public long getLastModified(String path) throws GetLastModifiedException {
        String hash;
        Content content;

        hash = hashCache.probe(path);
        if (hash != null) {
            content = contentCache.probe(hash);
            if (content != null) {
                return content.lastModified;
            }
        }
        return -1;
    }
public long getLastModified ( String path ) throws GetLastModifiedException { String hash ; Content content ; hash = hashCache . probe ( path ) ; if ( hash != null ) { content = contentCache . probe ( hash ) ; if ( content != null ) { return content . lastModified ; } } return - 1 ; }
/* @return -1 (i.e: unknown) when not cached; not computed