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.sampleneighbor;
  
  import com.tencent.angel.PartitionKey;
  import com.tencent.angel.ml.matrix.MatrixMeta;
  import com.tencent.angel.ml.matrix.psf.get.base.PartitionGetParam;
  import com.tencent.angel.psagent.PSAgentContext;
  import com.tencent.angel.psagent.matrix.transport.router.KeyValuePart;
  import com.tencent.angel.psagent.matrix.transport.router.RouterUtils;
  import java.util.ArrayList;
  import java.util.List;
  
  public class SampleNeighborWithFilterParam extends SampleNeighborWithTypeParam {
  
    protected final long[] filterWithNeighKeys;
    protected final long[] filterWithoutNeighKeys;
  
    public SampleNeighborWithFilterParam(int matrixId, long[] nodeIds, int count,
        SampleType sampleType, long[] filterWithNeighKeys, long[] filterWithoutNeighKeys) {
      super(matrixId, nodeIds, count, sampleType);
      this.filterWithNeighKeys = filterWithNeighKeys;
      this.filterWithoutNeighKeys = filterWithoutNeighKeys;
    }
  
    public SampleNeighborWithFilterParam() {
      this(-1, null, -1, null, null, null);
    }
  
    @Override
    public List<PartitionGetParam> split() {
      // Get matrix meta
      MatrixMeta meta = PSAgentContext.get().getMatrixMetaManager().getMatrixMeta(matrixId);
      PartitionKey[] partitions = meta.getPartitionKeys();
  
      // Split nodeIds
      KeyValuePart[] splits = RouterUtils.split(meta, 0, nodeIds, filterWithNeighKeys);
      assert partitions.length == splits.length;
  
      // Generate node ids
      List<PartitionGetParam> partParams = new ArrayList<>(partitions.length);
      for (int i = 0; i < partitions.length; i++) {
        if (splits[i] != null && splits[i].size() > 0) {
          partParams.add(
              new PartSampleNeighborWithFilterParam(matrixId, partitions[i], count, sampleType,
                  splits[i], filterWithoutNeighKeys));
        }
      }
  
      return partParams;
    }
  
    public long[] getFilterWithNeighKeys() {
      return filterWithNeighKeys;
    }
  
    public long[] getFilterWithoutNeighKeys() {
      return filterWithoutNeighKeys;
    }
  }
  