int getObjectID(Object element) {
        if (element == null) return NULL;
        else if (Cell.class.isInstance(element)) return CELL;
        else if (Table.class.isInstance(element)) return TABLE; 
        return -1;
    }
int getObjectID ( Object element ) { if ( element == null ) return NULL ; else if ( Cell . class . isInstance ( element ) ) return CELL ; else if ( Table . class . isInstance ( element ) ) return TABLE ; return - 1 ; }
Returns the type-id of an Object.

@param       element the object of which you'd like to know the type-id, -1 if invalid
@return the type-id of an object