/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package dev;
import java.util.Iterator;
import org.apache.jena.atlas.lib.FileOps;
import org.openjena.riot.Lang;
import org.openjena.riot.RiotLoader;
import org.openjena.riot.RiotWriter;
import com.hp.hpl.jena.query.Dataset;
import com.hp.hpl.jena.query.ReadWrite;
import com.hp.hpl.jena.sparql.core.DatasetGraph;
import com.hp.hpl.jena.sparql.core.Quad;
import com.hp.hpl.jena.tdb.TDBFactory;
import com.hp.hpl.jena.tdb.base.file.Location;
public class Run2 {
public static void main(String[] args) {
String path = "target/tdb";
FileOps.clearDirectory( path );
Location location = new Location ( path );
Dataset dataset = TDBFactory.createDataset ( location );
dataset.begin ( ReadWrite.WRITE );
try {
DatasetGraph dsg = dataset.asDatasetGraph();
DatasetGraph dsg2 = RiotLoader.datasetFromString("<http://example/org> <http://www.w3.org/2000/01/rdf-schema#label> \"Hello \n World!\" .", Lang.TURTLE, null);
Iterator<Quad> quads = dsg2.find();
while ( quads.hasNext() ) {
Quad quad = quads.next();
dsg.add(quad);
}
dataset.commit();
} catch ( Exception e ) {
e.printStackTrace(System.err);
dataset.abort();
} finally {
dataset.end();
}
RiotWriter.writeNQuads(System.out, dataset.asDatasetGraph());
}
}