Method: writeChanges()

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.ontodriver.jena.connector;
16:
17: import cz.cvut.kbss.ontodriver.config.DriverConfiguration;
18: import cz.cvut.kbss.ontodriver.jena.exception.JenaDriverException;
19: import org.apache.jena.tdb.TDB;
20: import org.apache.jena.tdb.TDBFactory;
21:
22: class TDBStorage extends LocalStorage {
23:
24: private static final String FILE_PREFIX = "file:";
25:
26: TDBStorage(DriverConfiguration configuration) {
27: super(configuration);
28: String location = configuration.getStorageProperties().getPhysicalURI().toString();
29: if (location.startsWith(FILE_PREFIX)) {
30: location = configuration.getStorageProperties().getPhysicalURI().getSchemeSpecificPart();
31: }
32: this.dataset = TDBFactory.createDataset(location);
33: }
34:
35: @Override
36: public void writeChanges() throws JenaDriverException {
37: try {
38: TDB.sync(dataset);
39: } catch (RuntimeException e) {
40: throw new JenaDriverException("Unable to synchronize TDB storage with file system.", e);
41: }
42: }
43: }