//
//  ========================================================================
//  Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
//  ------------------------------------------------------------------------
//  All rights reserved. This program and the accompanying materials
//  are made available under the terms of the Eclipse Public License v1.0
//  and Apache License v2.0 which accompanies this distribution.
//
//      The Eclipse Public License is available at
//      http://www.eclipse.org/legal/epl-v10.html
//
//      The Apache License v2.0 is available at
//      http://www.opensource.org/licenses/apache2.0.php
//
//  You may elect to redistribute this code under either of these licenses.
//  ========================================================================
//

package org.eclipse.jetty.io;

import java.io.IOException;

/* ------------------------------------------------------------ */
/** Abstract Connection used by Jetty Connectors.
 * <p>
 * Jetty will call the handle method of a connection when there is work
 * to be done on the connection.  For blocking connections, this is soon
 * as the connection is open and handle will keep being called until the
 * connection is closed.   For non-blocking connections, handle will only
 * be called if there are bytes to be read or the connection becomes writable
 * after being write blocked.
 *
 * @see org.eclipse.jetty.io.nio.SelectorManager
 */
public interface Connection
{
	/* ------------------------------------------------------------ */
	/**
	 * Handle the connection.
	 * @throws IOException if the handling of I/O operations fail
	 */
	void handle() throws IOException;

	/**
	 * @return the timestamp at which the connection was created
	 */
	long getTimeStamp();

	/**
	 * @return whether this connection is idle, that is not parsing and not generating
	 * @see #onIdleExpired(long)
	 */
	boolean isIdle();

	/**
	 * Called when the connection idle timeout expires
	 * @param idleForMs how long the connection has been idle
	 * @see #isIdle()
	 */
	void onIdleExpired(long idleForMs);
}