Method: reverse()

1: /*
2: * JOPA
3: * Copyright (C) 2024 Czech Technical University in Prague
4: *
5: * This library is free software; you can redistribute it and/or
6: * modify it under the terms of the GNU Lesser General Public
7: * License as published by the Free Software Foundation; either
8: * version 3.0 of the License, or (at your option) any later version.
9: *
10: * This library is distributed in the hope that it will be useful,
11: * but WITHOUT ANY WARRANTY; without even the implied warranty of
12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13: * Lesser General Public License for more details.
14: *
15: * You should have received a copy of the GNU Lesser General Public
16: * License along with this library.
17: */
18: package cz.cvut.kbss.jopa.query.criteria.expressions;
19:
20: import cz.cvut.kbss.jopa.model.query.criteria.Expression;
21: import cz.cvut.kbss.jopa.model.query.criteria.Order;
22:
23: public class OrderImpl implements Order {
24: private final Expression<?> expression;
25: private boolean ascending;
26:
27: public OrderImpl(Expression<?> expression, boolean ascending) {
28: this.expression = expression;
29: this.ascending = ascending;
30: }
31:
32: public OrderImpl(Expression<?> expression) {
33: this.expression = expression;
34: this.ascending = true;
35: }
36:
37: @Override
38: public Expression<?> getExpression() {
39: return expression;
40: }
41:
42: @Override
43: public boolean isAscending() {
44: return ascending;
45: }
46:
47: @Override
48: public Order reverse() {
49:• ascending = !ascending;
50: return this;
51: }
52: }