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.psf.embedding.line;
  
  import com.tencent.angel.ml.matrix.psf.get.base.PartitionGetResult;
  import io.netty.buffer.ByteBuf;
  
  public class DotPartitionResult extends PartitionGetResult {
    float[] values;
    int length;
    ByteBuf buf;
  
    public DotPartitionResult(float[] values) {
      this.values = values;
    }
  
    public DotPartitionResult() {
    }
  
    @Override
    public void serialize(ByteBuf buf) {
      buf.writeInt(values.length);
      for (float value : values) {
        buf.writeFloat(value);
      }
    }
  
    @Override
    public void deserialize(ByteBuf buf) {
      this.length = buf.readInt();
      this.buf = buf.duplicate();
      this.buf.retain();
    }
  
    @Override
    public int bufferLen() {
      return 4 + values.length * 4;
    }
  
    public void merge(float[] result) {
      for (int c = 0; c < result.length; c++) result[c] += buf.readFloat();
    }
  
    public void clear() {
      buf.release();
    }
  }
  