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SimpleListHandler.java
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SimpleListHandler.java
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package cz.cvut.kbss.ontodriver.jena.list;
import cz.cvut.kbss.ontodriver.descriptor.SimpleListDescriptor;
import cz.cvut.kbss.ontodriver.descriptor.SimpleListValueDescriptor;
import cz.cvut.kbss.ontodriver.jena.connector.StorageConnector;
import cz.cvut.kbss.ontodriver.model.Axiom;
import cz.cvut.kbss.ontodriver.model.NamedResource;
import org.apache.jena.rdf.model.Property;
import org.apache.jena.rdf.model.Resource;
import org.apache.jena.rdf.model.ResourceFactory;
import java.util.ArrayList;
import java.util.List;
class SimpleListHandler extends ListHandler<SimpleListDescriptor, SimpleListValueDescriptor> {
SimpleListHandler(StorageConnector connector) {
super(connector);
}
@Override
public List<Axiom<NamedResource>> loadList(SimpleListDescriptor descriptor) {
final List<Axiom<NamedResource>> result = new ArrayList<>();
final Resource owner = ResourceFactory.createResource(descriptor.getListOwner().getIdentifier().toString());
final Property hasList = ResourceFactory
.createProperty(descriptor.getListProperty().getIdentifier().toString());
final Property hasNext = ResourceFactory.createProperty(descriptor.getNextNode().getIdentifier().toString());
final String context = descriptor.getContext() != null ? descriptor.getContext().toString() : null;
final SimpleListIterator it = new SimpleListIterator(owner, hasList, hasNext, context, connector);
while (it.hasNext()) {
result.add(it.next());
}
return result;
}
@Override
void persistList(SimpleListValueDescriptor descriptor) {
}
@Override
void updateList(SimpleListValueDescriptor descriptor) {
}
}