view Implab/FailedPromiseT.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 4d9830a9bbb8
children cbe10ac0731e
line wrap: on
line source

using System;
using System.Reflection;

namespace Implab {
    public class FailedPromise<T> : FailedPromise, IPromise<T> {
        public FailedPromise(Exception error) : base(error) {
        }

        public IPromise<T> On(Action<T> success, Action<Exception> error, Action<Exception> cancel) {
            if (error != null) {
                try {
                    error(Error);  
                    // Analysis disable once EmptyGeneralCatchClause
                } catch {
                }
            }
            return this;
        }

        public IPromise<T> On(Action<T> success, Action<Exception> error) {
            if (error != null) {
                try {
                    error(Error);  
                    // Analysis disable once EmptyGeneralCatchClause
                } catch {
                }
            }
            return this;
        }

        public IPromise<T> On(Action<T> success) {
            return this;
        }

        T IPromise<T>.Join() {
            throw new TargetInvocationException(Error);
        }

        T IPromise<T>.Join(int timeout) {
            throw new TargetInvocationException(Error);
        }


        IPromise<T> IPromise<T>.On(Action success, Action<Exception> error, Action<Exception> cancel) {
            On(success, error, cancel);
            return this;
        }

        IPromise<T> IPromise<T>.On(Action success, Action<Exception> error) {
            On(success, error);
            return this;
        }

        IPromise<T> IPromise<T>.On(Action success) {
            On(success);
            return this;
        }

        IPromise<T> IPromise<T>.On(Action handler, PromiseEventType events) {
            On(handler, events);
            return this;
        }
    }
}