/*
* 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.io.IOException;
/**
* Interface to write to the payload buffer.
*/
public interface PayloadWriter {
/**
* Inserts a key and a value into the payload buffer, returns an offset indicating where the key
* and value data is stored in payload buffer.
*
* @param key bytes of key
* @param value bytes of value
* @return the offset of this key-value pair in payload buffer
*/
int insert(byte[] key, byte[] value) throws IOException;
}