/**
* Add topic to set of visited topics.
*
* @param path topic path, may contain a fragment
*/
public void visit(final URI path) {
final URI localPath = stripFragment(path).normalize();
visitSet.add(localPath);
}
/** Resets all internal data structures. */
public void reset() {
idMap.clear();
visitSet.clear();
index = 0;
}
/**
* Return if this path has been visited before.
*
* @param path topic path, may contain a fragment
* @return true if has been visited
*/
public boolean isVisited(final URI path) {
final URI localPath = stripFragment(path).normalize();
return visitSet.contains(localPath);
}