package edu.umd.rhsmith.diads.meater.modules.tweater.media;
import java.util.Comparator;
public class UserIdComparator implements Comparator<UserData> {
@Override
public int compare(UserData o1, UserData o2) {
return compareIds(o1, o2);
}
public static int compareIds(UserData o1, UserData o2) {
if (o1 == null && o2 == null) {
return 0;
} else if (o1 != null && o2 == null) {
return 1;
} else if (o1 == null && o2 != null) {
return -1;
} else if (o1.getUserId() > o2.getUserId()) {
return 1;
} else if (o1.getUserId() < o2.getUserId()) {
return -1;
} else {
return 0;
}
}
}