private void removeNodeFrom(int node, Community from) {
Community community = nodeCommunities[node];
for (Edge e : topology[node]) {
int neighbor = e.getTarget();
////////
// Remove Node Connection to this community
Double edgesTo = nodeConnectionsWeight[neighbor].get(community);
int countEdgesTo = nodeConnectionsCount[neighbor].get(community);
if (countEdgesTo - 1 == 0) {
nodeConnectionsWeight[neighbor].remove(community);
nodeConnectionsCount[neighbor].remove(community);
} else {
nodeConnectionsWeight[neighbor].put(
community, edgesTo - Double.parseDouble(e.getProperty("weight").toString()));
nodeConnectionsCount[neighbor].put(community, countEdgesTo - 1);
}
///////////////////
// Remove Adjacency Community's connection to this community
Community adjCom = nodeCommunities[neighbor];
Double oEdgesto = adjCom.connectionsWeight.get(community);
int oCountEdgesto = adjCom.connectionsCount.get(community);
if (oCountEdgesto - 1 == 0) {
adjCom.connectionsWeight.remove(community);
adjCom.connectionsCount.remove(community);
} else {
adjCom.connectionsWeight.put(
community, oEdgesto - Double.parseDouble(e.getProperty("weight").toString()));
adjCom.connectionsCount.put(community, oCountEdgesto - 1);
}
if (node == neighbor) {
continue;
}
if (adjCom != community) {
Double comEdgesto = community.connectionsWeight.get(adjCom);
Integer comCountEdgesto = community.connectionsCount.get(adjCom);
if (comCountEdgesto - 1 == 0) {
community.connectionsWeight.remove(adjCom);
community.connectionsCount.remove(adjCom);
} else {
community.connectionsWeight.put(
adjCom, comEdgesto - Double.parseDouble(e.getProperty("weight").toString()));
community.connectionsCount.put(adjCom, comCountEdgesto - 1);
}
}
Double nodeEgesTo = nodeConnectionsWeight[node].get(adjCom);
Integer nodeCountEgesTo = nodeConnectionsCount[node].get(adjCom);
if (nodeCountEgesTo - 1 == 0) {
nodeConnectionsWeight[node].remove(adjCom);
nodeConnectionsCount[node].remove(adjCom);
} else {
nodeConnectionsWeight[node].put(
adjCom, nodeEgesTo - Double.parseDouble(e.getProperty("weight").toString()));
nodeConnectionsCount[node].put(adjCom, nodeCountEgesTo - 1);
}
}
from.remove(node);
}
