content: /*
   * Tencent is pleased to support the open source community by making Angel available.
   *
   * Copyright (C) 2017-2018 THL A29 Limited, a Tencent company. All rights reserved.
   *
   * Licensed 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
   *
   * https://opensource.org/licenses/Apache-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 com.tencent.angel.graph.model.neighbor.dynamic.psf.get;
  
  import com.tencent.angel.common.ByteBufSerdeUtils;
  import com.tencent.angel.ml.matrix.psf.get.base.PartitionGetResult;
  import io.netty.buffer.ByteBuf;
  
  /**
   * Result of GetNeighbor
   */
  public class PartGetNeighborResult extends PartitionGetResult {
  
    /**
     * Node id to neighbors map
     */
    private byte[][] neighbors;
    private long[] nodes;
  
    public PartGetNeighborResult(long[] nodes, byte[][] neighbors) {
      this.nodes = nodes;
      this.neighbors = neighbors;
    }
  
    public PartGetNeighborResult() {
      this(null, null);
    }
  
    public long[] getNodes() {
      return nodes;
    }
  
    public byte[][] getNeighbors() {
      return neighbors;
    }
  
    @Override
    public void serialize(ByteBuf output) {
      ByteBufSerdeUtils.serializeLongs(output, nodes);
      ByteBufSerdeUtils.serializeInt(output, neighbors.length);
      for (int i = 0; i < neighbors.length; i++) {
        ByteBufSerdeUtils.serializeBytes(output, neighbors[i]);
      }
    }
  
    @Override
    public void deserialize(ByteBuf input) {
      nodes = ByteBufSerdeUtils.deserializeLongs(input);
      int num = ByteBufSerdeUtils.deserializeInt(input);
      neighbors = new byte[num][];
      for (int i = 0; i < num; i++) {
        neighbors[i] = ByteBufSerdeUtils.deserializeBytes(input);
      }
    }
  
    @Override
    public int bufferLen() {
      int len = ByteBufSerdeUtils.serializedLongsLen(nodes);
      len += 4;
      for (int i = 0; i < neighbors.length; i++) {
        len += ByteBufSerdeUtils.serializedBytesLen(neighbors[i]);
      }
      return len;
    }
  }
  