static Map clusterInfo = new HashMap();

static Map> clusters = new HashMap

List>();

private void formClusters() {

for(FogDevice fd: getFogDevices()){

clusterInfo.put(fd.getId(), -1);

}

int clusterId = 0;

for(int i=0;i

FogDevice fd1 = getFogDevices().get(i);

for(int j=0;j

FogDevice fd2 = getFogDevices().get(j);

if(fd1.getId()!=fd2.getId()&& fd1.getParen-

tId()==fd2.getParentId()

&&calculateDistance(fd1, fd2)

TER_DISTANCE && fd1.getLevel()==fd2.getLevel())

{

int fd1ClusteriD = clusterInfo.get(fd1.getId());

int fd2ClusteriD = clusterInfo.get(fd2.getId());

if(fd1ClusteriD==-1 && fd2ClusteriD==-1){

clusterId++;

clusterInfo.put(fd1.getId(), clusterId);

clusterInfo.put(fd2.getId(), clusterId);

}

else if(fd1ClusteriD==-1)

clusterInfo.put(fd1.getId(), cluster-

Info.get(fd2.getId()));

else if(fd2ClusteriD==-1)

clusterInfo.put(fd2.getId(), cluster-

Info.get(fd1.getId()));

}

}

}

for(int id:clusterInfo.keySet()){

if(!clusters.containsKey(clusterInfo.get(id))){

ListclusterMembers = new ArrayList

ger>();

clusterMembers.add(id);

clusters.put(clusterInfo.get(id), clusterMembers);

}

else

{

ListclusterMembers = clusters.get(cluster-

Info.get(id));

clusterMembers.add(id);

clusters.put(clusterInfo.get(id), clusterMembers);

}

}

for(int id:clusters.keySet())

System.out.println(id+" "+clusters.get(id));

}

Inclusion in Controller constructor method:

formClusters();

Config Class:

public static final double CLUSTER_DISTANCE = 2.00;