invoker.java

来自「《Java与模式》一书的源代码」· Java 代码 · 共 18 行

package com.javapatterns.command;

public class Invoker
{
    private Command command;

    public Invoker(Command command)
    {
        this.command = command;
    }

    public void action()
    {
        command.execute();
    }

}