AustrianToast/graphprogram_java
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minor refactoring

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findBridges still doesn't work
This commit is contained in:
René Fuhry
2023-05-22 16:05:23 +02:00
committed by GitHub
parent 85dd40e64e
commit 5a16504bd2
1 changed files with 22 additions and 20 deletions
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42
src/Graph.java
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@@ -5,10 +5,10 @@ public class Graph {
private Matrix adjazenzMatrix;
private Matrix distanzMatrix;
private Matrix wegMatrix;
private boolean zusammenhaengend;
private boolean connected;
private ArrayList<Integer> exzentrizitäten;
private int radius;
private int durchmesser;
private int diameter;
private ArrayList<Integer> centre;
private ArrayList<ArrayList<Integer>> components;
private ArrayList<int[]> bridges;
@@ -24,7 +24,7 @@ public class Graph {
calculateExzentrizitäten();
calculateProperties();
findComponents();
//findBridges();
findBridges();
findArticulations(file);
}
@@ -101,26 +101,26 @@ public class Graph {
public void calculateProperties() {
radius = Integer.MAX_VALUE;
durchmesser = -1;
zusammenhaengend = true;
diameter = -1;
connected = true;
centre = new ArrayList<>(1);
for(int rowIndex = 0; rowIndex < exzentrizitäten.size(); rowIndex++) {
if(exzentrizitäten.get(rowIndex) > durchmesser) {
durchmesser = exzentrizitäten.get(rowIndex);
if(exzentrizitäten.get(rowIndex) > diameter) {
diameter = exzentrizitäten.get(rowIndex);
centre.clear();
centre.add(rowIndex + 1);
}
if(exzentrizitäten.get(rowIndex) < radius) {
radius = exzentrizitäten.get(rowIndex);
}
if(exzentrizitäten.get(rowIndex) == durchmesser) {
if(exzentrizitäten.get(rowIndex) == diameter) {
centre.add(rowIndex + 1);
}
}
if(radius == 0) {
zusammenhaengend = false;
connected = false;
}
}
@@ -168,27 +168,28 @@ public class Graph {
ArrayList<ArrayList<Integer>> newComponents;
int[] bridge;
for(int columnIndex = 0; columnIndex < wegMatrix.getColumnLength(); columnIndex++) {
for(int rowIndex = 0; rowIndex < wegMatrix.getRowLength(); rowIndex++) {
for(int rowIndex = 0; rowIndex < adjazenzMatrix.getRowLength(); rowIndex++) {
for(int columnIndex = 0; columnIndex < adjazenzMatrix.getColumnLength(); columnIndex++) {
bridge = new int[2];
bridge[0] = columnIndex + 1;
bridge[1] = rowIndex + 1;
wegMatrix.insert(rowIndex, columnIndex, 0);
wegMatrix.insert(columnIndex, rowIndex, 0);
adjazenzMatrix.insert(rowIndex, columnIndex, 0);
adjazenzMatrix.insert(columnIndex, rowIndex, 0);
calculateWegMatrix();
newComponents = findComponents(wegMatrix);
//System.out.println(Arrays.toString(bridge));
if(newComponents.size() > components.size()) {
//System.out.println("bruh");
bridges.add(bridge);
}
wegMatrix.insert(rowIndex, columnIndex, 1);
wegMatrix.insert(columnIndex, rowIndex, 1);
adjazenzMatrix.insert(rowIndex, columnIndex, 1);
adjazenzMatrix.insert(columnIndex, rowIndex, 1);
}
}
calculateWegMatrix();
}
public void findArticulations(String file) {
@@ -213,6 +214,7 @@ public class Graph {
adjazenzMatrix = new Matrix(file);
}
calculateWegMatrix();
}
public String toString() {
@@ -220,14 +222,14 @@ public class Graph {
s += "Adjazenzmatrix:\n" + adjazenzMatrix + "\nDistanzmatrix:\n" + distanzMatrix + "\nWegmatrix:\n" + wegMatrix;
if(!zusammenhaengend) {
if(!connected) {
s += "\nExzentrizitäten/Radius/Durchmesser: Kein zusammenhängender Graph";
} else {
s += "\nExzentrizitäten: " + exzentrizitäten.toString() + "\nRadius: " + radius + "\nDurchmesser: " + durchmesser;
s += "\nExzentrizitäten: " + exzentrizitäten.toString() + "\nRadius: " + radius + "\nDurchmesser: " + diameter;
}
s += "\nZentrum: ";
if(!zusammenhaengend) {
if(!connected) {
s += "Kein zusammenhängender Graph";
} else {
s += centre;