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.ml.matrix.RowType;
  import com.tencent.angel.ps.server.data.request.UpdateOp;
  import com.tencent.angel.ps.storage.partition.op.ICSRStorageOp;
  import com.tencent.angel.ps.storage.partition.storage.CSRStorage;
  import io.netty.buffer.ByteBuf;
  
  public class CSRPartition extends ServerPartition implements ICSRStorageOp {
    /**
     * Create new CSRPartition
     *
     * @param partKey partition key
     * @param storage row-based matrix partition storage
     * @param rowType row type
     */
    public CSRPartition(PartitionKey partKey, long estElemNum, CSRStorage storage,
        RowType rowType) {
      super(partKey, rowType, estElemNum, storage);
    }
  
    public CSRPartition() {
      this(null, -1, null, RowType.T_DOUBLE_DENSE);
    }
  
    @Override
    public CSRStorage getStorage() {
      return (CSRStorage) super.getStorage();
    }
  
    @Override
    public void update(ByteBuf buf, UpdateOp op) {
      throw new UnsupportedOperationException("pipeline update not support for CSRPartition now");
    }
  
    @Override
    public void init() {
      getStorage().init(partKey);
    }
  
    @Override
    public void reset() {
      getStorage().reset();
    }
  }
  