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

Example 11 with ReadEntity

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

the class JsonCrudService method getCollection.

public List<ObjectNode> getCollection(String collectionName, int rows, int start, boolean withRelations) throws InvalidCollectionException {
    final Collection collection = mappings.getCollection(collectionName).orElseThrow(() -> new InvalidCollectionException(collectionName));
    DataStream<ReadEntity> entities = timDbAccess.getCollection(collection, start, rows, withRelations, (traversalSource, vre) -> {
    }, (entity1, entityVertex, target, relationRef) -> {
    });
    List<ObjectNode> result = entities.map(entity -> entityToJsonMapper.mapEntity(collection, entity, withRelations, (readEntity, resultJson) -> {
    }, (relationRef, resultJson) -> {
    }));
    return result;
}

Example 12 with ReadEntity

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

the class SingleEntityNTriple method get.

@GET
public Response get(@PathParam("collection") String collectionName, @PathParam("id") UUIDParam id, @QueryParam("rev") Integer rev) {
    return transactionEnforcer.executeAndReturn(timbuctooActions -> {
        try {
            Collection collection = timbuctooActions.getCollectionMetadata(collectionName);
            ReadEntity entity = timbuctooActions.getEntity(collection, id.get(), rev);
            URI rdfUri = entity.getRdfUri();
            String rdfString = rdfUri == null ? uriHelper.fromResourceUri(makeUrl(collectionName, id.get())).toString() : rdfUri.toString();
            StringBuilder sb = new StringBuilder();
            addRdfProp(rdfString, sb, "id", entity.getId() + "", "https://www.ietf.org/rfc/rfc4122.txt");
            entity.getRdfAlternatives().forEach(alt -> sb.append(asNtriples(new LinkTriple(rdfString, SAME_AS_PRED, alt))));
            TriplePropertyConverter converter = new TriplePropertyConverter(collection, rdfString);
            for (TimProperty<?> timProperty : entity.getProperties()) {
                try {
                    timProperty.convert(converter).getRight().forEach(triple -> sb.append(asNtriples(triple)));
                } catch (IOException e) {
                    LOG.error("Could not convert property with name '{}' and value '{}'", timProperty.getName(), timProperty.getValue());
                }
            }
            entity.getRelations().forEach(rel -> sb.append(asNtriples(new LinkTriple(rdfString, getRelationRdfUri(rel), getEntityRdfUri(rel)))));
            return commitAndReturn(Response.ok(sb.toString()).build());
        } catch (InvalidCollectionException e) {
            return commitAndReturn(Response.status(BAD_REQUEST).entity(e.getMessage()).build());
        } catch (NotFoundException e) {
            return commitAndReturn(Response.status(NOT_FOUND).build());
        }
    });
}

Example 13 with ReadEntity

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

the class TinkerPopOperations method getCollection.

@Override
public DataStream<ReadEntity> getCollection(Collection collection, int start, int rows, boolean withRelations, CustomEntityProperties customEntityProperties, CustomRelationProperties customRelationProperties) {
    GraphTraversal<Vertex, Vertex> entities = getCurrentEntitiesFor(collection.getEntityTypeName()).range(start, start + rows);
    TinkerPopToEntityMapper tinkerPopToEntityMapper = new TinkerPopToEntityMapper(collection, traversal, mappings, customEntityProperties, customRelationProperties);
    return new TinkerPopGetCollection(entities.toStream().map(vertex -> tinkerPopToEntityMapper.mapEntity(vertex, withRelations)));
}

Example 14 with ReadEntity

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

the class TinkerPopToEntityMapper method mapEntity.

public ReadEntity mapEntity(GraphTraversal<Vertex, Vertex> entityT, boolean withRelations) {
    final List<TimProperty<?>> properties = Lists.newArrayList();
    TinkerPopPropertyConverter dbPropertyConverter = new TinkerPopPropertyConverter(collection);
    String entityTypeName = collection.getEntityTypeName();
    GraphTraversal[] propertyGetters = collection.getReadableProperties().entrySet().stream().map(prop -> prop.getValue().traversalRaw().sideEffect(x -> x.get().onSuccess(value -> {
        try {
            properties.add(dbPropertyConverter.from(prop.getKey(), value));
        } catch (UnknownPropertyException e) {
            LOG.error("Unknown property", e);
        } catch (IOException e) {
            LOG.error(databaseInvariant, "Property '" + prop.getKey() + "' is not encoded correctly", e.getCause());
        }
    }).onFailure(e -> {
        if (e.getCause() instanceof IOException) {
            LOG.error(databaseInvariant, "Property '" + prop.getKey() + "' is not encoded correctly", e.getCause());
        } else {
            LOG.error("Something went wrong while reading the property '" + prop.getKey() + "'.", e.getCause());
        }
    }))).toArray(GraphTraversal[]::new);
    entityT.asAdmin().clone().union(propertyGetters).forEachRemaining(x -> {
    // Force side effects to happen
    });
    ReadEntityImpl entity = new ReadEntityImpl();
    entity.setProperties(properties);
    Vertex entityVertex = entityT.asAdmin().clone().next();
    // TODO make use conversion for the types
    entity.setRev(getProp(entityVertex, "rev", Integer.class).orElse(-1));
    entity.setDeleted(getProp(entityVertex, "deleted", Boolean.class).orElse(false));
    entity.setPid(getProp(entityVertex, "pid", String.class).orElse(null));
    URI rdfUri = getProp(entityVertex, RDF_URI_PROP, String.class).map(x -> {
        try {
            return new URI(x);
        } catch (URISyntaxException e) {
            return null;
        }
    }).orElse(null);
    entity.setRdfUri(rdfUri);
    Property<String[]> rdfAlternativesProp = entityVertex.property(RDF_SYNONYM_PROP);
    if (rdfAlternativesProp.isPresent()) {
        try {
            entity.setRdfAlternatives(Lists.newArrayList(rdfAlternativesProp.value()));
        } catch (Exception e) {
            LOG.error(databaseInvariant, "Error while reading rdfAlternatives", e);
        }
    }
    Optional<String> typesOptional = getProp(entityVertex, "types", String.class);
    if (typesOptional.isPresent()) {
        try {
            List<String> types = new ObjectMapper().readValue(typesOptional.get(), new TypeReference<List<String>>() {
            });
            entity.setTypes(types);
        } catch (Exception e) {
            LOG.error(databaseInvariant, "Error while generating variation refs", e);
            entity.setTypes(Lists.newArrayList(entityTypeName));
        }
    } else {
        entity.setTypes(Lists.newArrayList(entityTypeName));
    }
    Optional<String> modifiedStringOptional = getProp(entityVertex, "modified", String.class);
    if (modifiedStringOptional.isPresent()) {
        try {
            entity.setModified(new ObjectMapper().readValue(modifiedStringOptional.get(), Change.class));
        } catch (IOException e) {
            LOG.error(databaseInvariant, "Change cannot be converted", e);
            entity.setModified(new Change());
        }
    } else {
        entity.setModified(new Change());
    }
    Optional<String> createdStringOptional = getProp(entityVertex, "created", String.class);
    if (createdStringOptional.isPresent()) {
        try {
            entity.setCreated(new ObjectMapper().readValue(createdStringOptional.get(), Change.class));
        } catch (IOException e) {
            LOG.error(databaseInvariant, "Change cannot be converted", e);
            entity.setCreated(new Change());
        }
    } else {
        entity.setCreated(new Change());
    }
    entity.setDisplayName(DisplayNameHelper.getDisplayname(traversalSource, entityVertex, collection).orElse(""));
    entity.setId(getIdOrDefault(entityVertex));
    if (withRelations) {
        entity.setRelations(getRelations(entityVertex, traversalSource, collection));
    }
    customEntityProperties.execute(entity, entityVertex);
    return entity;
}

Example 15 with ReadEntity

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

the class TinkerPopOperationsTest method getEntityByRdfUriReturnsAnEmptyOptionalIfTheEntityCannotBeFound.

@Test
public void getEntityByRdfUriReturnsAnEmptyOptionalIfTheEntityCannotBeFound() {
    Vres vres = createConfiguration();
    TinkerPopOperations instance = forGraphWrapperAndMappings(newGraph().wrap(), vres);
    Collection collection = vres.getCollection("testthings").get();
    Optional<ReadEntity> readEntity = instance.getEntityByRdfUri(collection, "http://example.com/entity", false);
    assertThat(readEntity, is(not(present())));
}