package designPatternExtensions.designPattern;
import designPatternExtensions.DependencyInversion;
import designPatternExtensions.InterfaceNode;
import designPatternExtensions.ModelLoader;
import models.deltaAlgebra.MultiplicityValue;
import models.deltaAlgebra.ObjectNode;
import models.objectOrientedTransfer.*;
import java.util.ArrayList;

//https://github.com/iluwatar/java-design-patterns/tree/master/observer
//依存性の逆転構造は再現できているが、OneToManyが使えないから再現できない？
//　SubjectがObserverを記憶し（ManyToOne?PULL?）→DesignCraftが最初に登録してるものとする
//　Clientから更新されたときに、Observerに通知する（OneToMany?PUSH？）→これが正解
//

public class Observer implements DesignPattern{
    public DataTransferDesign create() throws IllegalRelationException {
        DataTransferDesign design = ModelLoader.load("models/designPattern/"+this.getClass().getSimpleName()+".Json");
        DataTransferContext dtc = design.getTransferContexts().getFirst();
        ObjectNode concreteObserver = (ObjectNode) dtc.getDstResource().getEdge(1).getDestination();

        DependencyInversion di1 = new DependencyInversion(concreteObserver, new InterfaceNode(concreteObserver, "WeatherObserver"));
        design.addDependencyInversion(di1);

        return design;
    }
}