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.vector.storage;
  
  import io.netty.buffer.ByteBuf;
  import java.io.DataInputStream;
  import java.io.DataOutputStream;
  import java.io.IOException;
  
  public abstract class Storage implements IStorage {
  
    protected long indexOffset;
  
    public Storage(long indexOffset) {
      this.indexOffset = indexOffset;
    }
  
    public long getIndexOffset() {
      return indexOffset;
    }
  
    public void setIndexOffset(long indexOffset) {
      this.indexOffset = indexOffset;
    }
  
  
    public void serialize(ByteBuf buf) {
      buf.writeLong(indexOffset);
    }
  
    public void deserialize(ByteBuf buf) {
      indexOffset = buf.readLong();
    }
  
    public int bufferLen() {
      return 8;
    }
  
    public void serialize(DataOutputStream output) throws IOException {
      output.writeLong(indexOffset);
    }
  
    public void deserialize(DataInputStream input) throws IOException {
      indexOffset = input.readLong();
    }
  
    public int dataLen() {
      return 8;
    }
  
    public long dataSize() {
      return 8;
    }
  }
  