Mercurial > pub > ImplabNet

annotate Implab/ActionTaskBase.cs @ 230:3e26338eb977 v2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
slowly cutting off mono specific settings
author cin
date Wed, 13 Sep 2017 16:55:13 +0300
parents 40d7fed4a09e
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
145
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
1 using System;
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
2
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
3 namespace Implab {
187
dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
cin
parents: 149
diff changeset
4 public class ActionTaskBase : AbstractTask {
145
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
5 readonly Action<Exception> m_cancel;
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
6 readonly Action<Exception> m_error;
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
7
149
eb793fbbe4ea fixed promises cancellation
cin
parents: 145
diff changeset
8 protected ActionTaskBase( Action<Exception> error, Action<Exception> cancel, bool autoCancellable) {
145
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
9 m_error = error;
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
10 m_cancel = cancel;
149
eb793fbbe4ea fixed promises cancellation
cin
parents: 145
diff changeset
11 if (autoCancellable)
eb793fbbe4ea fixed promises cancellation
cin
parents: 145
diff changeset
12 CancellationRequested(CancelOperation);
145
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
13 }
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
14
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
15 public void Reject(Exception error) {
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
16 Safe.ArgumentNotNull(error, "error");
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
17 if (LockCancelation())
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
18 HandleErrorInternal(error);
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
19 }
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
20
187
dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
cin
parents: 149
diff changeset
21 public override void CancelOperation(Exception reason) {
dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
cin
parents: 149
diff changeset
22 if (LockCancelation())
dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
cin
parents: 149
diff changeset
23 HandleCancelInternal(reason);
dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
cin
parents: 149
diff changeset
24 }
dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
cin
parents: 149
diff changeset
25
145
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
26 protected void HandleErrorInternal(Exception error) {
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
27 if (m_error != null) {
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
28 try {
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
29 m_error(error);
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
30 SetResult();
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
31 } catch(Exception err) {
187
dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
cin
parents: 149
diff changeset
32 SetErrorInternal(err);
145
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
33 }
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
34 } else {
187
dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
cin
parents: 149
diff changeset
35 SetErrorInternal(error);
145
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
36 }
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
37 }
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
38
187
dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
cin
parents: 149
diff changeset
39 protected void HandleCancelInternal(Exception error) {
dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
cin
parents: 149
diff changeset
40 if (m_cancel != null) {
dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
cin
parents: 149
diff changeset
41 try {
dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
cin
parents: 149
diff changeset
42 m_cancel(error);
dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
cin
parents: 149
diff changeset
43 SetResult();
dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
cin
parents: 149
diff changeset
44 } 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
45 SetErrorInternal(err);
145
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
46 }
187
dd4a3590f9c6 Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler
cin
parents: 149
diff changeset
47 } else {
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
48 SetCancelledInternal(error);
145
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
49 }
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
50 }
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
51 }
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
52 }
706fccb85524 RC: cancellation support for promises + tests
cin
parents:
diff changeset
53