设计模式-创建型模式-模板方法

public abstract class AbstractClass{
	// 基本方法
	protected abstract void doSomething();	// 对于本包及其子类可见
	protected abstract void doAngthing();
	
	public void templateMethod(){
		this.doAngthing();
		this.doSomething();
	}
}

public class ConcreteClass1 extends AbstractClass {
	// 基本方法
	protected void doAnything(){
		
	}
	protected void doSomething(){
		
	}
}

public class ConcreteClass2 extends AbstractClass {
	// 基本方法
	protected void doAnything(){
		
	}
	protected void doSomething(){
		
	}
}

public class Client{
	ConcreteClass1 class1 = ConcreteClass1();
	ConcreteClass1 class2 = ConcreteClass1();
	
	// 调用模板方法
	class1.templateMethod();
	class2.templateMethod();
}

public abstract class HummerModel{
	// 能发动
	protected abstract void start();
	// 能停下来
	protected abstract void stop();
	// 会发出声响
	protected abstract void alarm();
	// 引擎会响
	protected abstract void engineBoom();
	// 模型会跑
	public final void run(){
		// 发动汽车
		this.start();
		// 引擎轰鸣
		this.engineBoom();
		// 根据钩子，判断是否叫
		if (this.isAlarm()){
			this.alarm();
		}
		// 停车
		this.stop();
	}
	// 钩子
	protected boolean isAlarm(){
		return true;
	}
}

public class HummerH1Model extends HummerModel{
	private boolean alamFlag = true;	// 默认会响
	protected void alarm(){
	}
	protected void engineBoom(){
	}
	protected void start(){
	}
	protected void stop(){
	}
	protected boolean isAlarm(){
		return this.alarmFlag;
	}
	// 要不要响喇叭，由客户决定
	public void setAlarm(boolean isAlarm){
		this.alarmFlag = isAlarm;
	}
}

public class HummerH2Model extends HummerModel{
	private boolean alamFlag = true;	// 默认会响
	protected void alarm(){
	}
	protected void engineBoom(){
	}
	protected void start(){
	}
	protected void stop(){
	}
	protected boolean isAlarm(){
		return this.alarmFlag;
	}
	// 要不要响喇叭，由客户决定
	public void setAlarm(boolean isAlarm){
		this.alarmFlag = isAlarm;
	}
}

public class Client{
	public static void main(String[] args){
		// 生成一个HummerH1Model
		HummerH1Model h1 = new HummerH1Model();
		// 然后设置喇叭
		h1.setAlarm(false);
		// 启动
		h1.run();
		// 模型2
		HummerH2Model h2 = new HummerH2Model();
		h2.run();
	}
}