/** @return canonical AccessPath object */
public AccessPath findOrCreate(PathElement initialElement) {
APKey k = new APKey(initialElement);
AccessPath result = map.get(k);
if (result == null) {
int id = vector.getMaxIndex() + 1;
result = new AccessPath(k, id);
map.put(k, result);
vector.set(id, result);
findOrCreateStartsWith(initialElement).add(id);
}
return result;
}
/**
* @param elements List<PathElement>
* @return canonical AccessPath object
*/
public AccessPath findOrCreate(List<PathElement> elements) {
if (PARANOID) {
for (Iterator<PathElement> it = elements.iterator(); it.hasNext(); ) {
if (!(it.next() instanceof PathElement)) {
Assertions.UNREACHABLE();
}
}
}
APKey k = new APKey(elements);
AccessPath result = map.get(k);
if (result == null) {
int id = vector.getMaxIndex() + 1;
result = new AccessPath(k, id);
map.put(k, result);
vector.set(id, result);
findOrCreateStartsWith(result.getHead()).add(id);
}
return result;
}