@Test
public void dataset_05() {
String graphName = "http://example/";
Dataset ds = createFixed();
ds.addNamedModel(graphName, model1);
ds.replaceNamedModel(graphName, model2);
assertTrue(ds.containsNamedModel(graphName));
List<String> x = Iter.toList(ds.listNames());
assertEquals(1, x.size());
assertEquals(graphName, x.get(0));
assertFalse(model1.isIsomorphicWith(ds.getNamedModel(graphName)));
assertTrue(model2.isIsomorphicWith(ds.getNamedModel(graphName)));
}
@Test
public void directDataLinkToQuads() throws IOException {
// first make a file of quads to load later
final Model model = createDefaultModel();
final Path quads = createTempFile("quadExample", ".nq");
final Resource quadsURI = model.createResource(quads.toFile().toURI().toString());
final Resource simpleExample = model.createResource("test:simpleExample");
simpleExample.addProperty(type, DatasetAssemblerVocab.tDatasetTxnMem);
simpleExample.addProperty(data, quadsURI);
final DatasetGraph dsg = createTxnMem().asDatasetGraph();
model
.listStatements()
.mapWith(Statement::asTriple)
.mapWith(t -> new Quad(quadsURI.asNode(), t))
.forEachRemaining(dsg::add);
try (OutputStream out = new FileOutputStream(quads.toFile())) {
write(out, dsg, NQUADS);
}
final Dataset dataset = assemble(simpleExample);
final Model assembledDefaultModel = dataset.getDefaultModel();
final Model assembledNamedModel = dataset.getNamedModel(quadsURI.getURI());
assertTrue(assembledDefaultModel.isEmpty());
assertTrue(
assembledNamedModel.contains(
assembledNamedModel.createStatement(simpleExample, data, quadsURI)));
}
public void setup() {
DatasetGraph dsg = TDBFactory.createDatasetGraph();
dsg.getContext().set(TDB.symUnionDefaultGraph, true);
Dataset myDataset = DatasetFactory.create(dsg);
baseModel = myDataset.getNamedModel("http://example.com/baseModel");
baseModel = QueryEngineTest.populateModel(baseModel);
dftModel = Factory.getInstance(eval, "http://example.com/securedModel", baseModel);
dataset = DatasetFactory.createMem();
dataset.setDefaultModel(dftModel);
}
@Test
public void dataset_04() {
String graphName = "http://example/";
Dataset ds = createFixed();
ds.addNamedModel(graphName, model1);
assertTrue(ds.containsNamedModel(graphName));
List<String> x = Iter.toList(ds.listNames());
assertEquals(1, x.size());
assertEquals(graphName, x.get(0));
assertFalse(model1.isIsomorphicWith(ds.getDefaultModel()));
Model m = ds.getNamedModel(graphName);
assertNotNull(m);
assertTrue(model1.isIsomorphicWith(m));
ds.removeNamedModel(graphName);
// Not getNamedModel and test for null as some datasets are "auto graph creating"
assertFalse(ds.containsNamedModel(graphName));
}
@Test
public void directDataLinkForDefaultAndNamedGraphs() throws IOException {
// first make a file of triples to load later
final Model model = createDefaultModel();
final Path triples = createTempFile("simpleExample", ".nt");
final Resource triplesURI = model.createResource(triples.toFile().toURI().toString());
final Resource simpleExample = model.createResource("test:simpleExample");
simpleExample.addProperty(type, DatasetAssemblerVocab.tDatasetTxnMem);
// add a default graph
simpleExample.addProperty(data, triplesURI);
// add a named graph
final Resource namedGraphDef = model.createResource("test:namedGraphDef");
simpleExample.addProperty(pNamedGraph, namedGraphDef);
final Resource namedGraphName = model.createResource("test:namedGraphExample");
namedGraphDef.addProperty(type, MemoryModel);
namedGraphDef.addProperty(pGraphName, namedGraphName);
namedGraphDef.addProperty(data, triplesURI);
try (OutputStream out = new FileOutputStream(triples.toFile())) {
write(out, model, NTRIPLES);
}
final Dataset dataset = assemble(simpleExample);
final Model assembledDefaultModel = dataset.getDefaultModel();
final Model assembledNamedModel = dataset.getNamedModel(namedGraphName.getURI());
// we put the same triples in each model, so we check for the same triples in each model
for (final Model m : new Model[] {assembledDefaultModel, assembledNamedModel}) {
assertTrue(m.contains(simpleExample, pNamedGraph, namedGraphDef));
assertTrue(m.contains(namedGraphDef, pGraphName, namedGraphName));
assertTrue(m.contains(simpleExample, data, triplesURI));
}
final Iterator<Node> graphNodes = dataset.asDatasetGraph().listGraphNodes();
assertTrue(graphNodes.hasNext());
assertEquals(namedGraphName.asNode(), graphNodes.next());
assertFalse(graphNodes.hasNext());
}
