package com.cheng.zenofdesignpatterns.patternpk.crosswarzone.facade_vs_mediator.mediator;
public class Tax extends AbsColleague implements ITax {
// 注入中介者
public Tax(AbsMediator _mediator) {
super(_mediator);
}
public void drop() {
super.mediator.down(this);
}
public void raise() {
super.mediator.up(this);
}
}