rewindcommand.java

来自「《JAVA与模式》附书中源代码」· Java 代码 · 共 19 行

package com.javapatterns.command.audioplayer;

/**
 *  This class plays the role of Concrete Command
 */

public class RewindCommand implements Command
{
	private AudioPlayer myAudio;

	public RewindCommand ( AudioPlayer a)
    {
	    myAudio = a;
	}
	public void execute()
    {
	    myAudio.rewind();
	}
}