Mercurial > silverbladetech

annotate MetroWpf/MetroWpf.Framework/ServiceClient.cs @ 120:48c389520e5d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
initial commit
author stevenh7776
date Thu, 31 May 2012 14:12:43 +0100
parents 060f02cd4591
children
rev   line source
15
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
1 using System;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
2 using System.Threading.Tasks;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
3
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
4 namespace MetroWpf.Framework
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
5 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
6 public class ServiceClient
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
7 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
8 public static T Execute<T>(
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
9 Func<T> func,
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
10 int timeoutMilliseconds,
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
11 int maxAttempts)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
12 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
13 T result;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
14 Exception e;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
15 TryExecute(func, timeoutMilliseconds, maxAttempts, out result, out e);
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
16 if (e != null) throw e;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
17 return result;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
18 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
19
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
20 public static bool TryExecute<T>(
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
21 Func<T> func,
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
22 int timeoutMilliseconds,
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
23 int maxAttempts,
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
24 out T result,
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
25 out Exception e)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
26 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
27 bool isSuccessful = false;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
28 var t = default(T);
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
29 e = null;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
30
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
31 var task = Task.Factory.StartNew(() =>
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
32 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
33 for (int i = 0; i < maxAttempts; i++)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
34 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
35 try { t = func(); }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
36 catch { if (i == maxAttempts - 1) { throw; } }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
37 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
38 });
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
39
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
40 try
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
41 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
42 task.Wait(timeoutMilliseconds);
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
43 if (!task.IsCompleted)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
44 e = new TimeoutException();
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
45 else
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
46 isSuccessful = true;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
47 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
48 catch (AggregateException ae)
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
49 {
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
50 e = ae.InnerException;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
51 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
52
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
53 result = t;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
54 return isSuccessful;
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
55 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
56 }
060f02cd4591 Initial commit, pre airport work
stevenh7776 stevenhollidge@hotmail.com
parents:
diff changeset
57 }