Example usage for java.util Comparator comparing

List of usage examples for java.util Comparator comparing

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Introduction

In this page you can find the example usage for java.util Comparator comparing.

Prototype

public static <T, U extends Comparable<? super U>> Comparator<T> comparing(
        Function<? super T, ? extends U> keyExtractor)

Source Link

Document

Accepts a function that extracts a java.lang.Comparable Comparable sort key from a type T , and returns a Comparator that compares by that sort key.

Usage

From source file:com.thoughtworks.go.server.service.lookups.CommandSnippets.java

private List<CommandSnippet> sortByName(List<CommandSnippet> snippets) {
    List<CommandSnippet> snippetsSortedByName = new ArrayList<>(snippets);
    snippetsSortedByName.sort(Comparator.comparing(CommandSnippet::getName));
    return snippetsSortedByName;
}

From source file:org.apache.asterix.common.config.ConfigUsageTest.java

protected Set<Section> getSections(ConfigManager configManager) {
    TreeSet<Section> sections = new TreeSet<>(Comparator.comparing(Section::sectionName));
    sections.addAll(configManager.getSections());
    sections.remove(Section.LOCALNC);/*from   ww w  . ja  v  a  2s  .  c  om*/
    return sections;
}

From source file:com.uber.hoodie.common.table.timeline.HoodieActiveTimeline.java

protected HoodieActiveTimeline(FileSystem fs, String metaPath, String[] includedExtensions) {
    // Filter all the filter in the metapath and include only the extensions passed and
    // convert them into HoodieInstant
    try {/*w ww  . j av a  2s  . c o  m*/
        this.instants = Arrays.stream(HoodieTableMetaClient.scanFiles(fs, new Path(metaPath), path -> {
            // Include only the meta files with extensions that needs to be included
            String extension = FSUtils.getFileExtension(path.getName());
            return Arrays.stream(includedExtensions).anyMatch(Predicate.isEqual(extension));
        })).sorted(Comparator.comparing(
                // Sort the meta-data by the instant time (first part of the file name)
                fileStatus -> FSUtils.getInstantTime(fileStatus.getPath().getName())))
                // create HoodieInstantMarkers from FileStatus, which extracts properties
                .map(HoodieInstant::new).collect(Collectors.toList());
        log.info("Loaded instants " + instants);
    } catch (IOException e) {
        throw new HoodieIOException("Failed to scan metadata", e);
    }
    this.fs = fs;
    this.metaPath = metaPath;
    // multiple casts will make this lambda serializable - http://docs.oracle.com/javase/specs/jls/se8/html/jls-15.html#jls-15.16
    this.details = (Function<HoodieInstant, Optional<byte[]>> & Serializable) this::getInstantDetails;
}

From source file:com.compomics.pepshell.view.statistics.RatioStatisticsPane.java

private CategoryDataset createRatioDataset(PepshellProtein aPepshellProtein) {
    DefaultCategoryDataset returnset = new DefaultCategoryDataset();
    //PepshellProtein protein = experimentGroup.get(0).getProteins().get(experimentGroup.get(0).getProteins().indexOf(aPepshellProtein));
    if (aPepshellProtein != null) {
        for (Experiment anExperiment : experimentGroup) {

            if (anExperiment.getProteins().indexOf(aPepshellProtein) != -1) {
                PepshellProtein protein = anExperiment.getProteins()
                        .get(anExperiment.getProteins().indexOf(aPepshellProtein));

                List<PeptideGroup> sortedCopy = protein.getPeptideGroups().stream()
                        .sorted(Comparator
                                .comparing(e -> e.getRepresentativePeptide().getBeginningProteinMatch()))
                        .collect(Collectors.toList());

                for (PeptideGroup aPeptideGroup : sortedCopy) {
                    PeptideInterface aPeptide = aPeptideGroup.getRepresentativePeptide();

                    if (aPeptide instanceof QuantedPeptide && ((QuantedPeptide) aPeptide).getRatio() != null) {
                        Double value = Math.log(((QuantedPeptide) aPeptide).getRatio()) / Math.log(2);
                        returnset.addValue(value, anExperiment.getExperimentName(),
                                String.valueOf(aPeptide.getBeginningProteinMatch()));
                        //this part can be put in it's own method

                        for (Experiment checkList : experimentGroup) {

                            if (!checkList.equals(anExperiment)
                                    && returnset.getRowKeys().contains(checkList.getExperimentName())) {
                                if (returnset.getValue(checkList.getExperimentName(),
                                        String.valueOf(aPeptide.getBeginningProteinMatch())) == null) {
                                    returnset.addValue(null, checkList.getExperimentName(),
                                            String.valueOf(aPeptide.getBeginningProteinMatch()));
                                }/*  w w  w.  ja  v  a2s  . c om*/
                            }
                        }
                    }

                }

            }
        }
    }

    return returnset;
}

From source file:org.niord.web.DictionaryRestService.java

/** Exports the dictionary as a text file */
@GET/*from   w ww .  java2s  . c o m*/
@Path("/dictionary/{name}_{lang}.properties")
@Produces("text/plain;charset=UTF-8")
@GZIP
@NoCache
public String getDictionaryEntries(@PathParam("name") String name, @PathParam("lang") String lang) {
    DictionaryVo dict = dictionaryService.getCachedDictionary(name);
    if (dict == null) {
        throw new WebApplicationException(404);
    }

    StringBuilder result = new StringBuilder();
    dict.getEntries().values().stream().filter(e -> e.getDesc(lang) != null && e.getDesc(lang).descDefined())
            .sorted(Comparator.comparing(e2 -> e2.getKey().toLowerCase()))
            .forEach(entry -> result.append(entry.getKey()).append(" = ")
                    .append(encodeValue(entry.getDesc(lang).getValue())).append("\n"));

    return result.toString();
}

From source file:com.netflix.spinnaker.clouddriver.kubernetes.v2.caching.view.provider.KubernetesV2ManifestProvider.java

@Override
public KubernetesV2Manifest getManifest(String account, String location, String name) {
    Pair<KubernetesKind, String> parsedName;
    try {/*from  w  ww  .  j a  v  a  2  s .co  m*/
        parsedName = KubernetesManifest.fromFullResourceName(name);
    } catch (Exception e) {
        return null;
    }

    KubernetesKind kind = parsedName.getLeft();
    String key = Keys.infrastructure(kind, account, location, parsedName.getRight());

    Optional<CacheData> dataOptional = cacheUtils.getSingleEntry(kind.toString(), key);
    if (!dataOptional.isPresent()) {
        return null;
    }

    CacheData data = dataOptional.get();
    KubernetesResourceProperties properties = registry.get(account, kind);
    if (properties == null) {
        return null;
    }

    Function<KubernetesManifest, String> lastEventTimestamp = (
            m) -> (String) m.getOrDefault("lastTimestamp", m.getOrDefault("firstTimestamp", "n/a"));

    List<KubernetesManifest> events = cacheUtils
            .getTransitiveRelationship(kind.toString(), Collections.singletonList(key),
                    KubernetesKind.EVENT.toString())
            .stream().map(KubernetesCacheDataConverter::getManifest)
            .sorted(Comparator.comparing(lastEventTimestamp)).collect(Collectors.toList());

    KubernetesHandler handler = properties.getHandler();

    KubernetesManifest manifest = KubernetesCacheDataConverter.getManifest(data);
    Moniker moniker = KubernetesCacheDataConverter.getMoniker(data);

    return new KubernetesV2Manifest().builder().account(account).location(location).manifest(manifest)
            .moniker(moniker).status(handler.status(manifest)).artifacts(handler.listArtifacts(manifest))
            .events(events).build();
}

From source file:org.matsim.contrib.drt.routing.ClosestAccessEgressStopFinder.java

private TransitStopFacility findClosestStop(Facility<?> facility) {
    Coord coord = StopBasedDrtRoutingModule.getFacilityCoord(facility, network);

    TransitStopFacility closest = stops.values().stream()//
            .max(Comparator.comparing(s -> DistanceUtils.calculateSquaredDistance(coord, s.getCoord())))//
            .orElse(null);//  w  ww .j a  v  a 2 s . c o  m

    if (closest != null && walkBeelineFactor
            * DistanceUtils.calculateDistance(coord, closest.getCoord()) <= maxWalkDistance) {
        return closest;
    } else {
        return null;
    }
}

From source file:org.springframework.cloud.stream.app.object.detection.processor.ObjectDetectionTensorflowOutputConverter.java

/**
 * Loads object labels in the string_int_label_map.proto
 * @param labelsResource/*w w  w. j a v a2  s  . c om*/
 * @return
 * @throws Exception
 */
private static String[] loadLabels(Resource labelsResource) throws Exception {
    try (InputStream is = labelsResource.getInputStream()) {
        String text = StreamUtils.copyToString(is, Charset.forName("UTF-8"));
        StringIntLabelMapOuterClass.StringIntLabelMap.Builder builder = StringIntLabelMapOuterClass.StringIntLabelMap
                .newBuilder();
        TextFormat.merge(text, builder);
        StringIntLabelMapOuterClass.StringIntLabelMap proto = builder.build();

        int maxLabelId = proto.getItemList().stream()
                .map(StringIntLabelMapOuterClass.StringIntLabelMapItem::getId).max(Comparator.comparing(i -> i))
                .orElse(-1);

        String[] labelIdToNameMap = new String[maxLabelId + 1];
        for (StringIntLabelMapOuterClass.StringIntLabelMapItem item : proto.getItemList()) {
            if (!StringUtils.isEmpty(item.getDisplayName())) {
                labelIdToNameMap[item.getId()] = item.getDisplayName();
            } else {
                // Common practice is to set the name to a MID or Synsets Id. Synset is a set of synonyms that
                // share a common meaning: https://en.wikipedia.org/wiki/WordNet
                labelIdToNameMap[item.getId()] = item.getName();
            }
        }
        return labelIdToNameMap;
    }
}

From source file:com.epam.dlab.billing.azure.AzureBillableResourcesService.java

/**
 * Collects billable resources//from  www .  j  av a 2s  .c o m
 *
 * @return set of all billable resources that were created in scope by DLab from its installation to current time
 */
public Set<AzureDlabBillableResource> getBillableResources() {

    Set<AzureDlabBillableResource> billableResources = new HashSet<>();

    billableResources.addAll(getSsn());
    billableResources.addAll(getDataLake());
    billableResources.addAll(getEdgeAndStorageAccount());
    billableResources.addAll(getNotebooksAndClusters());

    List<AzureDlabBillableResource> list = new ArrayList<>(billableResources);
    list.sort(Comparator.comparing(AzureDlabBillableResource::getId));

    try {
        log.debug("Billable resources is \n {}",
                objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(list));
    } catch (JsonProcessingException e) {
        log.debug("Error during pretty printing. Show simple list", e);
        log.debug("Billable resources is {}", list);
    }

    return billableResources;
}

From source file:org.opennms.smoketest.topo.GraphMLTopologyIT.java

@Test
public void canUseTopology() throws IOException {
    topologyUIPage.selectTopologyProvider(() -> LABEL);
    topologyUIPage.defaultFocus();//from   w  w  w .  j av  a  2  s . com

    List<TopologyIT.FocusedVertex> focusedVertices = topologyUIPage.getFocusedVertices();
    assertEquals(4, focusedVertices.size());
    assertEquals(4, topologyUIPage.getVisibleVertices().size());
    assertEquals(1, topologyUIPage.getSzl());
    focusedVertices.sort(Comparator.comparing(TopologyIT.FocusedVertex::getNamespace)
            .thenComparing(TopologyIT.FocusedVertex::getLabel));
    assertEquals(Lists.newArrayList(focusVertex(topologyUIPage, "Acme:regions:", "East Region"),
            focusVertex(topologyUIPage, "Acme:regions:", "North Region"),
            focusVertex(topologyUIPage, "Acme:regions:", "South Region"),
            focusVertex(topologyUIPage, "Acme:regions:", "West Region")), focusedVertices);

    // Search for and select a region
    final String regionName = "South";
    TopologyIT.TopologyUISearchResults searchResult = topologyUIPage.search(regionName);
    assertEquals(5, searchResult.countItemsThatContain(regionName));
    searchResult.selectItemThatContains("South Region");

    // Focus should not have changed
    assertEquals(4, focusedVertices.size());
    assertEquals(4, topologyUIPage.getVisibleVertices().size());

    // Verify that the layout is the D3 Layout as this layer does not provide a preferredLayout
    assertEquals(Layout.D3, topologyUIPage.getSelectedLayout());

    // Switch Layer
    topologyUIPage.selectLayer("Markets");
    assertEquals(0, topologyUIPage.getSzl());
    assertEquals(1, topologyUIPage.getFocusedVertices().size());
    assertEquals("North 4", topologyUIPage.getFocusedVertices().get(0).getLabel());
}