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-rw-r--r--ThirdParty/SmartThreadPool/WorkItem.WorkItemResult.cs190
1 files changed, 190 insertions, 0 deletions
diff --git a/ThirdParty/SmartThreadPool/WorkItem.WorkItemResult.cs b/ThirdParty/SmartThreadPool/WorkItem.WorkItemResult.cs
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1using System;
2using System.Collections.Generic;
3using System.Text;
4using System.Threading;
5
6namespace Amib.Threading.Internal
7{
8 public partial class WorkItem
9 {
10 #region WorkItemResult class
11
12 private class WorkItemResult : IWorkItemResult, IInternalWorkItemResult, IInternalWaitableResult
13 {
14 /// <summary>
15 /// A back reference to the work item
16 /// </summary>
17 private readonly WorkItem _workItem;
18
19 public WorkItemResult(WorkItem workItem)
20 {
21 _workItem = workItem;
22 }
23
24 internal WorkItem GetWorkItem()
25 {
26 return _workItem;
27 }
28
29 #region IWorkItemResult Members
30
31 public bool IsCompleted
32 {
33 get
34 {
35 return _workItem.IsCompleted;
36 }
37 }
38
39 public bool IsCanceled
40 {
41 get
42 {
43 return _workItem.IsCanceled;
44 }
45 }
46
47 public object GetResult()
48 {
49 return _workItem.GetResult(Timeout.Infinite, true, null);
50 }
51
52 public object GetResult(int millisecondsTimeout, bool exitContext)
53 {
54 return _workItem.GetResult(millisecondsTimeout, exitContext, null);
55 }
56
57 public object GetResult(TimeSpan timeout, bool exitContext)
58 {
59 return _workItem.GetResult((int)timeout.TotalMilliseconds, exitContext, null);
60 }
61
62 public object GetResult(int millisecondsTimeout, bool exitContext, WaitHandle cancelWaitHandle)
63 {
64 return _workItem.GetResult(millisecondsTimeout, exitContext, cancelWaitHandle);
65 }
66
67 public object GetResult(TimeSpan timeout, bool exitContext, WaitHandle cancelWaitHandle)
68 {
69 return _workItem.GetResult((int)timeout.TotalMilliseconds, exitContext, cancelWaitHandle);
70 }
71
72 public object GetResult(out Exception e)
73 {
74 return _workItem.GetResult(Timeout.Infinite, true, null, out e);
75 }
76
77 public object GetResult(int millisecondsTimeout, bool exitContext, out Exception e)
78 {
79 return _workItem.GetResult(millisecondsTimeout, exitContext, null, out e);
80 }
81
82 public object GetResult(TimeSpan timeout, bool exitContext, out Exception e)
83 {
84 return _workItem.GetResult((int)timeout.TotalMilliseconds, exitContext, null, out e);
85 }
86
87 public object GetResult(int millisecondsTimeout, bool exitContext, WaitHandle cancelWaitHandle, out Exception e)
88 {
89 return _workItem.GetResult(millisecondsTimeout, exitContext, cancelWaitHandle, out e);
90 }
91
92 public object GetResult(TimeSpan timeout, bool exitContext, WaitHandle cancelWaitHandle, out Exception e)
93 {
94 return _workItem.GetResult((int)timeout.TotalMilliseconds, exitContext, cancelWaitHandle, out e);
95 }
96
97 public bool Cancel()
98 {
99 return Cancel(false);
100 }
101
102 public bool Cancel(bool abortExecution)
103 {
104 return _workItem.Cancel(abortExecution);
105 }
106
107 public object State
108 {
109 get
110 {
111 return _workItem._state;
112 }
113 }
114
115 public WorkItemPriority WorkItemPriority
116 {
117 get
118 {
119 return _workItem._workItemInfo.WorkItemPriority;
120 }
121 }
122
123 /// <summary>
124 /// Return the result, same as GetResult()
125 /// </summary>
126 public object Result
127 {
128 get { return GetResult(); }
129 }
130
131 /// <summary>
132 /// Returns the exception if occured otherwise returns null.
133 /// This value is valid only after the work item completed,
134 /// before that it is always null.
135 /// </summary>
136 public object Exception
137 {
138 get { return _workItem._exception; }
139 }
140
141 #endregion
142
143 #region IInternalWorkItemResult Members
144
145 public event WorkItemStateCallback OnWorkItemStarted
146 {
147 add
148 {
149 _workItem.OnWorkItemStarted += value;
150 }
151 remove
152 {
153 _workItem.OnWorkItemStarted -= value;
154 }
155 }
156
157
158 public event WorkItemStateCallback OnWorkItemCompleted
159 {
160 add
161 {
162 _workItem.OnWorkItemCompleted += value;
163 }
164 remove
165 {
166 _workItem.OnWorkItemCompleted -= value;
167 }
168 }
169
170 #endregion
171
172 #region IInternalWorkItemResult Members
173
174 public IWorkItemResult GetWorkItemResult()
175 {
176 return this;
177 }
178
179 public IWorkItemResult<TResult> GetWorkItemResultT<TResult>()
180 {
181 return new WorkItemResultTWrapper<TResult>(this);
182 }
183
184 #endregion
185 }
186
187 #endregion
188
189 }
190}