/**
* Copyright 2016 LinkedIn Corp. 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
*
* 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.
*/
package com.github.ambry.store;
import java.io.IOException;
import java.util.List;
/**
* The message set that needs to be written to a write interface
*/
public interface MessageWriteSet {
/**
* Write the messages in this set to the given write channel
* @param writeChannel The write interface to write the messages to
* @return The size in bytes that was written to the write interface
*/
public long writeTo(Write writeChannel) throws IOException;
/**
* Returns info about the messages contained in this write set. The messages
* need not be ordered in any specific format
* @return The list of message info about the message set
*/
public List<MessageInfo> getMessageSetInfo();
}