/*

  * 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.

  */

 package org.apache.giraph.comm;

 import org.apache.giraph.bsp.CentralizedServiceWorker;

 import org.apache.giraph.graph.Edge;

 import org.apache.giraph.graph.Vertex;

 import org.apache.giraph.graph.WorkerInfo;

 import org.apache.giraph.graph.partition.Partition;

 import org.apache.hadoop.io.Writable;

 import org.apache.hadoop.io.WritableComparable;

 import org.apache.hadoop.mapreduce.Mapper;

 import java.io.IOException;

 import java.util.Collection;

 import java.util.Map;

 /**

  * Netty based implementation of the {@link WorkerClientServer} interface.

  *

  * @param <I> Vertex id

  * @param <V> Vertex data

  * @param <E> Edge data

  * @param <M> Message data

  */

 @SuppressWarnings("rawtypes")

 public class NettyWorkerClientServer<I extends WritableComparable,

     V extends Writable, E extends Writable, M extends Writable>

     implements WorkerClientServer<I, V, E, M> {

   /** Client that sends requests */

   private final WorkerClient<I, V, E, M> client;

   /** Server that processes requests */

   private final WorkerServer<I, V, E, M> server;

   /**

    * Constructor.

    *

    * @param context Mapper context

    * @param service Service for partition lookup

    */

   public NettyWorkerClientServer(Mapper<?, ?, ?, ?>.Context context,

       CentralizedServiceWorker<I, V, E, M> service) {

     server = new NettyWorkerServer<I, V, E, M>(context.getConfiguration(),

         service);

     client = new NettyWorkerClient<I, V, E, M>(context, service,

        ((NettyWorkerServer<I, V, E, M>) server).getServerData());

   }

   @Override

   public void fixPartitionIdToSocketAddrMap() {

     client.fixPartitionIdToSocketAddrMap();

   }

   @Override

   public void sendMessageRequest(I destVertexId, M message) {

     client.sendMessageRequest(destVertexId, message);

   }

   @Override

   public void sendPartitionRequest(WorkerInfo workerInfo,

                                    Partition<I, V, E, M> partition) {

     client.sendPartitionRequest(workerInfo, partition);

   }

   @Override

   public void addEdgeRequest(I vertexIndex, Edge<I, E> edge) throws

       IOException {

     client.addEdgeRequest(vertexIndex, edge);

   }

   @Override

   public void removeEdgeRequest(I vertexIndex,

                                 I destinationVertexIndex) throws IOException {

     client.removeEdgeRequest(vertexIndex, destinationVertexIndex);

   }

   @Override

   public void addVertexRequest(Vertex<I, V, E, M> vertex) throws IOException {

     client.addVertexRequest(vertex);

   }

   @Override

   public void removeVertexRequest(I vertexIndex) throws IOException {

     client.removeVertexRequest(vertexIndex);

   }

   @Override

   public void flush() throws IOException {

     client.flush();

   }

   @Override

   public long resetMessageCount() {

     return client.resetMessageCount();

   }

   @Override

   public void closeConnections() throws IOException {

     client.closeConnections();

   }

   @Override

   public void setup() {

     client.fixPartitionIdToSocketAddrMap();

   }

   @Override

   public void prepareSuperstep() {

     server.prepareSuperstep();

   }

   @Override

   public Map<Integer, Collection<Vertex<I, V, E, M>>>

   getInPartitionVertexMap() {

     return server.getInPartitionVertexMap();

   }

   @Override

   public ServerData<I, V, E, M> getServerData() {

     return server.getServerData();

   }

   @Override

   public void close() {

     server.close();

   }

   @Override

   public int getPort() {

     return server.getPort();

   }

 }