Examples with CursorQuad nl.knaw.huygens.timbuctoo.v5.datastores.quadstore.dto.CursorQuad used on opensource projects

Example 6 with CursorQuad

use of nl.knaw.huygens.timbuctoo.v5.datastores.quadstore.dto.CursorQuad in project timbuctoo by HuygensING.

the class SummaryPropDataRetriever method createSummaryProperty.

public Optional<TypedValue> createSummaryProperty(SubjectReference source, DataSet dataSet) {
    QuadStore quadStore = dataSet.getQuadStore();
    final Optional<TypedValue> localConfiguredSummaryProp = getQuad(quadStore, source.getSubjectUri(), RdfConstants.RDF_TYPE).flatMap(collection -> getQuad(quadStore, collection.getObject(), summaryPropConfigPredicate)).flatMap(userConfigured -> {
        try {
            SummaryProp summaryProp = OBJECT_MAPPER.readValue(userConfigured.getObject(), SummaryProp.class);
            return getQuad(summaryProp.getPath(), source.getSubjectUri(), quadStore).map(quad -> createTypedValue(quad, dataSet));
        } catch (IOException e) {
            LOG.error("Cannot parse SummaryProp: '{}'", userConfigured.getObject());
        }
        return Optional.empty();
    });
    if (localConfiguredSummaryProp.isPresent()) {
        return localConfiguredSummaryProp;
    } else {
        // fallback to default summary props
        for (SummaryProp prop : defaultProperties) {
            Optional<CursorQuad> quad = getQuad(prop.getPath(), source.getSubjectUri(), quadStore);
            if (quad.isPresent()) {
                return Optional.of(createTypedValue(quad.get(), dataSet));
            }
        }
        return Optional.empty();
    }
}

Example 7 with CursorQuad

use of nl.knaw.huygens.timbuctoo.v5.datastores.quadstore.dto.CursorQuad in project timbuctoo by HuygensING.

the class JsonProvenanceToRdfPatch method collectReplacements.

public static Map<String, List<CursorQuad>> collectReplacements(JsonNode activity, QuadStore quadStore) {
    Map<String, List<CursorQuad>> toReplace = new HashMap<>();
    for (JsonNode revision : activity.get(PROV_GENERATES)) {
        final JsonNode replacements = revision.get(TIM_REPLACEMENTS);
        if (replacements != null) {
            String entity = revision.get(PROV_SPECIALIZATION_OF).get(0).get("@id").asText();
            List<CursorQuad> quads = new ArrayList<>();
            toReplace.put(revision.get("@id").asText(), quads);
            for (JsonNode replacement : replacements) {
                if (replacement.has(TIM_PREDICATE)) {
                    final String predicate = replacement.get(TIM_PREDICATE).get(0).get("@value").asText();
                    try (Stream<CursorQuad> source = quadStore.getQuads(entity, predicate, Direction.OUT, "")) {
                        source.forEach(quads::add);
                    }
                }
            }
        }
    }
    return toReplace;
}

Example 8 with CursorQuad

use of nl.knaw.huygens.timbuctoo.v5.datastores.quadstore.dto.CursorQuad in project timbuctoo by HuygensING.

the class JsonProvenanceToRdfPatch method sendQuads.

@Override
public void sendQuads(RdfPatchSerializer saver, Consumer<String> importStatus, DataSet dataSet) throws LogStorageFailedException {
    for (JsonNode revision : activity.get(PROV_GENERATES)) {
        final String entityUri = revision.get(PROV_SPECIALIZATION_OF).get(0).get("@id").asText();
        final String revisionUri = revision.get("@id").asText();
        String wasRevisionOf = null;
        if (revision.get(PROV_REVISION_OF) != null) {
            wasRevisionOf = revision.get(PROV_REVISION_OF).get(0).get("@id").asText();
        }
        generateRevisionInfo(saver, revisionUri, entityUri, wasRevisionOf);
        generatePatch(saver, revision.get(TIM_ADDITIONS), entityUri, true);
        for (CursorQuad quad : toReplace.getOrDefault(revisionUri, new ArrayList<>())) {
            saver.delQuad(quad.getSubject(), quad.getPredicate(), quad.getObject(), quad.getValuetype().orElse(null), quad.getLanguage().orElse(null), null);
        }
        generatePatch(saver, revision.get(TIM_REPLACEMENTS), entityUri, true);
        generatePatch(saver, revision.get(TIM_DELETIONS), entityUri, false);
    }
    try {
        final HashMap map = OBJECT_MAPPER.treeToValue(activity, HashMap.class);
        final RDFDataset dataset = (RDFDataset) JsonLdProcessor.toRDF(map);
        for (String graphName : dataset.graphNames()) {
            for (RDFDataset.Quad quad : dataset.getQuads(graphName)) {
                saver.onQuad(quad.getSubject().getValue(), quad.getPredicate().getValue(), quad.getObject().getValue(), quad.getObject().isLiteral() ? quad.getObject().getDatatype() : null, quad.getObject().getLanguage(), quad.getGraph() == null ? null : quad.getGraph().getValue());
            }
        }
    } catch (JsonProcessingException | JsonLdError e) {
        throw new LogStorageFailedException(e);
    }
}

Example 9 with CursorQuad

use of nl.knaw.huygens.timbuctoo.v5.datastores.quadstore.dto.CursorQuad in project timbuctoo by HuygensING.

the class ViewConfigFetcher method get.

@Override
public Object get(DataFetchingEnvironment env) {
    SubjectReference source = env.getSource();
    final DataSet dataSet = source.getDataSet();
    final QuadStore qs = dataSet.getQuadStore();
    final Map<String, Type> schema = dataSet.getSchemaStore().getStableTypes();
    final TypeNameStore typeNameStore = dataSet.getTypeNameStore();
    try (Stream<CursorQuad> quads = qs.getQuads(source.getSubjectUri(), HAS_VIEW_CONFIG, Direction.OUT, "")) {
        return quads.findFirst().flatMap(q -> {
            try {
                return Optional.ofNullable(objectMapper.readValue(q.getObject(), List.class));
            } catch (IOException e) {
                LOG.error("view config is not a valid JSON object", e);
                return Optional.empty();
            }
        }).orElseGet(() -> makeDefaultViewConfig(source.getSubjectUri(), schema, typeNameStore));
    }
}

Example 10 with CursorQuad

use of nl.knaw.huygens.timbuctoo.v5.datastores.quadstore.dto.CursorQuad in project timbuctoo by HuygensING.

the class SummaryPropDataRetrieverTest method createSummaryPropertyIgnoresValueTypesIfThePathIsLongerThanOne.

@Test
public void createSummaryPropertyIgnoresValueTypesIfThePathIsLongerThanOne() {
    List<SummaryProp> defaultProperties = Lists.newArrayList(summaryPropertyWithPath("http://example.org/path", "http://example.org/path2"));
    SummaryPropDataRetriever instance = new SummaryPropDataRetriever("http://example.org/userConfigured", defaultProperties);
    QuadStore quadStore = mock(QuadStore.class);
    CursorQuad foundQuad1 = quadWithObject("http://example.org/objectFound1", Optional.of(RdfConstants.STRING));
    CursorQuad foundQuad2 = quadWithObject("http://example.org/objectFound2", Optional.empty());
    given(quadStore.getQuads("http://example.org/source", "http://example.org/path", Direction.OUT, "")).willReturn(Stream.of(foundQuad1, foundQuad2));
    CursorQuad quadThatShouldNotBeFound = quadWithObject("http://example.org/objectThatShouldNotBeRetrieved", Optional.empty());
    given(quadStore.getQuads("http://example.org/objectFound1", "http://example.org/path2", Direction.OUT, "")).willReturn(Stream.of(quadThatShouldNotBeFound));
    CursorQuad quadWithObjectUriOfPath2 = quadWithObject("http://example.org/objectOfPath2", Optional.empty());
    given(quadStore.getQuads("http://example.org/objectFound2", "http://example.org/path2", Direction.OUT, "")).willReturn(Stream.of(quadWithObjectUriOfPath2));
    Optional<TypedValue> summaryProperty = instance.createSummaryProperty(subjectWithUri("http://example.org/source"), dataSetWithQuadStore(quadStore));
    assertThat(summaryProperty, is(present()));
    assertThat(summaryProperty.get(), hasProperty("value", is("http://example.org/objectOfPath2")));
    verify(quadStore).getQuads("http://example.org/source", "http://example.org/path", Direction.OUT, "");
    verify(quadStore).getQuads("http://example.org/objectFound2", "http://example.org/path2", Direction.OUT, "");
}