Package: Order

Order

Coverage

1: /**
2: * Copyright (C) 2023 Czech Technical University in Prague
3: *
4: * This program is free software: you can redistribute it and/or modify it under
5: * the terms of the GNU General Public License as published by the Free Software
6: * Foundation, either version 3 of the License, or (at your option) any
7: * later version.
8: *
9: * This program is distributed in the hope that it will be useful, but WITHOUT
10: * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11: * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
12: * details. You should have received a copy of the GNU General Public License
13: * along with this program. If not, see <http://www.gnu.org/licenses/>.
14: */
15: package cz.cvut.kbss.jopa.model.query.criteria;
16:
17: public interface Order {
18: /**
19: * Return the expression that is used for ordering.
20: *
21: * @return expression used for ordering
22: */
23: Expression<?> getExpression();
24:
25: /**
26: * Whether ascending ordering is in effect.
27: *
28: * @return boolean indicating whether ordering is ascending
29: */
30: boolean isAscending();
31:
32: /**
33: * Switch the ordering.
34: *
35: * @return a new Order instance with the reversed ordering
36: */
37: Order reverse();
38: }