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.triangle;
  
  import com.tencent.angel.ml.matrix.psf.get.base.PartitionGetResult;
  import io.netty.buffer.ByteBuf;
  
  /**
   * Result of GetNeighborWithByteAttr
   */
  public class PartGetNeighborWithAttrResult extends PartitionGetResult {
  
      private int partId;
      private NeighborsAttrsCompressedElement[] neighborsCompressed;
  
  
      public PartGetNeighborWithAttrResult(int partitionId, NeighborsAttrsCompressedElement[] neighborsCompressed) {
          this.partId = partitionId;
          this.neighborsCompressed = neighborsCompressed;
          assert (neighborsCompressed != null);
      }
  
      public PartGetNeighborWithAttrResult() {
          this(-1, null);
      }
  
      public NeighborsAttrsCompressedElement[] getNeighborsCompressed() {
          return neighborsCompressed;
      }
  
      public int getPartId() {
          return partId;
      }
  
      @Override
      public void serialize(ByteBuf output) {
          output.writeInt(partId);
          output.writeInt(neighborsCompressed.length);
          for (int i = 0; i < neighborsCompressed.length; i++) {
              if (neighborsCompressed[i] == null) {
                  output.writeInt(0); // neighborLen
                  output.writeInt(0); // attrLen
              } else {
                  neighborsCompressed[i].serialize(output);
              }
          }
      }
  
      @Override
      public void deserialize(ByteBuf input) {
          partId = input.readInt();
          int len = input.readInt();
          neighborsCompressed = new NeighborsAttrsCompressedElement[len];
          for (int i = 0; i < len; i++) {
              NeighborsAttrsCompressedElement elem = new NeighborsAttrsCompressedElement();
              elem.deserialize(input);
              neighborsCompressed[i] = elem;
          }
      }
  
      @Override
      public int bufferLen() {
          int len = 8;
          for (int i = 0; i < neighborsCompressed.length; i++) {
              if (neighborsCompressed[i] == null) {
                  len += 4 * 2;
              } else {
                  len += neighborsCompressed[i].bufferLen();
              }
          }
          return len;
      }
  }
  