/** * Given a parent Path ID number and the child's path name look up the value in the cache. * * @param parentPathId The parent's path (directory) ID number. * @param childPathName The name of the path within the parent's directory * @return a PathNameCacheValue object containing the cache mapping, or null if the mapping isn't * in the cache. */ public PathNameCacheValue get(int parentPathId, String childPathName) { PathNameCacheKey key = new PathNameCacheKey(parentPathId, childPathName); return map.get(key); }