lang/cs/Org.Apache.REEF.Driver/Defaults/DefaultEvaluatorFailureHandler.cs

// Licensed to the Apache Software Foundation (ASF) under one
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// 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.Globalization;
using Org.Apache.REEF.Driver.Evaluator;
using Org.Apache.REEF.Tang.Annotations;
using Org.Apache.REEF.Utilities.Diagnostics;
using Org.Apache.REEF.Utilities.Logging;

namespace Org.Apache.REEF.Driver.Defaults
{
    /// <summary>
    ///  Default event handler used for FailedEvaluator: It crashes the driver.
    /// </summary>
    public class DefaultEvaluatorFailureHandler : IObserver<IFailedEvaluator>
    {        
        [Inject]
        public DefaultEvaluatorFailureHandler()
        {
        }

        public void OnNext(IFailedEvaluator value)
        {
            var e = new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "Evaluator {0} failed, and no handler is bound for FailedEvaluator.", value.Id));
            Exceptions.Throw(e, Logger.GetLogger(typeof(DefaultEvaluatorFailureHandler)));
        }

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

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