Examples with BinaryOperator java.util.function.BinaryOperator used on opensource projects

Example 26 with BinaryOperator

use of java.util.function.BinaryOperator in project Gaffer by gchq.

the class AggregateValidator method validateElementAggregator.

private ValidationResult validateElementAggregator(final Map.Entry<String, ?> entry, final Schema schema) {
    final ValidationResult result = new ValidationResult();
    List<TupleAdaptedBinaryOperator<String, ?>> aggregateFunctions = new ArrayList<>();
    final SchemaElementDefinition schemaElement = schema.getElement(entry.getKey());
    if (null != schemaElement) {
        aggregateFunctions = schemaElement.getOriginalAggregateFunctions();
    }
    List<BinaryOperator<?>> schemaOperators = new ArrayList<>();
    if (null != aggregateFunctions) {
        schemaOperators = Streams.toStream(aggregateFunctions).map(AdaptedBinaryOperator::getBinaryOperator).collect(Collectors.toList());
    }
    if (schemaOperators.contains(null)) {
        result.addError("Schema contains an ElementAggregator with a null function.");
    }
    final AggregatePair pair = (AggregatePair) entry.getValue();
    final ElementAggregator aggregator = pair.getElementAggregator();
    if (null != aggregator && null != aggregator.getComponents()) {
        for (final TupleAdaptedBinaryOperator<String, ?> adaptedFunction : aggregator.getComponents()) {
            if (null == adaptedFunction.getBinaryOperator()) {
                result.addError(aggregator.getClass().getSimpleName() + " contains a null function.");
            }
        }
    }
    return result;
}

Example 27 with BinaryOperator

use of java.util.function.BinaryOperator in project rest.li by linkedin.

the class SchemaToAvroJsonEncoder method produceFieldProperties.

@SuppressWarnings("unchecked")
static /* package private */
Map<String, ?> produceFieldProperties(RecordDataSchema.Field field, DataToAvroSchemaTranslationOptions options) {
    Stream<Map.Entry<String, Object>> toBeFiltered = field.getProperties().entrySet().stream();
    // and merge with record field's properties.
    if (field.getType().getType() == DataSchema.Type.TYPEREF) {
        toBeFiltered = Stream.concat(toBeFiltered, ((TyperefDataSchema) field.getType()).getMergedTyperefProperties().entrySet().stream()).filter(entry -> !options.getTyperefPropertiesExcludeSet().contains(entry.getKey()));
    }
    // Property merge rule:
    // For property content inherited from TypeRef that appears to be have same property name as the record field:
    // if the two property contents are Map type, they will be merged at this level,
    // otherwise Typeref field property content will be overridden by record field property's content.
    BinaryOperator<Object> propertyMergeLogic = (originalPropertyContent, inheritedPropertyContent) -> {
        if (originalPropertyContent instanceof Map && inheritedPropertyContent instanceof Map) {
            Map<String, Object> mergedMap = new DataMap((Map<String, Object>) originalPropertyContent);
            ((Map<String, Object>) inheritedPropertyContent).forEach(mergedMap::putIfAbsent);
            return mergedMap;
        } else {
            return originalPropertyContent;
        }
    };
    return toBeFiltered.filter(entry -> !RESERVED_DATA_PROPERTIES.contains(entry.getKey())).collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, propertyMergeLogic));
}

Example 28 with BinaryOperator

use of java.util.function.BinaryOperator in project JDK8 by ABHSY.

the class MethodReference method test3.

public void test3() {
    String name = getName();
    Runnable runnable = () -> System.out.print(name);
    ActionListener actionListener = event -> System.out.print(1);
    Runnable runnable1 = () -> {
        System.out.print(1);
    };
    BinaryOperator<Integer> binaryOperator = (x, y) -> x + y;
    BinaryOperator<Long> binaryOperator1 = (Long x, Long y) -> x + y;
}

Example 29 with BinaryOperator

use of java.util.function.BinaryOperator in project Field2 by OpenEndedGroup.

the class BoxChildHelper method asMap_get.

@Override
public Object asMap_get(String p) {
    if (p.equals("all")) {
        return new All();
    }
    if (p.equals("first")) {
        if (c.size() == 0)
            return null;
        return c.get(0);
    }
    if (t.containsKey(p))
        return t.get(p);
    Stream<Object> o = c.stream().map(x -> x.asMap_get(p)).filter(x -> x != null);
    Optional val = null;
    Dict.Prop c = new Dict.Prop(p).findCanon();
    if (c != null) {
        BinaryOperator sr = c.getAttributes().get(Dict.streamReducer);
        if (sr != null)
            val = o.reduce(sr);
        else {
            Function<Collection, Optional<Object>> cr = c.getAttributes().get(Dict.collectionReducer);
            if (cr != null) {
                List<Object> q = o.collect(Collectors.toList());
                if (q.size() > 0)
                    val = cr.apply(q);
            }
        }
    }
    if (val != null && val.isPresent())
        return val.get();
    List<Object> q = o.collect(Collectors.toList());
    if (q.size() == 0)
        return null;
    if (q.size() == 1)
        return q.get(0);
    return new ListProxy(q);
}

Example 30 with BinaryOperator

use of java.util.function.BinaryOperator in project gaffer-doc by gchq.

the class PropertiesWalkthrough method listAggregators.

protected boolean listAggregators(final Class<?> clazz) {
    final List<String> aggregateClasses = new ArrayList<>();
    for (final BinaryOperator function : AGGREGATE_FUNCTIONS) {
        final Signature signature = Signature.getInputSignature(function);
        if (signature.assignable(clazz).isValid()) {
            aggregateClasses.add(WalkthroughStrSubstitutor.getJavaDocLink(function.getClass(), false, 3));
        }
    }
    if (!aggregateClasses.isEmpty()) {
        print(AGGREGATORS_KEY, "\nAggregators:");
        print(AGGREGATORS_KEY, "\n- " + StringUtils.join(aggregateClasses, "\n- "));
    }
    return !aggregateClasses.isEmpty();
}