package stateMachine;
/**
* 机器正在出售糖果的状态
*
* @author seacean
* @date 2013-8-29
*/
public class SoldState implements State {
private Machine machine;
public SoldState(Machine machine) {
this.machine = machine;
}
@Override
public void insertQuarter() {
System.out.println("please wait，we are already giving you a gumball!");
}
@Override
public void ejectQuarter() {
System.out.println("Sorry， you have turned the crank!");
}
@Override
public void turnCrank() {
System.out.println("Turning twice does not get you another gumball!");
}
@Override
public void dispense() {
machine.releaseBall();
if (machine.getCount() > 0) {
machine.setState(machine.getNoQuarterState());
} else {
System.out.println("Out of Gumballs!");
machine.setState(machine.getSoldOutState());
}
}
}

 

package stateMachine;
/**
* 机器处于无糖果状态
* @author seacean
* @date 2013-8-29
*/
public class SoldOutState implements State {
private Machine machine;
public SoldOutState(Machine machine) {
this.machine=machine;
}
@Override
public void insertQuarter() {
System.out.println("Sorry， there is no gumball in the machine!");
}
@Override
public void ejectQuarter() {
System.out.println("Sorry， there is no gumball in sold!");
}
@Override
public void turnCrank() {
System.out.println("Sorry， there is no gumball!Turn is no meaning.");
machine.setState(machine.getNoQuarterState());
}
@Override
public void dispense() {
System.out.println("Sorry， there is no gumball!");
}
}