implab/ImplabNet Files · Implab/FuncChainTaskBase.cs

Promises: SignalXXX methods merged into SignalHandler method....

Promises: SignalXXX methods merged into SignalHandler method. Components: RunnableComponent In progress

cin - - Load All Authors

File last commit:

r149:eb793fbbe4ea v2


                r156:97fbbf816844

Download file

             FuncChainTaskBase.cs
        
                    58 lines
            
             | 1.8 KiB
            
                | text/x-csharp
            
             |
                CSharpLexer
            
             / Implab / FuncChainTaskBase.cs
          
                    History
                
                 |
                  Source
                 | Raw
                 |Copy content
                 |Copy permalink

        cin
    
RC: cancellation support for promises + tests

              r145
            
      using System;

      using System.Threading;

      namespace Implab {

          public class FuncChainTaskBase<TResult> : AbstractPromise<TResult> {

              readonly Func<Exception, IPromise<TResult>> m_error;

              readonly Func<Exception, IPromise<TResult>> m_cancel;

              int m_cancelationLock;

        cin
    
fixed promises cancellation

              r149
            
              protected FuncChainTaskBase( Func<Exception, IPromise<TResult>> error, Func<Exception, IPromise<TResult>> cancel, bool autoCancellable) {

        cin
    
RC: cancellation support for promises + tests

              r145
            
                  m_error = error;

                  m_cancel = cancel;

        cin
    
fixed promises cancellation

              r149
            
                  if (autoCancellable)

                      CancellationRequested(CancelOperation);

        cin
    
RC: cancellation support for promises + tests

              r145
            
              }

              public void Reject(Exception error) {

                  if (LockCancelation())

                      HandleErrorInternal(error);

              }

              public override void CancelOperation(Exception reason) {

        cin
    
fixed promises cancellation

              r149
            
                  if (LockCancelation()) {

                      if (m_cancel != null) {

                          try {

                              m_cancel(reason).On(SetResult, HandleErrorInternal, SetCancelled);

                          } catch (Exception err) {

                              HandleErrorInternal(err);

                          }

                      } else {

                          SetCancelled(reason);

        cin
    
RC: cancellation support for promises + tests

              r145
            
                      }

                  }

              }

              protected void HandleErrorInternal(Exception error) {

                  if (m_error != null) {

                      try {

        cin
    
fixed promises cancellation

              r149
            
                          var operation = m_error(error);

                          operation.On(SetResult, SetError, SetCancelled);

                          CancellationRequested(operation.Cancel);

        cin
    
RC: cancellation support for promises + tests

              r145
            
                      } catch(Exception err) {

                          SetError(err);

                      }

                  } else {

                      SetError(error);

                  }

              }

              protected bool LockCancelation() {

                  return 0 == Interlocked.CompareExchange(ref m_cancelationLock, 1, 0);

              }

          }

      }

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

cin RC: cancellation support for promises + tests	r145	using System;
		using System.Threading;

		namespace Implab {
		public class FuncChainTaskBase<TResult> : AbstractPromise<TResult> {
		readonly Func<Exception, IPromise<TResult>> m_error;
		readonly Func<Exception, IPromise<TResult>> m_cancel;

		int m_cancelationLock;

cin fixed promises cancellation	r149	protected FuncChainTaskBase( Func<Exception, IPromise<TResult>> error, Func<Exception, IPromise<TResult>> cancel, bool autoCancellable) {
cin RC: cancellation support for promises + tests	r145	m_error = error;
		m_cancel = cancel;
cin fixed promises cancellation	r149	if (autoCancellable)
		CancellationRequested(CancelOperation);
cin RC: cancellation support for promises + tests	r145	}

		public void Reject(Exception error) {
		if (LockCancelation())
		HandleErrorInternal(error);
		}

		public override void CancelOperation(Exception reason) {
cin fixed promises cancellation	r149	if (LockCancelation()) {
		if (m_cancel != null) {
		try {
		m_cancel(reason).On(SetResult, HandleErrorInternal, SetCancelled);
		} catch (Exception err) {
		HandleErrorInternal(err);
		}
		} else {
		SetCancelled(reason);
cin RC: cancellation support for promises + tests	r145	}
		}

		}

		protected void HandleErrorInternal(Exception error) {
		if (m_error != null) {
		try {
cin fixed promises cancellation	r149	var operation = m_error(error);

		operation.On(SetResult, SetError, SetCancelled);
		CancellationRequested(operation.Cancel);
cin RC: cancellation support for promises + tests	r145	} catch(Exception err) {
		SetError(err);
		}
		} else {
		SetError(error);
		}
		}

		protected bool LockCancelation() {
		return 0 == Interlocked.CompareExchange(ref m_cancelationLock, 1, 0);
		}
		}
		}