view Implab/ActionChainTaskT.cs @ 207:558f34b2fb50 v2

added Safe.DispatchEvent() a legacy equivalent for '?.Invoke()' added Safe.Dispose(IEnumerable) added PromiseExtensions.CancellationPoint to add a cancellation point to the chain of promises added IPromise<T> PromiseExtensions.Then<T>(this IPromise<T> that, Action<T> success) overloads added PromiseExtensions.Error() overloads to handle a error or(and) a cancellation
author cin
date Wed, 09 Nov 2016 12:03:22 +0300
parents 40d7fed4a09e
children
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line source

using System;

namespace Implab {
    public class ActionChainTask<T> : ActionChainTaskBase, IDeferred<T> {
        readonly Func<T, IPromise> m_task;

        public ActionChainTask(Func<T, IPromise> task, Func<Exception, IPromise> error, Func<Exception, IPromise> cancel, bool autoCancellable) : base(error,cancel, autoCancellable) {
            m_task = task;
        }

        public void Resolve(T value) {
            if (m_task != null && LockCancelation()) {
                try {
                    var p = m_task(value);
                    p.On(SetResult, HandleErrorInternal, HandleCancelInternal);
                    CancellationRequested(p.Cancel);
                } catch(Exception err) {
                    SetErrorInternal(err);
                }
            }
        }

    }
}