package graph;


import java.util.Comparator;

// Exception, das User nach einem ungültigen Knoten sucht
class NameDoesNotExistException extends Exception {
    public NameDoesNotExistException() {
        super();
    }

    public NameDoesNotExistException(String message) {
        super(message);
    }

    public NameDoesNotExistException(String message, Throwable cause) {
        super(message, cause);
    }

    public NameDoesNotExistException(Throwable cause) {
        super(cause);
    }
}


// Element in der PriorityQueue
class WrapperElement<T extends VertexMarking> {

    // ATTRIBUTE

    private MarkedVertex<T> n1;
    private int prio;


    // KONSTRUKTOR

    public WrapperElement(MarkedVertex<T> n1, int prio) {
        this.n1 = n1;
        this.prio = prio;
    }


    // GET-ER

    public MarkedVertex<T> getElement() {
        return this.n1;
    }


    public int getPrio() {
        return this.prio;
    }
}


// 2 Elemente in der PriorityQueue Vergleichen
class WrapperComparator<T extends VertexMarking> implements Comparator<WrapperElement<T>> {

    public int compare(WrapperElement<T> element1, WrapperElement<T> element2) {
        return Integer.compare(element1.getPrio(), element2.getPrio());
    }
}