Package: ReloadableDataSource

ReloadableDataSource

Coverage

1: /**
2: * Copyright (C) 2020 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.ontodriver;
16:
17: import cz.cvut.kbss.ontodriver.exception.OntoDriverException;
18:
19: /**
20: * Allows to reload data from the underlying storage.
21: * <p>
22: * This is especially meant for reloading data from text files (e.g. OWL, TTL), which might have been changed externally
23: * and the application may want to reload the file contents so that it works with the most recent data.
24: */
25: public interface ReloadableDataSource extends DataSource {
26:
27: /**
28: * Reloads data from the underlying storage, if possible.
29: * <p>
30: * Does nothing if the underlying storage does not support reloading or it is not necessary (e.g. when connected
31: * to a remote triple store).
32: *
33: * @throws OntoDriverException If an error occurs when reloading data
34: * @throws IllegalStateException If called on a closed data source
35: */
36: void reload() throws OntoDriverException;
37: }