lang/cs/Org.Apache.REEF.Driver/Bridge/ClrSystemHandler.cs

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

using System;
using System.Collections.Generic;

namespace Org.Apache.REEF.Driver.Bridge
{
    internal sealed class ClrSystemHandler<T> : IObserver<T>, IObservable<T>
    {
        readonly List<IObserver<T>> userHandlers = new List<IObserver<T>>();

        public void OnNext(T value)
        {
            foreach (var observer in userHandlers)
            {
                observer.OnNext(value);
            }
        }

        public void OnError(Exception error)
        {
            throw new NotImplementedException();
        }

        public void OnCompleted()
        {
            throw new NotImplementedException();
        }

        public IDisposable Subscribe(IObserver<T> observer)
        {
            userHandlers.Add(observer);
            return null;
        }
    }
}