | |
25 | m_source = source; |
|
25 | m_source = source; | |
26 | m_pending = source.Length; |
|
26 | m_pending = source.Length; | |
27 | m_action = action; |
|
27 | m_action = action; | |
28 |
|
28 | |||
29 | m_promise.Anyway(() => Dispose()); |
|
29 | m_promise.Anyway(() => Dispose()); | |
30 | m_promise.Cancelled(() => Dispose()); |
|
30 | m_promise.Cancelled(() => Dispose()); | |
31 |
|
31 | |||
32 | InitPool(); |
|
32 | InitPool(); | |
33 | } |
|
33 | } | |
34 |
|
34 | |||
35 | public Promise<int> Promise { |
|
35 | public Promise<int> Promise { | |
36 | get { |
|
36 | get { | |
37 | return m_promise; |
|
37 | return m_promise; | |
38 | } |
|
38 | } | |
39 | } |
|
39 | } | |
40 |
|
40 | |||
41 | protected override bool TryDequeue(out int unit) { |
|
41 | protected override bool TryDequeue(out int unit) { | |
42 | unit = Interlocked.Increment(ref m_next) - 1; |
|
42 | unit = Interlocked.Increment(ref m_next) - 1; | |
43 | return unit >= m_source.Length ? false : true; |
|
43 | return unit >= m_source.Length ? false : true; | |
44 | } |
|
44 | } | |
45 |
|
45 | |||
46 | protected override void InvokeUnit(int unit) { |
|
46 | protected override void InvokeUnit(int unit) { | |
47 | try { |
|
47 | try { | |
48 | m_action(m_source[unit]); |
|
48 | m_action(m_source[unit]); | |
49 | var pending = Interlocked.Decrement(ref m_pending); |
|
49 | var pending = Interlocked.Decrement(ref m_pending); | |
50 | if (pending == 0) |
|
50 | if (pending == 0) | |
51 | m_promise.Resolve(m_source.Length); |
|
51 | m_promise.Resolve(m_source.Length); | |
52 | } catch (Exception e) { |
|
52 | } catch (Exception e) { | |
53 | m_promise.Reject(e); |
|
53 | m_promise.Reject(e); | |
54 | } |
|
54 | } | |
55 | } |
|
55 | } | |
56 | } |
|
56 | } | |
57 |
|
57 | |||
58 | class ArrayMapper<TSrc, TDst>: DispatchPool<int> { |
|
58 | class ArrayMapper<TSrc, TDst>: DispatchPool<int> { | |
59 | readonly Func<TSrc, TDst> m_transform; |
|
59 | readonly Func<TSrc, TDst> m_transform; | |
60 | readonly TSrc[] m_source; |
|
60 | readonly TSrc[] m_source; | |
61 | readonly TDst[] m_dest; |
|
61 | readonly TDst[] m_dest; | |
62 | readonly Promise<TDst[]> m_promise = new Promise<TDst[]>(); |
|
62 | readonly Promise<TDst[]> m_promise = new Promise<TDst[]>(); | |
63 |
|
63 | |||
64 | int m_pending; |
|
64 | int m_pending; | |
65 | int m_next; |
|
65 | int m_next; | |
66 |
|
66 | |||
67 | public ArrayMapper(TSrc[] source, Func<TSrc, TDst> transform, int threads) |
|
67 | public ArrayMapper(TSrc[] source, Func<TSrc, TDst> transform, int threads) | |
68 | : base(threads) { |
|
68 | : base(threads) { | |
69 |
|
69 | |||
70 | Debug.Assert (source != null); |
|
70 | Debug.Assert (source != null); | |
71 | Debug.Assert( transform != null); |
|
71 | Debug.Assert( transform != null); | |
72 |
|
72 | |||
73 | m_next = 0; |
|
73 | m_next = 0; | |
74 | m_source = source; |
|
74 | m_source = source; | |
75 | m_dest = new TDst[source.Length]; |
|
75 | m_dest = new TDst[source.Length]; | |
76 | m_pending = source.Length; |
|
76 | m_pending = source.Length; | |
77 | m_transform = transform; |
|
77 | m_transform = transform; | |
78 |
|
78 | |||
79 | m_promise.Anyway(() => Dispose()); |
|
79 | m_promise.Anyway(() => Dispose()); | |
80 | m_promise.Cancelled(() => Dispose()); |
|
80 | m_promise.Cancelled(() => Dispose()); | |
81 |
|
81 | |||
82 | InitPool(); |
|
82 | InitPool(); | |
83 | } |
|
83 | } | |
84 |
|
84 | |||
85 | public Promise<TDst[]> Promise { |
|
85 | public Promise<TDst[]> Promise { | |
86 | get { |
|
86 | get { | |
87 | return m_promise; |
|
87 | return m_promise; | |
88 | } |
|
88 | } | |
89 | } |
|
89 | } | |
90 |
|
90 | |||
91 | protected override bool TryDequeue(out int unit) { |
|
91 | protected override bool TryDequeue(out int unit) { | |
92 | unit = Interlocked.Increment(ref m_next) - 1; |
|
92 | unit = Interlocked.Increment(ref m_next) - 1; | |
93 | return unit >= m_source.Length ? false : true; |
|
93 | return unit >= m_source.Length ? false : true; | |
94 | } |
|
94 | } | |
95 |
|
95 | |||
96 | protected override void InvokeUnit(int unit) { |
|
96 | protected override void InvokeUnit(int unit) { | |
97 | try { |
|
97 | try { | |
98 | m_dest[unit] = m_transform(m_source[unit]); |
|
98 | m_dest[unit] = m_transform(m_source[unit]); | |
99 | var pending = Interlocked.Decrement(ref m_pending); |
|
99 | var pending = Interlocked.Decrement(ref m_pending); | |
100 | if (pending == 0) |
|
100 | if (pending == 0) | |
101 | m_promise.Resolve(m_dest); |
|
101 | m_promise.Resolve(m_dest); | |
102 | } catch (Exception e) { |
|
102 | } catch (Exception e) { | |
103 | m_promise.Reject(e); |
|
103 | m_promise.Reject(e); | |
104 | } |
|
104 | } | |
105 | } |
|
105 | } | |
106 | } |
|
106 | } | |
107 |
|
107 | |||
108 | public static Promise<TDst[]> ParallelMap<TSrc, TDst> (this TSrc[] source, Func<TSrc,TDst> transform, int threads) { |
|
108 | public static Promise<TDst[]> ParallelMap<TSrc, TDst> (this TSrc[] source, Func<TSrc,TDst> transform, int threads) { | |
109 | if (source == null) |
|
109 | if (source == null) | |
110 | throw new ArgumentNullException("source"); |
|
110 | throw new ArgumentNullException("source"); | |
111 | if (transform == null) |
|
111 | if (transform == null) | |
112 | throw new ArgumentNullException("transform"); |
|
112 | throw new ArgumentNullException("transform"); | |
113 |
|
113 | |||
114 | var mapper = new ArrayMapper<TSrc, TDst>(source, transform, threads); |
|
114 | var mapper = new ArrayMapper<TSrc, TDst>(source, transform, threads); | |
115 | return mapper.Promise; |
|
115 | return mapper.Promise; | |
116 | } |
|
116 | } | |
117 |
|
117 | |||
118 | public static Promise<int> ParallelForEach<TSrc>(this TSrc[] source, Action<TSrc> action, int threads) { |
|
118 | public static Promise<int> ParallelForEach<TSrc>(this TSrc[] source, Action<TSrc> action, int threads) { | |
119 | if (source == null) |
|
119 | if (source == null) | |
120 | throw new ArgumentNullException("source"); |
|
120 | throw new ArgumentNullException("source"); | |
121 | if (action == null) |
|
121 | if (action == null) | |
122 | throw new ArgumentNullException("action"); |
|
122 | throw new ArgumentNullException("action"); | |
123 |
|
123 | |||
124 | var iter = new ArrayIterator<TSrc>(source, action, threads); |
|
124 | var iter = new ArrayIterator<TSrc>(source, action, threads); | |
125 | return iter.Promise; |
|
125 | return iter.Promise; | |
126 | } |
|
126 | } | |
127 |
|
127 | |||
128 | public static Promise<TDst[]> ChainedMap<TSrc, TDst>(this TSrc[] source, ChainedOperation<TSrc, TDst> transform, int threads) { |
|
128 | public static Promise<TDst[]> ChainedMap<TSrc, TDst>(this TSrc[] source, ChainedOperation<TSrc, TDst> transform, int threads) { | |
129 | if (source == null) |
|
129 | if (source == null) | |
130 | throw new ArgumentNullException("source"); |
|
130 | throw new ArgumentNullException("source"); | |
131 | if (transform == null) |
|
131 | if (transform == null) | |
132 | throw new ArgumentNullException("transform"); |
|
132 | throw new ArgumentNullException("transform"); | |
133 | if (threads <= 0) |
|
133 | if (threads <= 0) | |
134 | throw new ArgumentOutOfRangeException("Threads number must be greater then zero"); |
|
134 | throw new ArgumentOutOfRangeException("Threads number must be greater then zero"); | |
135 |
|
135 | |||
136 | var promise = new Promise<TDst[]>(); |
|
136 | var promise = new Promise<TDst[]>(); | |
137 | var res = new TDst[source.Length]; |
|
137 | var res = new TDst[source.Length]; | |
138 | var pending = source.Length; |
|
138 | var pending = source.Length; | |
139 | var semaphore = new Semaphore(threads, threads); |
|
139 | var semaphore = new Semaphore(threads, threads); | |
140 |
|
140 | |||
141 | AsyncPool.InvokeNewThread(() => { |
|
141 | AsyncPool.InvokeNewThread(() => { | |
142 | for (int i = 0; i < source.Length; i++) { |
|
142 | for (int i = 0; i < source.Length; i++) { | |
143 | if(promise.IsResolved) |
|
143 | if(promise.IsResolved) | |
144 | break; // stop processing in case of error or cancellation |
|
144 | break; // stop processing in case of error or cancellation | |
145 | var idx = i; |
|
145 | var idx = i; | |
146 | semaphore.WaitOne(); |
|
146 | semaphore.WaitOne(); | |
147 | try { |
|
147 | try { | |
148 | var p1 = transform(source[i]); |
|
148 | var p1 = transform(source[i]); | |
149 | p1.Anyway(() => semaphore.Release()); |
|
149 | p1.Anyway(() => semaphore.Release()); | |
150 | p1.Cancelled(() => semaphore.Release()); |
|
150 | p1.Cancelled(() => semaphore.Release()); | |
151 | p1.Then( |
|
151 | p1.Then( | |
152 | x => { |
|
152 | x => { | |
153 | res[idx] = x; |
|
153 | res[idx] = x; | |
154 | var left = Interlocked.Decrement(ref pending); |
|
154 | var left = Interlocked.Decrement(ref pending); | |
155 | if (left == 0) |
|
155 | if (left == 0) | |
156 | promise.Resolve(res); |
|
156 | promise.Resolve(res); | |
157 | }, |
|
157 | }, | |
158 | e => promise.Reject(e) |
|
158 | e => promise.Reject(e) | |
159 | ); |
|
159 | ); | |
160 |
|
160 | |||
161 | } catch (Exception e) { |
|
161 | } catch (Exception e) { | |
162 | promise.Reject(e); |
|
162 | promise.Reject(e); | |
163 | } |
|
163 | } | |
164 | } |
|
164 | } | |
165 | return 0; |
|
165 | return 0; | |
166 | }); |
|
166 | }); | |
167 |
|
167 | |||
168 | return promise.Anyway(() => semaphore.Dispose()); |
|
168 | return promise.Anyway(() => semaphore.Dispose()); | |
169 | } |
|
169 | } | |
170 |
|
170 | |||
171 | /* |
|
|||
172 | this method is pretty fast, but it may cause a stack overflow if an element transformation is made faster then the next operation is |
|
|||
173 | be chained, in this case the syncronous callback invocation will occur |
|
|||
174 |
|
||||
175 | public static Promise<TDst[]> ChainedMap2<TSrc, TDst>(this TSrc[] source, ChainedOperation<TSrc, TDst> transform, int threads) { |
|
|||
176 | if (source == null) |
|
|||
177 | throw new ArgumentNullException("source"); |
|
|||
178 | if (transform == null) |
|
|||
179 | throw new ArgumentNullException("transform"); |
|
|||
180 | if (threads <= 0) |
|
|||
181 | throw new ArgumentOutOfRangeException("Threads number must be greater then zero"); |
|
|||
182 |
|
||||
183 | var promise = new Promise<TDst[]>(); |
|
|||
184 | var res = new TDst[source.Length]; |
|
|||
185 | var index = -1; // we will start with increment |
|
|||
186 | var len = source.Length; |
|
|||
187 | var pending = len; |
|
|||
188 |
|
||||
189 | Action<int> callback = null; |
|
|||
190 | callback = (current) => { |
|
|||
191 | if (current < len) { |
|
|||
192 | transform(source[current]) |
|
|||
193 | .Then( |
|
|||
194 | x => { |
|
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195 | res[current] = x; |
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196 | if (Interlocked.Decrement(ref pending) == 0) |
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197 | promise.Resolve(res); |
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198 | else |
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199 | callback(Interlocked.Increment(ref index)); |
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200 | }, |
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201 | e => promise.Reject(e) |
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202 | ); |
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203 | } |
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204 | }; |
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205 |
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206 | for (int i = 0; i < threads; i++) |
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207 | callback(Interlocked.Increment(ref index)); |
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208 | return promise; |
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209 | } |
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210 | */ |
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211 | } |
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171 | } | |
212 | } |
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172 | } |
@@ -1,564 +1,646 | |||||
1 | using System; |
|
1 | using System; | |
2 | using System.Collections.Generic; |
|
2 | using System.Collections.Generic; | |
3 | using System.Reflection; |
|
3 | using System.Reflection; | |
4 | using System.Diagnostics; |
|
4 | using System.Diagnostics; | |
5 | using System.Threading; |
|
5 | using System.Threading; | |
6 | using Implab.Parallels; |
|
6 | using Implab.Parallels; | |
7 |
|
7 | |||
8 | namespace Implab { |
|
8 | namespace Implab { | |
9 |
|
9 | |||
10 | public delegate void ErrorHandler(Exception e); |
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10 | public delegate void ErrorHandler(Exception e); | |
11 | public delegate T ErrorHandler<out T>(Exception e); |
|
11 | public delegate T ErrorHandler<out T>(Exception e); | |
12 | public delegate void ResultHandler<in T>(T result); |
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12 | public delegate void ResultHandler<in T>(T result); | |
13 | public delegate TNew ResultMapper<in TSrc, out TNew>(TSrc result); |
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13 | public delegate TNew ResultMapper<in TSrc, out TNew>(TSrc result); | |
14 | public delegate Promise<TNew> ChainedOperation<in TSrc, TNew>(TSrc result); |
|
14 | public delegate Promise<TNew> ChainedOperation<in TSrc, TNew>(TSrc result); | |
15 |
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15 | |||
16 | /// <summary> |
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16 | /// <summary> | |
17 | /// ΠΠ»Π°ΡΡ Π΄Π»Ρ Π°ΡΠΈΠ½Ρ ΡΠΎΠ½Π½ΠΎΠ³ΠΎ ΠΏΠΎΠ»ΡΡΠ΅Π½ΠΈΡ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ². Π’Π°ΠΊ Π½Π°Π·ΡΠ²Π°Π΅ΠΌΠΎΠ΅ "ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅". |
|
17 | /// ΠΠ»Π°ΡΡ Π΄Π»Ρ Π°ΡΠΈΠ½Ρ ΡΠΎΠ½Π½ΠΎΠ³ΠΎ ΠΏΠΎΠ»ΡΡΠ΅Π½ΠΈΡ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ². Π’Π°ΠΊ Π½Π°Π·ΡΠ²Π°Π΅ΠΌΠΎΠ΅ "ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅". | |
18 | /// </summary> |
|
18 | /// </summary> | |
19 | /// <typeparam name="T">Π’ΠΈΠΏ ΠΏΠΎΠ»ΡΡΠ°Π΅ΠΌΠΎΠ³ΠΎ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ°</typeparam> |
|
19 | /// <typeparam name="T">Π’ΠΈΠΏ ΠΏΠΎΠ»ΡΡΠ°Π΅ΠΌΠΎΠ³ΠΎ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ°</typeparam> | |
20 | /// <remarks> |
|
20 | /// <remarks> | |
21 | /// <para>Π‘Π΅ΡΠ²ΠΈΡ ΠΏΡΠΈ ΠΎΠ±ΡΠ°ΡΠ΅Π½ΠΈΠΈ ΠΊ Π΅Π³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Ρ Π΄Π°Π΅Ρ ΠΎΠ±Π΅ΡΠ°ΠΈΠ½ΠΈΠ΅ ΠΎ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ, |
|
21 | /// <para>Π‘Π΅ΡΠ²ΠΈΡ ΠΏΡΠΈ ΠΎΠ±ΡΠ°ΡΠ΅Π½ΠΈΠΈ ΠΊ Π΅Π³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Ρ Π΄Π°Π΅Ρ ΠΎΠ±Π΅ΡΠ°ΠΈΠ½ΠΈΠ΅ ΠΎ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ, | |
22 | /// ΠΊΠ»ΠΈΠ΅Π½Ρ ΠΏΠΎΠ»ΡΡΠΈΠ² ΡΠ°ΠΊΠΎΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ ΠΌΠΎΠΆΠ΅Ρ ΡΡΡΠ°Π½ΠΎΠ²ΠΈΡΡ ΡΡΠ΄ ΠΎΠ±ΡΠ°ΡΠ½ΡΡ Π²ΡΠ·ΠΎΠ²ΠΎ Π΄Π»Ρ ΠΏΠΎΠ»ΡΡΠ΅Π½ΠΈΡ |
|
22 | /// ΠΊΠ»ΠΈΠ΅Π½Ρ ΠΏΠΎΠ»ΡΡΠΈΠ² ΡΠ°ΠΊΠΎΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ ΠΌΠΎΠΆΠ΅Ρ ΡΡΡΠ°Π½ΠΎΠ²ΠΈΡΡ ΡΡΠ΄ ΠΎΠ±ΡΠ°ΡΠ½ΡΡ Π²ΡΠ·ΠΎΠ²ΠΎ Π΄Π»Ρ ΠΏΠΎΠ»ΡΡΠ΅Π½ΠΈΡ | |
23 | /// ΡΠΎΠ±ΡΡΠΈΠΉ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ, ΡΠΎΠ΅ΡΡΡ Π·Π°Π²Π΅ΡΡΠ΅Π½ΠΈΡ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ ΠΈ ΠΏΡΠ΅Π΄ΠΎΡΡΠ°Π²Π»Π΅Π½ΠΈΠΈ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ².</para> |
|
23 | /// ΡΠΎΠ±ΡΡΠΈΠΉ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ, ΡΠΎΠ΅ΡΡΡ Π·Π°Π²Π΅ΡΡΠ΅Π½ΠΈΡ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ ΠΈ ΠΏΡΠ΅Π΄ΠΎΡΡΠ°Π²Π»Π΅Π½ΠΈΠΈ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ².</para> | |
24 | /// <para> |
|
24 | /// <para> | |
25 | /// ΠΠ±Π΅ΡΠ΅Π½ΠΈΠ΅ ΠΌΠΎΠΆΠ΅Ρ Π±ΡΡΡ ΠΊΠ°ΠΊ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ, ΡΠ°ΠΊ ΠΈ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ Ρ ΠΎΡΠΈΠ±ΠΊΠΎΠΉ. ΠΠ»Ρ ΠΏΠΎΠ΄ΠΏΠΈΡΠΊΠΈ Π½Π° |
|
25 | /// ΠΠ±Π΅ΡΠ΅Π½ΠΈΠ΅ ΠΌΠΎΠΆΠ΅Ρ Π±ΡΡΡ ΠΊΠ°ΠΊ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ, ΡΠ°ΠΊ ΠΈ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ Ρ ΠΎΡΠΈΠ±ΠΊΠΎΠΉ. ΠΠ»Ρ ΠΏΠΎΠ΄ΠΏΠΈΡΠΊΠΈ Π½Π° | |
26 | /// Π΄Π°Π½Π½ΡΠ΅ ΡΠΎΠ±ΡΡΠΈΡ ΠΊΠ»ΠΈΠ΅Π½Ρ Π΄ΠΎΠ»ΠΆΠ΅Π½ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°ΡΡ ΠΌΠ΅ΡΠΎΠ΄Ρ <c>Then</c>. |
|
26 | /// Π΄Π°Π½Π½ΡΠ΅ ΡΠΎΠ±ΡΡΠΈΡ ΠΊΠ»ΠΈΠ΅Π½Ρ Π΄ΠΎΠ»ΠΆΠ΅Π½ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°ΡΡ ΠΌΠ΅ΡΠΎΠ΄Ρ <c>Then</c>. | |
27 | /// </para> |
|
27 | /// </para> | |
28 | /// <para> |
|
28 | /// <para> | |
29 | /// Π‘Π΅ΡΠ²ΠΈΡ, Π² ΡΠ²ΠΎΡ ΠΎΡΠ΅ΡΠ΅Π΄Ρ, ΠΏΠΎ ΠΎΠΊΠΎΠ½ΡΠ°Π½ΠΈΡ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ (Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎ Ρ ΠΎΡΠΈΠ±ΠΊΠΎΠΉ), |
|
29 | /// Π‘Π΅ΡΠ²ΠΈΡ, Π² ΡΠ²ΠΎΡ ΠΎΡΠ΅ΡΠ΅Π΄Ρ, ΠΏΠΎ ΠΎΠΊΠΎΠ½ΡΠ°Π½ΠΈΡ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ (Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎ Ρ ΠΎΡΠΈΠ±ΠΊΠΎΠΉ), | |
30 | /// ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΠ΅Ρ ΠΌΠ΅ΡΠΎΠ΄Ρ <c>Resolve</c> Π»ΠΈΠ±ΠΎ <c>Reject</c> Π΄Π»Ρ ΠΎΠΏΠΎΠ²Π΅ΡΠ΅Π½ΠΈΡ ΠΊΠ»ΠΈΠ΅ΡΠ½Π° ΠΎ |
|
30 | /// ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΠ΅Ρ ΠΌΠ΅ΡΠΎΠ΄Ρ <c>Resolve</c> Π»ΠΈΠ±ΠΎ <c>Reject</c> Π΄Π»Ρ ΠΎΠΏΠΎΠ²Π΅ΡΠ΅Π½ΠΈΡ ΠΊΠ»ΠΈΠ΅ΡΠ½Π° ΠΎ | |
31 | /// Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ. |
|
31 | /// Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ. | |
32 | /// </para> |
|
32 | /// </para> | |
33 | /// <para> |
|
33 | /// <para> | |
34 | /// ΠΡΠ»ΠΈ ΡΠ΅ΡΠ²Π΅Ρ ΡΡΠΏΠ΅Π» Π²ΡΠΏΠΎΠ»Π½ΠΈΡΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ Π΅ΡΠ΅ Π΄ΠΎ ΡΠΎΠ³ΠΎ, ΠΊΠ°ΠΊ ΠΊΠ»ΠΈΠ΅Π½Ρ Π½Π° Π½Π΅Π³ΠΎ ΠΏΠΎΠ΄ΠΏΠΈΡΠ°Π»ΡΡ, |
|
34 | /// ΠΡΠ»ΠΈ ΡΠ΅ΡΠ²Π΅Ρ ΡΡΠΏΠ΅Π» Π²ΡΠΏΠΎΠ»Π½ΠΈΡΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ Π΅ΡΠ΅ Π΄ΠΎ ΡΠΎΠ³ΠΎ, ΠΊΠ°ΠΊ ΠΊΠ»ΠΈΠ΅Π½Ρ Π½Π° Π½Π΅Π³ΠΎ ΠΏΠΎΠ΄ΠΏΠΈΡΠ°Π»ΡΡ, | |
35 | /// ΡΠΎ Π² ΠΌΠΎΠΌΠ΅Π½Ρ ΠΏΠΎΠ΄ΠΏΠΈΡΠΊΠΈ ΠΊΠ»ΠΈΠ΅Π½ΡΠ° Π±ΡΠ΄ΡΡ Π²ΡΠ·Π²Π°Π½Ρ ΡΠΎΠΎΡΠ²Π΅ΡΡΠ²ΡΡΡΠΈΠ΅ ΡΠΎΠ±ΡΡΠΈΡ Π² ΡΠΈΠ½Ρ ΡΠΎΠ½Π½ΠΎΠΌ |
|
35 | /// ΡΠΎ Π² ΠΌΠΎΠΌΠ΅Π½Ρ ΠΏΠΎΠ΄ΠΏΠΈΡΠΊΠΈ ΠΊΠ»ΠΈΠ΅Π½ΡΠ° Π±ΡΠ΄ΡΡ Π²ΡΠ·Π²Π°Π½Ρ ΡΠΎΠΎΡΠ²Π΅ΡΡΠ²ΡΡΡΠΈΠ΅ ΡΠΎΠ±ΡΡΠΈΡ Π² ΡΠΈΠ½Ρ ΡΠΎΠ½Π½ΠΎΠΌ | |
36 | /// ΡΠ΅ΠΆΠΈΠΌΠ΅ ΠΈ ΠΊΠ»ΠΈΠ΅Π½Ρ Π±ΡΠ΄Π΅Ρ ΠΎΠΏΠΎΠ²Π΅ΡΠ΅Π½ Π² Π»ΡΠ±ΠΎΠΌ ΡΠ»ΡΡΠ°Π΅. ΠΠ½Π°ΡΠ΅, ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊΠΈ Π΄ΠΎΠ±Π°Π²Π»ΡΡΡΡΡ Π² |
|
36 | /// ΡΠ΅ΠΆΠΈΠΌΠ΅ ΠΈ ΠΊΠ»ΠΈΠ΅Π½Ρ Π±ΡΠ΄Π΅Ρ ΠΎΠΏΠΎΠ²Π΅ΡΠ΅Π½ Π² Π»ΡΠ±ΠΎΠΌ ΡΠ»ΡΡΠ°Π΅. ΠΠ½Π°ΡΠ΅, ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊΠΈ Π΄ΠΎΠ±Π°Π²Π»ΡΡΡΡΡ Π² | |
37 | /// ΡΠΏΠΈΡΠΎΠΊ Π² ΠΏΠΎΡΡΠ΄ΠΊΠ΅ ΠΏΠΎΠ΄ΠΏΠΈΡΠ°Π½ΠΈΡ ΠΈ Π² ΡΡΠΎΠΌ ΠΆΠ΅ ΠΏΠΎΡΡΠ΄ΠΊΠ΅ ΠΎΠ½ΠΈ Π±ΡΠ΄ΡΡ Π²ΡΠ·Π²Π°Π½Ρ ΠΏΡΠΈ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ |
|
37 | /// ΡΠΏΠΈΡΠΎΠΊ Π² ΠΏΠΎΡΡΠ΄ΠΊΠ΅ ΠΏΠΎΠ΄ΠΏΠΈΡΠ°Π½ΠΈΡ ΠΈ Π² ΡΡΠΎΠΌ ΠΆΠ΅ ΠΏΠΎΡΡΠ΄ΠΊΠ΅ ΠΎΠ½ΠΈ Π±ΡΠ΄ΡΡ Π²ΡΠ·Π²Π°Π½Ρ ΠΏΡΠΈ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ | |
38 | /// ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ. |
|
38 | /// ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ. | |
39 | /// </para> |
|
39 | /// </para> | |
40 | /// <para> |
|
40 | /// <para> | |
41 | /// ΠΠ±ΡΠ°Π±Π°ΡΡΠ²Π°Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ ΠΌΠΎΠΆΠ½ΠΎ ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²ΡΠ²Π°ΡΡ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ Π»ΠΈΠ±ΠΎ ΠΈΠ½ΠΈΡΠΈΠΈΡΠΎΠ²Π°ΡΡ |
|
41 | /// ΠΠ±ΡΠ°Π±Π°ΡΡΠ²Π°Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ ΠΌΠΎΠΆΠ½ΠΎ ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²ΡΠ²Π°ΡΡ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ Π»ΠΈΠ±ΠΎ ΠΈΠ½ΠΈΡΠΈΠΈΡΠΎΠ²Π°ΡΡ | |
42 | /// ΡΠ²ΡΠ·Π°Π½Π½ΡΠ΅ Π°ΡΠΈΠ½Ρ ΡΠΎΠ½Π½ΡΠ΅ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ, ΠΊΠΎΡΠΎΡΡΠ΅ ΡΠ°ΠΊΠΆΠ΅ Π²ΠΎΠ·Π²ΡΠ°ΡΠ°ΡΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ. ΠΠ»Ρ ΡΡΠΎΠ³ΠΎ ΡΠ»Π΅Π΄ΡΠ΅Ρ |
|
42 | /// ΡΠ²ΡΠ·Π°Π½Π½ΡΠ΅ Π°ΡΠΈΠ½Ρ ΡΠΎΠ½Π½ΡΠ΅ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ, ΠΊΠΎΡΠΎΡΡΠ΅ ΡΠ°ΠΊΠΆΠ΅ Π²ΠΎΠ·Π²ΡΠ°ΡΠ°ΡΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ. ΠΠ»Ρ ΡΡΠΎΠ³ΠΎ ΡΠ»Π΅Π΄ΡΠ΅Ρ | |
43 | /// ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°ΡΡ ΡΠΎΠΎΡΠ²Π΅ΡΡΡΠ²ΡΡΡΡΡ ΡΠΎΡΠΌΡ ΠΌΠ΅ΡΠΎΠ΄Π΅ <c>Then</c>. |
|
43 | /// ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°ΡΡ ΡΠΎΠΎΡΠ²Π΅ΡΡΡΠ²ΡΡΡΡΡ ΡΠΎΡΠΌΡ ΠΌΠ΅ΡΠΎΠ΄Π΅ <c>Then</c>. | |
44 | /// </para> |
|
44 | /// </para> | |
45 | /// <para> |
|
45 | /// <para> | |
46 | /// Π’Π°ΠΊΠΆΠ΅ Ρ ΠΎΡΠΎΡΠΈΠΌ ΠΏΡΠ°Π²ΠΈΠ»ΠΎΠΌ ΡΠ²Π»ΡΠ΅ΡΡΡ ΡΠΎ, ΡΡΠΎ <c>Resolve</c> ΠΈ <c>Reject</c> Π΄ΠΎΠ»ΠΆΠ΅Π½ Π²ΡΠ·ΡΠ²Π°ΡΡ |
|
46 | /// Π’Π°ΠΊΠΆΠ΅ Ρ ΠΎΡΠΎΡΠΈΠΌ ΠΏΡΠ°Π²ΠΈΠ»ΠΎΠΌ ΡΠ²Π»ΡΠ΅ΡΡΡ ΡΠΎ, ΡΡΠΎ <c>Resolve</c> ΠΈ <c>Reject</c> Π΄ΠΎΠ»ΠΆΠ΅Π½ Π²ΡΠ·ΡΠ²Π°ΡΡ | |
47 | /// ΡΠΎΠ»ΡΠΊΠΎ ΠΈΠ½ΠΈΡΠΈΠ°ΡΠΎΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ ΠΈΠ½Π°ΡΠ΅ ΠΌΠΎΠ³ΡΡ Π²ΠΎΠ·Π½ΠΈΠΊΠ½ΡΡΡ ΠΏΡΠΎΡΠΈΠ²ΠΎΡΠ΅ΡΠΈΡ. |
|
47 | /// ΡΠΎΠ»ΡΠΊΠΎ ΠΈΠ½ΠΈΡΠΈΠ°ΡΠΎΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ ΠΈΠ½Π°ΡΠ΅ ΠΌΠΎΠ³ΡΡ Π²ΠΎΠ·Π½ΠΈΠΊΠ½ΡΡΡ ΠΏΡΠΎΡΠΈΠ²ΠΎΡΠ΅ΡΠΈΡ. | |
48 | /// </para> |
|
48 | /// </para> | |
49 | /// </remarks> |
|
49 | /// </remarks> | |
50 | public class Promise<T> : IPromise { |
|
50 | public class Promise<T> : IPromise<T> { | |
51 |
|
51 | |||
52 | struct HandlerDescriptor { |
|
52 | struct HandlerDescriptor { | |
53 | public ResultHandler<T> resultHandler; |
|
53 | public ResultHandler<T> resultHandler; | |
54 | public ErrorHandler errorHandler; |
|
54 | public ErrorHandler errorHandler; | |
55 | public Action cancellHandler; |
|
55 | public Action cancellHandler; | |
56 |
|
56 | |||
57 | public void Resolve(T result) { |
|
57 | public void Resolve(T result) { | |
58 | if (resultHandler != null) |
|
58 | if (resultHandler != null) | |
59 | try { |
|
59 | try { | |
60 | resultHandler(result); |
|
60 | resultHandler(result); | |
61 | } catch (Exception e) { |
|
61 | } catch (Exception e) { | |
62 | Reject(e); |
|
62 | Reject(e); | |
63 | } |
|
63 | } | |
64 | } |
|
64 | } | |
65 |
|
65 | |||
66 | public void Reject(Exception err) { |
|
66 | public void Reject(Exception err) { | |
67 | if (errorHandler != null) |
|
67 | if (errorHandler != null) | |
68 | try { |
|
68 | try { | |
69 | errorHandler(err); |
|
69 | errorHandler(err); | |
70 | } catch { |
|
70 | } catch { | |
71 | } |
|
71 | } | |
72 | } |
|
72 | } | |
73 |
|
73 | |||
74 | public void Cancel() { |
|
74 | public void Cancel() { | |
75 | if (cancellHandler != null) |
|
75 | if (cancellHandler != null) | |
76 | try { |
|
76 | try { | |
77 | cancellHandler(); |
|
77 | cancellHandler(); | |
78 | } catch { |
|
78 | } catch { | |
79 | } |
|
79 | } | |
80 | } |
|
80 | } | |
81 | } |
|
81 | } | |
82 |
|
82 | |||
83 | const int UnresolvedSate = 0; |
|
83 | const int UnresolvedSate = 0; | |
84 | const int TransitionalState = 1; |
|
84 | const int TransitionalState = 1; | |
85 |
const int |
|
85 | const int SucceededState = 2; | |
86 | const int RejectedState = 3; |
|
86 | const int RejectedState = 3; | |
87 | const int CancelledState = 4; |
|
87 | const int CancelledState = 4; | |
88 |
|
88 | |||
89 | readonly IPromise m_parent; |
|
89 | readonly IPromiseBase m_parent; | |
90 | readonly bool m_cancellable; |
|
90 | readonly bool m_cancellable; | |
91 |
|
91 | |||
92 | int m_childrenCount = 0; |
|
92 | int m_childrenCount = 0; | |
93 | int m_state; |
|
93 | int m_state; | |
94 | T m_result; |
|
94 | T m_result; | |
95 | Exception m_error; |
|
95 | Exception m_error; | |
96 |
|
96 | |||
97 | readonly MTQueue<HandlerDescriptor> m_handlers = new MTQueue<HandlerDescriptor>(); |
|
97 | readonly MTQueue<HandlerDescriptor> m_handlers = new MTQueue<HandlerDescriptor>(); | |
98 |
|
98 | |||
99 | public Promise() { |
|
99 | public Promise() { | |
100 | m_cancellable = true; |
|
100 | m_cancellable = true; | |
101 | } |
|
101 | } | |
102 |
|
102 | |||
103 | public Promise(IPromise parent, bool cancellable) { |
|
103 | public Promise(IPromiseBase parent, bool cancellable) { | |
104 | m_cancellable = cancellable; |
|
104 | m_cancellable = cancellable; | |
105 | m_parent = parent; |
|
105 | m_parent = parent; | |
106 | } |
|
106 | } | |
107 |
|
107 | |||
108 | void InternalCancel() { |
|
108 | void InternalCancel() { | |
109 | // don't try to cancel parent :) |
|
109 | // don't try to cancel parent :) | |
110 | Cancel(false); |
|
110 | Cancel(false); | |
111 | } |
|
111 | } | |
112 |
|
112 | |||
113 | bool BeginTransit() { |
|
113 | bool BeginTransit() { | |
114 | return UnresolvedSate == Interlocked.CompareExchange(ref m_state, TransitionalState, UnresolvedSate); |
|
114 | return UnresolvedSate == Interlocked.CompareExchange(ref m_state, TransitionalState, UnresolvedSate); | |
115 | } |
|
115 | } | |
116 |
|
116 | |||
117 | void CompleteTransit(int state) { |
|
117 | void CompleteTransit(int state) { | |
118 | if (TransitionalState != Interlocked.CompareExchange(ref m_state, state, TransitionalState)) |
|
118 | if (TransitionalState != Interlocked.CompareExchange(ref m_state, state, TransitionalState)) | |
119 | throw new InvalidOperationException("Can't complete transition when the object isn't in the transitional state"); |
|
119 | throw new InvalidOperationException("Can't complete transition when the object isn't in the transitional state"); | |
120 | } |
|
120 | } | |
121 |
|
121 | |||
|
122 | void WaitTransition() { | |||
|
123 | while (m_state == TransitionalState) { | |||
|
124 | /* noop */ | |||
|
125 | } | |||
|
126 | } | |||
|
127 | ||||
122 | public bool IsResolved { |
|
128 | public bool IsResolved { | |
123 | get { |
|
129 | get { | |
124 | return m_state > 1; |
|
130 | return m_state > 1; | |
125 | } |
|
131 | } | |
126 | } |
|
132 | } | |
127 |
|
133 | |||
128 | public bool IsCancelled { |
|
134 | public bool IsCancelled { | |
129 | get { |
|
135 | get { | |
130 | return m_state == CancelledState; |
|
136 | return m_state == CancelledState; | |
131 | } |
|
137 | } | |
132 | } |
|
138 | } | |
133 |
|
139 | |||
134 | /// <summary> |
|
140 | /// <summary> | |
135 | /// ΠΡΠΏΠΎΠ»Π½ΡΠ΅Ρ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅, ΡΠΎΠΎΠ±ΡΠ°Ρ ΠΎΠ± ΡΡΠΏΠ΅ΡΠ½ΠΎΠΌ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ. |
|
141 | /// ΠΡΠΏΠΎΠ»Π½ΡΠ΅Ρ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅, ΡΠΎΠΎΠ±ΡΠ°Ρ ΠΎΠ± ΡΡΠΏΠ΅ΡΠ½ΠΎΠΌ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ. | |
136 | /// </summary> |
|
142 | /// </summary> | |
137 | /// <param name="result">Π Π΅Π·ΡΠ»ΡΡΠ°Ρ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ.</param> |
|
143 | /// <param name="result">Π Π΅Π·ΡΠ»ΡΡΠ°Ρ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ.</param> | |
138 | /// <exception cref="InvalidOperationException">ΠΠ°Π½Π½ΠΎΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ ΡΠΆΠ΅ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ</exception> |
|
144 | /// <exception cref="InvalidOperationException">ΠΠ°Π½Π½ΠΎΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ ΡΠΆΠ΅ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ</exception> | |
139 | public void Resolve(T result) { |
|
145 | public void Resolve(T result) { | |
140 | if (BeginTransit()) { |
|
146 | if (BeginTransit()) { | |
141 | m_result = result; |
|
147 | m_result = result; | |
142 |
CompleteTransit( |
|
148 | CompleteTransit(SucceededState); | |
143 | OnStateChanged(); |
|
149 | OnStateChanged(); | |
144 | } else if (m_state != CancelledState) |
|
150 | } else { | |
|
151 | WaitTransition(); | |||
|
152 | if (m_state != CancelledState) | |||
145 | throw new InvalidOperationException("The promise is already resolved"); |
|
153 | throw new InvalidOperationException("The promise is already resolved"); | |
146 | } |
|
154 | } | |
|
155 | } | |||
147 |
|
156 | |||
148 | /// <summary> |
|
157 | /// <summary> | |
149 | /// ΠΡΠΏΠΎΠ»Π½ΡΠ΅Ρ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅, ΡΠΎΠΎΠ±ΡΠ°Ρ ΠΎΠ± ΠΎΡΠΈΠ±ΠΊΠ΅ |
|
158 | /// ΠΡΠΏΠΎΠ»Π½ΡΠ΅Ρ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅, ΡΠΎΠΎΠ±ΡΠ°Ρ ΠΎΠ± ΠΎΡΠΈΠ±ΠΊΠ΅ | |
150 | /// </summary> |
|
159 | /// </summary> | |
151 | /// <remarks> |
|
160 | /// <remarks> | |
152 | /// ΠΠΎΡΠΊΠΎΠ»ΡΠΊΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ Π΄ΠΎΠ»ΠΆΠ½ΠΎ ΡΠ°Π±ΠΎΡΠ°ΡΡ Π² ΠΌΠ½ΠΎΠ³ΠΎΠΏΡΠΎΡΠ½ΠΎΠΉ ΡΡΠ΅Π΄Π΅, ΠΏΡΠΈ Π΅Π³ΠΎ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ ΡΡΠ°Π·Ρ Π½Π΅ΡΠΊΠΎΠ»ΡΠΊΠΎ ΠΏΠΎΡΠΎΠΊΠΎΠ² |
|
161 | /// ΠΠΎΡΠΊΠΎΠ»ΡΠΊΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ Π΄ΠΎΠ»ΠΆΠ½ΠΎ ΡΠ°Π±ΠΎΡΠ°ΡΡ Π² ΠΌΠ½ΠΎΠ³ΠΎΠΏΡΠΎΡΠ½ΠΎΠΉ ΡΡΠ΅Π΄Π΅, ΠΏΡΠΈ Π΅Π³ΠΎ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ ΡΡΠ°Π·Ρ Π½Π΅ΡΠΊΠΎΠ»ΡΠΊΠΎ ΠΏΠΎΡΠΎΠΊΠΎΠ² | |
153 | /// ΠΌΠΎΠ³Ρ Π²Π΅ΡΠ½ΡΡΡ ΠΎΡΠΈΠ±ΠΊΡ, ΠΏΡΠΈ ΡΡΠΎΠΌ ΡΠΎΠ»ΡΠΊΠΎ ΠΏΠ΅ΡΠ²Π°Ρ Π±ΡΠ΄Π΅Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½Π° Π² ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ°, ΠΎΡΡΠ°Π»ΡΠ½ΡΠ΅ |
|
162 | /// ΠΌΠΎΠ³Ρ Π²Π΅ΡΠ½ΡΡΡ ΠΎΡΠΈΠ±ΠΊΡ, ΠΏΡΠΈ ΡΡΠΎΠΌ ΡΠΎΠ»ΡΠΊΠΎ ΠΏΠ΅ΡΠ²Π°Ρ Π±ΡΠ΄Π΅Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½Π° Π² ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ°, ΠΎΡΡΠ°Π»ΡΠ½ΡΠ΅ | |
154 | /// Π±ΡΠ΄ΡΡ ΠΏΡΠΎΠΈΠ³Π½ΠΎΡΠΈΡΠΎΠ²Π°Π½Ρ. |
|
163 | /// Π±ΡΠ΄ΡΡ ΠΏΡΠΎΠΈΠ³Π½ΠΎΡΠΈΡΠΎΠ²Π°Π½Ρ. | |
155 | /// </remarks> |
|
164 | /// </remarks> | |
156 | /// <param name="error">ΠΡΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅ Π²ΠΎΠ·Π½ΠΈΠΊΡΠ΅Π΅ ΠΏΡΠΈ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ</param> |
|
165 | /// <param name="error">ΠΡΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅ Π²ΠΎΠ·Π½ΠΈΠΊΡΠ΅Π΅ ΠΏΡΠΈ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ</param> | |
157 | /// <exception cref="InvalidOperationException">ΠΠ°Π½Π½ΠΎΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ ΡΠΆΠ΅ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ</exception> |
|
166 | /// <exception cref="InvalidOperationException">ΠΠ°Π½Π½ΠΎΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ ΡΠΆΠ΅ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ</exception> | |
158 | public void Reject(Exception error) { |
|
167 | public void Reject(Exception error) { | |
159 | if (BeginTransit()) { |
|
168 | if (BeginTransit()) { | |
160 | m_error = error; |
|
169 | m_error = error; | |
161 | CompleteTransit(RejectedState); |
|
170 | CompleteTransit(RejectedState); | |
162 | OnStateChanged(); |
|
171 | OnStateChanged(); | |
163 | } else if (m_state == ResolvedState) |
|
172 | } else { | |
|
173 | WaitTransition(); | |||
|
174 | if (m_state == SucceededState) | |||
164 | throw new InvalidOperationException("The promise is already resolved"); |
|
175 | throw new InvalidOperationException("The promise is already resolved"); | |
165 | } |
|
176 | } | |
|
177 | } | |||
166 |
|
178 | |||
167 | /// <summary> |
|
179 | /// <summary> | |
168 | /// ΠΡΠΌΠ΅Π½ΡΠ΅Ρ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΡ, Π΅ΡΠ»ΠΈ ΡΡΠΎ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎ. |
|
180 | /// ΠΡΠΌΠ΅Π½ΡΠ΅Ρ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΡ, Π΅ΡΠ»ΠΈ ΡΡΠΎ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎ. | |
169 | /// </summary> |
|
181 | /// </summary> | |
170 | /// <returns><c>true</c> ΠΠΏΠ΅ΡΠ°ΡΠΈΡ Π±ΡΠ»Π° ΠΎΡΠΌΠ΅Π½Π΅Π½Π°, ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊΠΈ Π½Π΅ Π±ΡΠ΄ΡΡ Π²ΡΠ·Π²Π°Π½Ρ.<c>false</c> ΠΎΡΠΌΠ΅Π½Π° Π½Π΅ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½Π°, ΠΏΠΎΡΠΊΠΎΠ»ΡΠΊΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ ΡΠΆΠ΅ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ ΠΈ ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊΠΈ ΠΎΡΡΠ°Π±ΠΎΡΠ°Π»ΠΈ.</returns> |
|
182 | /// <returns><c>true</c> ΠΠΏΠ΅ΡΠ°ΡΠΈΡ Π±ΡΠ»Π° ΠΎΡΠΌΠ΅Π½Π΅Π½Π°, ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊΠΈ Π½Π΅ Π±ΡΠ΄ΡΡ Π²ΡΠ·Π²Π°Π½Ρ.<c>false</c> ΠΎΡΠΌΠ΅Π½Π° Π½Π΅ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½Π°, ΠΏΠΎΡΠΊΠΎΠ»ΡΠΊΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ ΡΠΆΠ΅ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ ΠΈ ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊΠΈ ΠΎΡΡΠ°Π±ΠΎΡΠ°Π»ΠΈ.</returns> | |
171 | public bool Cancel() { |
|
183 | public bool Cancel() { | |
172 | return Cancel(true); |
|
184 | return Cancel(true); | |
173 | } |
|
185 | } | |
174 |
|
186 | |||
175 | /// <summary> |
|
187 | /// <summary> | |
176 | /// Adds new handlers to this promise. |
|
188 | /// Adds new handlers to this promise. | |
177 | /// </summary> |
|
189 | /// </summary> | |
178 | /// <param name="success">The handler of the successfully completed operation. |
|
190 | /// <param name="success">The handler of the successfully completed operation. | |
179 | /// This handler will recieve an operation result as a parameter.</param> |
|
191 | /// This handler will recieve an operation result as a parameter.</param> | |
180 | /// <param name="error">Handles an exception that may occur during the operation.</param> |
|
192 | /// <param name="error">Handles an exception that may occur during the operation.</param> | |
181 | /// <returns>The new promise chained to this one.</returns> |
|
193 | /// <returns>The new promise chained to this one.</returns> | |
182 | public Promise<T> Then(ResultHandler<T> success, ErrorHandler error) { |
|
194 | public Promise<T> Then(ResultHandler<T> success, ErrorHandler error) { | |
183 | if (success == null && error == null) |
|
195 | if (success == null && error == null) | |
184 | return this; |
|
196 | return this; | |
185 |
|
197 | |||
186 | var medium = new Promise<T>(this, true); |
|
198 | var medium = new Promise<T>(this, true); | |
187 |
|
199 | |||
188 | ResultHandler<T> resultHandler; |
|
200 | ResultHandler<T> resultHandler; | |
189 | if (success != null) |
|
201 | if (success != null) | |
190 | resultHandler = x => { |
|
202 | resultHandler = x => { | |
191 | success(x); |
|
203 | success(x); | |
192 | medium.Resolve(x); |
|
204 | medium.Resolve(x); | |
193 | }; |
|
205 | }; | |
194 | else |
|
206 | else | |
195 | resultHandler = medium.Resolve; |
|
207 | resultHandler = medium.Resolve; | |
196 |
|
208 | |||
197 | ErrorHandler errorHandler; |
|
209 | ErrorHandler errorHandler; | |
198 | if (error != null) |
|
210 | if (error != null) | |
199 | errorHandler = x => { |
|
211 | errorHandler = x => { | |
|
212 | // Π½Π΅ΡΠΌΠΎΡΡΡ Π½Π° ΡΠΎ, ΡΡΠΎ ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊ ΠΎΡΠΈΠ±ΠΊΠΈ Π²ΡΠ·ΡΠ²Π°Π΅ΡΡΡ Π±Π΅Π·ΠΎΠΏΠ°ΡΠ½ΠΎ, | |||
|
213 | // Ρ.Π΅. Π²ΠΎΠ·Π½ΠΈΠΊΡΠΈΠ΅ Π² Π½Π΅ΠΌ ΠΎΡΠΈΠ±ΠΊΠΈ Π±ΡΠ΄ΡΡ ΠΏΠΎΠ΄Π°Π²Π»Π΅Π½Ρ, Π½Π°ΠΌ Π½ΡΠΆΠ½ΠΎ | |||
|
214 | // Π³Π°ΡΠ°Π½ΡΠΈΡΠΎΠ²Π°ΡΡ, ΡΡΠΎ ΠΎΡΠΈΠ±ΠΊΠ° Π±ΡΠ΄Π΅Ρ ΠΏΠ΅ΡΠ΅Π΄Π°Π½Π° Π΄Π°Π»ΡΡΠ΅ ΠΏΠΎ ΡΠ΅ΠΏΠΎΡΠΊΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠΉ | |||
200 | try { |
|
215 | try { | |
201 | error(x); |
|
216 | error(x); | |
202 | } catch { } |
|
217 | } catch { } | |
203 | medium.Reject(x); |
|
218 | medium.Reject(x); | |
204 | }; |
|
219 | }; | |
205 | else |
|
220 | else | |
206 | errorHandler = medium.Reject; |
|
221 | errorHandler = medium.Reject; | |
207 |
|
222 | |||
208 | AddHandler(resultHandler, errorHandler, medium.InternalCancel); |
|
223 | AddHandler(resultHandler, errorHandler, medium.InternalCancel); | |
209 |
|
224 | |||
210 | return medium; |
|
225 | return medium; | |
211 | } |
|
226 | } | |
212 |
|
227 | |||
213 | /// <summary> |
|
228 | /// <summary> | |
214 | /// Adds new handlers to this promise. |
|
229 | /// Adds new handlers to this promise. | |
215 | /// </summary> |
|
230 | /// </summary> | |
216 | /// <param name="success">The handler of the successfully completed operation. |
|
231 | /// <param name="success">The handler of the successfully completed operation. | |
217 | /// This handler will recieve an operation result as a parameter.</param> |
|
232 | /// This handler will recieve an operation result as a parameter.</param> | |
218 | /// <param name="error">Handles an exception that may occur during the operation and returns the value which will be used as the result of the operation.</param> |
|
233 | /// <param name="error">Handles an exception that may occur during the operation and returns the value which will be used as the result of the operation.</param> | |
219 | /// <returns>The new promise chained to this one.</returns> |
|
234 | /// <returns>The new promise chained to this one.</returns> | |
220 | public Promise<T> Then(ResultHandler<T> success, ErrorHandler<T> error) { |
|
235 | public Promise<T> Then(ResultHandler<T> success, ErrorHandler<T> error) { | |
221 | if (success == null && error == null) |
|
236 | if (success == null && error == null) | |
222 | return this; |
|
237 | return this; | |
223 |
|
238 | |||
224 | var medium = new Promise<T>(this, true); |
|
239 | var medium = new Promise<T>(this, true); | |
225 |
|
240 | |||
226 | ResultHandler<T> resultHandler; |
|
241 | ResultHandler<T> resultHandler; | |
227 | ErrorHandler errorHandler; |
|
242 | ErrorHandler errorHandler; | |
228 |
|
243 | |||
229 | if (success != null) |
|
244 | if (success != null) | |
230 | resultHandler = x => { |
|
245 | resultHandler = x => { | |
231 | success(x); |
|
246 | success(x); | |
232 | medium.Resolve(x); |
|
247 | medium.Resolve(x); | |
233 | }; |
|
248 | }; | |
234 | else |
|
249 | else | |
235 | resultHandler = medium.Resolve; |
|
250 | resultHandler = medium.Resolve; | |
236 |
|
251 | |||
237 | if (error != null) |
|
252 | if (error != null) | |
238 | errorHandler = x => { |
|
253 | errorHandler = x => { | |
239 | try { |
|
254 | try { | |
240 | medium.Resolve(error(x)); |
|
255 | medium.Resolve(error(x)); | |
241 |
} catch { |
|
256 | } catch(Exception e) { | |
242 |
medium.Reject( |
|
257 | medium.Reject(e); | |
|
258 | } | |||
243 | }; |
|
259 | }; | |
244 | else |
|
260 | else | |
245 | errorHandler = medium.Reject; |
|
261 | errorHandler = medium.Reject; | |
246 |
|
262 | |||
247 | AddHandler(resultHandler, errorHandler, medium.InternalCancel); |
|
263 | AddHandler(resultHandler, errorHandler, medium.InternalCancel); | |
248 |
|
264 | |||
249 | return medium; |
|
265 | return medium; | |
250 | } |
|
266 | } | |
251 |
|
267 | |||
252 |
|
268 | |||
253 | public Promise<T> Then(ResultHandler<T> success) { |
|
269 | public Promise<T> Then(ResultHandler<T> success) { | |
254 | if (success == null) |
|
270 | if (success == null) | |
255 | return this; |
|
271 | return this; | |
256 |
|
272 | |||
257 | var medium = new Promise<T>(this, true); |
|
273 | var medium = new Promise<T>(this, true); | |
258 |
|
274 | |||
259 | ResultHandler<T> resultHandler; |
|
275 | ResultHandler<T> resultHandler; | |
260 |
|
276 | |||
261 | if (success != null) |
|
277 | if (success != null) | |
262 | resultHandler = x => { |
|
278 | resultHandler = x => { | |
263 | success(x); |
|
279 | success(x); | |
264 | medium.Resolve(x); |
|
280 | medium.Resolve(x); | |
265 | }; |
|
281 | }; | |
266 | else |
|
282 | else | |
267 | resultHandler = medium.Resolve; |
|
283 | resultHandler = medium.Resolve; | |
268 |
|
284 | |||
269 | AddHandler(resultHandler, medium.Reject, medium.InternalCancel); |
|
285 | AddHandler(resultHandler, medium.Reject, medium.InternalCancel); | |
270 |
|
286 | |||
271 | return medium; |
|
287 | return medium; | |
272 | } |
|
288 | } | |
273 |
|
289 | |||
274 | public Promise<T> Error(ErrorHandler error) { |
|
290 | public Promise<T> Error(ErrorHandler error) { | |
275 | return Then(null, error); |
|
291 | return Then(null, error); | |
276 | } |
|
292 | } | |
277 |
|
293 | |||
278 | /// <summary> |
|
294 | /// <summary> | |
279 | /// Handles error and allows to keep the promise. |
|
295 | /// Handles error and allows to keep the promise. | |
280 | /// </summary> |
|
296 | /// </summary> | |
281 | /// <remarks> |
|
297 | /// <remarks> | |
282 | /// If the specified handler throws an exception, this exception will be used to reject the promise. |
|
298 | /// If the specified handler throws an exception, this exception will be used to reject the promise. | |
283 | /// </remarks> |
|
299 | /// </remarks> | |
284 | /// <param name="handler">The error handler which returns the result of the promise.</param> |
|
300 | /// <param name="handler">The error handler which returns the result of the promise.</param> | |
285 | /// <returns>New promise.</returns> |
|
301 | /// <returns>New promise.</returns> | |
286 | public Promise<T> Error(ErrorHandler<T> handler) { |
|
302 | public Promise<T> Error(ErrorHandler<T> handler) { | |
287 | if (handler == null) |
|
303 | if (handler == null) | |
288 | return this; |
|
304 | return this; | |
289 |
|
305 | |||
290 | var medium = new Promise<T>(this, true); |
|
306 | var medium = new Promise<T>(this, true); | |
291 |
|
307 | |||
292 | AddHandler( |
|
308 | AddHandler( | |
293 | null, |
|
309 | null, | |
294 | e => { |
|
310 | e => { | |
295 | try { |
|
311 | try { | |
296 | medium.Resolve(handler(e)); |
|
312 | medium.Resolve(handler(e)); | |
297 | } catch (Exception e2) { |
|
313 | } catch (Exception e2) { | |
298 | medium.Reject(e2); |
|
314 | medium.Reject(e2); | |
299 | } |
|
315 | } | |
300 | }, |
|
316 | }, | |
301 | medium.InternalCancel |
|
317 | medium.InternalCancel | |
302 | ); |
|
318 | ); | |
303 |
|
319 | |||
304 | return medium; |
|
320 | return medium; | |
305 | } |
|
321 | } | |
306 |
|
322 | |||
307 | public Promise<T> Anyway(Action handler) { |
|
323 | public Promise<T> Anyway(Action handler) { | |
308 | if (handler == null) |
|
324 | if (handler == null) | |
309 | return this; |
|
325 | return this; | |
310 |
|
326 | |||
311 | var medium = new Promise<T>(); |
|
327 | var medium = new Promise<T>(); | |
312 |
|
328 | |||
313 | AddHandler( |
|
329 | AddHandler( | |
314 | x => { |
|
330 | x => { | |
315 | // to avoid handler being called multiple times we handle exception by ourselfs |
|
331 | // to avoid handler being called multiple times we handle exception by ourselfs | |
316 | try { |
|
332 | try { | |
317 | handler(); |
|
333 | handler(); | |
318 | medium.Resolve(x); |
|
334 | medium.Resolve(x); | |
319 | } catch (Exception e) { |
|
335 | } catch (Exception e) { | |
320 | medium.Reject(e); |
|
336 | medium.Reject(e); | |
321 | } |
|
337 | } | |
322 | }, |
|
338 | }, | |
323 |
|
339 | |||
324 | e => { |
|
340 | e => { | |
325 | try { |
|
341 | try { | |
326 | handler(); |
|
342 | handler(); | |
327 | } catch { } |
|
343 | } catch { } | |
328 | medium.Reject(e); |
|
344 | medium.Reject(e); | |
329 | }, |
|
345 | }, | |
330 |
|
346 | |||
331 | medium.InternalCancel |
|
347 | medium.InternalCancel | |
332 | ); |
|
348 | ); | |
333 |
|
349 | |||
334 | return medium; |
|
350 | return medium; | |
335 | } |
|
351 | } | |
336 |
|
352 | |||
337 | /// <summary> |
|
353 | /// <summary> | |
338 | /// ΠΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΡ ΡΠ΅Π·ΡΠ»ΡΡΠ°Ρ Π²ΡΠΏΠΎΠ»Π΅Π½ΠΈΡ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ ΠΊ Π½ΠΎΠ²ΠΎΠΌΡ ΡΠΈΠΏΡ. |
|
354 | /// ΠΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΡ ΡΠ΅Π·ΡΠ»ΡΡΠ°Ρ Π²ΡΠΏΠΎΠ»Π΅Π½ΠΈΡ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ ΠΊ Π½ΠΎΠ²ΠΎΠΌΡ ΡΠΈΠΏΡ. | |
339 | /// </summary> |
|
355 | /// </summary> | |
340 | /// <typeparam name="TNew">ΠΠΎΠ²ΡΠΉ ΡΠΈΠΏ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ°.</typeparam> |
|
356 | /// <typeparam name="TNew">ΠΠΎΠ²ΡΠΉ ΡΠΈΠΏ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ°.</typeparam> | |
341 | /// <param name="mapper">ΠΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°Π½ΠΈΠ΅ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ° ΠΊ Π½ΠΎΠ²ΠΎΠΌΡ ΡΠΈΠΏΡ.</param> |
|
357 | /// <param name="mapper">ΠΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°Π½ΠΈΠ΅ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ° ΠΊ Π½ΠΎΠ²ΠΎΠΌΡ ΡΠΈΠΏΡ.</param> | |
342 | /// <param name="error">ΠΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊ ΠΎΡΠΈΠ±ΠΊΠΈ. ΠΠ°Π½Π½ΡΠΉ ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊ ΠΏΠΎΠ»ΡΡΠΈΡ |
|
358 | /// <param name="error">ΠΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊ ΠΎΡΠΈΠ±ΠΊΠΈ. ΠΠ°Π½Π½ΡΠΉ ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊ ΠΏΠΎΠ»ΡΡΠΈΡ | |
343 | /// ΠΈΡΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅ Π²ΠΎΠ·Π½ΠΈΠΊΡΠ΅Π΅ ΠΏΡΠΈ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ.</param> |
|
359 | /// ΠΈΡΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅ Π²ΠΎΠ·Π½ΠΈΠΊΡΠ΅Π΅ ΠΏΡΠΈ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ.</param> | |
344 | /// <returns>ΠΠΎΠ²ΠΎΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅, ΠΊΠΎΡΠΎΡΠΎΠ΅ Π±ΡΠ΄Π΅Ρ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ ΠΏΡΠΈ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ ΠΈΡΡ ΠΎΠ΄Π½ΠΎΠ³ΠΎ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ.</returns> |
|
360 | /// <returns>ΠΠΎΠ²ΠΎΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅, ΠΊΠΎΡΠΎΡΠΎΠ΅ Π±ΡΠ΄Π΅Ρ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ ΠΏΡΠΈ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ ΠΈΡΡ ΠΎΠ΄Π½ΠΎΠ³ΠΎ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ.</returns> | |
345 | public Promise<TNew> Map<TNew>(ResultMapper<T, TNew> mapper, ErrorHandler error) { |
|
361 | public Promise<TNew> Map<TNew>(ResultMapper<T, TNew> mapper, ErrorHandler error) { | |
346 | if (mapper == null) |
|
362 | if (mapper == null) | |
347 | throw new ArgumentNullException("mapper"); |
|
363 | throw new ArgumentNullException("mapper"); | |
348 |
|
364 | |||
349 | // ΡΠΎΠ·Π΄Π°Π΅ΠΌ ΠΏΡΠΈΡΠ΅ΠΏΠ»Π΅Π½Π½ΠΎΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ |
|
365 | // ΡΠΎΠ·Π΄Π°Π΅ΠΌ ΠΏΡΠΈΡΠ΅ΠΏΠ»Π΅Π½Π½ΠΎΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ | |
350 | var chained = new Promise<TNew>(); |
|
366 | var chained = new Promise<TNew>(); | |
351 |
|
367 | |||
352 | ResultHandler<T> resultHandler = result => chained.Resolve(mapper(result)); |
|
368 | ResultHandler<T> resultHandler = result => chained.Resolve(mapper(result)); | |
353 | ErrorHandler errorHandler = delegate(Exception e) { |
|
369 | ErrorHandler errorHandler = delegate(Exception e) { | |
354 | if (error != null) |
|
370 | if (error != null) | |
355 | try { |
|
371 | try { | |
356 | error(e); |
|
372 | error(e); | |
357 | } catch { } |
|
373 | } catch { } | |
358 | // Π² ΡΠ»ΡΡΠ°Π΅ ΠΎΡΠΈΠ±ΠΊΠΈ Π½ΡΠΆΠ½ΠΎ ΠΏΠ΅ΡΠ΅Π΄Π°ΡΡ ΠΈΡΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅ Π΄Π°Π»ΡΡΠ΅ ΠΏΠΎ ΡΠ΅ΠΏΠΎΡΠΊΠ΅ |
|
374 | // Π² ΡΠ»ΡΡΠ°Π΅ ΠΎΡΠΈΠ±ΠΊΠΈ Π½ΡΠΆΠ½ΠΎ ΠΏΠ΅ΡΠ΅Π΄Π°ΡΡ ΠΈΡΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅ Π΄Π°Π»ΡΡΠ΅ ΠΏΠΎ ΡΠ΅ΠΏΠΎΡΠΊΠ΅ | |
359 | chained.Reject(e); |
|
375 | chained.Reject(e); | |
360 | }; |
|
376 | }; | |
361 |
|
377 | |||
362 |
|
378 | |||
363 | AddHandler( |
|
379 | AddHandler( | |
364 | resultHandler, |
|
380 | resultHandler, | |
365 | errorHandler, |
|
381 | errorHandler, | |
366 | chained.InternalCancel |
|
382 | chained.InternalCancel | |
367 | ); |
|
383 | ); | |
368 |
|
384 | |||
369 | return chained; |
|
385 | return chained; | |
370 | } |
|
386 | } | |
371 |
|
387 | |||
372 | public Promise<TNew> Map<TNew>(ResultMapper<T, TNew> mapper) { |
|
388 | public Promise<TNew> Map<TNew>(ResultMapper<T, TNew> mapper) { | |
373 | return Map(mapper, null); |
|
389 | return Map(mapper, null); | |
374 | } |
|
390 | } | |
375 |
|
391 | |||
376 | /// <summary> |
|
392 | /// <summary> | |
377 | /// Π‘ΡΠ΅ΠΏΠ»ΡΠ΅Ρ Π½Π΅ΡΠΊΠΎΠ»ΡΠΊΠΎ Π°ΡΠ½Ρ ΡΠΎΠ½Π½ΡΡ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΉ. Π£ΠΊΠ°Π·Π°Π½Π½Π°Ρ Π°ΡΠΈΠ½Ρ ΡΠΎΠ½Π½Π°Ρ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΡ Π±ΡΠ΄Π΅Ρ Π²ΡΠ·Π²Π°Π½Π° ΠΏΠΎΡΠ»Π΅ |
|
393 | /// Π‘ΡΠ΅ΠΏΠ»ΡΠ΅Ρ Π½Π΅ΡΠΊΠΎΠ»ΡΠΊΠΎ Π°ΡΠ½Ρ ΡΠΎΠ½Π½ΡΡ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΉ. Π£ΠΊΠ°Π·Π°Π½Π½Π°Ρ Π°ΡΠΈΠ½Ρ ΡΠΎΠ½Π½Π°Ρ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΡ Π±ΡΠ΄Π΅Ρ Π²ΡΠ·Π²Π°Π½Π° ΠΏΠΎΡΠ»Π΅ | |
378 | /// Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ ΡΠ΅ΠΊΡΡΠ΅ΠΉ, Π° ΡΠ΅Π·ΡΠ»ΡΡΠ°Ρ ΡΠ΅ΠΊΡΡΠ΅ΠΉ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ ΠΌΠΎΠΆΠ΅Ρ Π±ΡΡΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ Π΄Π»Ρ ΠΈΠ½ΠΈΡΠΈΠ°Π»ΠΈΠ·Π°ΡΠΈΠΈ |
|
394 | /// Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ ΡΠ΅ΠΊΡΡΠ΅ΠΉ, Π° ΡΠ΅Π·ΡΠ»ΡΡΠ°Ρ ΡΠ΅ΠΊΡΡΠ΅ΠΉ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ ΠΌΠΎΠΆΠ΅Ρ Π±ΡΡΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ Π΄Π»Ρ ΠΈΠ½ΠΈΡΠΈΠ°Π»ΠΈΠ·Π°ΡΠΈΠΈ | |
379 | /// Π½ΠΎΠ²ΠΎΠΉ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ. |
|
395 | /// Π½ΠΎΠ²ΠΎΠΉ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ. | |
380 | /// </summary> |
|
396 | /// </summary> | |
381 | /// <typeparam name="TNew">Π’ΠΈΠΏ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ° ΡΠΊΠ°Π·Π°Π½Π½ΠΎΠΉ Π°ΡΠΈΠ½Ρ ΡΠΎΠ½Π½ΠΎΠΉ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ.</typeparam> |
|
397 | /// <typeparam name="TNew">Π’ΠΈΠΏ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ° ΡΠΊΠ°Π·Π°Π½Π½ΠΎΠΉ Π°ΡΠΈΠ½Ρ ΡΠΎΠ½Π½ΠΎΠΉ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ.</typeparam> | |
382 | /// <param name="chained">ΠΡΠΈΠ½Ρ ΡΠΎΠ½Π½Π°Ρ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΡ, ΠΊΠΎΡΠΎΡΠ°Ρ Π΄ΠΎΠ»ΠΆΠ½Π° Π±ΡΠ΄Π΅Ρ Π½Π°ΡΠ°ΡΡΡΡ ΠΏΠΎΡΠ»Π΅ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ ΡΠ΅ΠΊΡΡΠ΅ΠΉ.</param> |
|
398 | /// <param name="chained">ΠΡΠΈΠ½Ρ ΡΠΎΠ½Π½Π°Ρ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΡ, ΠΊΠΎΡΠΎΡΠ°Ρ Π΄ΠΎΠ»ΠΆΠ½Π° Π±ΡΠ΄Π΅Ρ Π½Π°ΡΠ°ΡΡΡΡ ΠΏΠΎΡΠ»Π΅ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ ΡΠ΅ΠΊΡΡΠ΅ΠΉ.</param> | |
383 | /// <param name="error">ΠΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊ ΠΎΡΠΈΠ±ΠΊΠΈ. ΠΠ°Π½Π½ΡΠΉ ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊ ΠΏΠΎΠ»ΡΡΠΈΡ |
|
399 | /// <param name="error">ΠΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊ ΠΎΡΠΈΠ±ΠΊΠΈ. ΠΠ°Π½Π½ΡΠΉ ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊ ΠΏΠΎΠ»ΡΡΠΈΡ | |
384 | /// ΠΈΡΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅ Π²ΠΎΠ·Π½ΠΈΠΊΡΠ΅Π΅ ΠΏΡΠΈ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ ΡΠ΅ΠΊΡΠ΅ΡΠΉ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ.</param> |
|
400 | /// ΠΈΡΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅ Π²ΠΎΠ·Π½ΠΈΠΊΡΠ΅Π΅ ΠΏΡΠΈ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΠΈ ΡΠ΅ΠΊΡΠ΅ΡΠΉ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ.</param> | |
385 | /// <returns>ΠΠΎΠ²ΠΎΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅, ΠΊΠΎΡΠΎΡΠΎΠ΅ Π±ΡΠ΄Π΅Ρ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ ΠΏΠΎ ΠΎΠΊΠΎΠ½ΡΠ°Π½ΠΈΡ ΡΠΊΠ°Π·Π°Π½Π½ΠΎΠΉ Π°ΡΠ½Ρ ΡΠΎΠ½Π½ΠΎΠΉ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ.</returns> |
|
401 | /// <returns>ΠΠΎΠ²ΠΎΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅, ΠΊΠΎΡΠΎΡΠΎΠ΅ Π±ΡΠ΄Π΅Ρ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ ΠΏΠΎ ΠΎΠΊΠΎΠ½ΡΠ°Π½ΠΈΡ ΡΠΊΠ°Π·Π°Π½Π½ΠΎΠΉ Π°ΡΠ½Ρ ΡΠΎΠ½Π½ΠΎΠΉ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ.</returns> | |
386 | public Promise<TNew> Chain<TNew>(ChainedOperation<T, TNew> chained, ErrorHandler error) { |
|
402 | public Promise<TNew> Chain<TNew>(ChainedOperation<T, TNew> chained, ErrorHandler error) { | |
387 |
|
403 | |||
388 | // ΠΏΡΠΎΠ±Π»Π΅ΠΌΠ° Π² ΡΠΎΠΌ, ΡΡΠΎ Π½Π° ΠΌΠΎΠΌΠ΅Π½Ρ ΡΠ²ΡΠ·ΡΠ²Π°Π½ΠΈΡ Π΅ΡΠ΅ Π½Π΅ Π½Π°ΡΠ°ΡΠ° Π°ΡΠΈΠ½Ρ ΡΠΎΠ½Π½Π°Ρ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΡ, ΠΏΠΎΡΡΠΎΠΌΡ Π½ΡΠΆΠ½ΠΎ |
|
404 | // ΠΏΡΠΎΠ±Π»Π΅ΠΌΠ° Π² ΡΠΎΠΌ, ΡΡΠΎ Π½Π° ΠΌΠΎΠΌΠ΅Π½Ρ ΡΠ²ΡΠ·ΡΠ²Π°Π½ΠΈΡ Π΅ΡΠ΅ Π½Π΅ Π½Π°ΡΠ°ΡΠ° Π°ΡΠΈΠ½Ρ ΡΠΎΠ½Π½Π°Ρ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΡ, ΠΏΠΎΡΡΠΎΠΌΡ Π½ΡΠΆΠ½ΠΎ | |
389 | // ΡΠΎΠ·Π΄Π°ΡΡ ΠΏΠΎΡΡΠ΅Π΄Π½ΠΈΠΊΠ°, ΠΊ ΠΊΠΎΡΠΎΡΠΎΠΌΡ Π±ΡΠ΄ΡΡ ΠΏΠΎΠ΄Π²ΡΠ·ΡΠ²Π°ΡΡΡΡ ΡΠ»Π΅Π΄ΡΡΡΠΈΠ΅ ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊΠΈ. |
|
405 | // ΡΠΎΠ·Π΄Π°ΡΡ ΠΏΠΎΡΡΠ΅Π΄Π½ΠΈΠΊΠ°, ΠΊ ΠΊΠΎΡΠΎΡΠΎΠΌΡ Π±ΡΠ΄ΡΡ ΠΏΠΎΠ΄Π²ΡΠ·ΡΠ²Π°ΡΡΡΡ ΡΠ»Π΅Π΄ΡΡΡΠΈΠ΅ ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊΠΈ. | |
390 | // ΠΊΠΎΠ³Π΄Π° Π±ΡΠ΄Π΅Ρ Π²ΡΠΏΠΎΠ»Π½Π΅Π½Π° ΡΠ΅Π°Π»ΡΠ½Π°Ρ Π°ΡΠΈΠ½Ρ ΡΠΎΠ½Π½Π°Ρ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΡ, ΠΎΠ½Π° ΠΎΠ±ΡΠ°ΡΠΈΡΡΡΡ ΠΊ ΠΏΠΎΡΡΠ΅Π΄Π½ΠΈΠΊΡ, ΡΡΠΎΠ±Ρ |
|
406 | // ΠΊΠΎΠ³Π΄Π° Π±ΡΠ΄Π΅Ρ Π²ΡΠΏΠΎΠ»Π½Π΅Π½Π° ΡΠ΅Π°Π»ΡΠ½Π°Ρ Π°ΡΠΈΠ½Ρ ΡΠΎΠ½Π½Π°Ρ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΡ, ΠΎΠ½Π° ΠΎΠ±ΡΠ°ΡΠΈΡΡΡΡ ΠΊ ΠΏΠΎΡΡΠ΅Π΄Π½ΠΈΠΊΡ, ΡΡΠΎΠ±Ρ | |
391 | // ΠΏΠ΅ΡΠ΅Π΄Π°ΡΡ ΡΠ΅ΡΠ΅Π· Π½Π΅Π³ΠΎ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΡΠ°Π±ΠΎΡΡ. |
|
407 | // ΠΏΠ΅ΡΠ΅Π΄Π°ΡΡ ΡΠ΅ΡΠ΅Π· Π½Π΅Π³ΠΎ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΡΠ°Π±ΠΎΡΡ. | |
392 | var medium = new Promise<TNew>(this, true); |
|
408 | var medium = new Promise<TNew>(this, true); | |
393 |
|
409 | |||
394 | ResultHandler<T> resultHandler = delegate(T result) { |
|
410 | ResultHandler<T> resultHandler = delegate(T result) { | |
395 | if (medium.IsCancelled) |
|
411 | if (medium.IsCancelled) | |
396 | return; |
|
412 | return; | |
397 |
|
413 | |||
398 | var promise = chained(result); |
|
414 | var promise = chained(result); | |
399 |
|
415 | |||
400 | // notify chained operation that it's not needed |
|
416 | // notify chained operation that it's not needed | |
401 | medium.Cancelled(() => promise.Cancel()); |
|
417 | medium.Cancelled(() => promise.Cancel()); | |
402 | promise.Then( |
|
418 | promise.Then( | |
403 | x => medium.Resolve(x), |
|
419 | x => medium.Resolve(x), | |
404 | e => medium.Reject(e) |
|
420 | e => medium.Reject(e) | |
405 | ); |
|
421 | ); | |
406 | }; |
|
422 | }; | |
407 |
|
423 | |||
408 | ErrorHandler errorHandler = delegate(Exception e) { |
|
424 | ErrorHandler errorHandler = delegate(Exception e) { | |
409 | if (error != null) |
|
425 | if (error != null) | |
410 | error(e); |
|
426 | error(e); | |
411 | // Π² ΡΠ»ΡΡΠ°Π΅ ΠΎΡΠΈΠ±ΠΊΠΈ Π½ΡΠΆΠ½ΠΎ ΠΏΠ΅ΡΠ΅Π΄Π°ΡΡ ΠΈΡΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅ Π΄Π°Π»ΡΡΠ΅ ΠΏΠΎ ΡΠ΅ΠΏΠΎΡΠΊΠ΅ |
|
427 | // Π² ΡΠ»ΡΡΠ°Π΅ ΠΎΡΠΈΠ±ΠΊΠΈ Π½ΡΠΆΠ½ΠΎ ΠΏΠ΅ΡΠ΅Π΄Π°ΡΡ ΠΈΡΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅ Π΄Π°Π»ΡΡΠ΅ ΠΏΠΎ ΡΠ΅ΠΏΠΎΡΠΊΠ΅ | |
412 | medium.Reject(e); |
|
428 | medium.Reject(e); | |
413 | }; |
|
429 | }; | |
414 |
|
430 | |||
415 | AddHandler( |
|
431 | AddHandler( | |
416 | resultHandler, |
|
432 | resultHandler, | |
417 | errorHandler, |
|
433 | errorHandler, | |
418 | medium.InternalCancel |
|
434 | medium.InternalCancel | |
419 | ); |
|
435 | ); | |
420 |
|
436 | |||
421 | return medium; |
|
437 | return medium; | |
422 | } |
|
438 | } | |
423 |
|
439 | |||
424 | public Promise<TNew> Chain<TNew>(ChainedOperation<T, TNew> chained) { |
|
440 | public Promise<TNew> Chain<TNew>(ChainedOperation<T, TNew> chained) { | |
425 | return Chain(chained, null); |
|
441 | return Chain(chained, null); | |
426 | } |
|
442 | } | |
427 |
|
443 | |||
428 | public Promise<T> Cancelled(Action handler) { |
|
444 | public Promise<T> Cancelled(Action handler) { | |
429 | AddHandler(null, null, handler); |
|
445 | AddHandler(null, null, handler); | |
430 | return this; |
|
446 | return this; | |
431 | } |
|
447 | } | |
432 |
|
448 | |||
|
449 | /// <summary> | |||
|
450 | /// Adds the specified handler for all cases (success, error, cancel) | |||
|
451 | /// </summary> | |||
|
452 | /// <param name="handler">The handler that will be called anyway</param> | |||
|
453 | /// <returns>self</returns> | |||
433 | public Promise<T> Finally(Action handler) { |
|
454 | public Promise<T> Finally(Action handler) { | |
434 | if (handler == null) |
|
455 | if (handler == null) | |
435 | throw new ArgumentNullException("handler"); |
|
456 | throw new ArgumentNullException("handler"); | |
436 | AddHandler( |
|
457 | AddHandler( | |
437 | x => handler(), |
|
458 | x => handler(), | |
438 | e => handler(), |
|
459 | e => handler(), | |
439 | handler |
|
460 | handler | |
440 | ); |
|
461 | ); | |
441 | return this; |
|
462 | return this; | |
442 | } |
|
463 | } | |
443 |
|
464 | |||
444 | /// <summary> |
|
465 | /// <summary> | |
445 | /// ΠΠΎΠΆΠΈΠ΄Π°Π΅ΡΡΡ ΠΎΡΠ»ΠΎΠΆΠ΅Π½Π½ΠΎΠ³ΠΎ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ ΠΈ Π² ΡΠ»ΡΡΠ°Π΅ ΡΡΠΏΠ΅Ρ Π°, Π²ΠΎΠ·Π²ΡΠ°ΡΠ°Π΅Ρ |
|
466 | /// ΠΠΎΠΆΠΈΠ΄Π°Π΅ΡΡΡ ΠΎΡΠ»ΠΎΠΆΠ΅Π½Π½ΠΎΠ³ΠΎ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ ΠΈ Π² ΡΠ»ΡΡΠ°Π΅ ΡΡΠΏΠ΅Ρ Π°, Π²ΠΎΠ·Π²ΡΠ°ΡΠ°Π΅Ρ | |
446 | /// Π΅Π³ΠΎ, ΡΠ΅Π·ΡΠ»ΡΡΠ°Ρ, Π² ΠΏΡΠΎΡΠΈΠ²Π½ΠΎΠΌ ΡΠ»ΡΡΠ°Π΅ Π±ΡΠΎΡΠ°Π΅Ρ ΠΈΡΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅. |
|
467 | /// Π΅Π³ΠΎ, ΡΠ΅Π·ΡΠ»ΡΡΠ°Ρ, Π² ΠΏΡΠΎΡΠΈΠ²Π½ΠΎΠΌ ΡΠ»ΡΡΠ°Π΅ Π±ΡΠΎΡΠ°Π΅Ρ ΠΈΡΠΊΠ»ΡΡΠ΅Π½ΠΈΠ΅. | |
447 | /// </summary> |
|
468 | /// </summary> | |
448 | /// <remarks> |
|
469 | /// <remarks> | |
449 | /// <para> |
|
470 | /// <para> | |
450 | /// ΠΡΠ»ΠΈ ΠΎΠΆΠΈΠ΄Π°Π½ΠΈΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ Π±ΡΠ»ΠΎ ΠΏΡΠ΅ΡΠ²Π°Π½ΠΎ ΠΏΠΎ ΡΠ°ΠΉΠΌΠ°ΡΡΡ, ΡΡΠΎ Π½Π΅ Π·Π½Π°ΡΠΈΡ, |
|
471 | /// ΠΡΠ»ΠΈ ΠΎΠΆΠΈΠ΄Π°Π½ΠΈΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ Π±ΡΠ»ΠΎ ΠΏΡΠ΅ΡΠ²Π°Π½ΠΎ ΠΏΠΎ ΡΠ°ΠΉΠΌΠ°ΡΡΡ, ΡΡΠΎ Π½Π΅ Π·Π½Π°ΡΠΈΡ, | |
451 | /// ΡΡΠΎ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ Π±ΡΠ»ΠΎ ΠΎΡΠΌΠ΅Π½Π΅Π½ΠΎ ΠΈΠ»ΠΈ ΡΡΠΎ-ΡΠΎ Π² ΡΡΠΎΠΌ ΡΠΎΠ΄Π΅, ΡΡΠΎ ΡΠΎΠ»ΡΠΊΠΎ |
|
472 | /// ΡΡΠΎ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ Π±ΡΠ»ΠΎ ΠΎΡΠΌΠ΅Π½Π΅Π½ΠΎ ΠΈΠ»ΠΈ ΡΡΠΎ-ΡΠΎ Π² ΡΡΠΎΠΌ ΡΠΎΠ΄Π΅, ΡΡΠΎ ΡΠΎΠ»ΡΠΊΠΎ | |
452 | /// ΠΎΠ·Π½Π°ΡΠ°Π΅Ρ, ΡΡΠΎ ΠΌΡ Π΅Π³ΠΎ Π½Π΅ Π΄ΠΎΠΆΠ΄Π°Π»ΠΈΡΡ, ΠΎΠ΄Π½Π°ΠΊΠΎ Π²ΡΠ΅ Π·Π°ΡΠ΅Π³ΠΈΡΡΡΠΈΡΠΎΠ²Π°Π½Π½ΡΠ΅ |
|
473 | /// ΠΎΠ·Π½Π°ΡΠ°Π΅Ρ, ΡΡΠΎ ΠΌΡ Π΅Π³ΠΎ Π½Π΅ Π΄ΠΎΠΆΠ΄Π°Π»ΠΈΡΡ, ΠΎΠ΄Π½Π°ΠΊΠΎ Π²ΡΠ΅ Π·Π°ΡΠ΅Π³ΠΈΡΡΡΠΈΡΠΎΠ²Π°Π½Π½ΡΠ΅ | |
453 | /// ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊΠΈ, ΠΊΠ°ΠΊ Π±ΡΠ»ΠΈ ΡΠ°ΠΊ ΠΎΡΡΠ°Π»ΠΈΡΡ ΠΈ ΠΎΠ½ΠΈ Π±ΡΠ΄ΡΡ Π²ΡΠ·Π²Π°Π½Ρ, ΠΊΠΎΠ³Π΄Π° |
|
474 | /// ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊΠΈ, ΠΊΠ°ΠΊ Π±ΡΠ»ΠΈ ΡΠ°ΠΊ ΠΎΡΡΠ°Π»ΠΈΡΡ ΠΈ ΠΎΠ½ΠΈ Π±ΡΠ΄ΡΡ Π²ΡΠ·Π²Π°Π½Ρ, ΠΊΠΎΠ³Π΄Π° | |
454 | /// ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ Π±ΡΠ΄Π΅Ρ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ. |
|
475 | /// ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ Π±ΡΠ΄Π΅Ρ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ. | |
455 | /// </para> |
|
476 | /// </para> | |
456 | /// <para> |
|
477 | /// <para> | |
457 | /// Π’Π°ΠΊΠΎΠ΅ ΠΏΠΎΠ²Π΅Π΄Π΅Π½ΠΈΠ΅ Π²ΠΏΠΎΠ»Π½Π΅ ΠΎΠΏΡΠ°Π²Π΄Π°Π½ΠΎ ΠΏΠΎΡΠΊΠΎΠ»ΡΠΊΡ ΡΠ°ΠΉΠΌΠ°ΡΡ ΠΌΠΎΠΆΠ΅Ρ ΠΈΡΡΠ΅ΡΡ |
|
478 | /// Π’Π°ΠΊΠΎΠ΅ ΠΏΠΎΠ²Π΅Π΄Π΅Π½ΠΈΠ΅ Π²ΠΏΠΎΠ»Π½Π΅ ΠΎΠΏΡΠ°Π²Π΄Π°Π½ΠΎ ΠΏΠΎΡΠΊΠΎΠ»ΡΠΊΡ ΡΠ°ΠΉΠΌΠ°ΡΡ ΠΌΠΎΠΆΠ΅Ρ ΠΈΡΡΠ΅ΡΡ | |
458 | /// Π² ΡΠΎΡ ΠΌΠΎΠΌΠ΅Π½Ρ, ΠΊΠΎΠ³Π΄Π° Π½Π°ΡΠ°Π»Π°ΡΡ ΠΎΠ±ΡΠ°Π±ΠΎΡΠΊΠ° ΡΠ΅ΠΏΠΎΡΠΊΠΈ ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊΠΎΠ², ΠΈ |
|
479 | /// Π² ΡΠΎΡ ΠΌΠΎΠΌΠ΅Π½Ρ, ΠΊΠΎΠ³Π΄Π° Π½Π°ΡΠ°Π»Π°ΡΡ ΠΎΠ±ΡΠ°Π±ΠΎΡΠΊΠ° ΡΠ΅ΠΏΠΎΡΠΊΠΈ ΠΎΠ±ΡΠ°Π±ΠΎΡΡΠΈΠΊΠΎΠ², ΠΈ | |
459 | /// ΠΊ ΡΠΎΠΌΡ ΠΆΠ΅ ΡΠ΅ΠΊΡΡΠ΅Π΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ ΠΌΠΎΠΆΠ΅Ρ ΡΡΠΎΡΡΡ Π² ΡΠ΅ΠΏΠΎΡΠΊΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠΉ ΠΈ Π΅Π³ΠΎ |
|
480 | /// ΠΊ ΡΠΎΠΌΡ ΠΆΠ΅ ΡΠ΅ΠΊΡΡΠ΅Π΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ ΠΌΠΎΠΆΠ΅Ρ ΡΡΠΎΡΡΡ Π² ΡΠ΅ΠΏΠΎΡΠΊΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠΉ ΠΈ Π΅Π³ΠΎ | |
460 | /// ΠΎΡΠΊΠ»ΠΎΠ½Π΅Π½ΠΈΠ΅ ΠΌΠΎΠΆΠ΅Ρ ΠΏΡΠΈΠ²Π΅ΡΡΠΈ ΠΊ Π½Π΅ΠΏΡΠΎΠ³Π½ΠΎΠ·ΠΈΡΡΠ΅ΠΌΠΎΠΌΡ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ. |
|
481 | /// ΠΎΡΠΊΠ»ΠΎΠ½Π΅Π½ΠΈΠ΅ ΠΌΠΎΠΆΠ΅Ρ ΠΏΡΠΈΠ²Π΅ΡΡΠΈ ΠΊ Π½Π΅ΠΏΡΠΎΠ³Π½ΠΎΠ·ΠΈΡΡΠ΅ΠΌΠΎΠΌΡ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ. | |
461 | /// </para> |
|
482 | /// </para> | |
462 | /// </remarks> |
|
483 | /// </remarks> | |
463 | /// <param name="timeout">ΠΡΠ΅ΠΌΡ ΠΎΠΆΠΈΠ΄Π°Π½ΠΈΡ</param> |
|
484 | /// <param name="timeout">ΠΡΠ΅ΠΌΡ ΠΎΠΆΠΈΠ΄Π°Π½ΠΈΡ</param> | |
464 | /// <returns>Π Π΅Π·ΡΠ»ΡΡΠ°Ρ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ</returns> |
|
485 | /// <returns>Π Π΅Π·ΡΠ»ΡΡΠ°Ρ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΈΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ</returns> | |
465 | public T Join(int timeout) { |
|
486 | public T Join(int timeout) { | |
466 | var evt = new ManualResetEvent(false); |
|
487 | var evt = new ManualResetEvent(false); | |
467 | Anyway(() => evt.Set()); |
|
488 | Anyway(() => evt.Set()); | |
468 | Cancelled(() => evt.Set()); |
|
489 | Cancelled(() => evt.Set()); | |
469 |
|
490 | |||
470 | if (!evt.WaitOne(timeout, true)) |
|
491 | if (!evt.WaitOne(timeout, true)) | |
471 | throw new TimeoutException(); |
|
492 | throw new TimeoutException(); | |
472 |
|
493 | |||
473 | switch (m_state) { |
|
494 | switch (m_state) { | |
474 |
case |
|
495 | case SucceededState: | |
475 | return m_result; |
|
496 | return m_result; | |
476 | case CancelledState: |
|
497 | case CancelledState: | |
477 | throw new OperationCanceledException(); |
|
498 | throw new OperationCanceledException(); | |
478 | case RejectedState: |
|
499 | case RejectedState: | |
479 | throw new TargetInvocationException(m_error); |
|
500 | throw new TargetInvocationException(m_error); | |
480 | default: |
|
501 | default: | |
481 | throw new ApplicationException(String.Format("Invalid promise state {0}", m_state)); |
|
502 | throw new ApplicationException(String.Format("Invalid promise state {0}", m_state)); | |
482 | } |
|
503 | } | |
483 | } |
|
504 | } | |
484 |
|
505 | |||
485 | public T Join() { |
|
506 | public T Join() { | |
486 | return Join(Timeout.Infinite); |
|
507 | return Join(Timeout.Infinite); | |
487 | } |
|
508 | } | |
488 |
|
509 | |||
489 | void AddHandler(ResultHandler<T> success, ErrorHandler error, Action cancel) { |
|
510 | void AddHandler(ResultHandler<T> success, ErrorHandler error, Action cancel) { | |
490 | Interlocked.Increment(ref m_childrenCount); |
|
511 | Interlocked.Increment(ref m_childrenCount); | |
491 |
|
512 | |||
492 | HandlerDescriptor handler = new HandlerDescriptor { |
|
513 | HandlerDescriptor handler = new HandlerDescriptor { | |
493 | resultHandler = success, |
|
514 | resultHandler = success, | |
494 | errorHandler = error, |
|
515 | errorHandler = error, | |
495 | cancellHandler = cancel |
|
516 | cancellHandler = cancel | |
496 | }; |
|
517 | }; | |
497 |
|
518 | |||
498 | bool queued; |
|
519 | bool queued; | |
499 |
|
520 | |||
500 | if (!IsResolved) { |
|
521 | if (!IsResolved) { | |
501 | m_handlers.Enqueue(handler); |
|
522 | m_handlers.Enqueue(handler); | |
502 | queued = true; |
|
523 | queued = true; | |
503 | } else { |
|
524 | } else { | |
504 | // the promise is in resolved state, just invoke the handled with minimum overhead |
|
525 | // the promise is in resolved state, just invoke the handled with minimum overhead | |
505 | queued = false; |
|
526 | queued = false; | |
506 | InvokeHandler(handler); |
|
527 | InvokeHandler(handler); | |
507 | } |
|
528 | } | |
508 |
|
529 | |||
509 | if (queued && IsResolved && m_handlers.TryDequeue(out handler)) |
|
530 | if (queued && IsResolved && m_handlers.TryDequeue(out handler)) | |
510 | // if the promise have been resolved while we was adding handler to the queue |
|
531 | // if the promise have been resolved while we was adding handler to the queue | |
511 | // we can't guarantee that someone is still processing it |
|
532 | // we can't guarantee that someone is still processing it | |
512 | // therefore we will fetch a handler from the queue and execute it |
|
533 | // therefore we will fetch a handler from the queue and execute it | |
513 | // note that fetched handler may be not the one we have added |
|
534 | // note that fetched handler may be not the one we have added | |
514 | InvokeHandler(handler); |
|
535 | InvokeHandler(handler); | |
515 |
|
536 | |||
516 | } |
|
537 | } | |
517 |
|
538 | |||
518 | void InvokeHandler(HandlerDescriptor handler) { |
|
539 | void InvokeHandler(HandlerDescriptor handler) { | |
519 | switch (m_state) { |
|
540 | switch (m_state) { | |
520 |
case |
|
541 | case SucceededState: | |
521 | handler.Resolve(m_result); |
|
542 | handler.Resolve(m_result); | |
522 | break; |
|
543 | break; | |
523 | case RejectedState: |
|
544 | case RejectedState: | |
524 | handler.Reject(m_error); |
|
545 | handler.Reject(m_error); | |
525 | break; |
|
546 | break; | |
526 | case CancelledState: |
|
547 | case CancelledState: | |
527 | handler.Cancel(); |
|
548 | handler.Cancel(); | |
528 | break; |
|
549 | break; | |
529 | default: |
|
550 | default: | |
530 | // do nothing |
|
551 | // do nothing | |
531 | return; |
|
552 | return; | |
532 | } |
|
553 | } | |
533 | } |
|
554 | } | |
534 |
|
555 | |||
535 | protected virtual void OnStateChanged() { |
|
556 | protected virtual void OnStateChanged() { | |
536 | HandlerDescriptor handler; |
|
557 | HandlerDescriptor handler; | |
537 | while (m_handlers.TryDequeue(out handler)) |
|
558 | while (m_handlers.TryDequeue(out handler)) | |
538 | InvokeHandler(handler); |
|
559 | InvokeHandler(handler); | |
539 | } |
|
560 | } | |
540 |
|
561 | |||
541 |
|
||||
542 |
|
||||
543 | public bool IsExclusive { |
|
562 | public bool IsExclusive { | |
544 | get { |
|
563 | get { | |
545 | return m_childrenCount <= 1; |
|
564 | return m_childrenCount <= 1; | |
546 | } |
|
565 | } | |
547 | } |
|
566 | } | |
548 |
|
567 | |||
549 | protected bool Cancel(bool dependencies) { |
|
568 | protected bool Cancel(bool dependencies) { | |
550 | if (BeginTransit()) { |
|
569 | if (BeginTransit()) { | |
551 | CompleteTransit(CancelledState); |
|
570 | CompleteTransit(CancelledState); | |
552 | OnStateChanged(); |
|
571 | OnStateChanged(); | |
553 |
|
572 | |||
554 | if (dependencies && m_parent != null && m_parent.IsExclusive) |
|
573 | if (dependencies && m_parent != null && m_parent.IsExclusive) | |
555 | m_parent.Cancel(); |
|
574 | m_parent.Cancel(); | |
556 |
|
575 | |||
557 | return true; |
|
576 | return true; | |
558 | } else { |
|
577 | } else { | |
559 | return false; |
|
578 | return false; | |
560 | } |
|
579 | } | |
561 | } |
|
580 | } | |
562 |
|
581 | |||
|
582 | /// <summary> | |||
|
583 | /// ΠΠ±ΡΠ΅Π΄ΠΈΠ½ΡΠ΅Ρ Π½Π΅ΡΠΊΠΎΠ»ΡΠΊΠΎ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠΉ Π² ΠΎΠ΄Π½ΠΎ, ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠΌ ΠΊΠΎΡΠΎΡΠΎΠ³ΠΎ ΡΠ²Π»ΡΠ΅ΡΡΡ ΠΌΠ°ΡΡΠΈΠ² ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ² Π΄ΡΡΠ³ΠΈΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠΉ. | |||
|
584 | /// ΠΡΠ»ΠΈ Ρ ΠΎΡΡΠ±Ρ ΠΎΠ΄Π½ΠΎ ΠΈΠ· ΠΏΠ΅ΡΠ΅Π΄Π°Π½Π½ΡΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠΉ Π½Π΅ Π±ΡΠ΄Π΅Ρ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ, ΡΠΎ Π½ΠΎΠ²ΠΎΠ΅ ΠΎΠ±Π΅ΡΠ΅Π½ΠΈΠ΅ ΡΠΎΠΆΠ΅ Π½Π΅ Π±ΡΠ΄Π΅Ρ Π²ΡΠΏΠΎΠ»Π½Π΅Π½ΠΎ. | |||
|
585 | /// ΠΡΠΈ ΠΎΡΠΌΠ΅Π½Π΅ Π½ΠΎΠ²ΠΎΠ³ΠΎ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ, ΠΏΠ΅ΡΠ΅Π΄Π°Π½Π½ΡΠ΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΡ ΡΠ°ΠΊΠΆΠ΅ Π±ΡΠ΄ΡΡ ΠΎΡΠΌΠ΅Π½Π΅Π½Ρ, Π΅ΡΠ»ΠΈ Π½ΠΈΠΊΡΠΎ Π±ΠΎΠ»ΡΡΠ΅ Π½Π° Π½ΠΈΡ Π½Π΅ ΠΏΠΎΠ΄ΠΏΠΈΡΠ°Π½. | |||
|
586 | /// </summary> | |||
|
587 | /// <param name="promises">Π‘ΠΏΠΈΡΠΎΠΊ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠΉ. ΠΡΠ»ΠΈ ΡΠΏΠΈΡΠΎΠΊ ΠΏΡΡΡΠΎΠΉ, ΡΠΎ ΡΠ΅Π·ΡΠ»ΡΡΠΈΡΡΡΡΠ΅Π΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ Π²ΠΎΠ·Π²ΡΠ°ΡΠ°Π΅ΡΡΡ ΡΠΆΠ΅ Π²ΡΠΏΠΎΠ»Π½Π΅Π½Π½ΡΠΌ.</param> | |||
|
588 | /// <returns>ΠΠ±Π΅ΡΠ°Π½ΠΈΠ΅ ΠΎΠ±ΡΠ΅Π΄ΠΈΠ½ΡΡΡΠ΅Π΅ Π² ΡΠ΅Π±Π΅ ΡΠ΅Π·ΡΠ»ΡΡΠ°Ρ ΠΏΠ΅ΡΠ΅Π΄Π°Π½Π½ΡΡ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠΉ.</returns> | |||
|
589 | /// <exception cref="ArgumentNullException"><paramref name="promises"/> Π½Π΅ ΠΌΠΎΠΆΠ΅Ρ Π±ΡΡΡ null</exception> | |||
|
590 | public static Promise<T[]> CreateComposite(IList<Promise<T>> promises) { | |||
|
591 | if (promises == null) | |||
|
592 | throw new ArgumentNullException(); | |||
|
593 | ||||
|
594 | // ΡΠΎΠ·Π΄Π°Π΅ΠΌ Π°ΠΊΠΊΡΠΌΡΠ»ΡΡΠΎΡ Π΄Π»Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ² ΠΈ ΡΠ΅Π·ΡΠ»ΡΡΠΈΡΡΡΡΠ΅Π΅ ΠΎΠ±Π΅ΡΠ°Π½ΠΈΠ΅ | |||
|
595 | var result = new T[promises.Count]; | |||
|
596 | var promise = new Promise<T[]>(); | |||
|
597 | ||||
|
598 | // special case | |||
|
599 | if (promises.Count == 0) { | |||
|
600 | promise.Resolve(result); | |||
|
601 | return promise; | |||
|
602 | } | |||
|
603 | ||||
|
604 | int pending = promises.Count; | |||
|
605 | ||||
|
606 | for (int i = 0; i < promises.Count; i++) { | |||
|
607 | var dest = i; | |||
|
608 | ||||
|
609 | promises[i].Then( | |||
|
610 | x => { | |||
|
611 | result[dest] = x; | |||
|
612 | if(Interlocked.Decrement(ref pending) == 0) | |||
|
613 | promise.Resolve(result); | |||
|
614 | }, | |||
|
615 | e => promise.Reject(e) | |||
|
616 | ); | |||
|
617 | } | |||
|
618 | ||||
|
619 | promise.Cancelled( | |||
|
620 | () => { | |||
|
621 | foreach(var d in promises) | |||
|
622 | if(d.IsExclusive) | |||
|
623 | d.Cancel(); | |||
|
624 | } | |||
|
625 | ); | |||
|
626 | ||||
|
627 | return promise; | |||
|
628 | } | |||
|
629 | ||||
|
630 | public static Promise<T> ResultToPromise(T result) { | |||
|
631 | var p = new Promise<T>(); | |||
|
632 | p.Resolve(result); | |||
|
633 | return p; | |||
|
634 | } | |||
|
635 | ||||
|
636 | public static Promise<T> ExceptionToPromise(Exception error) { | |||
|
637 | if (error == null) | |||
|
638 | throw new ArgumentNullException(); | |||
|
639 | ||||
|
640 | var p = new Promise<T>(); | |||
|
641 | p.Reject(error); | |||
|
642 | return p; | |||
|
643 | } | |||
|
644 | ||||
563 | } |
|
645 | } | |
564 | } |
|
646 | } |
@@ -1,132 +1,140 | |||||
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.Threading; |
|
5 | using System.Threading; | |
6 |
|
6 | |||
7 | namespace Implab |
|
7 | namespace Implab | |
8 | { |
|
8 | { | |
9 | /// <summary> |
|
9 | /// <summary> | |
10 | /// This class allows to interact with asyncronuos task. |
|
10 | /// This class allows to interact with asyncronuos task. | |
11 | /// </summary> |
|
11 | /// </summary> | |
12 | /// <remarks> |
|
12 | /// <remarks> | |
13 | /// Members of this object are thread safe. |
|
13 | /// Members of this object are thread safe. | |
14 | /// </remarks> |
|
14 | /// </remarks> | |
15 |
class TaskController: IProgressNotifier, ITaskController |
|
15 | public class TaskController: IProgressNotifier, ITaskController | |
16 | { |
|
16 | { | |
17 | readonly object m_lock; |
|
17 | readonly object m_lock; | |
18 | string m_message; |
|
18 | string m_message; | |
19 |
|
19 | |||
20 | float m_current; |
|
20 | float m_current; | |
21 | float m_max; |
|
21 | float m_max; | |
22 |
|
22 | |||
23 | bool m_cancelled; |
|
23 | bool m_cancelled; | |
24 |
|
24 | |||
|
25 | public event EventHandler Cancelled; | |||
25 | public event EventHandler<ValueEventArgs<string>> MessageUpdated; |
|
26 | public event EventHandler<ValueEventArgs<string>> MessageUpdated; | |
26 | public event EventHandler<ValueEventArgs<float>> ProgressUpdated; |
|
27 | public event EventHandler<ValueEventArgs<float>> ProgressUpdated; | |
27 | public event EventHandler<ProgressInitEventArgs> ProgressInit; |
|
28 | public event EventHandler<ProgressInitEventArgs> ProgressInit; | |
28 |
|
29 | |||
29 | public TaskController() |
|
30 | public TaskController() | |
30 | { |
|
31 | { | |
31 | m_lock = new Object(); |
|
32 | m_lock = new Object(); | |
32 | } |
|
33 | } | |
33 |
|
34 | |||
34 | public string Message |
|
35 | public string Message | |
35 | { |
|
36 | { | |
36 | get |
|
37 | get | |
37 | { |
|
38 | { | |
38 | lock (m_lock) |
|
39 | lock (m_lock) | |
39 | return m_message; |
|
40 | return m_message; | |
40 | } |
|
41 | } | |
41 | set |
|
42 | set | |
42 | { |
|
43 | { | |
43 | lock (m_lock) |
|
44 | lock (m_lock) | |
44 | { |
|
45 | { | |
45 | m_message = value; |
|
46 | m_message = value; | |
46 | OnMessageUpdated(); |
|
47 | OnMessageUpdated(); | |
47 | } |
|
48 | } | |
48 | } |
|
49 | } | |
49 | } |
|
50 | } | |
50 |
|
51 | |||
51 | public float CurrentProgress |
|
52 | public float CurrentProgress | |
52 | { |
|
53 | { | |
53 | get |
|
54 | get | |
54 | { |
|
55 | { | |
55 | lock (m_lock) |
|
56 | lock (m_lock) | |
56 | return m_current; |
|
57 | return m_current; | |
57 | } |
|
58 | } | |
58 | set |
|
59 | set | |
59 | { |
|
60 | { | |
60 | lock (m_lock) |
|
61 | lock (m_lock) | |
61 | { |
|
62 | { | |
62 | var prev = m_current; |
|
63 | var prev = m_current; | |
63 | m_current = value; |
|
64 | m_current = value; | |
64 | if (m_current >= m_max) |
|
65 | if (m_current >= m_max) | |
65 | m_current = m_max; |
|
66 | m_current = m_max; | |
66 | if (m_current != prev) |
|
67 | if (m_current != prev) | |
67 | OnProgressUpdated(); |
|
68 | OnProgressUpdated(); | |
68 | } |
|
69 | } | |
69 | } |
|
70 | } | |
70 | } |
|
71 | } | |
71 |
|
72 | |||
72 | public void InitProgress(float current, float max, string message) |
|
73 | public void InitProgress(float current, float max, string message) | |
73 | { |
|
74 | { | |
74 | if (max < 0) |
|
75 | if (max < 0) | |
75 | throw new ArgumentOutOfRangeException("max"); |
|
76 | throw new ArgumentOutOfRangeException("max"); | |
76 | if (current < 0 || current > max) |
|
77 | if (current < 0 || current > max) | |
77 | throw new ArgumentOutOfRangeException("current"); |
|
78 | throw new ArgumentOutOfRangeException("current"); | |
78 |
|
79 | |||
79 | lock(m_lock) { |
|
80 | lock(m_lock) { | |
80 | m_current = current; |
|
81 | m_current = current; | |
81 | m_max = max; |
|
82 | m_max = max; | |
82 | m_message = message; |
|
83 | m_message = message; | |
83 | OnProgressInit(); |
|
84 | OnProgressInit(); | |
84 | } |
|
85 | } | |
85 | } |
|
86 | } | |
86 |
|
87 | |||
87 | public bool Cancelled { |
|
88 | public bool IsCancelled { | |
88 | get { |
|
89 | get { | |
89 | lock (m_lock) |
|
90 | lock (m_lock) | |
90 | return m_cancelled; |
|
91 | return m_cancelled; | |
91 | } |
|
92 | } | |
92 | } |
|
93 | } | |
93 |
|
94 | |||
94 | public bool Cancel() { |
|
95 | public bool Cancel() { | |
95 | lock (m_lock) { |
|
96 | lock (m_lock) { | |
96 | if (!m_cancelled) { |
|
97 | if (!m_cancelled) { | |
97 | m_cancelled = true; |
|
98 | m_cancelled = true; | |
98 | return true; |
|
99 | return true; | |
99 | } else { |
|
100 | } else { | |
100 | return false; |
|
101 | return false; | |
101 | } |
|
102 | } | |
102 | } |
|
103 | } | |
103 | } |
|
104 | } | |
104 |
|
105 | |||
|
106 | protected virtual void OnCancelled() { | |||
|
107 | var temp = Cancelled; | |||
|
108 | if (temp != null) { | |||
|
109 | temp(this,new EventArgs()); | |||
|
110 | } | |||
|
111 | } | |||
|
112 | ||||
105 | protected virtual void OnMessageUpdated() |
|
113 | protected virtual void OnMessageUpdated() | |
106 | { |
|
114 | { | |
107 | var temp = MessageUpdated; |
|
115 | var temp = MessageUpdated; | |
108 | if (temp != null) |
|
116 | if (temp != null) | |
109 | { |
|
117 | { | |
110 | temp(this, new ValueEventArgs<string>(m_message)); |
|
118 | temp(this, new ValueEventArgs<string>(m_message)); | |
111 | } |
|
119 | } | |
112 | } |
|
120 | } | |
113 |
|
121 | |||
114 | protected virtual void OnProgressUpdated() |
|
122 | protected virtual void OnProgressUpdated() | |
115 | { |
|
123 | { | |
116 | var temp = ProgressUpdated; |
|
124 | var temp = ProgressUpdated; | |
117 | if (temp != null) |
|
125 | if (temp != null) | |
118 | { |
|
126 | { | |
119 | temp(this,new ValueEventArgs<float>(m_current)); |
|
127 | temp(this,new ValueEventArgs<float>(m_current)); | |
120 | } |
|
128 | } | |
121 | } |
|
129 | } | |
122 |
|
130 | |||
123 | protected virtual void OnProgressInit() |
|
131 | protected virtual void OnProgressInit() | |
124 | { |
|
132 | { | |
125 | var temp = ProgressInit; |
|
133 | var temp = ProgressInit; | |
126 | if (temp != null) |
|
134 | if (temp != null) | |
127 | { |
|
135 | { | |
128 | temp(this, new ProgressInitEventArgs(m_current,m_max, m_message)); |
|
136 | temp(this, new ProgressInitEventArgs(m_current,m_max, m_message)); | |
129 | } |
|
137 | } | |
130 | } |
|
138 | } | |
131 | } |
|
139 | } | |
132 | } |
|
140 | } |
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