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.initNeighbor5;
  
  import com.tencent.angel.graph.data.Node;
  import com.tencent.angel.ml.matrix.psf.update.base.PartitionUpdateParam;
  import com.tencent.angel.ml.matrix.psf.update.base.UpdateFunc;
  import com.tencent.angel.ps.storage.vector.ServerLongAnyRow;
  
  /* Mini-batch version of pushing csr neighbors */
  public class InitNeighbor extends UpdateFunc {
  
    public InitNeighbor(InitNeighborParam param) {
      super(param);
    }
  
    public InitNeighbor() {
      this(null);
    }
  
    @Override
    public void partitionUpdate(PartitionUpdateParam partParam) {
      InitNeighborPartParam param = (InitNeighborPartParam) partParam;
      ServerLongAnyRow row = (ServerLongAnyRow) (psContext.getMatrixStorageManager().getRow(param.getPartKey(), 0));
  
      long[] keys = param.getKeys();
      long[][] neighborArrays = param.getNeighborArrays();
      int[][] edgeTypes = param.getEdgeTypeArrays();
      int[][] neighborTypes = param.getDstTypeArrays();
  
      row.startWrite();
      try {
        for (int i = 0; i < keys.length; i++) {
          Node node = (Node) row.get(keys[i]);
          if (node == null) {
            node = new Node();
            row.set(keys[i], node);
          }
  
          node.setNeighbors(neighborArrays[i]);
          if (edgeTypes != null)
            node.setEdgeTypes(edgeTypes[i]);
          if (neighborTypes != null)
            node.setTypes(neighborTypes[i]);
        }
      } finally {
        row.endWrite();
      }
  
    }
  
  }
  