Examples with RdfReadProperty nl.knaw.huygens.timbuctoo.core.dto.rdf.RdfReadProperty used on opensource projects

Example 1 with RdfReadProperty

use of nl.knaw.huygens.timbuctoo.core.dto.rdf.RdfReadProperty in project timbuctoo by HuygensING.

the class TinkerPopOperationsTest method retrievePropertyReturnsThePropertyOfTheEntity.

@Test
public void retrievePropertyReturnsThePropertyOfTheEntity() {
    TinkerPopGraphManager graphManager = newGraph().wrap();
    TinkerPopOperations instance = forGraphWrapper(graphManager);
    String vreName = "vre";
    Vre vre = minimalCorrectVre(instance, vreName);
    String entityRdfUri = "http://example.org/1";
    String predicateUri = "http://example.org/propName";
    String value = "value";
    instance.assertProperty(vre, entityRdfUri, new RdfProperty(predicateUri, value, "http://www.w3.org/1999/02/22-rdf-syntax-ns#langString"));
    Optional<RdfReadProperty> rdfProperty = instance.retrieveProperty(vre, entityRdfUri, predicateUri);
    assertThat(rdfProperty, is(present()));
    assertThat(rdfProperty.get().getValue(), is(value));
}

Example 2 with RdfReadProperty

use of nl.knaw.huygens.timbuctoo.core.dto.rdf.RdfReadProperty in project timbuctoo by HuygensING.

the class TinkerPopOperationsTest method retrievePropertyReturnsAnEmtptyOptionWhenTheVertexDoesNotContainTheProperty.

@Test
public void retrievePropertyReturnsAnEmtptyOptionWhenTheVertexDoesNotContainTheProperty() {
    TinkerPopGraphManager graphManager = newGraph().wrap();
    TinkerPopOperations instance = forGraphWrapper(graphManager);
    String vreName = "vre";
    Vre vre = minimalCorrectVre(instance, vreName);
    String entityRdfUri = "http://example.org/1";
    String predicateUri = "http://example.org/propName";
    // make sure the vertex exist
    instance.assertEntity(vre, entityRdfUri);
    Optional<RdfReadProperty> rdfProperty = instance.retrieveProperty(vre, entityRdfUri, predicateUri);
    assertThat(rdfProperty, is(not(present())));
}

Example 3 with RdfReadProperty

use of nl.knaw.huygens.timbuctoo.core.dto.rdf.RdfReadProperty in project timbuctoo by HuygensING.

the class TinkerPopOperations method retrieveProperty.

@Override
public Optional<RdfReadProperty> retrieveProperty(Vre vre, String entityRdfUri, String propertyUri) {
    Optional<Vertex> entityOpt = indexHandler.findVertexInRdfIndex(vre, entityRdfUri);
    if (entityOpt.isPresent()) {
        Vertex entity = entityOpt.get();
        Iterable<Vertex> collectionOfEntity = () -> collectionsFor(entity);
        Optional<Collection> colOpt = StreamSupport.stream(collectionOfEntity.spliterator(), false).map(col -> getProp(col, COLLECTION_NAME_PROPERTY_NAME, String.class)).filter(colNameProp -> colNameProp.isPresent()).map(colNameProp -> colNameProp.get()).map(vre::getCollectionForCollectionName).filter(Optional::isPresent).map(Optional::get).findFirst();
        if (colOpt.isPresent()) {
            Collection collection = colOpt.get();
            VertexProperty<String> property = entity.property(createPropName(collection.getEntityTypeName(), propertyUri));
            if (property.isPresent()) {
                return Optional.of(new RdfReadProperty(propertyUri, property.value()));
            }
        }
    }
    return Optional.empty();
}

Example 4 with RdfReadProperty

use of nl.knaw.huygens.timbuctoo.core.dto.rdf.RdfReadProperty in project timbuctoo by HuygensING.

the class TinkerPopOperationsTest method retrievePropertyReturnsAnEmptyOptionalWhenTheEntityDoesNotExist.

@Test
public void retrievePropertyReturnsAnEmptyOptionalWhenTheEntityDoesNotExist() {
    TinkerPopGraphManager graphManager = newGraph().wrap();
    TinkerPopOperations instance = forGraphWrapper(graphManager);
    String vreName = "vre";
    Vre vre = minimalCorrectVre(instance, vreName);
    String entityRdfUri = "http://example.org/1";
    String predicateUri = "http://example.org/propName";
    Optional<RdfReadProperty> rdfProperty = instance.retrieveProperty(vre, entityRdfUri, predicateUri);
    assertThat(rdfProperty, is(not(present())));
}