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ConnectorFactoryImpl.java
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ConnectorFactoryImpl.java
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/**
* Copyright (C) 2022 Czech Technical University in Prague
* <p>
* 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.
* <p>
* 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.sesame.connector;
import cz.cvut.kbss.ontodriver.config.DriverConfiguration;
import cz.cvut.kbss.ontodriver.exception.OntoDriverException;
import cz.cvut.kbss.ontodriver.sesame.exceptions.SesameDriverException;
import org.eclipse.rdf4j.repository.Repository;
public final class ConnectorFactoryImpl implements ConnectorFactory {
private boolean open;
private StorageConnector centralConnector;
public ConnectorFactoryImpl(DriverConfiguration configuration) throws SesameDriverException {
this.open = true;
initCentralConnector(configuration);
}
@Override
public Connector createStorageConnector() {
ensureOpen();
return new PoolingStorageConnector(centralConnector);
}
private void ensureOpen() {
if (!open) {
throw new IllegalStateException("The factory is closed!");
}
}
private void initCentralConnector(DriverConfiguration configuration) throws SesameDriverException {
this.centralConnector = new StorageConnector(configuration);
}
@Override
public void setRepository(Repository repository) {
ensureOpen();
centralConnector.setRepository(repository);
}
@Override
public synchronized void close() throws OntoDriverException {
if (!open) {
return;
}
if (centralConnector != null) {
centralConnector.close();
this.centralConnector = null;
}
this.open = false;
}
@Override
public boolean isOpen() {
return open;
}
}