Auto status change to "Under Review"
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1 | using System; | |
|
2 | using System.Reflection; | |
|
3 | using System.Threading; | |
|
4 | using Implab.Parallels; | |
|
5 | using Implab.Components; | |
|
6 | ||
|
7 | #if MONO | |
|
8 | ||
|
9 | using NUnit.Framework; | |
|
10 | using TestClassAttribute = NUnit.Framework.TestFixtureAttribute; | |
|
11 | using TestMethodAttribute = NUnit.Framework.TestAttribute; | |
|
12 | using AssertFailedException = NUnit.Framework.AssertionException; | |
|
13 | #else | |
|
14 | ||
|
15 | using Microsoft.VisualStudio.TestTools.UnitTesting; | |
|
16 | ||
|
17 | #endif | |
|
18 | namespace Implab.Fx.Test { | |
|
19 | [TestClass] | |
|
20 | public class StaApartmentTests { | |
|
21 | [TestMethod] | |
|
22 | public void CreateDestroyApartment() { | |
|
23 | var apartment = new StaApartment(); | |
|
24 | try { | |
|
25 | Assert.IsNotNull(apartment.SyncContext); | |
|
26 | Assert.Fail(); | |
|
27 | } catch (InvalidOperationException) { | |
|
28 | // OK | |
|
29 | } | |
|
30 | ||
|
31 | apartment.Start().Join(); | |
|
32 | Assert.AreEqual(apartment.State, ExecutionState.Running); | |
|
33 | ||
|
34 | Assert.IsNotNull(apartment.SyncContext); | |
|
35 | apartment.Stop().Join(); | |
|
36 | ||
|
37 | Assert.IsTrue(apartment.State == ExecutionState.Disposed); | |
|
38 | } | |
|
39 | ||
|
40 | [TestMethod] | |
|
41 | public void InvokeInApartment() { | |
|
42 | var apartment = new StaApartment(); | |
|
43 | ||
|
44 | apartment.Start().Join(); | |
|
45 | ||
|
46 | var apType = apartment.Invoke(() => { return Thread.CurrentThread.GetApartmentState(); }).Join(); | |
|
47 | Assert.AreEqual(apType, ApartmentState.STA); | |
|
48 | ||
|
49 | apartment.Stop().Join(); | |
|
50 | } | |
|
51 | } | |
|
52 | } |
@@ -0,0 +1,188 | |||
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1 | using Implab.Components; | |
|
2 | using Implab.Diagnostics; | |
|
3 | using Implab.Parallels; | |
|
4 | using System; | |
|
5 | using System.Collections.Generic; | |
|
6 | using System.Linq; | |
|
7 | using System.Text; | |
|
8 | using System.Threading; | |
|
9 | using System.Threading.Tasks; | |
|
10 | using System.Windows.Forms; | |
|
11 | ||
|
12 | namespace Implab.Fx { | |
|
13 | public class StaApartment : RunnableComponent { | |
|
14 | readonly Thread m_worker; | |
|
15 | SynchronizationContext m_syncContext; | |
|
16 | readonly Promise m_threadStarted; | |
|
17 | readonly Promise m_threadTerminated; | |
|
18 | ||
|
19 | public StaApartment() : base(true) { | |
|
20 | m_threadStarted = new Promise(); | |
|
21 | m_threadTerminated = new Promise(); | |
|
22 | ||
|
23 | m_worker = new Thread(WorkerEntry); | |
|
24 | m_worker.SetApartmentState(ApartmentState.STA); | |
|
25 | m_worker.IsBackground = true; | |
|
26 | m_worker.Name = "STA managed aparment"; | |
|
27 | } | |
|
28 | ||
|
29 | public SynchronizationContext SyncContext { | |
|
30 | get { | |
|
31 | if (m_syncContext == null) | |
|
32 | throw new InvalidOperationException(); | |
|
33 | return m_syncContext; | |
|
34 | } | |
|
35 | } | |
|
36 | ||
|
37 | public IPromise Invoke(Action<ICancellationToken> action) { | |
|
38 | Safe.ArgumentNotNull(action, "action"); | |
|
39 | ||
|
40 | if (m_syncContext == null) | |
|
41 | throw new InvalidOperationException(); | |
|
42 | var p = new Promise(); | |
|
43 | var lop = TraceContext.Instance.CurrentOperation; | |
|
44 | ||
|
45 | m_syncContext.Post(x => { | |
|
46 | TraceContext.Instance.EnterLogicalOperation(lop, false); | |
|
47 | try { | |
|
48 | if (p.CancelOperationIfRequested()) | |
|
49 | return; | |
|
50 | ||
|
51 | action(p); | |
|
52 | p.Resolve(); | |
|
53 | } catch (Exception e) { | |
|
54 | p.Reject(e); | |
|
55 | } finally { | |
|
56 | TraceContext.Instance.Leave(); | |
|
57 | } | |
|
58 | }, null); | |
|
59 | ||
|
60 | return p; | |
|
61 | } | |
|
62 | ||
|
63 | public IPromise<T> Invoke<T>(Func<ICancellationToken, T> action) { | |
|
64 | Safe.ArgumentNotNull(action, "action"); | |
|
65 | ||
|
66 | if (m_syncContext == null) | |
|
67 | throw new InvalidOperationException(); | |
|
68 | var p = new Promise<T>(); | |
|
69 | var lop = TraceContext.Instance.CurrentOperation; | |
|
70 | ||
|
71 | m_syncContext.Post(x => { | |
|
72 | TraceContext.Instance.EnterLogicalOperation(lop, false); | |
|
73 | try { | |
|
74 | if (p.CancelOperationIfRequested()) | |
|
75 | return; | |
|
76 | p.Resolve(action(p)); | |
|
77 | } catch (Exception e) { | |
|
78 | p.Reject(e); | |
|
79 | } finally { | |
|
80 | TraceContext.Instance.Leave(); | |
|
81 | } | |
|
82 | }, null); | |
|
83 | ||
|
84 | return p; | |
|
85 | } | |
|
86 | ||
|
87 | public IPromise Invoke(Action action) { | |
|
88 | Safe.ArgumentNotNull(action, "action"); | |
|
89 | ||
|
90 | if (m_syncContext == null) | |
|
91 | throw new InvalidOperationException(); | |
|
92 | var p = new Promise(); | |
|
93 | var lop = TraceContext.Instance.CurrentOperation; | |
|
94 | ||
|
95 | m_syncContext.Post(x => { | |
|
96 | TraceContext.Instance.EnterLogicalOperation(lop, false); | |
|
97 | try { | |
|
98 | if (p.CancelOperationIfRequested()) | |
|
99 | return; | |
|
100 | action(); | |
|
101 | p.Resolve(); | |
|
102 | } catch (Exception e) { | |
|
103 | p.Reject(e); | |
|
104 | } finally { | |
|
105 | TraceContext.Instance.Leave(); | |
|
106 | } | |
|
107 | }, null); | |
|
108 | ||
|
109 | return p; | |
|
110 | } | |
|
111 | ||
|
112 | public IPromise<T> Invoke<T>(Func<T> action) { | |
|
113 | Safe.ArgumentNotNull(action, "action"); | |
|
114 | ||
|
115 | if (m_syncContext == null) | |
|
116 | throw new InvalidOperationException(); | |
|
117 | var p = new Promise<T>(); | |
|
118 | var lop = TraceContext.Instance.CurrentOperation; | |
|
119 | ||
|
120 | m_syncContext.Post(x => { | |
|
121 | TraceContext.Instance.EnterLogicalOperation(lop, false); | |
|
122 | try { | |
|
123 | if (p.CancelOperationIfRequested()) | |
|
124 | return; | |
|
125 | p.Resolve(action()); | |
|
126 | } catch (Exception e) { | |
|
127 | p.Reject(e); | |
|
128 | } finally { | |
|
129 | TraceContext.Instance.Leave(); | |
|
130 | } | |
|
131 | }, null); | |
|
132 | ||
|
133 | return p; | |
|
134 | } | |
|
135 | ||
|
136 | ||
|
137 | /// <summary> | |
|
138 | /// Starts the apartment thread | |
|
139 | /// </summary> | |
|
140 | /// <returns>Promise which will be fullfiled when the syncronization | |
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141 | /// context will be ready to accept tasks.</returns> | |
|
142 | protected override IPromise OnStart() { | |
|
143 | m_worker.Start(); | |
|
144 | return m_threadStarted; | |
|
145 | } | |
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146 | ||
|
147 | /// <summary> | |
|
148 | /// Posts quit message to the message loop of the apartment | |
|
149 | /// </summary> | |
|
150 | /// <returns>Promise</returns> | |
|
151 | protected override IPromise OnStop() { | |
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152 | m_syncContext.Post(x => Application.ExitThread(), null); | |
|
153 | return m_threadTerminated; | |
|
154 | } | |
|
155 | ||
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156 | void WorkerEntry() { | |
|
157 | m_syncContext = new WindowsFormsSynchronizationContext(); | |
|
158 | SynchronizationContext.SetSynchronizationContext(m_syncContext); | |
|
159 | ||
|
160 | m_threadStarted.Resolve(); | |
|
161 | ||
|
162 | Application.OleRequired(); | |
|
163 | Application.Run(); | |
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164 | ||
|
165 | try { | |
|
166 | OnShutdown(); | |
|
167 | m_threadTerminated.Resolve(); | |
|
168 | } catch(Exception err) { | |
|
169 | m_threadTerminated.Reject(err); | |
|
170 | } | |
|
171 | } | |
|
172 | ||
|
173 | /// <summary> | |
|
174 | /// Called from the STA apartment after the message loop is terminated, override this | |
|
175 | /// method to handle apartment cleanup. | |
|
176 | /// </summary> | |
|
177 | protected virtual void OnShutdown() { | |
|
178 | } | |
|
179 | ||
|
180 | protected override void Dispose(bool disposing) { | |
|
181 | if (disposing) { | |
|
182 | if (!m_threadTerminated.IsResolved) | |
|
183 | m_syncContext.Post(x => Application.ExitThread(), null); | |
|
184 | } | |
|
185 | base.Dispose(disposing); | |
|
186 | } | |
|
187 | } | |
|
188 | } |
@@ -1,114 +1,115 | |||
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1 | 1 | ο»Ώ<?xml version="1.0" encoding="utf-8"?> |
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2 | 2 | <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> |
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3 | 3 | <PropertyGroup> |
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4 | 4 | <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> |
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5 | 5 | <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> |
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6 | 6 | <ProductVersion>8.0.30703</ProductVersion> |
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7 | 7 | <SchemaVersion>2.0</SchemaVersion> |
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8 | 8 | <ProjectGuid>{2F31E405-E267-4195-A05D-574093C21209}</ProjectGuid> |
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9 | 9 | <OutputType>Library</OutputType> |
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10 | 10 | <AppDesignerFolder>Properties</AppDesignerFolder> |
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11 | 11 | <RootNamespace>Implab.Fx.Test</RootNamespace> |
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12 | 12 | <AssemblyName>Implab.Fx.Test</AssemblyName> |
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13 | 13 | <TargetFrameworkVersion>v4.5</TargetFrameworkVersion> |
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14 | 14 | <FileAlignment>512</FileAlignment> |
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15 | 15 | <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids> |
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16 | 16 | <TargetFrameworkProfile /> |
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17 | 17 | </PropertyGroup> |
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18 | 18 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> |
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19 | 19 | <DebugSymbols>true</DebugSymbols> |
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20 | 20 | <DebugType>full</DebugType> |
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21 | 21 | <Optimize>false</Optimize> |
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22 | 22 | <OutputPath>bin\Debug\</OutputPath> |
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23 | 23 | <DefineConstants>DEBUG;TRACE</DefineConstants> |
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24 | 24 | <ErrorReport>prompt</ErrorReport> |
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25 | 25 | <WarningLevel>4</WarningLevel> |
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26 | 26 | <Prefer32Bit>false</Prefer32Bit> |
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27 | 27 | </PropertyGroup> |
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28 | 28 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> |
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29 | 29 | <DebugType>pdbonly</DebugType> |
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30 | 30 | <Optimize>true</Optimize> |
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31 | 31 | <OutputPath>bin\Release\</OutputPath> |
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32 | 32 | <DefineConstants>TRACE</DefineConstants> |
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33 | 33 | <ErrorReport>prompt</ErrorReport> |
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34 | 34 | <WarningLevel>4</WarningLevel> |
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35 | 35 | <Prefer32Bit>false</Prefer32Bit> |
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36 | 36 | </PropertyGroup> |
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37 | 37 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug 4.5|AnyCPU' "> |
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38 | 38 | <DebugSymbols>true</DebugSymbols> |
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39 | 39 | <DebugType>full</DebugType> |
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40 | 40 | <Optimize>false</Optimize> |
|
41 | 41 | <OutputPath>bin\Debug\</OutputPath> |
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42 | 42 | <DefineConstants>DEBUG;TRACE</DefineConstants> |
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43 | 43 | <ErrorReport>prompt</ErrorReport> |
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44 | 44 | <WarningLevel>4</WarningLevel> |
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45 | 45 | <Prefer32Bit>false</Prefer32Bit> |
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46 | 46 | </PropertyGroup> |
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47 | 47 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release 4.5|AnyCPU' "> |
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48 | 48 | <DebugType>pdbonly</DebugType> |
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49 | 49 | <Optimize>true</Optimize> |
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50 | 50 | <OutputPath>bin\Release\</OutputPath> |
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51 | 51 | <DefineConstants>TRACE</DefineConstants> |
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52 | 52 | <ErrorReport>prompt</ErrorReport> |
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53 | 53 | <WarningLevel>4</WarningLevel> |
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54 | 54 | <Prefer32Bit>false</Prefer32Bit> |
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55 | 55 | </PropertyGroup> |
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56 | 56 | <ItemGroup> |
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57 | 57 | <Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" /> |
|
58 | 58 | <Reference Include="System" /> |
|
59 | 59 | <Reference Include="System.Core"> |
|
60 | 60 | <RequiredTargetFramework>3.5</RequiredTargetFramework> |
|
61 | 61 | </Reference> |
|
62 | 62 | <Reference Include="System.Data" /> |
|
63 | 63 | <Reference Include="System.Drawing" /> |
|
64 | 64 | <Reference Include="System.Windows.Forms" /> |
|
65 | 65 | <Reference Include="System.Xml" /> |
|
66 | 66 | <Reference Include="WindowsBase" /> |
|
67 | 67 | </ItemGroup> |
|
68 | 68 | <ItemGroup> |
|
69 | 69 | <Compile Include="Properties\AssemblyInfo.cs" /> |
|
70 | 70 | <Compile Include="OverlayTest.cs" /> |
|
71 | 71 | <Compile Include="Sample\MainForm.cs"> |
|
72 | 72 | <SubType>Form</SubType> |
|
73 | 73 | </Compile> |
|
74 | 74 | <Compile Include="Sample\MainForm.Designer.cs"> |
|
75 | 75 | <DependentUpon>MainForm.cs</DependentUpon> |
|
76 | 76 | </Compile> |
|
77 | 77 | <Compile Include="Sample\OverlayForm.cs"> |
|
78 | 78 | <SubType>Form</SubType> |
|
79 | 79 | </Compile> |
|
80 | 80 | <Compile Include="Sample\OverlayForm.Designer.cs"> |
|
81 | 81 | <DependentUpon>OverlayForm.cs</DependentUpon> |
|
82 | 82 | </Compile> |
|
83 | <Compile Include="StaApartmentTests.cs" /> | |
|
83 | 84 | </ItemGroup> |
|
84 | 85 | <ItemGroup> |
|
85 | 86 | <EmbeddedResource Include="Sample\MainForm.resx"> |
|
86 | 87 | <DependentUpon>MainForm.cs</DependentUpon> |
|
87 | 88 | <LogicalName> |
|
88 | 89 | </LogicalName> |
|
89 | 90 | </EmbeddedResource> |
|
90 | 91 | <EmbeddedResource Include="Sample\OverlayForm.resx"> |
|
91 | 92 | <DependentUpon>OverlayForm.cs</DependentUpon> |
|
92 | 93 | <LogicalName> |
|
93 | 94 | </LogicalName> |
|
94 | 95 | </EmbeddedResource> |
|
95 | 96 | </ItemGroup> |
|
96 | 97 | <ItemGroup> |
|
97 | 98 | <ProjectReference Include="..\Implab.Fx\Implab.Fx.csproj"> |
|
98 | 99 | <Project>{06E706F8-6881-43EB-927E-FFC503AF6ABC}</Project> |
|
99 | 100 | <Name>Implab.Fx</Name> |
|
100 | 101 | </ProjectReference> |
|
101 | 102 | <ProjectReference Include="..\Implab\Implab.csproj"> |
|
102 | 103 | <Project>{F550F1F8-8746-4AD0-9614-855F4C4B7F05}</Project> |
|
103 | 104 | <Name>Implab</Name> |
|
104 | 105 | </ProjectReference> |
|
105 | 106 | </ItemGroup> |
|
106 | 107 | <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" /> |
|
107 | 108 | <!-- To modify your build process, add your task inside one of the targets below and uncomment it. |
|
108 | 109 | Other similar extension points exist, see Microsoft.Common.targets. |
|
109 | 110 | <Target Name="BeforeBuild"> |
|
110 | 111 | </Target> |
|
111 | 112 | <Target Name="AfterBuild"> |
|
112 | 113 | </Target> |
|
113 | 114 | --> |
|
114 | 115 | </Project> No newline at end of file |
@@ -1,88 +1,89 | |||
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1 | 1 | ο»Ώ<?xml version="1.0" encoding="utf-8"?> |
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2 | 2 | <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> |
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3 | 3 | <PropertyGroup> |
|
4 | 4 | <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> |
|
5 | 5 | <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> |
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6 | 6 | <ProductVersion>8.0.30703</ProductVersion> |
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7 | 7 | <SchemaVersion>2.0</SchemaVersion> |
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8 | 8 | <ProjectGuid>{06E706F8-6881-43EB-927E-FFC503AF6ABC}</ProjectGuid> |
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9 | 9 | <OutputType>Library</OutputType> |
|
10 | 10 | <AppDesignerFolder>Properties</AppDesignerFolder> |
|
11 | 11 | <RootNamespace>Implab.Fx</RootNamespace> |
|
12 | 12 | <AssemblyName>Implab.Fx</AssemblyName> |
|
13 | 13 | <TargetFrameworkVersion>v4.5</TargetFrameworkVersion> |
|
14 | 14 | <FileAlignment>512</FileAlignment> |
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15 | 15 | <ReleaseVersion>0.2</ReleaseVersion> |
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16 | 16 | <TargetFrameworkProfile /> |
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17 | 17 | </PropertyGroup> |
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18 | 18 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> |
|
19 | 19 | <DebugSymbols>true</DebugSymbols> |
|
20 | 20 | <DebugType>full</DebugType> |
|
21 | 21 | <Optimize>false</Optimize> |
|
22 | 22 | <OutputPath>bin\Debug\</OutputPath> |
|
23 | 23 | <DefineConstants>DEBUG;TRACE</DefineConstants> |
|
24 | 24 | <ErrorReport>prompt</ErrorReport> |
|
25 | 25 | <WarningLevel>4</WarningLevel> |
|
26 | 26 | <Prefer32Bit>false</Prefer32Bit> |
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27 | 27 | </PropertyGroup> |
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28 | 28 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> |
|
29 | 29 | <DebugType>pdbonly</DebugType> |
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30 | 30 | <Optimize>true</Optimize> |
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31 | 31 | <OutputPath>bin\Release\</OutputPath> |
|
32 | 32 | <DefineConstants>TRACE</DefineConstants> |
|
33 | 33 | <ErrorReport>prompt</ErrorReport> |
|
34 | 34 | <WarningLevel>4</WarningLevel> |
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35 | 35 | <Prefer32Bit>false</Prefer32Bit> |
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36 | 36 | </PropertyGroup> |
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37 | 37 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug 4.5|AnyCPU' "> |
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38 | 38 | <DebugSymbols>true</DebugSymbols> |
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39 | 39 | <DebugType>full</DebugType> |
|
40 | 40 | <Optimize>false</Optimize> |
|
41 | 41 | <OutputPath>bin\Debug\</OutputPath> |
|
42 | 42 | <DefineConstants>DEBUG;TRACE</DefineConstants> |
|
43 | 43 | <ErrorReport>prompt</ErrorReport> |
|
44 | 44 | <WarningLevel>4</WarningLevel> |
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45 | 45 | <Prefer32Bit>false</Prefer32Bit> |
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46 | 46 | </PropertyGroup> |
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47 | 47 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release 4.5|AnyCPU' "> |
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48 | 48 | <DebugType>pdbonly</DebugType> |
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49 | 49 | <Optimize>true</Optimize> |
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50 | 50 | <OutputPath>bin\Release\</OutputPath> |
|
51 | 51 | <DefineConstants>TRACE</DefineConstants> |
|
52 | 52 | <ErrorReport>prompt</ErrorReport> |
|
53 | 53 | <WarningLevel>4</WarningLevel> |
|
54 | 54 | <Prefer32Bit>false</Prefer32Bit> |
|
55 | 55 | </PropertyGroup> |
|
56 | 56 | <ItemGroup> |
|
57 | 57 | <Reference Include="System" /> |
|
58 | 58 | <Reference Include="System.Core" /> |
|
59 | 59 | <Reference Include="System.Drawing" /> |
|
60 | 60 | <Reference Include="System.Windows.Forms" /> |
|
61 | 61 | <Reference Include="System.Xml.Linq" /> |
|
62 | 62 | <Reference Include="System.Data.DataSetExtensions" /> |
|
63 | 63 | <Reference Include="Microsoft.CSharp" /> |
|
64 | 64 | <Reference Include="System.Data" /> |
|
65 | 65 | <Reference Include="System.Xml" /> |
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66 | 66 | </ItemGroup> |
|
67 | 67 | <ItemGroup> |
|
68 | 68 | <Compile Include="Animation.cs" /> |
|
69 | 69 | <Compile Include="AnimationHelpers.cs" /> |
|
70 | 70 | <Compile Include="PromiseHelpers.cs" /> |
|
71 | 71 | <Compile Include="Properties\AssemblyInfo.cs" /> |
|
72 | 72 | <Compile Include="ControlBoundPromise.cs" /> |
|
73 | <Compile Include="StaApartment.cs" /> | |
|
73 | 74 | </ItemGroup> |
|
74 | 75 | <ItemGroup> |
|
75 | 76 | <ProjectReference Include="..\Implab\Implab.csproj"> |
|
76 | 77 | <Project>{F550F1F8-8746-4AD0-9614-855F4C4B7F05}</Project> |
|
77 | 78 | <Name>Implab</Name> |
|
78 | 79 | </ProjectReference> |
|
79 | 80 | </ItemGroup> |
|
80 | 81 | <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" /> |
|
81 | 82 | <!-- To modify your build process, add your task inside one of the targets below and uncomment it. |
|
82 | 83 | Other similar extension points exist, see Microsoft.Common.targets. |
|
83 | 84 | <Target Name="BeforeBuild"> |
|
84 | 85 | </Target> |
|
85 | 86 | <Target Name="AfterBuild"> |
|
86 | 87 | </Target> |
|
87 | 88 | --> |
|
88 | 89 | </Project> No newline at end of file |
@@ -1,84 +1,90 | |||
|
1 | 1 | ο»Ώ<?xml version="1.0" encoding="utf-8"?> |
|
2 | 2 | <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003"> |
|
3 | 3 | <PropertyGroup> |
|
4 | 4 | <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration> |
|
5 | 5 | <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform> |
|
6 | 6 | <ProductVersion>8.0.30703</ProductVersion> |
|
7 | 7 | <SchemaVersion>2.0</SchemaVersion> |
|
8 | 8 | <ProjectGuid>{63F92C0C-61BF-48C0-A377-8D67C3C661D0}</ProjectGuid> |
|
9 | 9 | <OutputType>Library</OutputType> |
|
10 | 10 | <AppDesignerFolder>Properties</AppDesignerFolder> |
|
11 | 11 | <RootNamespace>Implab.Test</RootNamespace> |
|
12 | 12 | <AssemblyName>Implab.Test</AssemblyName> |
|
13 | 13 | <TargetFrameworkVersion>v4.5</TargetFrameworkVersion> |
|
14 | 14 | <FileAlignment>512</FileAlignment> |
|
15 | 15 | <ProjectTypeGuids>{3AC096D0-A1C2-E12C-1390-A8335801FDAB};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids> |
|
16 | 16 | <TargetFrameworkProfile /> |
|
17 | 17 | </PropertyGroup> |
|
18 | 18 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' "> |
|
19 | 19 | <DebugSymbols>true</DebugSymbols> |
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20 | 20 | <DebugType>full</DebugType> |
|
21 | 21 | <Optimize>false</Optimize> |
|
22 | 22 | <OutputPath>bin\Debug\</OutputPath> |
|
23 | 23 | <DefineConstants>DEBUG;TRACE</DefineConstants> |
|
24 | 24 | <ErrorReport>prompt</ErrorReport> |
|
25 | 25 | <WarningLevel>4</WarningLevel> |
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26 | 26 | <Prefer32Bit>false</Prefer32Bit> |
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27 | 27 | </PropertyGroup> |
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28 | 28 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' "> |
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29 | 29 | <DebugType>pdbonly</DebugType> |
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30 | 30 | <Optimize>true</Optimize> |
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31 | 31 | <OutputPath>bin\Release\</OutputPath> |
|
32 | 32 | <DefineConstants>TRACE</DefineConstants> |
|
33 | 33 | <ErrorReport>prompt</ErrorReport> |
|
34 | 34 | <WarningLevel>4</WarningLevel> |
|
35 | 35 | <Prefer32Bit>false</Prefer32Bit> |
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36 | 36 | </PropertyGroup> |
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37 | 37 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug 4.5|AnyCPU' "> |
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38 | 38 | <DebugSymbols>true</DebugSymbols> |
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39 | 39 | <DebugType>full</DebugType> |
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40 | 40 | <Optimize>false</Optimize> |
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41 | 41 | <OutputPath>bin\Debug\</OutputPath> |
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42 | 42 | <DefineConstants>DEBUG;TRACE</DefineConstants> |
|
43 | 43 | <ErrorReport>prompt</ErrorReport> |
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44 | 44 | <WarningLevel>4</WarningLevel> |
|
45 | 45 | <Prefer32Bit>false</Prefer32Bit> |
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46 | 46 | </PropertyGroup> |
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47 | 47 | <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release 4.5|AnyCPU' "> |
|
48 | 48 | <DebugType>pdbonly</DebugType> |
|
49 | 49 | <Optimize>true</Optimize> |
|
50 | 50 | <OutputPath>bin\Release\</OutputPath> |
|
51 | 51 | <DefineConstants>TRACE</DefineConstants> |
|
52 | 52 | <ErrorReport>prompt</ErrorReport> |
|
53 | 53 | <WarningLevel>4</WarningLevel> |
|
54 | 54 | <Prefer32Bit>false</Prefer32Bit> |
|
55 | 55 | </PropertyGroup> |
|
56 | 56 | <ItemGroup> |
|
57 | 57 | <Reference Include="Microsoft.VisualStudio.QualityTools.UnitTestFramework, Version=10.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL" /> |
|
58 | 58 | <Reference Include="System" /> |
|
59 | 59 | <Reference Include="System.Core"> |
|
60 | 60 | <RequiredTargetFramework>3.5</RequiredTargetFramework> |
|
61 | 61 | </Reference> |
|
62 | 62 | </ItemGroup> |
|
63 | 63 | <ItemGroup> |
|
64 | 64 | <Compile Include="AsyncTests.cs" /> |
|
65 | 65 | <Compile Include="CancelationTests.cs" /> |
|
66 | <Compile Include="Mock\MockPollingComponent.cs" /> | |
|
67 | <Compile Include="Mock\MockRunnableComponent.cs" /> | |
|
68 | <Compile Include="PollingComponentTests.cs" /> | |
|
66 | 69 | <Compile Include="PromiseHelper.cs" /> |
|
67 | 70 | <Compile Include="Properties\AssemblyInfo.cs" /> |
|
68 | 71 | <Compile Include="RunnableComponentTests.cs" /> |
|
69 | 72 | </ItemGroup> |
|
70 | 73 | <ItemGroup> |
|
71 | 74 | <ProjectReference Include="..\Implab\Implab.csproj"> |
|
72 | 75 | <Project>{99B95D0D-9CF9-4F70-8ADF-F4D0AA5CB0D9}</Project> |
|
73 | 76 | <Name>Implab</Name> |
|
74 | 77 | </ProjectReference> |
|
75 | 78 | </ItemGroup> |
|
79 | <ItemGroup> | |
|
80 | <Folder Include="Implab.Format.Test\" /> | |
|
81 | </ItemGroup> | |
|
76 | 82 | <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" /> |
|
77 | 83 | <!-- To modify your build process, add your task inside one of the targets below and uncomment it. |
|
78 | 84 | Other similar extension points exist, see Microsoft.Common.targets. |
|
79 | 85 | <Target Name="BeforeBuild"> |
|
80 | 86 | </Target> |
|
81 | 87 | <Target Name="AfterBuild"> |
|
82 | 88 | </Target> |
|
83 | 89 | --> |
|
84 | 90 | </Project> No newline at end of file |
@@ -1,368 +1,411 | |||
|
1 | 1 | using System; |
|
2 | 2 | using System.Diagnostics.CodeAnalysis; |
|
3 | 3 | |
|
4 | 4 | namespace Implab.Components { |
|
5 | 5 | public abstract class RunnableComponent : IDisposable, IRunnable, IInitializable { |
|
6 | 6 | enum Commands { |
|
7 | 7 | Ok = 0, |
|
8 | 8 | Fail, |
|
9 | 9 | Init, |
|
10 | 10 | Start, |
|
11 | 11 | Stop, |
|
12 | 12 | Dispose, |
|
13 | 13 | Reset, |
|
14 | 14 | Last = Reset |
|
15 | 15 | } |
|
16 | 16 | |
|
17 | 17 | class StateMachine { |
|
18 |
static readonly ExecutionState[,] |
|
|
18 | public static readonly ExecutionState[,] ReusableTransitions; | |
|
19 | public static readonly ExecutionState[,] NonreusableTransitions; | |
|
20 | ||
|
21 | class StateBuilder { | |
|
22 | readonly ExecutionState[,] m_states; | |
|
23 | ||
|
24 | public ExecutionState[,] States { | |
|
25 | get { return m_states; } | |
|
26 | } | |
|
27 | public StateBuilder(ExecutionState[,] states) { | |
|
28 | m_states = states; | |
|
29 | } | |
|
30 | ||
|
31 | public StateBuilder() { | |
|
32 | m_states = new ExecutionState[(int)ExecutionState.Last + 1, (int)Commands.Last + 1]; | |
|
33 | } | |
|
34 | ||
|
35 | public StateBuilder Edge(ExecutionState s1, ExecutionState s2, Commands cmd) { | |
|
36 | m_states[(int)s1, (int)cmd] = s2; | |
|
37 | return this; | |
|
38 | } | |
|
39 | ||
|
40 | public StateBuilder Clone() { | |
|
41 | return new StateBuilder((ExecutionState[,])m_states.Clone()); | |
|
42 | } | |
|
43 | } | |
|
19 | 44 | |
|
20 | 45 | static StateMachine() { |
|
21 |
|
|
|
46 | ReusableTransitions = new ExecutionState[(int)ExecutionState.Last + 1, (int)Commands.Last + 1]; | |
|
22 | 47 | |
|
23 | Edge(ExecutionState.Created, ExecutionState.Initializing, Commands.Init); | |
|
24 |
Edge(ExecutionState.Created, ExecutionState. |
|
|
48 | var common = new StateBuilder() | |
|
49 | .Edge(ExecutionState.Created, ExecutionState.Initializing, Commands.Init) | |
|
50 | .Edge(ExecutionState.Created, ExecutionState.Disposed, Commands.Dispose) | |
|
25 | 51 | |
|
26 |
Edge(ExecutionState.Initializing, ExecutionState.Ready, Commands.Ok) |
|
|
27 |
Edge(ExecutionState.Initializing, ExecutionState.Failed, Commands.Fail) |
|
|
52 | .Edge(ExecutionState.Initializing, ExecutionState.Ready, Commands.Ok) | |
|
53 | .Edge(ExecutionState.Initializing, ExecutionState.Failed, Commands.Fail) | |
|
28 | 54 | |
|
29 |
Edge(ExecutionState.Ready, ExecutionState.Starting, Commands.Start) |
|
|
30 |
Edge(ExecutionState.Ready, ExecutionState.Disposed, Commands.Dispose) |
|
|
55 | .Edge(ExecutionState.Ready, ExecutionState.Starting, Commands.Start) | |
|
56 | .Edge(ExecutionState.Ready, ExecutionState.Disposed, Commands.Dispose) | |
|
57 | ||
|
58 | .Edge(ExecutionState.Starting, ExecutionState.Running, Commands.Ok) | |
|
59 | .Edge(ExecutionState.Starting, ExecutionState.Failed, Commands.Fail) | |
|
60 | .Edge(ExecutionState.Starting, ExecutionState.Stopping, Commands.Stop) | |
|
61 | .Edge(ExecutionState.Starting, ExecutionState.Disposed, Commands.Dispose) | |
|
31 | 62 | |
|
32 |
Edge( |
|
|
33 |
Edge(ExecutionState. |
|
|
34 |
Edge(ExecutionState. |
|
|
35 | Edge(ExecutionState.Starting, ExecutionState.Disposed, Commands.Dispose); | |
|
63 | .Edge(ExecutionState.Running, ExecutionState.Failed, Commands.Fail) | |
|
64 | .Edge(ExecutionState.Running, ExecutionState.Stopping, Commands.Stop) | |
|
65 | .Edge(ExecutionState.Running, ExecutionState.Disposed, Commands.Dispose) | |
|
66 | ||
|
67 | .Edge(ExecutionState.Failed, ExecutionState.Disposed, Commands.Dispose) | |
|
68 | .Edge(ExecutionState.Failed, ExecutionState.Initializing, Commands.Reset) | |
|
69 | ||
|
70 | .Edge(ExecutionState.Stopping, ExecutionState.Failed, Commands.Fail) | |
|
71 | .Edge(ExecutionState.Stopping, ExecutionState.Disposed, Commands.Dispose) | |
|
72 | ||
|
73 | .Edge(ExecutionState.Disposed, ExecutionState.Disposed, Commands.Dispose); | |
|
36 | 74 | |
|
37 | Edge(ExecutionState.Running, ExecutionState.Failed, Commands.Fail); | |
|
38 | Edge(ExecutionState.Running, ExecutionState.Stopping, Commands.Stop); | |
|
39 |
Edge(ExecutionState. |
|
|
75 | var reusable = common | |
|
76 | .Clone() | |
|
77 | .Edge(ExecutionState.Stopping, ExecutionState.Ready, Commands.Ok); | |
|
78 | ||
|
79 | var nonreusable = common | |
|
80 | .Clone() | |
|
81 | .Edge(ExecutionState.Stopping, ExecutionState.Disposed, Commands.Ok); | |
|
82 | ||
|
83 | NonreusableTransitions = nonreusable.States; | |
|
84 | ReusableTransitions = reusable.States; | |
|
40 | 85 | |
|
41 | Edge(ExecutionState.Stopping, ExecutionState.Failed, Commands.Fail); | |
|
42 | Edge(ExecutionState.Stopping, ExecutionState.Ready, Commands.Ok); | |
|
43 | Edge(ExecutionState.Stopping, ExecutionState.Disposed, Commands.Dispose); | |
|
44 | ||
|
45 | Edge(ExecutionState.Failed, ExecutionState.Disposed, Commands.Dispose); | |
|
46 | Edge(ExecutionState.Failed, ExecutionState.Initializing, Commands.Reset); | |
|
47 | 86 | } |
|
48 | 87 | |
|
49 | static void Edge(ExecutionState s1, ExecutionState s2, Commands cmd) { | |
|
50 | _transitions[(int)s1, (int)cmd] = s2; | |
|
51 | } | |
|
88 | readonly ExecutionState[,] m_states; | |
|
52 | 89 | |
|
53 | 90 | public ExecutionState State { |
|
54 | 91 | get; |
|
55 | 92 | private set; |
|
56 | 93 | } |
|
57 | 94 | |
|
58 | public StateMachine(ExecutionState initial) { | |
|
95 | public StateMachine(ExecutionState[,] states, ExecutionState initial) { | |
|
59 | 96 | State = initial; |
|
97 | m_states = states; | |
|
60 | 98 | } |
|
61 | 99 | |
|
62 | 100 | public bool Move(Commands cmd) { |
|
63 |
var next = |
|
|
101 | var next = m_states[(int)State, (int)cmd]; | |
|
64 | 102 | if (next == ExecutionState.Undefined) |
|
65 | 103 | return false; |
|
66 | 104 | State = next; |
|
67 | 105 | return true; |
|
68 | 106 | } |
|
69 | 107 | } |
|
70 | 108 | |
|
71 | 109 | IPromise m_pending; |
|
72 | 110 | Exception m_lastError; |
|
73 | 111 | |
|
74 | 112 | readonly StateMachine m_stateMachine; |
|
75 | 113 | readonly bool m_reusable; |
|
76 | 114 | public event EventHandler<StateChangeEventArgs> StateChanged; |
|
77 | 115 | |
|
78 | 116 | /// <summary> |
|
79 | 117 | /// Initializes component state. |
|
80 | 118 | /// </summary> |
|
81 | 119 | /// <param name="initialized">If set, the component initial state is <see cref="ExecutionState.Ready"/> and the component is ready to start, otherwise initialization is required.</param> |
|
82 | 120 | /// <param name="reusable">If set, the component may start after it has been stopped, otherwise the component is disposed after being stopped.</param> |
|
83 | 121 | protected RunnableComponent(bool initialized, bool reusable) { |
|
84 |
m_stateMachine = new StateMachine( |
|
|
122 | m_stateMachine = new StateMachine( | |
|
123 | reusable ? StateMachine.ReusableTransitions : StateMachine.NonreusableTransitions, | |
|
124 | initialized ? ExecutionState.Ready : ExecutionState.Created | |
|
125 | ); | |
|
85 | 126 | m_reusable = reusable; |
|
86 | DisposeTimeout = 10000; | |
|
87 | 127 | } |
|
88 | 128 | |
|
89 | 129 | /// <summary> |
|
90 | 130 | /// Initializes component state. The component created with this constructor is not reusable, i.e. it will be disposed after stop. |
|
91 | 131 | /// </summary> |
|
92 | 132 | /// <param name="initialized">If set, the component initial state is <see cref="ExecutionState.Ready"/> and the component is ready to start, otherwise initialization is required.</param> |
|
93 | 133 | protected RunnableComponent(bool initialized) : this(initialized, false) { |
|
94 | 134 | } |
|
95 | 135 | |
|
96 | /// <summary> | |
|
97 | /// Gets or sets the timeout to wait for the pending operation to complete. If the pending operation doesn't finish than the component will be disposed anyway. | |
|
98 | /// </summary> | |
|
99 | protected int DisposeTimeout { | |
|
100 | get; | |
|
101 | set; | |
|
102 | } | |
|
103 | ||
|
104 | 136 | void ThrowInvalidCommand(Commands cmd) { |
|
105 | 137 | if (m_stateMachine.State == ExecutionState.Disposed) |
|
106 | 138 | throw new ObjectDisposedException(ToString()); |
|
107 | 139 | |
|
108 | 140 | throw new InvalidOperationException(String.Format("Command {0} is not allowed in the state {1}", cmd, m_stateMachine.State)); |
|
109 | 141 | } |
|
110 | 142 | |
|
111 | 143 | bool MoveIfInState(Commands cmd, IPromise pending, Exception error, ExecutionState state) { |
|
112 | 144 | ExecutionState prev, current; |
|
113 | 145 | lock (m_stateMachine) { |
|
114 | 146 | if (m_stateMachine.State != state) |
|
115 | 147 | return false; |
|
116 | 148 | |
|
117 | 149 | prev = m_stateMachine.State; |
|
118 | 150 | if (!m_stateMachine.Move(cmd)) |
|
119 | 151 | ThrowInvalidCommand(cmd); |
|
120 | 152 | current = m_stateMachine.State; |
|
121 | 153 | |
|
122 | 154 | m_pending = pending; |
|
123 | 155 | m_lastError = error; |
|
124 | 156 | } |
|
125 | 157 | if (prev != current) |
|
126 | 158 | OnStateChanged(prev, current, error); |
|
127 | 159 | return true; |
|
128 | 160 | } |
|
129 | 161 | |
|
130 | 162 | bool MoveIfPending(Commands cmd, IPromise pending, Exception error, IPromise expected) { |
|
131 | 163 | ExecutionState prev, current; |
|
132 | 164 | lock (m_stateMachine) { |
|
133 | 165 | if (m_pending != expected) |
|
134 | 166 | return false; |
|
135 | 167 | prev = m_stateMachine.State; |
|
136 | 168 | if (!m_stateMachine.Move(cmd)) |
|
137 | 169 | ThrowInvalidCommand(cmd); |
|
138 | 170 | current = m_stateMachine.State; |
|
139 | 171 | m_pending = pending; |
|
140 | 172 | m_lastError = error; |
|
141 | 173 | } |
|
142 | 174 | if (prev != current) |
|
143 | 175 | OnStateChanged(prev, current, error); |
|
144 | 176 | return true; |
|
145 | 177 | } |
|
146 | 178 | |
|
147 | 179 | IPromise Move(Commands cmd, IPromise pending, Exception error) { |
|
148 | 180 | ExecutionState prev, current; |
|
149 | 181 | IPromise ret; |
|
150 | 182 | lock (m_stateMachine) { |
|
151 | 183 | prev = m_stateMachine.State; |
|
152 | 184 | if (!m_stateMachine.Move(cmd)) |
|
153 | 185 | ThrowInvalidCommand(cmd); |
|
154 | 186 | current = m_stateMachine.State; |
|
155 | 187 | |
|
156 | 188 | ret = m_pending; |
|
157 | 189 | m_pending = pending; |
|
158 | m_lastError = error; | |
|
159 | ||
|
190 | m_lastError = error; | |
|
191 | ||
|
160 | 192 | } |
|
161 | if(prev != current) | |
|
193 | if (prev != current) | |
|
162 | 194 | OnStateChanged(prev, current, error); |
|
163 | 195 | return ret; |
|
164 | 196 | } |
|
165 | 197 | |
|
198 | /// <summary> | |
|
199 | /// Handles the state of the component change event, raises the <see cref="StateChanged"/> event, handles | |
|
200 | /// the transition to the <see cref="ExecutionState.Disposed"/> state (calls <see cref="Dispose(bool)"/> method). | |
|
201 | /// </summary> | |
|
202 | /// <param name="previous">The previous state</param> | |
|
203 | /// <param name="current">The current state</param> | |
|
204 | /// <param name="error">The last error if any.</param> | |
|
205 | /// <remarks> | |
|
206 | /// <para> | |
|
207 | /// If the previous state and the current state are same this method isn't called, such situiation is treated | |
|
208 | /// as the component hasn't changed it's state. | |
|
209 | /// </para> | |
|
210 | /// <para> | |
|
211 | /// When overriding this method ensure the call is made to the base implementation, otherwise it will lead to | |
|
212 | /// the wrong behavior of the component. | |
|
213 | /// </para> | |
|
214 | /// </remarks> | |
|
166 | 215 | protected virtual void OnStateChanged(ExecutionState previous, ExecutionState current, Exception error) { |
|
167 |
|
|
|
168 | if (h != null) | |
|
169 |
|
|
|
216 | StateChanged.DispatchEvent( | |
|
217 | this, | |
|
218 | new StateChangeEventArgs { | |
|
170 | 219 | State = current, |
|
171 | 220 | LastError = error |
|
172 |
} |
|
|
221 | } | |
|
222 | ); | |
|
223 | if (current == ExecutionState.Disposed) { | |
|
224 | GC.SuppressFinalize(this); | |
|
225 | Dispose(true); | |
|
226 | } | |
|
173 | 227 | } |
|
174 | 228 | |
|
175 | 229 | /// <summary> |
|
176 | 230 | /// Moves the component from running to failed state. |
|
177 | 231 | /// </summary> |
|
178 | 232 | /// <param name="error">The exception which is describing the error.</param> |
|
179 | 233 | protected bool Fail(Exception error) { |
|
180 | 234 | return MoveIfInState(Commands.Fail, null, error, ExecutionState.Running); |
|
181 | 235 | } |
|
182 | 236 | |
|
183 | 237 | /// <summary> |
|
184 | 238 | /// Tries to reset <see cref="ExecutionState.Failed"/> state to <see cref="ExecutionState.Ready"/>. |
|
185 | 239 | /// </summary> |
|
186 | 240 | /// <returns>True if component is reset to <see cref="ExecutionState.Ready"/>, false if the componet wasn't |
|
187 | 241 | /// in <see cref="ExecutionState.Failed"/> state.</returns> |
|
188 | 242 | /// <remarks> |
|
189 | 243 | /// This method checks the current state of the component and if it's in <see cref="ExecutionState.Failed"/> |
|
190 | 244 | /// moves component to <see cref="ExecutionState.Initializing"/>. |
|
191 | 245 | /// The <see cref="OnResetState()"/> is called and if this method completes succesfully the component moved |
|
192 | 246 | /// to <see cref="ExecutionState.Ready"/> state, otherwise the component is moved to <see cref="ExecutionState.Failed"/> |
|
193 | 247 | /// state. If <see cref="OnResetState()"/> throws an exception it will be propagated by this method to the caller. |
|
194 | 248 | /// </remarks> |
|
195 | 249 | protected bool ResetState() { |
|
196 | 250 | if (!MoveIfInState(Commands.Reset, null, null, ExecutionState.Failed)) |
|
197 | 251 | return false; |
|
198 | 252 | |
|
199 | 253 | try { |
|
200 | 254 | OnResetState(); |
|
201 | 255 | Move(Commands.Ok, null, null); |
|
202 | 256 | return true; |
|
203 | 257 | } catch (Exception err) { |
|
204 | 258 | Move(Commands.Fail, null, err); |
|
205 | 259 | throw; |
|
206 | 260 | } |
|
207 | 261 | } |
|
208 | 262 | |
|
209 | 263 | /// <summary> |
|
210 | 264 | /// This method is called by <see cref="ResetState"/> to reinitialize component in the failed state. |
|
211 | 265 | /// </summary> |
|
212 | 266 | /// <remarks> |
|
213 | 267 | /// Default implementation throws <see cref="NotImplementedException"/> which will cause the component |
|
214 | 268 | /// fail to reset it's state and it left in <see cref="ExecutionState.Failed"/> state. |
|
215 | 269 | /// If this method doesn't throw exceptions the component is moved to <see cref="ExecutionState.Ready"/> state. |
|
216 | 270 | /// </remarks> |
|
217 | 271 | protected virtual void OnResetState() { |
|
218 | 272 | throw new NotImplementedException(); |
|
219 | 273 | } |
|
220 | 274 | |
|
221 | 275 | IPromise InvokeAsync(Commands cmd, Func<IPromise> action, Action<IPromise, IDeferred> chain) { |
|
222 | 276 | IPromise promise = null; |
|
223 | 277 | IPromise prev; |
|
224 | 278 | |
|
225 | 279 | var task = new ActionChainTask(action, null, null, true); |
|
226 | 280 | |
|
227 | 281 | Action<Exception> errorOrCancel = e => { |
|
228 | 282 | if (e == null) |
|
229 | 283 | e = new OperationCanceledException(); |
|
230 | 284 | MoveIfPending(Commands.Fail, null, e, promise); |
|
231 | 285 | throw new PromiseTransientException(e); |
|
232 | 286 | }; |
|
233 | 287 | |
|
234 | 288 | promise = task.Then( |
|
235 | 289 | () => MoveIfPending(Commands.Ok, null, null, promise), |
|
236 | 290 | errorOrCancel, |
|
237 | 291 | errorOrCancel |
|
238 | 292 | ); |
|
239 | 293 | |
|
240 | 294 | prev = Move(cmd, promise, null); |
|
241 | 295 | |
|
242 | 296 | if (prev == null) |
|
243 | 297 | task.Resolve(); |
|
244 | 298 | else |
|
245 | 299 | chain(prev, task); |
|
246 | 300 | |
|
247 | 301 | return promise; |
|
248 | 302 | } |
|
249 | 303 | |
|
250 | 304 | |
|
251 | 305 | #region IInitializable implementation |
|
252 | 306 | |
|
253 | 307 | public void Initialize() { |
|
254 | 308 | Move(Commands.Init, null, null); |
|
255 | 309 | |
|
256 | 310 | try { |
|
257 | 311 | OnInitialize(); |
|
258 | 312 | Move(Commands.Ok, null, null); |
|
259 | 313 | } catch (Exception err) { |
|
260 | 314 | Move(Commands.Fail, null, err); |
|
261 | 315 | throw; |
|
262 | 316 | } |
|
263 | 317 | } |
|
264 | 318 | |
|
265 | 319 | protected virtual void OnInitialize() { |
|
266 | 320 | } |
|
267 | 321 | |
|
268 | 322 | #endregion |
|
269 | 323 | |
|
270 | 324 | #region IRunnable implementation |
|
271 | 325 | |
|
272 | 326 | public IPromise Start() { |
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273 | 327 | return InvokeAsync(Commands.Start, OnStart, null); |
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274 | 328 | } |
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275 | 329 | |
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276 | 330 | protected virtual IPromise OnStart() { |
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277 | 331 | return Promise.Success; |
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278 | 332 | } |
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279 | 333 | |
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280 | 334 | public IPromise Stop() { |
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281 |
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282 | return m_reusable ? pending : pending.Then(Dispose); | |
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335 | return InvokeAsync(Commands.Stop, OnStop, StopPending); | |
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283 | 336 | } |
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284 | 337 | |
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285 | 338 | protected virtual IPromise OnStop() { |
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286 | 339 | return Promise.Success; |
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287 | 340 | } |
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288 | 341 | |
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289 | 342 | /// <summary> |
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290 | 343 | /// Stops the current operation if one exists. |
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291 | 344 | /// </summary> |
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292 | 345 | /// <param name="current">Current.</param> |
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293 | 346 | /// <param name="stop">Stop.</param> |
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294 | 347 | protected virtual void StopPending(IPromise current, IDeferred stop) { |
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295 | 348 | if (current == null) { |
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296 | 349 | stop.Resolve(); |
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297 | 350 | } else { |
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298 | 351 | // ΡΠ²ΡΠ·Π²Π°Π΅ΠΌ ΡΠ΅ΠΊΡΡΡΡ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΡ Ρ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠ΅ΠΉ ΠΎΡΡΠ°Π½ΠΎΠ²ΠΊΠΈ |
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299 | 352 | current.On( |
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300 | 353 | stop.Resolve, // Π΅ΡΠ»ΠΈ ΡΠ΅ΠΊΡΡΠ°Ρ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΡ Π·Π°Π²Π΅ΡΡΠΈΠ»Π°ΡΡ, ΡΠΎ ΠΌΠΎΠΆΠ½ΠΎ Π½Π°ΡΠΈΠ½Π°ΡΡ ΠΎΡΡΠ°Π½ΠΎΠ²ΠΊΡ |
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301 | 354 | stop.Reject, // Π΅ΡΠ»ΠΈ ΡΠ΅ΠΊΡΡΠ°Ρ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΡ Π΄Π°Π»Π° ΠΎΡΠΈΠ±ΠΊΡ - ΡΠΎ Π²ΡΠ΅ ΠΏΠ»ΠΎΡ ΠΎ, Π½Π΅Π»ΡΠ·Ρ ΠΏΡΠΎΠ΄ΠΎΠ»ΠΆΠ°ΡΡ |
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302 | 355 | e => stop.Resolve() // Π΅ΡΠ»ΠΈ ΡΠ΅ΠΊΡΡΠ°Ρ ΠΎΡΠΌΠ΅Π½ΠΈΠ»Π°ΡΡ, ΡΠΎ ΠΌΠΎΠΆΠ½ΠΎ Π½Π°ΡΠΈΠ½Π°ΡΡ ΠΎΡΡΠ°Π½ΠΎΠ²ΠΊΡ |
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303 | 356 | ); |
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304 | 357 | // ΠΏΠΎΡΡΠ»Π°Π΅ΠΌ ΡΠ΅ΠΊΡΡΠ΅ΠΉ ΠΎΠΏΠ΅ΡΠ°ΡΠΈΠΈ ΡΠΈΠ³Π½Π°Π» ΠΎΡΡΠ°Π½ΠΎΠ²ΠΊΠΈ |
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305 | 358 | current.Cancel(); |
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306 | 359 | } |
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307 | 360 | } |
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308 | 361 | |
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309 | 362 | public ExecutionState State { |
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310 | 363 | get { |
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311 | 364 | return m_stateMachine.State; |
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312 | 365 | } |
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313 | 366 | } |
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314 | 367 | |
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315 | 368 | public Exception LastError { |
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316 | 369 | get { |
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317 | 370 | return m_lastError; |
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318 | 371 | } |
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319 | 372 | } |
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320 | 373 | |
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321 | 374 | #endregion |
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322 | 375 | |
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323 | 376 | #region IDisposable implementation |
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324 | 377 | |
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325 | 378 | /// <summary> |
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326 | 379 | /// Releases all resource used by the <see cref="Implab.Components.RunnableComponent"/> object. |
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327 | 380 | /// </summary> |
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328 | 381 | /// <remarks> |
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329 | 382 | /// <para>Will not try to stop the component, it will just release all resources. |
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330 | 383 | /// To cleanup the component gracefully use <see cref="Stop()"/> method.</para> |
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331 | 384 | /// <para> |
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332 | 385 | /// In normal cases the <see cref="Dispose()"/> method shouldn't be called, the call to the <see cref="Stop()"/> |
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333 | 386 | /// method is sufficient to cleanup the component. Call <see cref="Dispose()"/> only to cleanup after errors, |
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334 | 387 | /// especially if <see cref="Stop"/> method is failed. Using this method insted of <see cref="Stop()"/> may |
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335 | 388 | /// lead to the data loss by the component. |
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336 | 389 | /// </para></remarks> |
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337 | 390 | [SuppressMessage("Microsoft.Design", "CA1063:ImplementIDisposableCorrectly", Justification = "Dipose(bool) and GC.SuppessFinalize are called")] |
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338 | 391 | public void Dispose() { |
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339 | IPromise pending; | |
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340 | ||
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341 | lock (m_stateMachine) { | |
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342 | if (m_stateMachine.State == ExecutionState.Disposed) | |
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343 | return; | |
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344 | Move(Commands.Dispose, null, null); | |
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345 | } | |
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346 | ||
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347 | GC.SuppressFinalize(this); | |
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348 | Dispose(true); | |
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392 | Move(Commands.Dispose, null, null); | |
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349 | 393 | } |
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350 | 394 | |
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351 | 395 | ~RunnableComponent() { |
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352 | 396 | Dispose(false); |
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353 | 397 | } |
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354 | 398 | |
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355 | 399 | #endregion |
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356 | 400 | |
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357 | 401 | /// <summary> |
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358 | 402 | /// Releases all resources used by the component, called automatically, override this method to implement your cleanup. |
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359 | 403 | /// </summary> |
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360 | 404 | /// <param name="disposing">true if this method is called during normal dispose process.</param> |
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361 | 405 | /// <param name="pending">The operation which is currenty pending</param> |
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362 | 406 | protected virtual void Dispose(bool disposing) { |
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363 | ||
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364 | 407 | } |
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365 | 408 | |
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366 | 409 | } |
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367 | 410 | } |
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368 | 411 |
General Comments 3
ok, latest stable version should be in default
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