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.ml.matrix.psf.get.getrow;
  
  import com.tencent.angel.PartitionKey;
  import com.tencent.angel.ml.matrix.psf.get.base.PartitionGetParam;
  import io.netty.buffer.ByteBuf;
  
  /**
   * Partition parameter of get row function.
   */
  public class PartitionGetRowParam extends PartitionGetParam {
    /**
     * row index
     */
    private int rowIndex;
  
    /**
     * Create a new PartitionGetRowParam.
     *
     * @param matrixId matrix id
     * @param rowIndex row index
     * @param partKey  matrix partition key
     */
    public PartitionGetRowParam(int matrixId, int rowIndex, PartitionKey partKey) {
      super(matrixId, partKey);
      this.rowIndex = rowIndex;
    }
  
    /**
     * Create a new PartitionGetRowParam.
     */
    public PartitionGetRowParam() {
      this(-1, -1, null);
    }
  
    /**
     * Get row index.
     *
     * @return int row index
     */
    public int getRowIndex() {
      return rowIndex;
    }
  
    @Override public void serialize(ByteBuf buf) {
      super.serialize(buf);
      buf.writeInt(rowIndex);
    }
  
    @Override public void deserialize(ByteBuf buf) {
      super.deserialize(buf);
      rowIndex = buf.readInt();
    }
  
    @Override public int bufferLen() {
      return 4 + super.bufferLen();
    }
  
    @Override public String toString() {
      return "PartitionGetRowParam{" + "rowIndex=" + rowIndex + "} " + super.toString();
    }
  }
  