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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.io;
import java.nio.channels.SocketChannel;
import java.io.IOException;
/**
* Connection interface is the abstraction for an operating
* asynchronous NIO connection. One is created for each
* "accept" on the channel.
*
* @author <a href="mailto:travisb@yahoo-inc.com">Bob Travis</a>
* @author <a href="mailto:borud@yahoo-inc.com">Bjorn Borud</a>
*
*/
public interface Connection {
/**
* called when the channel can accept a write, and is
* enabled for writing
*/
public void write() throws IOException;
/**
* Called when the channel can accept a read, and is
* enabled for reading
*/
public void read() throws IOException;
/**
* Called when the channel should be closed.
*/
public void close() throws IOException;
/**
* Called when a socket has completed connecting to its
* destination. (Asynchronous connect)
*/
public void connect() throws IOException;
/**
* called to get the correct initial SelectionKey operation
* flags for the next Select cycle, for this channel
*/
public int selectOps();
/**
* Called to get the SocketChannel for this Connection.
*
* @return Returns the SocketChannel representing this connection
*/
public SocketChannel socketChannel();
}
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