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.getnodes;
  
  import com.tencent.angel.PartitionKey;
  import com.tencent.angel.ml.matrix.psf.get.base.GetParam;
  import com.tencent.angel.ml.matrix.psf.get.base.PartitionGetParam;
  import com.tencent.angel.psagent.PSAgentContext;
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  
  public class GetNodesParam extends GetParam {
  
    private int[] partitionIds;
  
    public GetNodesParam(int matrixId, int[] partitionIds) {
      super(matrixId);
      this.partitionIds = partitionIds;
    }
  
    public GetNodesParam() {
      super();
    }
  
    @Override
    public List<PartitionGetParam> split() {
      List<PartitionKey> parts = PSAgentContext.get().getMatrixMetaManager().getPartitions(matrixId);
      List<PartitionGetParam> params = new ArrayList<>();
  
      Map<Integer, PartitionKey> pkeys = new HashMap<>();
      for (PartitionKey pkey : parts) {
        pkeys.put(pkey.getPartitionId(), pkey);
      }
  
      for (int i = 0; i < partitionIds.length; i++) {
        params.add(new PartitionGetParam(matrixId, pkeys.get(partitionIds[i])));
      }
  
      return params;
    }
  }
  