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SnapshotStorage.java
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SnapshotStorage.java
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/**
* Copyright (C) 2019 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.ontodriver.jena.connector;
import cz.cvut.kbss.ontodriver.config.DriverConfiguration;
import org.apache.jena.query.Dataset;
import org.apache.jena.query.DatasetFactory;
import org.apache.jena.system.Txn;
import java.util.Iterator;
class SnapshotStorage extends Storage {
SnapshotStorage(DriverConfiguration configuration) {
super(configuration);
}
@Override
void initialize() {
this.dataset = DatasetFactory.create();
}
void addCentralData(Dataset central) {
Txn.executeRead(central, () -> {
final Iterator<String> it = central.listNames();
while (it.hasNext()) {
final String name = it.next();
dataset.addNamedModel(name, central.getNamedModel(name));
}
dataset.setDefaultModel(central.getDefaultModel());
});
}
}