lang/cs/Org.Apache.REEF.IMRU.Examples/OnREEFIMRURunTimeConfiguration.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.Globalization;
using Org.Apache.REEF.Client.Local;
using Org.Apache.REEF.Client.Yarn;
using Org.Apache.REEF.IMRU.OnREEF.Client;
using Org.Apache.REEF.IO.FileSystem.Hadoop;
using Org.Apache.REEF.Tang.Implementations.Configuration;
using Org.Apache.REEF.Tang.Interface;

namespace Org.Apache.REEF.IMRU.Examples
{
    /// <summary>
    /// Configuration for Runtime for IMRU on REEF.
    /// </summary>
    /// <typeparam name="TMapInput">The type of the side information provided to the Map function</typeparam>
    /// <typeparam name="TMapOutput">The return type of the Map function</typeparam>
    /// <typeparam name="TResult">The return type of the computation.</typeparam>
    internal static class OnREEFIMRURunTimeConfiguration<TMapInput, TMapOutput, TResult>
    {
        /// <summary>
        /// Function that specifies local runtime configuration for IMRU
        /// </summary>
        /// <returns>The local runtime configuration</returns>
        internal static IConfiguration GetLocalIMRUConfiguration(int numNodes, params string[] runTimeDir)
        {
            IConfiguration runtimeConfig;
            IConfiguration imruClientConfig =
                REEFIMRUClientConfiguration<TMapInput, TMapOutput, TResult>.ConfigurationModule.Build();

            if (runTimeDir.Length != 0)
            {
                runtimeConfig = LocalRuntimeClientConfiguration.ConfigurationModule
                    .Set(LocalRuntimeClientConfiguration.NumberOfEvaluators,
                        numNodes.ToString(CultureInfo.InvariantCulture))
                    .Set(LocalRuntimeClientConfiguration.RuntimeFolder, runTimeDir[0])
                    .Build();
            }
            else
            {
                runtimeConfig = LocalRuntimeClientConfiguration.ConfigurationModule
                   .Set(LocalRuntimeClientConfiguration.NumberOfEvaluators,
                       numNodes.ToString(CultureInfo.InvariantCulture))
                   .Build();
            }

            return Configurations.Merge(runtimeConfig, imruClientConfig);
        }

        /// <summary>
        /// Function that specifies yarn runtime configuration for IMRU on the cluster
        /// </summary>
        /// <returns>The yarn runtime configuration</returns>
        internal static IConfiguration GetYarnIMRUConfiguration()
        {
            IConfiguration imruClientConfig =
                REEFIMRUClientConfiguration<TMapInput, TMapOutput, TResult>.ConfigurationModule.Build();

            var fileSystemConfig = HadoopFileSystemConfiguration.ConfigurationModule.Build();

            IConfiguration runtimeConfig =
                YARNClientConfiguration.ConfigurationModule.Build();
            return Configurations.Merge(runtimeConfig, imruClientConfig, fileSystemConfig);
        }
    }
}