/**
* The MIT License
* Copyright (c) 2014-2016 Ilkka Seppälä
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.reactor.framework;
import java.nio.channels.SelectionKey;
/**
* Represents the <i>EventHandler</i> of Reactor pattern. It handles the incoming events dispatched
* to it by the {@link Dispatcher}. This is where the application logic resides.
*
* <p>
* A {@link ChannelHandler} can be associated with one or many {@link AbstractNioChannel}s, and
* whenever an event occurs on any of the associated channels, the handler is notified of the event.
*/
public interface ChannelHandler {
/**
* Called when the {@code channel} receives some data from remote peer.
*
* @param channel the channel from which the data was received.
* @param readObject the data read.
* @param key the key on which read event occurred.
*/
void handleChannelRead(AbstractNioChannel channel, Object readObject, SelectionKey key);
}