private boolean initializePointers() {
if (getRootClusters() == null) {
return false;
}
pointersToClusterLevels = new TreeMap<>();
ArrayList<NodeCluster> outClusters = null;
outClusters = new ArrayList<>();
ArrayList<NodeCluster> tempClusters = new ArrayList<>();
tempClusters.addAll(getRootClusters().values());
boolean levelFound = false;
int currentLevel = 0;
// first, find the highest nodecluster in the set
for (NodeCluster nc : tempClusters) {
if (nc.getClusterStepFormed() > currentLevel) currentLevel = nc.getClusterStepFormed();
}
while (!levelFound) {
if (currentLevel == 0) {
levelFound = true;
outClusters.addAll(tempClusters);
} else {
ArrayList<NodeCluster> tempClusters2 = new ArrayList<>();
tempClusters2.addAll(tempClusters);
tempClusters = new ArrayList<>();
for (NodeCluster nc : tempClusters2) {
// if (nc.getClusterStepParented()==maxLevel-1)
// outClusters.add(nc);
// else
if (nc.getClusterStepFormed() < currentLevel || nc.isLeaf()) tempClusters.add(nc);
else tempClusters.addAll(nc.getChildren().values());
}
currentLevel--;
}
}
return true;
}