boolean isBasicType() {
        return ((type == TYPE_STRING) ||
                (type == TYPE_LONG) ||
                (type == TYPE_DOUBLE) ||
                (type == TYPE_INTEGER) ||
                (type == TYPE_LONG_WRAPPER) ||
                (type == TYPE_DOUBLE_WRAPPER) ||
                (type == TYPE_INTEGER_WRAPPER) ||
                (type == TYPE_BYTE_ARRAY));
    }