implab/ImplabNet Files · Implab/PromiseExtensions.cs

major refactoring, added tasks support

cin - - Load All Authors

File last commit:

r75:4439140706d0 v2


                r75:4439140706d0

Download file

             PromiseExtensions.cs
        
                    69 lines
            
             | 1.9 KiB
            
                | text/x-csharp
            
             |
                CSharpLexer
            
             / Implab / PromiseExtensions.cs
          
                    History
                
                 |
                  Source
                 | Raw
                 |Copy content
                 |Copy permalink

        cin
    
promises refactoring

              r72
            
      using System.Threading;

        cin
    
major refactoring, added tasks support

              r75
            
      using System;

      #if NET_4_5

      using System.Threading.Tasks;

      #endif

        cin
    
promises refactoring

              r72
            
      namespace Implab {

          public static class PromiseExtensions {

              public static IPromise<T> DispatchToCurrentContext<T>(this IPromise<T> that) {

        cin
    
major refactoring, added tasks support

              r75
            
                  Safe.ArgumentNotNull(that, "that");

        cin
    
promises refactoring

              r72
            
                  var context = SynchronizationContext.Current;

                  if (context == null)

                      return that;

                  var p = new SyncContextPromise<T>(context, that, true);

                  that.Then(

                      x => p.Resolve(x),

                      e => {

                          p.Reject(e);

                          return default(T);

                      }

                  );

                  return p;

              }

              public static IPromise<T> DispatchToContext<T>(this IPromise<T> that, SynchronizationContext context) {

        cin
    
major refactoring, added tasks support

              r75
            
                  Safe.ArgumentNotNull(that, "that");

        cin
    
promises refactoring

              r72
            
                  Safe.ArgumentNotNull(context, "context");

                  var p = new SyncContextPromise<T>(context, that, true);

                  that.Then(

                      x => p.Resolve(x),

                      e => {

                          p.Reject(e);

                          return default(T);

                      }

                  );

                  return p;

              }

        cin
    
major refactoring, added tasks support

              r75
            
              public static AsyncCallback AsyncCallback<T>(this Promise<T> that, Func<IAsyncResult,T> callback) {

                  Safe.ArgumentNotNull(that, "that");

                  Safe.ArgumentNotNull(callback, "callback");

                  return ar => {

                      try {

                          that.Resolve(callback(ar));

                      } catch (Exception err) {

                          that.Reject(err);

                      }

                  };

              }

              #if NET_4_5

              public static Task<T> GetTask<T>(this IPromise<T> that) {

                  Safe.ArgumentNotNull(that, "that");

                  var tcs = new TaskCompletionSource<T>();

                  that.Last(tcs.SetResult, tcs.SetException, tcs.SetCanceled);

                  return tcs.Task;

              }

              #endif

        cin
    
promises refactoring

              r72
            
          }

      }

	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 promises refactoring	r72	using System.Threading;
cin major refactoring, added tasks support	r75	using System;
		#if NET_4_5
		using System.Threading.Tasks;
		#endif
cin promises refactoring	r72
		namespace Implab {
		public static class PromiseExtensions {
		public static IPromise<T> DispatchToCurrentContext<T>(this IPromise<T> that) {
cin major refactoring, added tasks support	r75	Safe.ArgumentNotNull(that, "that");
cin promises refactoring	r72	var context = SynchronizationContext.Current;
		if (context == null)
		return that;

		var p = new SyncContextPromise<T>(context, that, true);

		that.Then(
		x => p.Resolve(x),
		e => {
		p.Reject(e);
		return default(T);
		}
		);
		return p;
		}

		public static IPromise<T> DispatchToContext<T>(this IPromise<T> that, SynchronizationContext context) {
cin major refactoring, added tasks support	r75	Safe.ArgumentNotNull(that, "that");
cin promises refactoring	r72	Safe.ArgumentNotNull(context, "context");

		var p = new SyncContextPromise<T>(context, that, true);

		that.Then(
		x => p.Resolve(x),
		e => {
		p.Reject(e);
		return default(T);
		}
		);
		return p;
		}
cin major refactoring, added tasks support	r75
		public static AsyncCallback AsyncCallback<T>(this Promise<T> that, Func<IAsyncResult,T> callback) {
		Safe.ArgumentNotNull(that, "that");
		Safe.ArgumentNotNull(callback, "callback");
		return ar => {
		try {
		that.Resolve(callback(ar));
		} catch (Exception err) {
		that.Reject(err);
		}
		};
		}

		#if NET_4_5

		public static Task<T> GetTask<T>(this IPromise<T> that) {
		Safe.ArgumentNotNull(that, "that");
		var tcs = new TaskCompletionSource<T>();

		that.Last(tcs.SetResult, tcs.SetException, tcs.SetCanceled);

		return tcs.Task;
		}

		#endif
cin promises refactoring	r72	}
		}