Graphen
parent
7fe3e8f765
commit
7f3f5d6ded
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@ -12,6 +12,8 @@ public class Graph {
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KnotenGraph.add(k);
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KnotenGraph.add(k);
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}
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}
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public Knote getKnote(String name) {
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public Knote getKnote(String name) {
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for (Knote kAusKnotenGraph: KnotenGraph) {
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for (Knote kAusKnotenGraph: KnotenGraph) {
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if (kAusKnotenGraph.getName().equalsIgnoreCase(name))
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if (kAusKnotenGraph.getName().equalsIgnoreCase(name))
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@ -2,21 +2,60 @@ package Graphen;
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public class Kanten {
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public class Kanten {
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// jede Kante verbindet zwei Knoten
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// jede Kante verbindet zwei Knoten
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Knote anfangsKnote; // mannheim
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private Knote anfangsKnote;
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Knote endeKnote; // heidelberg
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private Knote endeKnote;
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private boolean UndirectedGraph;
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private int gewicht;
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// Kante verbindet zwei Knoten (Undirected Graph)
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public Kanten(Knote anfangsKnote, Knote endeKnote, boolean UndirectedGraph) {
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this.anfangsKnote = anfangsKnote;
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this.endeKnote = endeKnote;
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this.UndirectedGraph = UndirectedGraph;
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anfangsKnote.addKante(this); //speichert dann zu ihrem ArrayList diese Kante
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endeKnote.addKante(this);//speichert dann auch zu ihrem ArrayList diese gleiche Kante
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}
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// Kante verbindet eine Knote (Directed Graph)
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public Kanten(Knote anfangsKnote, Knote endeKnote) {
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public Kanten(Knote anfangsKnote, Knote endeKnote) {
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this.anfangsKnote = anfangsKnote;
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this.anfangsKnote = anfangsKnote;
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this.endeKnote = endeKnote;
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this.endeKnote = endeKnote;
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anfangsKnote.addKante(this);
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anfangsKnote.addKante(this);
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endeKnote.addKante(this);
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}
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// Kante verbindet eine Knoten und mit Gewicht (Weighted Directed Graph)
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public Kanten(Knote anfangsKnote, Knote endeKnote, int gewicht) {
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this.anfangsKnote = anfangsKnote;
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this.endeKnote = endeKnote;
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//anfangsKnote.addkanteMitGewicht(this,gewicht);
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}
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// Kante verbindet zwei Knoten und mit Gewicht (Weighted UnDirected Graph)
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public Kanten(Knote anfangsKnote, Knote endeKnote, int gewicht, boolean UndirectedGraph) {
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this.anfangsKnote = anfangsKnote;
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this.endeKnote = endeKnote;
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// anfangsKnote.addkanteMitGewicht(this, gewicht);
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// endeKnote.addkanteMitGewicht(this, gewicht);
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this.UndirectedGraph = UndirectedGraph;
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}
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}
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public Knote getPartner(Knote k) {
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public Knote getPartner(Knote k) {
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Knote partner = (k == anfangsKnote) ? endeKnote : anfangsKnote;
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return (k == anfangsKnote) ? endeKnote : anfangsKnote;
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return partner;
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}
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}
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public int getGewicht() {
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return gewicht;
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}
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public Knote getAnfangsKnote() {
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return anfangsKnote;
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}
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public Knote getEndeKnote() {
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return endeKnote;
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}
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}
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}
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@ -1,20 +1,24 @@
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package Graphen;
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package Graphen;
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import java.util.ArrayList;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Map;
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public class Knote {
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public class Knote {
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String name;
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private String name;
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ArrayList<Kanten> kantenList = new ArrayList<>();
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private ArrayList<Kanten> kantenList = new ArrayList<>();
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Knote(String name){
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Knote(String name){
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this.name = name;
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this.name = name;
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}
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}
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//add kante zu this (knote)
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public void addKante(Kanten k) {
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public void addKante(Kanten k) {
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kantenList.add(k);
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kantenList.add(k);
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}
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}
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public String getName() {
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public String getName() {
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return name;
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return name;
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}
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}
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@ -24,13 +28,12 @@ public class Knote {
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return kantenList;
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return kantenList;
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}
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}
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ArrayList<Knote> verbindeteKnoten;
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public void getPartner() {
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public void getPartner() {
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ArrayList<Kanten> merker = getKantenList();
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ArrayList<Kanten> merker = getKantenList();
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if (merker == null)
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if (merker == null)
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return ;
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return ;
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verbindeteKnoten = new ArrayList<>();
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ArrayList<Knote> verbindeteKnoten = new ArrayList<>();
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for (Kanten m : merker)
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for (Kanten m : merker)
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verbindeteKnoten.add(m.getPartner(this));
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verbindeteKnoten.add(m.getPartner(this));
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@ -4,15 +4,17 @@ public class Test {
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public static void main(String[] args) {
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public static void main(String[] args) {
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Graph graph = new Graph();
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Graph graph = new Graph();
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Knote mannheim = new Knote("Mannheim");
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Knote mannheim = new Knote("Mannheim");
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Knote heidelberg = new Knote("Heidelberg");
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Knote heidelberg = new Knote("Heidelberg");
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Knote Maiz = new Knote("Maiz");
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graph.addknoten(mannheim);
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graph.addknoten(mannheim);
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graph.addknoten(heidelberg);
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graph.addknoten(heidelberg);
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graph.addknoten(Maiz);
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new Kanten(graph.getKnote("Mannheim"),graph.getKnote("Heidelberg"));
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mannheim.getPartner();
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Kanten k3 = new Kanten(graph.getKnote("Heidelberg"),graph.getKnote("Maiz"),25,true);
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heidelberg.getPartner();
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}
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}
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