Package: Selection

Selection

Coverage

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.model.query.criteria;
19:
20: import cz.cvut.kbss.jopa.model.query.TupleElement;
21:
22: import java.util.List;
23:
24: public interface Selection<X> extends TupleElement<X> {
25:
26: /**
27: * Whether the selection item is a compound selection.
28: * Compounded selection is NOT YET SUPPORTED. Therefore, the method always returns false.
29: * @return boolean indicating whether the selection is a compound selection
30: */
31: boolean isCompoundedSelection();
32:
33: /**
34: * Return the selection items composing a compound selection. Modifications to the list do not affect the query.
35: * Compounded selection is NOT YET SUPPORTED. Therefore, the method always throws IllegalStateException.
36: * @return list of selection items
37: * @throws IllegalStateException if selection is not a compound selection
38: */
39: List<Selection<?>> getCompoundedSelectionItems();
40: }