Examples with Spliterator java.util.Spliterator used on opensource projects

Example 51 with Spliterator

use of java.util.Spliterator in project mapdb by jankotek.

the class LinkedBlockingQueue8Test method testSpliterator_characteristics.

/**
 * Spliterator characteristics are as advertised
 */
public void testSpliterator_characteristics() {
    LinkedBlockingQueue q = new LinkedBlockingQueue();
    Spliterator s = q.spliterator();
    int characteristics = s.characteristics();
    int required = Spliterator.CONCURRENT | Spliterator.NONNULL | Spliterator.ORDERED;
    assertEquals(required, characteristics & required);
    assertTrue(s.hasCharacteristics(required));
    assertEquals(0, characteristics & (Spliterator.DISTINCT | Spliterator.IMMUTABLE | Spliterator.SORTED));
}

Example 52 with Spliterator

use of java.util.Spliterator in project timbuctoo by HuygensING.

the class ChangeLog method getProvenanceChanges.

protected Stream<Change> getProvenanceChanges(DataSet dataSet, String[] subjects, CustomProvenance provenance, Map<String, JsonNode> values) {
    TypeNameStore typeNameStore = dataSet.getTypeNameStore();
    Stream<Change> customProv = provenance.getFields().stream().filter(field -> field.getValueType() != null).flatMap(field -> {
        String graphQlPred = typeNameStore.makeGraphQlnameForPredicate(field.getUri(), Direction.OUT, field.isList());
        return Stream.of(subjects).map(subject -> new Change(subject, field.getUri(), getValues(dataSet, values.get(graphQlPred)), Stream.empty()));
    });
    Stream<Change> customProvNested = provenance.getFields().stream().filter(field -> field.getObject() != null).flatMap(field -> {
        String graphQlPred = typeNameStore.makeGraphQlnameForPredicate(field.getUri(), Direction.OUT, field.isList());
        JsonNode objectValues = values.get(graphQlPred);
        if (objectValues.isArray()) {
            Spliterator<JsonNode> spliterator = Spliterators.spliteratorUnknownSize(objectValues.iterator(), Spliterator.ORDERED);
            return StreamSupport.stream(spliterator, false).flatMap(newObjectValues -> getChangesForProvObject(dataSet, newObjectValues, subjects, field));
        }
        return getChangesForProvObject(dataSet, objectValues, subjects, field);
    });
    return Stream.concat(customProv, customProvNested);
}

Example 53 with Spliterator

use of java.util.Spliterator in project timbuctoo by HuygensING.

the class ChangeLog method getProvenanceChanges.

protected Stream<Change> getProvenanceChanges(DataSet dataSet, Graph graph, String[] subjects, CustomProvenance provenance, Map<String, JsonNode> values) {
    TypeNameStore typeNameStore = dataSet.getTypeNameStore();
    Stream<Change> customProv = provenance.getFields().stream().filter(field -> field.getValueType() != null).flatMap(field -> {
        String graphQlPred = typeNameStore.makeGraphQlnameForPredicate(field.getUri(), Direction.OUT, field.isList());
        return Stream.of(subjects).map(subject -> new Change(graph, subject, field.getUri(), getValues(dataSet, values.get(graphQlPred)), Stream.empty()));
    });
    Stream<Change> customProvNested = provenance.getFields().stream().filter(field -> field.getObject() != null).flatMap(field -> {
        String graphQlPred = typeNameStore.makeGraphQlnameForPredicate(field.getUri(), Direction.OUT, field.isList());
        JsonNode objectValues = values.get(graphQlPred);
        if (objectValues.isArray()) {
            Spliterator<JsonNode> spliterator = Spliterators.spliteratorUnknownSize(objectValues.iterator(), Spliterator.ORDERED);
            return StreamSupport.stream(spliterator, false).flatMap(newObjectValues -> getChangesForProvObject(dataSet, newObjectValues, graph, subjects, field));
        }
        return getChangesForProvObject(dataSet, objectValues, graph, subjects, field);
    });
    return Stream.concat(customProv, customProvNested);
}

Example 54 with Spliterator

use of java.util.Spliterator in project jnosql-diana by eclipse.

the class SettingsConverter method success.

@Override
public Settings success(String value) {
    Config config = BeanManagers.getInstance(Config.class);
    final Spliterator<String> spliterator = config.getPropertyNames().spliterator();
    final String settingsPrefix = getSettingsPrefix(value);
    final Map<String, Object> settings = stream(spliterator, false).filter(isSettings(settingsPrefix)).distinct().collect(toMap(s -> s.replace(value + ".settings.", ""), s -> config.getValue(s, String.class)));
    return Settings.of(settings);
}

Example 55 with Spliterator

use of java.util.Spliterator in project nexus-public by sonatype.

the class DatastoreMetadataRebuilderTest method infiniteContinuation.

private Continuation infiniteContinuation(Object returnItem) {
    Continuation continuation = mock(Continuation.class);
    Iterator iterator = mock(Iterator.class);
    Spliterator spliterator = mock(Spliterator.class);
    when(continuation.spliterator()).thenReturn(spliterator);
    when(continuation.iterator()).thenReturn(iterator);
    when(iterator.hasNext()).thenReturn(true);
    when(iterator.next()).thenReturn(returnItem);
    return continuation;
}