annotate Implab/FuncTask.cs @ 203:4d9830a9bbb8 v2

Added 'Fail' method to RunnableComponent which allows component to move from Running to Failed state. Added PollingComponent a timer based runnable component More tests Added FailPromise a thin class to wrap exceptions Fixed error handling in SuccessPromise classes.
author cin
date Tue, 18 Oct 2016 17:49:54 +0300
parents 40d7fed4a09e
children eee3e49dd1ff
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
144
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
1 using System;
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
2 using System.Threading;
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
3
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
4 namespace Implab {
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
5 public class FuncTask<T> : FuncTaskBase<T>, IDeferred {
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
6 readonly Func<T> m_task;
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
7
149
eb793fbbe4ea fixed promises cancellation
cin
parents: 144
diff changeset
8 public FuncTask(Func<T> task, Func<Exception, T> error, Func<Exception, T> cancel, bool autoCancellable) : base(error, cancel, autoCancellable) {
144
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
9 m_task = task;
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
10 }
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
11
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
12 public void Resolve() {
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
13 if (m_task != null && LockCancelation()) {
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
14 try {
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
15 SetResult(m_task());
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
16 } catch(Exception err) {
196
40d7fed4a09e fixed promise chaining behavior, the error handler doesn't handle result or cancellation handlers exceptions these exceptions are propagated to the next handlers.
cin
parents: 187
diff changeset
17 SetErrorInternal(err);
144
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
18 }
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
19 }
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
20 }
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
21 }
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
22 }
8c0b95069066 DRAFT: refactoring
cin
parents:
diff changeset
23