lang/cs/Org.Apache.REEF.Network/Naming/Codec/NamingLookupResponseCodec.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
//
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using System.Collections.Generic;
using System.Linq;
using Org.Apache.REEF.Common.Io;
using Org.Apache.REEF.Network.Naming.Contracts;
using Org.Apache.REEF.Network.Naming.Events;
using Org.Apache.REEF.Utilities;
using Org.Apache.REEF.Wake.Remote;

namespace Org.Apache.REEF.Network.Naming.Codec
{
    internal sealed class NamingLookupResponseCodec : ICodec<NamingLookupResponse>
    {
        public byte[] Encode(NamingLookupResponse obj)
        {
            List<AvroNamingAssignment> tuples = obj.NameAssignments
                .Select(assignment => new AvroNamingAssignment()
                {
                    id = assignment.Identifier, 
                    host = assignment.Endpoint.Address.ToString(),
                    port = assignment.Endpoint.Port
                }).ToList();

            AvroNamingLookupResponse response = new AvroNamingLookupResponse { tuples = tuples };
            return AvroUtils.AvroSerialize(response);
        }

        public NamingLookupResponse Decode(byte[] data)
        {
            AvroNamingLookupResponse response = AvroUtils.AvroDeserialize<AvroNamingLookupResponse>(data);
            List<NameAssignment> assignments =
                response.tuples.Select(x => new NameAssignment(x.id, x.host, x.port)).ToList();

            return new NamingLookupResponse(assignments);
        }
    }
}