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.client.psf.sample.samplenodefeats;
  
  import com.tencent.angel.common.ByteBufSerdeUtils;
  import com.tencent.angel.ml.math2.vector.IntFloatVector;
  import com.tencent.angel.ml.matrix.psf.get.base.PartitionGetResult;
  import io.netty.buffer.ByteBuf;
  
  public class PartSampleNodeFeatResult extends PartitionGetResult {
  
    /**
     * Partition id
     */
    public int partId;
  
    /**
     * Node feats
     */
    public IntFloatVector[] feats;
  
    public PartSampleNodeFeatResult(int partId, IntFloatVector[] feats) {
      this.partId = partId;
      this.feats = feats;
    }
  
    public PartSampleNodeFeatResult() {
      this(-1, null);
    }
  
    public IntFloatVector[] getNodeFeats() {
      return feats;
    }
  
    public void setNodeFeats(IntFloatVector[] feats) {
      this.feats = feats;
    }
  
    public int getPartId() {
      return partId;
    }
  
    @Override
    public void serialize(ByteBuf output) {
      ByteBufSerdeUtils.serializeInt(output, partId);
      ByteBufSerdeUtils.serializeInt(output, feats.length);
      for (IntFloatVector feat : feats) {
        if (feat == null) {
          ByteBufSerdeUtils.serializeBoolean(output, true);
        } else {
          ByteBufSerdeUtils.serializeBoolean(output, false);
          ByteBufSerdeUtils.serializeVector(output, feat);
        }
      }
    }
  
    @Override
    public void deserialize(ByteBuf input) {
      partId = ByteBufSerdeUtils.deserializeInt(input);
      int size = ByteBufSerdeUtils.deserializeInt(input);
      feats = new IntFloatVector[size];
      for (int i = 0; i < size; i++) {
        boolean isNull = ByteBufSerdeUtils.deserializeBoolean(input);
        if (!isNull) {
          feats[i] = (IntFloatVector) ByteBufSerdeUtils.deserializeVector(input);
        }
      }
    }
  
    @Override
    public int bufferLen() {
      int len = 2 * ByteBufSerdeUtils.INT_LENGTH;
      for (IntFloatVector feat : feats) {
        len += ByteBufSerdeUtils.BOOLEN_LENGTH;
        if (feat != null) {
          len += ByteBufSerdeUtils.serializedVectorLen(feat);
        }
      }
      return len;
    }
  }
  