AustrianToast/graphprogram_java
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finished findBridges

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This commit is contained in:
René Fuhry 2023-05-23 13:46:55 +02:00 committed by GitHub
parent 5a16504bd2
commit 7f0849e1b1
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1 changed files with 25 additions and 7 deletions
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32
src/Graph.java
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@ -24,7 +24,7 @@ public class Graph {
calculateExzentrizitäten();
calculateProperties();
findComponents();
findBridges();
findBridges(file);
findArticulations(file);
}
@ -163,16 +163,27 @@ public class Graph {
return newComponents;
}
public void findBridges() {
public void findBridges(String file) {
bridges = new ArrayList<>(1);
ArrayList<ArrayList<Integer>> newComponents;
int[] bridge;
boolean contains;
for(int rowIndex = 0; rowIndex < adjazenzMatrix.getRowLength(); rowIndex++) {
for(int columnIndex = 0; columnIndex < adjazenzMatrix.getColumnLength(); columnIndex++) {
if(rowIndex == columnIndex) {
continue;
}
bridge = new int[2];
bridge[0] = columnIndex + 1;
bridge[1] = rowIndex + 1;
if(columnIndex < rowIndex) {
bridge[0] = columnIndex + 1;
bridge[1] = rowIndex + 1;
} else {
bridge[1] = columnIndex + 1;
bridge[0] = rowIndex + 1;
}
adjazenzMatrix.insert(rowIndex, columnIndex, 0);
adjazenzMatrix.insert(columnIndex, rowIndex, 0);
@ -181,12 +192,19 @@ public class Graph {
newComponents = findComponents(wegMatrix);
if(newComponents.size() > components.size()) {
contains = false;
for (int[] array : bridges) {
if(Arrays.equals(array, bridge)) {
contains = true;
break;
}
}
if(newComponents.size() > components.size() && !contains) {
bridges.add(bridge);
}
adjazenzMatrix.insert(rowIndex, columnIndex, 1);
adjazenzMatrix.insert(columnIndex, rowIndex, 1);
adjazenzMatrix = new Matrix(file);
}
}
calculateWegMatrix();