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ConcreteObserver.java
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51 lines (40 loc) · 1.06 KB
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package designpattern.observer;
/**
* 具体观察者
*
* @author liu yuning
*
*/
public class ConcreteObserver extends Observer {
private String name;
private String observerState;
private ConcreteSubject concreteSubject;
public ConcreteObserver(ConcreteSubject concreteSubject, String name) {
this.setName(name);
this.setConcreteSubject(concreteSubject);
}
@Override
public void update() {
this.setObserverState(concreteSubject.getSubjectState());
System.out.println("观察者" + this.getName() + "的新状态是"
+ this.getObserverState());
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getObserverState() {
return observerState;
}
public void setObserverState(String observerState) {
this.observerState = observerState;
}
public ConcreteSubject getConcreteSubject() {
return concreteSubject;
}
public void setConcreteSubject(ConcreteSubject concreteSubject) {
this.concreteSubject = concreteSubject;
}
}