Thomas Darimont
Erfahrenes Mitglied
Hallo,
dieser Beitrag erklärt das Strukturelle Muster: Bridge
Ausgabe:
Gruß Tom
dieser Beitrag erklärt das Strukturelle Muster: Bridge
Java:
package de.tutorials.design.patterns.structural;
import org.jpatterns.gof.BridgePattern;
import org.jpatterns.gof.BridgePattern.RefinedAbstraction;
public class BridgePatternExample {
public static void main(String[] args) {
Client c = new Client();
//c.use(new BB()); //compile time error
c.use(new Bridge_A_to_B(new BB()));
}
static class Client{
public void use(A a){
a.operationA();
}
}
@BridgePattern.Abstraction
static abstract class A{
public abstract void operationA();
}
@BridgePattern.Implementor
static abstract class B{
public abstract void operationB();
}
@BridgePattern.ConcreteImplementor
static class BB extends B{
public void operationB(){
System.out.println("operationB");
}
}
@RefinedAbstraction
static class Bridge_A_to_B extends A{
private B b;
public Bridge_A_to_B(BB bb) {
this.b = bb;
}
@Override
public void operationA() {
this.b.operationB();
}
}
}
Ausgabe:
Code:
operationB
Gruß Tom