implab/ImplabNet Files · Implab/IPromise.cs

implemeted new cancellable promises concept

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promises

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             IPromise.cs
        
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      using System;

      using System.Collections.Generic;

      using System.Linq;

      using System.Text;

      namespace Implab

      {

          public interface IPromise

          {

              /// <summary>

              /// Check whereather the promise has no more than one dependent promise.

              /// </summary>

              bool IsExclusive

              {

                  get;

              }

              /// <summary>

              /// The current state of the promise.

              /// </summary>

              PromiseState State

              {

                  get;

              }

              /// <summary>

              /// Tries to cancel the promise or the complete chain.

              /// </summary>

              /// <param name="dependencies">Try to cancel the whole promise chain, the parent promise will be cancelled only if it has only one promise</param>

              /// <returns></returns>

              bool Cancel(bool dependencies);

              /// <summary>

              /// Registers handler for the case when the promise is cencelled. If the promise already cancelled the

              /// handler will be invoked immediatelly.

              /// </summary>

              /// <param name="handler">The handler</param>

              void HandleCancelled(Action handler);

          }

      }

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				using System;
				using System.Collections.Generic;
				using System.Linq;
				using System.Text;

				namespace Implab
				{
				public interface IPromise
				{
				/// <summary>
				/// Check whereather the promise has no more than one dependent promise.
				/// </summary>
				bool IsExclusive
				{
				get;
				}

				/// <summary>
				/// The current state of the promise.
				/// </summary>
				PromiseState State
				{
				get;
				}

				/// <summary>
				/// Tries to cancel the promise or the complete chain.
				/// </summary>
				/// <param name="dependencies">Try to cancel the whole promise chain, the parent promise will be cancelled only if it has only one promise</param>
				/// <returns></returns>
				bool Cancel(bool dependencies);

				/// <summary>
				/// Registers handler for the case when the promise is cencelled. If the promise already cancelled the
				/// handler will be invoked immediatelly.
				/// </summary>
				/// <param name="handler">The handler</param>
				void HandleCancelled(Action handler);
				}
				}