lang/cs/Org.Apache.REEF.Tang.Tests/ScenarioTest/TrackingURIProvider.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 Org.Apache.REEF.Tang.Annotations;

namespace Org.Apache.REEF.Tang.Tests.ScenarioTest
{
    [DefaultImplementation(typeof(DefaultTrackingURIProvider))]
    public interface ITrackingURIProvider
    {
        string GetURI();
    }

    [NamedParameter(DefaultValue = " ")]
    public class TrackingId : Name<string>
    {        
    }

    [NamedParameter(DefaultValue = "8080")]
    public class PortNumber : Name<string>
    {        
    }

    public class DefaultTrackingURIProvider : ITrackingURIProvider
    {
        private readonly string port;

        [Inject]
        public DefaultTrackingURIProvider([Parameter(typeof(PortNumber))] string port)
        {
            this.port = port;
        }

        public string GetURI()
        {
            try
            {
                return System.Environment.MachineName + ":" + port;
            }
            catch (Exception)
            {
                return null;
            }
        }
    }
}