Example usage for com.google.common.collect Ordering from

Introduction

In this page you can find the example usage for com.google.common.collect Ordering from.

Prototype

@GwtCompatible(serializable = true)
@Deprecated
public static <T> Ordering<T> from(Ordering<T> ordering)

Source Link

Document

Simply returns its argument.

Usage

From source file:com.cloudera.oryx.ml.serving.als.MostPopularItems.java

@GET
@Produces({ CSVMessageBodyWriter.TEXT_CSV, MediaType.APPLICATION_JSON })
public List<IDCount> get(@DefaultValue("10") @QueryParam("howMany") int howMany,
        @DefaultValue("0") @QueryParam("offset") int offset) {

    ALSServingModel model = getALSServingModel();
    Map<String, Integer> itemCounts = model.getItemCounts();

    Iterable<Pair<String, Integer>> countPairs = Iterables.transform(itemCounts.entrySet(),
            new Function<Map.Entry<String, Integer>, Pair<String, Integer>>() {
                @Override/* w  w w .j a  v  a  2 s. c  o m*/
                public Pair<String, Integer> apply(Map.Entry<String, Integer> input) {
                    return new Pair<>(input.getKey(), input.getValue());
                }
            });

    List<Pair<String, Integer>> allTopCountPairs = Ordering.from(PairComparators.<Integer>bySecond())
            .greatestOf(countPairs, howMany + offset);
    List<Pair<String, Integer>> topCountPairs = selectedSublist(allTopCountPairs, howMany, offset);

    return Lists.transform(topCountPairs, new Function<Pair<String, Integer>, IDCount>() {
        @Override
        public IDCount apply(Pair<String, Integer> idCount) {
            return new IDCount(idCount.getFirst(), idCount.getSecond());
        }
    });
}

From source file:com.gradleware.tooling.toolingmodel.repository.internal.HierarchyHelper.java

private <E extends T> ImmutableList<E> sort(List<E> elements) {
    return Ordering.from(this.comparator).immutableSortedCopy(elements);
}

From source file:ec.util.completion.ext.QuickAutoCompletionSource.java

/**
 * Returns the master ordering used to sort values.<br>Default behavior uses
 * {@link #compare(java.lang.Object, java.lang.Object)}.
 *
 * @return a new ordering/*from w  w w .java2 s .  c o m*/
 */
protected Ordering getSorter() {
    return Ordering.from(this);
}

From source file:com.facebook.presto.util.IterableTransformer.java

public IterableTransformer<E> orderBy(Comparator<E> ordering) {
    return new IterableTransformer<>(Ordering.from(ordering).sortedCopy(iterable));
}

From source file:eu.lp0.cursus.ui.table.RaceAttendeesDatabaseColumn.java

public void setRace(Race race) {
    if (race != null) {
        pilots.replaceAll(Collections2.transform(
                Ordering.from(new PilotRaceNumberComparator()).sortedCopy(race.getAttendees().keySet()),
                PilotWrapper.getFunction()));
    } else {//  www .  jav a 2 s.  c  om
        pilots.replaceAll(Collections.<PilotWrapper>emptySet());
    }
}

From source file:com.google.transconsole.common.messages.Bundle.java

/**
 * @return a sorted immutable list of the Message objects in this bundle
 *///from  w w  w.j av a  2s . co  m
public List<T> getMessages() {
    return ImmutableList.copyOf(Ordering.from(new Comparator<T>() {
        public int compare(T m1, T m2) {
            return m1.getId().compareTo(m2.getId());
        }
    }).sortedCopy(messages.values()));
}

From source file:iterator.model.IFS.java

@Override
public boolean add(Transform element) {
    if (element.getId() < 0) {
        element.setId(isEmpty() ? 1 : Ordering.from(IDENTITY).max(this).getId() + 1);
        element.setZIndex(isEmpty() ? 0 : Ordering.from(Z_ORDER).max(this).getZIndex() + 1);
    }/*from   w ww.  ja  va 2s  . c om*/

    return super.add(element);
}

From source file:com.esofthead.mycollab.module.project.ui.components.TimeTrackingDateOrderComponent.java

@Override
protected Ordering<SimpleItemTimeLogging> sortEntries() {
    return Ordering.from(new DateComparator()).compound(new ProjectComparator()).compound(new UserComparator());
}

From source file:org.graylog2.messageprocessors.MessageFilterChainProcessor.java

@Inject
public MessageFilterChainProcessor(MetricRegistry metricRegistry, Set<MessageFilter> filterRegistry,
        Journal journal, ServerStatus serverStatus) {
    this.metricRegistry = metricRegistry;
    this.journal = journal;
    this.serverStatus = serverStatus;
    // we need to keep this sorted properly, so that the filters run in the correct order
    this.filterRegistry = Ordering.from(new Comparator<MessageFilter>() {
        @Override//from   w w  w . j a v  a 2 s.c o  m
        public int compare(MessageFilter filter1, MessageFilter filter2) {
            return ComparisonChain.start().compare(filter1.getPriority(), filter2.getPriority())
                    .compare(filter1.getName(), filter2.getName()).result();
        }
    }).immutableSortedCopy(filterRegistry);

    if (filterRegistry.size() == 0)
        throw new RuntimeException("Empty filter registry!");

    this.filteredOutMessages = metricRegistry.meter(name(ProcessBufferProcessor.class, "filteredOutMessages"));
}

From source file:springfox.documentation.spring.web.readers.operation.HandlerMethodResolver.java

@VisibleForTesting
static Ordering<ResolvedMethod> byArgumentCount() {
    return Ordering.from(new Comparator<ResolvedMethod>() {
        @Override/*from   ww w .  ja  va  2s .com*/
        public int compare(ResolvedMethod first, ResolvedMethod second) {
            return Ints.compare(first.getArgumentCount(), second.getArgumentCount());
        }
    });
}