view Implab/PromiseAwaiter.cs @ 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.
author cin
date Mon, 29 Aug 2016 23:15:51 +0300
parents ec91a6dfa5b3
children cbe10ac0731e
line wrap: on
line source

using System;
using System.Runtime.CompilerServices;

namespace Implab {
    public struct PromiseAwaiter : INotifyCompletion {
        readonly IPromise m_promise;

        public PromiseAwaiter(IPromise promise) {
            m_promise = promise;
        }

        public void OnCompleted (Action continuation) {
            if (m_promise != null)
                m_promise.On(continuation, PromiseEventType.All);
        }

        public void GetResult() {
            m_promise.Join();
        }

        public bool IsCompleted {
            get {
                return m_promise.IsResolved;
            }
        }
    }
}