Package: TupleElement

TupleElement

Coverage

1: /**
2: * Copyright (C) 2016 Czech Technical University in Prague
3: * <p>
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: * <p>
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;
16:
17: /**
18: * The TupleElement interface defines an element that is returned in a query
19: * result tuple.
20: *
21: * @param <X>
22: * the type of the element
23: */
24: public interface TupleElement<X> {
25:
26: /**
27: * Return the runtime Java type of the tuple element.
28: *
29: * @return the runtime Java type of the tuple element
30: */
31: Class<? extends X> getJavaType();
32:
33: /**
34: * Return the alias assigned to the tuple element or null, if no alias has
35: * been assigned.
36: *
37: * @return alias
38: */
39: String getAlias();
40: }