/* (non-Javadoc)
* @see org.sosy_lab.ccvisu.readers.filter.Filter#apply(org.sosy_lab.ccvisu.graph.Relation)
*/
@Override
public Relation apply(Relation relation) {
assert (relation != null);
Relation newRel = new Relation();
for (Tuple tuple : relation) {
if (nameIsWhitelisted(tuple.getRelationName())) {
newRel.addTuple(tuple);
}
}
return newRel;
}
@Override
public int compare(final Tuple leftTuple, final Tuple rightTuple) {
assert (leftTuple != null && rightTuple != null);
if (!leftTuple.getRelationName().equals(rightTuple.getRelationName())) {
return leftTuple.getRelationName().compareTo(rightTuple.getRelationName());
} else {
Iterator<String> leftIterator = leftTuple.getTupleElements().iterator();
Iterator<String> rightIterator = rightTuple.getTupleElements().iterator();
while (leftIterator.hasNext() && rightIterator.hasNext()) {
String str0 = leftIterator.next();
String str1 = rightIterator.next();
if (!str0.equals(str1)) {
return str0.compareTo(str1);
}
}
if (leftIterator.hasNext()) {
// leftTuple is longer
return 1;
} else if (rightIterator.hasNext()) {
// rightTuple is longer
return -1;
} else {
// both are exactly equal
return 0;
}
}
}