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.ps.storage.partition;
  
  import com.tencent.angel.PartitionKey;
  import com.tencent.angel.common.StreamSerialize;
  import com.tencent.angel.ml.matrix.RowType;
  import com.tencent.angel.ps.storage.partition.storage.IServerPartitionStorage;
  
  public abstract class UserDefinePartition extends ServerPartition implements StreamSerialize {
    /**
     * Create a new Server partition,include load rows.
     *
     * @param partKey the partition meta
     * @param rowType row type
     * @param estElemNum valid element number / index range
     * @param storage partition storage
     */
    public UserDefinePartition(PartitionKey partKey, RowType rowType, long estElemNum,
        IServerPartitionStorage storage) {
      super(partKey, rowType, estElemNum, storage);
    }
  
  
    /**
     * Create a new Server partition.
     */
    public UserDefinePartition() {
      this(null, RowType.T_DOUBLE_DENSE, -1, null);
    }
  }
  