Method: getAlias()

1: /**
2: * Copyright (C) 2022 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.query.criteria;
16:
17: import cz.cvut.kbss.jopa.model.query.criteria.Selection;
18:
19: import java.util.List;
20:
21: public abstract class SelectionImpl<X> implements Selection<X> {
22: protected final Class<X> type;
23:
24: public SelectionImpl(Class<X> type) {
25: this.type = type;
26: }
27:
28: @Override
29: public boolean isCompoundedSelection() {
30: return false;
31: }
32:
33: @Override
34: public List<Selection<?>> getCompoundedSelectionItems() {
35: throw new IllegalStateException();
36: }
37:
38: @Override
39: public Class<? extends X> getJavaType() {
40: return this.type;
41: }
42:
43: @Override
44: public String getAlias() {
45: return null;
46: }
47: }