Example usage for java.util.stream Collectors toCollection

Introduction

In this page you can find the example usage for java.util.stream Collectors toCollection.

Prototype

public static <T, C extends Collection<T>> Collector<T, ?, C> toCollection(Supplier<C> collectionFactory)

Source Link

Document

Returns a Collector that accumulates the input elements into a new Collection , in encounter order.

Usage

From source file:org.jboss.errai.ui.rebind.TemplatedCodeDecorator.java

@SuppressWarnings("serial")
private List<Statement> generateDataFieldMetas(final String dataFieldMetasVarName, final Decorable decorable) {
    final Map<String, DataField> annoMap = DataFieldCodeDecorator.aggregateDataFieldAnnotationMap(decorable,
            decorable.getType());//w  w w . j  a  v  a  2 s.c o  m
    final List<Statement> stmts = new ArrayList<>(annoMap.size() + 1);
    stmts.add(declareFinalVariable(dataFieldMetasVarName, new TypeLiteral<Map<String, DataFieldMeta>>() {
    }, newObject(parameterizedAs(HashMap.class, typeParametersOf(String.class, DataFieldMeta.class)),
            annoMap.size())));
    annoMap.entrySet().stream().map(entry -> {
        final String fieldName = entry.getKey();
        final DataField dataField = entry.getValue();
        Statement dataFieldMetaInstance;
        if (dataField.attributeRules().length == 0
                && dataField.defaultStrategy().equals(ConflictStrategy.USE_TEMPLATE)) {
            dataFieldMetaInstance = newObject(DataFieldMeta.class);
        } else {
            dataFieldMetaInstance = newObject(DataFieldMeta.class, loadLiteral(dataField.attributeRules()),
                    loadLiteral(dataField.defaultStrategy()));
        }

        return loadVariable(dataFieldMetasVarName).invoke("put", fieldName, dataFieldMetaInstance);
    }).collect(Collectors.toCollection(() -> stmts));

    return stmts;
}

From source file:de.bund.bfr.knime.gis.views.canvas.CanvasUtils.java

public static <T extends Element> Set<T> removeInvisibleElements(Set<T> elements,
        HighlightConditionList highlightConditions) {
    Set<T> removed = new LinkedHashSet<>();

    highlightConditions.getConditions().stream().filter(c -> c.isInvisible()).forEach(c -> {
        Set<T> toRemove = c.getValues(elements).entrySet().stream().filter(e -> e.getValue() != 0.0)
                .map(e -> e.getKey()).collect(Collectors.toCollection(LinkedHashSet::new));

        elements.removeAll(toRemove);//www . j av a2  s. c  o  m
        removed.addAll(toRemove);
    });

    return removed;
}

From source file:com.ge.predix.acs.service.policy.evaluation.PolicyEvaluationServiceTest.java

private Object[] filterTwoPolicySetsByByNonexistentPolicySet(final List<PolicySet> twoPolicySets) {
    return new Object[] { twoPolicySets, Stream.of(twoPolicySets.get(0).getName(), "noexistent-policy-set")
            .collect(Collectors.toCollection(LinkedHashSet::new)) };
}

From source file:de.bund.bfr.knime.gis.views.canvas.CanvasUtils.java

public static <V extends Node> Set<Edge<V>> removeNodelessEdges(Set<Edge<V>> edges, Set<V> nodes) {
    Set<Edge<V>> removed = edges.stream()
            .filter(e -> !nodes.contains(e.getFrom()) || !nodes.contains(e.getTo()))
            .collect(Collectors.toCollection(LinkedHashSet::new));

    edges.removeAll(removed);/*from w  w  w .  ja va 2s  .  c o m*/

    return removed;
}

From source file:com.ge.predix.acs.service.policy.evaluation.PolicyEvaluationServiceTest.java

private Object[] filterTwoPolicySetsByItself(final List<PolicySet> twoPolicySets) {
    return new Object[] { twoPolicySets,
            Stream.of(twoPolicySets.get(0).getName(), twoPolicySets.get(1).getName())
                    .collect(Collectors.toCollection(LinkedHashSet::new)),
            twoPolicySets.stream().collect(Collectors.toCollection(LinkedHashSet::new)) };
}

From source file:com.ge.predix.acs.service.policy.evaluation.PolicyEvaluationServiceTest.java

private Object[] filterTwoPolicySetsBySecondPolicySet(final List<PolicySet> twoPolicySets) {
    return new Object[] { twoPolicySets,
            Stream.of(twoPolicySets.get(1).getName()).collect(Collectors.toCollection(LinkedHashSet::new)),
            Stream.of(twoPolicySets.get(1)).collect(Collectors.toCollection(LinkedHashSet::new)) };
}

From source file:io.divolte.server.recordmapping.ConfigRecordMapper.java

private static List<FieldSetter> setterListFromConfig(final Schema schema, final Config config) {
    if (!config.hasPath("divolte.tracking.schema_mapping.fields")) {
        throw new SchemaMappingException("Schema mapping configuration has no field mappings.");
    }//from  w  w w.  j av a2s .  co m

    final Set<Entry<String, ConfigValue>> entrySet = config.getConfig("divolte.tracking.schema_mapping.fields")
            .root().entrySet();

    return entrySet.stream().map((e) -> fieldSetterFromConfig(schema, e))
            .collect(Collectors.toCollection(() -> new ArrayList<>(entrySet.size())));
}

From source file:com.ge.predix.acs.service.policy.evaluation.PolicyEvaluationServiceTest.java

private Object[] filterTwoPolicySetsByFirstSet(final List<PolicySet> twoPolicySets) {
    return new Object[] { twoPolicySets,
            Stream.of(twoPolicySets.get(0).getName()).collect(Collectors.toCollection(LinkedHashSet::new)),
            Stream.of(twoPolicySets.get(0)).collect(Collectors.toCollection(LinkedHashSet::new)) };
}

From source file:com.ge.predix.acs.service.policy.evaluation.PolicyEvaluationServiceTest.java

private Object[] filterOnePolicySetByItself(final List<PolicySet> onePolicySet) {
    return new Object[] { onePolicySet,
            Stream.of(onePolicySet.get(0).getName()).collect(Collectors.toCollection(LinkedHashSet::new)),
            onePolicySet.stream().collect(Collectors.toCollection(LinkedHashSet::new)) };
}

From source file:com.ge.predix.acs.service.policy.evaluation.PolicyEvaluationServiceTest.java

private Object[] filterOnePolicySetByEmptyEvaluationOrder(final List<PolicySet> onePolicySet) {
    return new Object[] { onePolicySet, PolicyEvaluationRequestV1.EMPTY_POLICY_EVALUATION_ORDER,
            onePolicySet.stream().collect(Collectors.toCollection(LinkedHashSet::new)) };
}