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

Introduction

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

Prototype

protected Ordering()

Source Link

Document

Constructs a new instance of this class (only invokable by the subclass constructor, typically implicit).

Usage

From source file:pp1.KNNPositioner.java

@Override
public List<PositioningError> getPositions(List<TraceEntry> offline, List<TraceEntry> online,
        Distancer distancer) {//from  ww w .j a  va  2s  .  com
    List<PositioningError> results = new ArrayList<>();

    /*online.stream().forEach((trace) -> {
     List<GeoPosition> bestTargets = offline.stream()
     .sorted((TraceEntry t1, TraceEntry t2) -> distancer.compareByDistance(t1, t2, trace))
     .limit(k).map(TraceEntry::getGeoPosition).collect(Collectors.toList());
     results.add(new PositioningError(trace.getGeoPosition(), Statistics.avgPosition(bestTargets) ));
     });*/ //Soooooo sloooow
    online.stream().forEach((TraceEntry trace) -> {
        //define ordering of TraceEntries by distance
        Ordering<TraceEntry> O = new Ordering<TraceEntry>() {
            public int compare(TraceEntry t1, TraceEntry t2) {
                return distancer.compareByDistance(t1, t2, trace);
            }
        };

        //find closest TraceEntries as a stream
        Stream<TraceEntry> leastDistanceTraceEntryStream = O.leastOf(offline, k).stream();
        //convert result of stream to a list of GeoPositions
        List<GeoPosition> leastDistancePositionsList = leastDistanceTraceEntryStream
                .map(TraceEntry::getGeoPosition).collect(Collectors.toList());
        //find average position
        GeoPosition avgPosition = Statistics.avgPosition(leastDistancePositionsList);
        //add to resultset
        results.add(new PositioningError(trace.getGeoPosition(), avgPosition));
    });

    return results;
}

From source file:codecrafter47.bungeetablistplus.util.ContextAwareOrdering.java

public List<T> immutableSortedCopy(Context context, Collection<T> elements) {
    return new Ordering<T>() {

        @Override/*from   www . j av a  2s .  c  o  m*/
        public int compare(@Nullable T left, @Nullable T right) {
            return ContextAwareOrdering.this.compare(context, left, right);
        }
    }.immutableSortedCopy(elements);
}

From source file:com.google.errorprone.refaster.testdata.template.ReturnPlaceholderTemplate.java

@AfterTemplate
Ordering<T> split() {/*from ww  w .  ja  va2  s .  c om*/
    return new Ordering<T>() {
        @Override
        public int compare(T left, T right) {
            /*
             * firstCompare was used as a one-line expression in @BeforeTemplate, but will be a return
             * placeholder here
             */
            return firstCompare(left, right);
        }
    }.compound(new Ordering<T>() {
        @Override
        public int compare(T left, T right) {
            return secondCompare(left, right);
        }
    });
}

From source file:edu.cmu.lti.oaqa.framework.example.eval.DocRetrievalEvalConsumer.java

@Override
protected Ordering<OutputElement> getOrdering() {
    return new Ordering<OutputElement>() {
        public int compare(OutputElement left, OutputElement right) {
            int rankDiff = left.getSequenceId().compareTo(right.getSequenceId());
            if (rankDiff != 0) {
                return rankDiff;
            }//from   w  ww .  j  av  a2  s.c o  m
            return left.getAnswer().compareTo(right.getAnswer());
        }
    };
}

From source file:fm.last.lastfmlive.data.Chart.java

public List<T> sortedView() {
    Ordering<Map.Entry<T, Integer>> ordering = new Ordering<Map.Entry<T, Integer>>() {
        @Override//from   w w w.j  ava 2s .  c om
        public int compare(java.util.Map.Entry<T, Integer> arg0, java.util.Map.Entry<T, Integer> arg1) {
            return arg0.getValue().compareTo(arg1.getValue());
        }
    };
    return Lists.transform(ordering.reverse().sortedCopy(artistCountMap.entrySet()),
            new Function<Map.Entry<T, Integer>, T>() {
                public T apply(Entry<T, Integer> arg0) {
                    return arg0.getKey();
                }
            });
}

From source file:de.rkl.tools.tzconv.model.ApplicationModel.java

private static SetMultimap<ZoneOffset, ZoneId> sortAvailableZoneIds() {
    final SortedSetMultimap<ZoneOffset, ZoneId> zoneIdMap = TreeMultimap.create(Ordering.natural().reverse(),
            new Ordering<ZoneId>() {
                @Override/*from  w w w.j a  v  a2 s.com*/
                public int compare(final ZoneId zoneId1, final ZoneId zoneId2) {
                    return ComparisonChain.start().compare(zoneId1.toString(), zoneId2.toString()).result();
                }
            }.nullsFirst());
    ZoneId.getAvailableZoneIds().stream().forEach(zoneId -> {
        final ZoneId zoneIdObject = ZoneId.of(zoneId);
        zoneIdMap.put(zoneIdObject.getRules().getStandardOffset(Instant.now()), zoneIdObject);
    });
    return ImmutableSetMultimap.copyOf(zoneIdMap);
}

From source file:org.jclouds.abiquo.domain.DomainWithTasksWrapper.java

public Iterable<AsyncTask<?, ?>> listTasks() {
    TasksDto result = context.getApi().getTaskApi().listTasks(target);
    List<AsyncTask<?, ?>> tasks = Lists.newArrayList();
    for (TaskDto dto : result.getCollection()) {
        tasks.add(newTask(context, dto));
    }/* w ww.  j a  va2s.c om*/

    // Return the most recent task first
    Collections.sort(tasks, new Ordering<AsyncTask<?, ?>>() {
        @Override
        public int compare(final AsyncTask<?, ?> left, final AsyncTask<?, ?> right) {
            return Longs.compare(left.getTimestamp(), right.getTimestamp());
        }
    }.reverse());

    return tasks;
}

From source file:org.jboss.as.console.client.administration.accesscontrol.store.Principals.java

public static Ordering<Principal> orderedByType() {
    return new Ordering<Principal>() {
        @Override// w  w  w.j  av a2s  .  com
        public int compare(final Principal left, final Principal right) {
            return left.getType().compareTo(right.getType());
        }
    };
}

From source file:com.google.errorprone.BugPatternIndexYamlWriter.java

void dump(Collection<Instance> patterns, Writer w) throws IOException {
    Map<String, List<Map<String, String>>> data = new TreeMap<>(Ordering.natural().reverse());

    ListMultimap<String, BugPattern.Instance> index = index(patterns, new Function<Instance, String>() {
        @Override//  www  .j  ava2  s .  c o  m
        public String apply(Instance input) {
            return input.maturity.description + " : " + input.severity;
        }
    });

    for (Entry<String, Collection<Instance>> entry : index.asMap().entrySet()) {
        data.put(entry.getKey(),
                FluentIterable.from(entry.getValue()).transform(new Function<Instance, Map<String, String>>() {
                    @Override
                    public Map<String, String> apply(Instance input) {
                        return ImmutableMap.of("name", input.name, "summary", input.summary);
                    }
                }).toSortedList(new Ordering<Map<String, String>>() {
                    @Override
                    public int compare(Map<String, String> left, Map<String, String> right) {
                        return left.get("name").compareTo(right.get("name"));
                    }
                }));
    }
    new Yaml().dump(data, w);
}

From source file:com.yidingliu.pjt.api.swagger.SwaggerConfig.java

/**
 * Every SwaggerSpringMvcPlugin bean is picked up by the swagger-mvc
 * framework - allowing for multiple swagger groups i.e. same code base
 * multiple swagger resource listings.//from  w  w w.j a  v  a2s  .c  o m
 */
@Bean
public SwaggerSpringMvcPlugin customImplementation() {
    SwaggerSpringMvcPlugin swaggerSpringMvcPlugin = new SwaggerSpringMvcPlugin(this.springSwaggerConfig)
            .apiInfo(apiInfo());

    swaggerSpringMvcPlugin.includePatterns(".api.*");

    List<ResponseMessage> responseMessages = new ArrayList<ResponseMessage>();
    responseMessages.add(new ResponseMessage(500, "", null));
    swaggerSpringMvcPlugin.globalResponseMessage(RequestMethod.POST, responseMessages);
    swaggerSpringMvcPlugin.apiVersion("2.0");
    swaggerSpringMvcPlugin.apiListingReferenceOrdering(new APIListingLexicographicalOrdering());// ??
    Ordering<ApiListingReference> apiListingReferenceOrdering = new Ordering<ApiListingReference>() {
        @Override
        public int compare(ApiListingReference left, ApiListingReference right) {
            return left.getPosition() - right.getPosition();
        }
    };
    swaggerSpringMvcPlugin.apiListingReferenceOrdering(apiListingReferenceOrdering);

    return swaggerSpringMvcPlugin;
}