/**
* 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.network;
import java.io.IOException;
import java.nio.channels.WritableByteChannel;
/**
* Any data that needs to be sent over the network can implement
* this interface
*/
public interface Send {
/**
* Writes content into the provided channel
* @param channel The channel into which data needs to be written to
* @return Number of bytes written
* @throws IOException
*/
long writeTo(WritableByteChannel channel) throws IOException;
/**
* Returns true if the all data has been written
* @return True if all the data has been written else false
*/
boolean isSendComplete();
/**
* The total size in bytes that needs to be written to the channel
* @return The size of the data in bytes to be written
*/
long sizeInBytes();
}