public static com.hp.hpl.jena.rdf.model.Model getDeleteModel(String id, long timestamp) {
com.hp.hpl.jena.rdf.model.Model deleteModel = ModelFactory.createDefaultModel();
com.hp.hpl.jena.rdf.model.Resource subject = null;
com.hp.hpl.jena.rdf.model.Property property = null;
com.hp.hpl.jena.rdf.model.Statement statement = null;
subject = deleteModel.createResource("mo:" + DataStore.encodeURL(id));
property = deleteModel.createProperty("http://www.modaclouds.eu/rdfs/1.0/deletedmodel#id");
statement = deleteModel.createLiteralStatement(subject, property, id);
deleteModel.add(statement);
subject = deleteModel.createResource("mo:" + DataStore.encodeURL(id));
property =
deleteModel.createProperty("http://www.modaclouds.eu/rdfs/1.0/deletedmodel#timestamp");
statement = deleteModel.createLiteralStatement(subject, property, timestamp);
deleteModel.add(statement);
return deleteModel;
}
public static com.hp.hpl.jena.rdf.model.Model getNameModel(String graphUri, long timestamp) {
com.hp.hpl.jena.rdf.model.Model nameModel = ModelFactory.createDefaultModel();
com.hp.hpl.jena.rdf.model.Resource subject = null;
com.hp.hpl.jena.rdf.model.Property property = null;
com.hp.hpl.jena.rdf.model.Statement statement = null;
subject = nameModel.createResource(graphUri);
property = nameModel.createProperty("mo:timestamp");
statement = nameModel.createLiteralStatement(subject, property, timestamp);
nameModel.add(statement);
return nameModel;
}
@Override
public void rhs(final Collection<Resource> segments) throws IOException {
final Model model = jenaDriver.getModel();
final Property lengthProperty = model.getProperty(BASE_PREFIX + LENGTH);
for (final Resource segment : segments) {
final Selector selector = new SimpleSelector(segment, lengthProperty, (RDFNode) null);
final StmtIterator oldStatements = model.listStatements(selector);
if (!oldStatements.hasNext()) {
continue;
}
final Statement oldStatement = oldStatements.next();
model.remove(oldStatement);
final Statement newStatement = model.createLiteralStatement(segment, lengthProperty, 0);
model.add(newStatement);
}
}
private static com.hp.hpl.jena.rdf.model.Model defaultGraphStatement(
String graphUrl, long timestamp, String method) {
if (method == null) return null;
com.hp.hpl.jena.rdf.model.Model m = ModelFactory.createDefaultModel();
com.hp.hpl.jena.rdf.model.Resource subject = null;
com.hp.hpl.jena.rdf.model.Property property = null;
com.hp.hpl.jena.rdf.model.Statement statement = null;
subject = m.createResource(graphUrl);
property = m.createProperty("mo:timestamp");
statement = m.createLiteralStatement(subject, property, timestamp);
m.add(statement);
return m;
}