/*
* The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
* (the "License"). You may not use this work except in compliance with the License, which is
* available at www.apache.org/licenses/LICENSE-2.0
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied, as more fully set forth in the License.
*
* See the NOTICE file distributed with this work for information regarding copyright ownership.
*/
package alluxio.client.keyvalue;
import java.nio.ByteBuffer;
/**
* Interface to access keys and values from the payload buffer.
*/
public interface PayloadReader {
/**
* Gets the key given the position of payload buffer.
*
* @param pos position in the payload storage in bytes
* @return key in {@code ByteBuffer}
*/
ByteBuffer getKey(int pos);
/**
* Gets the value given the position of payload buffer.
*
* @param pos position in the payload storage in bytes
* @return value in {@code ByteBuffer}
*/
ByteBuffer getValue(int pos);
}