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/*******************************************************************************
 * Copyright (c) 2009 Schooner Information Technology, Inc.
 * All rights reserved.
 * 
 * http://www.schoonerinfotech.com/
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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package com.schooner.MemCached.command;

import java.io.IOException;

import com.schooner.MemCached.SchoonerSockIO;

/**
 * The parent of all the command class.
 * 
 * @author Qinliang Lin
 * @since 2.5.0
 * @see com.schooner.MemCached.command.Command
 */
public abstract class Command {

	public static final String DELIMITER = " ";
	public static final String RETURN = "\r\n";

	public static final byte B_RETURN = (byte) 13;
	public static final byte B_NEXTLINE = (byte) 10;

	protected byte[] textLine = null;

	public short request(SchoonerSockIO sock) throws IOException {
		short rid = sock.preWrite();
		sock.writeBuf.put(textLine);
		sock.writeBuf.flip();
		sock.getByteChannel().write(sock.writeBuf);
		return rid;
	}
}




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