meetingcommand.java

简单的会议议程系统,展示了Command 模式的应用

/*
 * @(#)MeetingCommand.java        2006/11/13
 *
 * Copyright (c) ZhiYang.
 * All rights reserved.
*/

package his; // HIS: Human Interactive Service

/**
 * 会议命令类
 * @version 1.0
 * @author 杨智 (MSE2006B-06250145)
 *
 */

class MeetingCommand implements Command {

	private Reactor reactor;
	private Object[] params;	
	private UIMessager msger;
	
	public MeetingCommand( Reactor reactor, Object[] params, UIMessager msger ) {
		this.reactor = reactor;
		this.params = params;
		this.msger = msger;
	}
	
	/*
	 * default is nothing done.
	*/
	public boolean execute(){ 
		if( reactor == null ) 
			return false;
		return reactor.doit(params, msger);
	}

}