Mercurial > pub > ImplabNet

annotate Implab/Safe.cs @ 135:656815cb7147 v2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fixed chaining of promises with 'Then' method
author cin
date Fri, 13 Feb 2015 02:08:01 +0300
parents 6c49d02a9a05
children 706fccb85524
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
6fb3b01ee971 Added utility class for safe disposing methods.
cin
parents:
diff changeset
1 using System;
6fb3b01ee971 Added utility class for safe disposing methods.
cin
parents:
diff changeset
2 using System.Collections.Generic;
6fb3b01ee971 Added utility class for safe disposing methods.
cin
parents:
diff changeset
3 using System.Linq;
6fb3b01ee971 Added utility class for safe disposing methods.
cin
parents:
diff changeset
4 using System.Text;
51
2c332a9c64c0 Added methods for parameter checks
cin
parents: 31
diff changeset
5 using System.Text.RegularExpressions;
66
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
6 using System.Diagnostics;
1
6fb3b01ee971 Added utility class for safe disposing methods.
cin
parents:
diff changeset
7
6fb3b01ee971 Added utility class for safe disposing methods.
cin
parents:
diff changeset
8 namespace Implab
6fb3b01ee971 Added utility class for safe disposing methods.
cin
parents:
diff changeset
9 {
6fb3b01ee971 Added utility class for safe disposing methods.
cin
parents:
diff changeset
10 public static class Safe
6fb3b01ee971 Added utility class for safe disposing methods.
cin
parents:
diff changeset
11 {
121
62d2f1e98c4e working version of AsyncQueue and batch operations
cin
parents: 119
diff changeset
12 public static void ArgumentMatch(string value, string paramName, Regex rx) {
51
2c332a9c64c0 Added methods for parameter checks
cin
parents: 31
diff changeset
13 if (rx == null)
2c332a9c64c0 Added methods for parameter checks
cin
parents: 31
diff changeset
14 throw new ArgumentNullException("rx");
121
62d2f1e98c4e working version of AsyncQueue and batch operations
cin
parents: 119
diff changeset
15 if (!rx.IsMatch(value))
62d2f1e98c4e working version of AsyncQueue and batch operations
cin
parents: 119
diff changeset
16 throw new ArgumentException(String.Format("The prameter value must match {0}", rx), paramName);
51
2c332a9c64c0 Added methods for parameter checks
cin
parents: 31
diff changeset
17 }
2c332a9c64c0 Added methods for parameter checks
cin
parents: 31
diff changeset
18
121
62d2f1e98c4e working version of AsyncQueue and batch operations
cin
parents: 119
diff changeset
19 public static void ArgumentNotEmpty(string value, string paramName) {
62d2f1e98c4e working version of AsyncQueue and batch operations
cin
parents: 119
diff changeset
20 if (String.IsNullOrEmpty(value))
62d2f1e98c4e working version of AsyncQueue and batch operations
cin
parents: 119
diff changeset
21 throw new ArgumentException("The parameter can't be empty", paramName);
90
efcb076407a7 code cleanup
cin
parents: 66
diff changeset
22 }
efcb076407a7 code cleanup
cin
parents: 66
diff changeset
23
121
62d2f1e98c4e working version of AsyncQueue and batch operations
cin
parents: 119
diff changeset
24 public static void ArgumentNotEmpty<T>(T[] value, string paramName) {
62d2f1e98c4e working version of AsyncQueue and batch operations
cin
parents: 119
diff changeset
25 if (value == null || value.Length == 0)
62d2f1e98c4e working version of AsyncQueue and batch operations
cin
parents: 119
diff changeset
26 throw new ArgumentException("The array must be not emty", paramName);
51
2c332a9c64c0 Added methods for parameter checks
cin
parents: 31
diff changeset
27 }
2c332a9c64c0 Added methods for parameter checks
cin
parents: 31
diff changeset
28
121
62d2f1e98c4e working version of AsyncQueue and batch operations
cin
parents: 119
diff changeset
29 public static void ArgumentNotNull(object value, string paramName) {
62d2f1e98c4e working version of AsyncQueue and batch operations
cin
parents: 119
diff changeset
30 if (value == null)
62d2f1e98c4e working version of AsyncQueue and batch operations
cin
parents: 119
diff changeset
31 throw new ArgumentNullException(paramName);
51
2c332a9c64c0 Added methods for parameter checks
cin
parents: 31
diff changeset
32 }
2c332a9c64c0 Added methods for parameter checks
cin
parents: 31
diff changeset
33
121
62d2f1e98c4e working version of AsyncQueue and batch operations
cin
parents: 119
diff changeset
34 public static void ArgumentInRange(int value, int min, int max, string paramName) {
62d2f1e98c4e working version of AsyncQueue and batch operations
cin
parents: 119
diff changeset
35 if (value < min || value > max)
62d2f1e98c4e working version of AsyncQueue and batch operations
cin
parents: 119
diff changeset
36 throw new ArgumentOutOfRangeException(paramName);
55
c0bf853aa04f Added initial JSON support
cin
parents: 51
diff changeset
37 }
c0bf853aa04f Added initial JSON support
cin
parents: 51
diff changeset
38
128
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
39 public static void Dispose(params IDisposable[] objects) {
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
40 foreach (var d in objects)
126
f7b2b8bfbb8c minor changes
cin
parents: 121
diff changeset
41 if (d != null)
f7b2b8bfbb8c minor changes
cin
parents: 121
diff changeset
42 d.Dispose();
1
6fb3b01ee971 Added utility class for safe disposing methods.
cin
parents:
diff changeset
43 }
66
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
44
128
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
45 public static void Dispose(params object[] objects) {
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
46 foreach (var obj in objects) {
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
47 var d = obj as IDisposable;
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
48 if (d != null)
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
49 d.Dispose();
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
50 }
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
51 }
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
52
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
53 public static void Dispose(object obj) {
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
54 var d = obj as IDisposable;
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
55 if (d != null)
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
56 d.Dispose();
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
57 }
6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
cin
parents: 126
diff changeset
58
66
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
59 [DebuggerStepThrough]
132
5fb2bbffdece minor fixes
cin
parents: 131
diff changeset
60 public static IPromise<T> WrapPromise<T>(Func<T> action) {
66
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
61 ArgumentNotNull(action, "action");
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
62
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
63 var p = new Promise<T>();
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
64 try {
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
65 p.Resolve(action());
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
66 } catch (Exception err) {
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
67 p.Reject(err);
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
68 }
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
69
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
70 return p;
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
71 }
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
72
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
73 [DebuggerStepThrough]
132
5fb2bbffdece minor fixes
cin
parents: 131
diff changeset
74 public static IPromise WrapPromise(Action action) {
95
0141a165d032 minor changes
cin
parents: 94
diff changeset
75 ArgumentNotNull(action, "action");
0141a165d032 minor changes
cin
parents: 94
diff changeset
76
119
2573b562e328 Promises rewritten, added improved version of AsyncQueue
cin
parents: 96
diff changeset
77 var p = new Promise();
95
0141a165d032 minor changes
cin
parents: 94
diff changeset
78 try {
0141a165d032 minor changes
cin
parents: 94
diff changeset
79 action();
0141a165d032 minor changes
cin
parents: 94
diff changeset
80 p.Resolve();
0141a165d032 minor changes
cin
parents: 94
diff changeset
81 } catch (Exception err) {
0141a165d032 minor changes
cin
parents: 94
diff changeset
82 p.Reject(err);
0141a165d032 minor changes
cin
parents: 94
diff changeset
83 }
0141a165d032 minor changes
cin
parents: 94
diff changeset
84
0141a165d032 minor changes
cin
parents: 94
diff changeset
85 return p;
0141a165d032 minor changes
cin
parents: 94
diff changeset
86 }
0141a165d032 minor changes
cin
parents: 94
diff changeset
87
0141a165d032 minor changes
cin
parents: 94
diff changeset
88 [DebuggerStepThrough]
131
b5c2d609d71b minor changes
cin
parents: 128
diff changeset
89 public static IPromise InvokePromise(Func<IPromise> action) {
b5c2d609d71b minor changes
cin
parents: 128
diff changeset
90 ArgumentNotNull(action, "action");
b5c2d609d71b minor changes
cin
parents: 128
diff changeset
91
b5c2d609d71b minor changes
cin
parents: 128
diff changeset
92 try {
133
cin
parents: 132
diff changeset
93 var p = action();
cin
parents: 132
diff changeset
94 if (p == null) {
cin
parents: 132
diff changeset
95 var d = new Promise();
cin
parents: 132
diff changeset
96 d.Reject(new Exception("The action returned null"));
cin
parents: 132
diff changeset
97 p = d;
cin
parents: 132
diff changeset
98 }
cin
parents: 132
diff changeset
99 return p;
131
b5c2d609d71b minor changes
cin
parents: 128
diff changeset
100 } catch (Exception err) {
133
cin
parents: 132
diff changeset
101 var p = new Promise();
131
b5c2d609d71b minor changes
cin
parents: 128
diff changeset
102 p.Reject(err);
133
cin
parents: 132
diff changeset
103 return p;
131
b5c2d609d71b minor changes
cin
parents: 128
diff changeset
104 }
b5c2d609d71b minor changes
cin
parents: 128
diff changeset
105 }
b5c2d609d71b minor changes
cin
parents: 128
diff changeset
106
b5c2d609d71b minor changes
cin
parents: 128
diff changeset
107 [DebuggerStepThrough]
94
a43745f81f10 minor fixes
cin
parents: 90
diff changeset
108 public static IPromise<T> InvokePromise<T>(Func<IPromise<T>> action) {
66
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
109 ArgumentNotNull(action, "action");
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
110
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
111 try {
94
a43745f81f10 minor fixes
cin
parents: 90
diff changeset
112 return action() ?? Promise<T>.ExceptionToPromise(new Exception("The action returned null"));
66
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
113 } catch (Exception err) {
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
114 return Promise<T>.ExceptionToPromise(err);
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
115 }
790e8a997d30 Refactoring
cin
parents: 55
diff changeset
116 }
1
6fb3b01ee971 Added utility class for safe disposing methods.
cin
parents:
diff changeset
117 }
6fb3b01ee971 Added utility class for safe disposing methods.
cin
parents:
diff changeset
118 }