﻿// 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
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// under the License.

using System;
using System.Collections.Generic;
using Org.Apache.REEF.Tang.Annotations;
using Org.Apache.REEF.Wake.Impl;
using Org.Apache.REEF.Wake.Time.Runtime.Event;

namespace Org.Apache.REEF.Wake.Time.Parameters
{
    /// <summary>
    /// Bind this to an event handler to statically subscribe to the RuntimeStop Event
    /// </summary>
    [NamedParameter(documentation: "Will be called upon the runtime stop event", defaultClass: typeof(LoggingEventHandler<RuntimeStop>))]
    public sealed class RuntimeStopHandler : Name<ISet<IObserver<RuntimeStop>>>
    {
        // This class is a named parameter and shall never be instantiated.
        private RuntimeStopHandler()
        {
        }
    }
}