content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You 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
   *
   *    http://www.apache.org/licenses/LICENSE-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 org.apache.celeborn.common.network.buffer;
  
  import scala.Tuple2;
  
  import io.netty.buffer.CompositeByteBuf;
  
  import org.apache.celeborn.common.meta.MemoryFileInfo;
  import org.apache.celeborn.common.meta.ReduceFileMeta;
  
  public class MemoryChunkBuffers extends ChunkBuffers {
    private final CompositeByteBuf buffer;
  
    public MemoryChunkBuffers(MemoryFileInfo memoryFileInfo) {
      super((ReduceFileMeta) memoryFileInfo.getFileMeta());
      buffer = memoryFileInfo.getBuffer();
    }
  
    @Override
    public ManagedBuffer chunk(int chunkIndex, int offset, int len) {
      Tuple2<Long, Long> offsetLen = getChunkOffsetLength(chunkIndex, offset, len);
      return new NettyManagedBuffer(
          buffer.retainedSlice(offsetLen._1.intValue(), offsetLen._2.intValue()));
    }
  }
  