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.plugin.flink.buffer;
  
  import org.apache.flink.runtime.io.network.buffer.Buffer;
  
  /** Header information for a {@link org.apache.flink.runtime.io.network.buffer.Buffer}. */
  public class BufferHeader {
  
    private final Buffer.DataType dataType;
  
    private final boolean isCompressed;
    private int subPartitionId;
    private int attemptId;
    private int nextBatchId;
    private int totalLength;
  
    // current buffer's size
    private final int size;
  
    public BufferHeader(Buffer.DataType dataType, boolean isCompressed, int size) {
      this(0, 0, 0, size + 2, dataType, isCompressed, size);
    }
  
    public BufferHeader(
        int subPartitionId, Buffer.DataType dataType, boolean isCompressed, int size) {
      this(subPartitionId, 0, 0, size + 2, dataType, isCompressed, size);
    }
  
    public BufferHeader(
        int subPartitionId,
        int attemptId,
        int nextBatchId,
        int totalLength,
        Buffer.DataType dataType,
        boolean isCompressed,
        int size) {
      this.subPartitionId = subPartitionId;
      this.attemptId = attemptId;
      this.nextBatchId = nextBatchId;
      this.totalLength = totalLength;
      this.dataType = dataType;
      this.isCompressed = isCompressed;
      this.size = size;
    }
  
    public int getSubPartitionId() {
      return subPartitionId;
    }
  
    public Buffer.DataType getDataType() {
      return dataType;
    }
  
    public boolean isCompressed() {
      return isCompressed;
    }
  
    public int getSize() {
      return size;
    }
  }
  