Example usage for java.util.stream Collectors toMap

Introduction

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

Prototype

public static <T, K, U> Collector<T, ?, Map<K, U>> toMap(Function<? super T, ? extends K> keyMapper,
        Function<? super T, ? extends U> valueMapper) 

Source Link

Document

Returns a Collector that accumulates elements into a Map whose keys and values are the result of applying the provided mapping functions to the input elements.

Usage

From source file:net.dv8tion.jda.managers.RoleManager.java

/**
 * Moves this Role up or down in the list of Roles (changing position attribute)
 * This change takes effect immediately!
 *
 * @param newPosition// w w w.j  a  v a2  s  .  c om
 *      the amount of positions to move up (offset < 0) or down (offset > 0)
 * @return
 *      this
 */
public RoleManager move(int newPosition) {
    checkPermission(Permission.MANAGE_ROLES);
    checkPosition();
    int maxRolePosition = role.getGuild().getRolesForUser(role.getJDA().getSelfInfo()).get(0).getPosition();
    if (newPosition >= maxRolePosition)
        throw new PermissionException(
                "Cannot move to a position equal to or higher than the highest role that you have access to.");

    if (newPosition < 0 || newPosition == role.getPosition())
        return this;

    Map<Integer, Role> newPositions = new HashMap<>();
    Map<Integer, Role> currentPositions = role.getGuild().getRoles().stream()
            .collect(Collectors.toMap(role -> role.getPosition(), role -> role));

    //Remove the @everyone role from our working set.
    currentPositions.remove(-1);
    int searchIndex = newPosition > role.getPosition() ? newPosition : newPosition;
    int index = 0;
    for (Role r : currentPositions.values()) {
        if (r == role)
            continue;
        if (index == searchIndex) {
            newPositions.put(index, role);
            index++;
        }
        newPositions.put(index, r);
        index++;
    }
    //If the role was moved to the very top, this will make sure it is properly handled.
    if (!newPositions.containsValue(role))
        newPositions.put(newPosition, role);

    for (int i = 0; i < newPositions.size(); i++) {
        if (currentPositions.get(i) == newPositions.get(i))
            newPositions.remove(i);
    }

    JSONArray rolePositions = new JSONArray();
    newPositions.forEach((pos, r) -> {
        rolePositions.put(new JSONObject().put("id", r.getId()).put("position", pos + 1));
    });
    ((JDAImpl) role.getJDA()).getRequester().patch(
            Requester.DISCORD_API_PREFIX + "guilds/" + role.getGuild().getId() + "/roles", rolePositions);
    return this;
}

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From source file:com.epam.catgenome.manager.gene.GeneRegisterer.java

public GeneRegisterer(ReferenceGenomeManager referenceGenomeManager, FileManager fileManager,
        FeatureIndexManager featureIndexManager, GeneFile geneFile) {
    this.fileManager = fileManager;
    this.featureIndexManager = featureIndexManager;
    this.geneFile = geneFile;

    chromosomeMap = referenceGenomeManager.loadChromosomes(geneFile.getReferenceId()).stream()
            .collect(Collectors.toMap(BaseEntity::getName, c -> c));
}

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From source file:gov.pnnl.goss.gridappsd.testmanager.CompareResults.java

public void loadSimResultTestCode(String path, SimulationOutput simOut) {
    JsonParser parser = new JsonParser();
    try {/*from  w w  w.  ja va2 s .  c om*/
        BufferedReader br = new BufferedReader(new FileReader(path));
        JsonElement elm = parser.parse(br);
        if (elm.isJsonObject()) {
            JsonObject jsonObject = elm.getAsJsonObject();
            JsonObject output = jsonObject.get("output").getAsJsonObject();
            JsonObject f2 = output.get("ieee8500").getAsJsonObject();

            // Turn to a Map 
            Map<String, JsonElement> ouputsMap = f2.entrySet().stream()
                    .collect(Collectors.toMap(Map.Entry::getKey, e -> e.getValue()));

            for (SimulationOutputObject out : simOut.output_objects) {
                JsonElement outputTmp = ouputsMap.get(out.name);
                System.out.println(out.name + " " + ouputsMap.get(out.name));
                // TODO Compare here since I can look at each output and property
                if (output != null) {
                    for (String prop : out.getProperties()) {
                        System.out.println("     " + prop);
                        System.out.println("     " + outputTmp.getAsJsonObject().get(prop));
                    }
                }
                break;
            }

            //             Set<Entry<String, JsonElement>> entrySet = f2.entrySet();          
            //             for(Map.Entry<String,JsonElement> entry : entrySet){
            //                if(entry.getValue().isJsonObject()){
            //                   JsonObject obj = entry.getValue().getAsJsonObject();
            //                   for (String prop : propsArray) {
            //                      if (obj.has(prop)) System.out.println(prop +  " : " + obj.get(prop));   
            //                  } 
            //
            //                }
            //                 System.out.println("key >>> "+entry.getKey());
            //                 System.out.println("val >>> "+entry.getValue());
            //             }

        }
    } catch (FileNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }
}

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From source file:com.uber.okbuck.core.util.ProjectUtil.java

public static Map<ComponentIdentifier, ResolvedArtifactResult> downloadSources(Project project,
        Set<ResolvedArtifactResult> artifacts) {

    // Download sources if enabled via intellij extension
    if (!ProjectUtil.getOkBuckExtension(project).getIntellijExtension().downloadSources()) {
        return new HashMap<>();
    }//from w w  w  .  j  a va2 s  . c  o m

    DependencyHandler dependencies = project.getDependencies();

    try {
        Set<ComponentIdentifier> identifiers = artifacts.stream()
                .filter(artifact -> canHaveSources(artifact.getFile()))
                .map(artifact -> artifact.getId().getComponentIdentifier()).collect(Collectors.toSet());

        @SuppressWarnings("unchecked")
        Class<? extends Artifact>[] artifactTypesArray = (Class<? extends Artifact>[]) new Class<?>[] {
                SourcesArtifact.class };

        Set<ComponentArtifactsResult> results = dependencies.createArtifactResolutionQuery()
                .forComponents(identifiers).withArtifacts(JvmLibrary.class, artifactTypesArray).execute()
                .getResolvedComponents();

        // Only has one type.
        Class<? extends Artifact> type = artifactTypesArray[0];

        return results.stream().map(artifactsResult -> artifactsResult.getArtifacts(type)).flatMap(Set::stream)
                .filter(artifactResult -> artifactResult instanceof ResolvedArtifactResult)
                .map(artifactResult -> (ResolvedArtifactResult) artifactResult)
                .filter(artifactResult -> FileUtil.isZipFile(artifactResult.getFile()))
                .collect(Collectors.toMap(resolvedArtifact -> resolvedArtifact.getId().getComponentIdentifier(),
                        resolvedArtifact -> resolvedArtifact));

    } catch (Throwable t) {
        System.out.println(
                "Unable to download sources for project " + project.toString() + " with error " + t.toString());

        return new HashMap<>();
    }
}

---

From source file:de.whs.poodle.repositories.StatisticsRepository.java

public Map<Integer, Statistic> getExerciseToStatisticMapForSelfStudy(int studentId, int courseTermId) {
    @SuppressWarnings("unchecked")
    List<Statistic> statistics = em
            .createNativeQuery("SELECT s.* FROM self_study_worksheet_to_exercise wse "
                    + "JOIN student_to_course_term sct ON sct.id = wse.student_to_course_term_id "
                    + "JOIN exercise e ON wse.exercise_id = e.id "
                    + "JOIN v_statistic s ON s.exercise_root_id = e.root_id AND sct.student_id = s.student_id "
                    + "WHERE s.student_id = :studentId AND sct.course_term_id = :courseTermId", Statistic.class)
            .setParameter("courseTermId", courseTermId).setParameter("studentId", studentId).getResultList();

    return statistics.stream().collect(Collectors.toMap(Statistic::getExerciseRootId, Function.identity()));
}

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From source file:com.github.horrorho.liquiddonkey.settings.commandline.CommandLineOptions.java

static Map<String, Property> optToProperty(Map<Property, Option> options) {
    return options.entrySet().stream()
            .map(set -> Arrays.asList(new SimpleEntry<>(set.getValue().getOpt(), set.getKey()),
                    new SimpleEntry<>(set.getValue().getLongOpt(), set.getKey())))
            .flatMap(List::stream).filter(set -> set.getKey() != null)
            .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
}

---

From source file:at.fh.swenga.firefighters.controller.FireFighterController.java

@RequestMapping(value = { "/", "index" })
public String index(Model model, HttpServletRequest request) {

    if (request.isUserInRole("ROLE_GLOBAL_ADMIN")) {
        List<FireBrigadeModel> fireBrigades = fireBrigadeRepository.findAll();
        model.addAttribute("fireBrigades", fireBrigades);
        float males = fireFighterRepository.countByGender("m");
        float females = fireFighterRepository.countByGender("w");
        float sumFighters = males + females;
        float percentFem = females / sumFighters * 100;
        float percentMal = males / sumFighters * 100;
        percentFem = BigDecimal.valueOf(percentFem).setScale(2, RoundingMode.HALF_UP).floatValue();
        percentMal = BigDecimal.valueOf(percentMal).setScale(2, RoundingMode.HALF_UP).floatValue();
        model.addAttribute("males", percentMal);
        model.addAttribute("females", percentFem);
        model.addAttribute("sumFighters", sumFighters);
        List<Object[]> topFireBrigades = fireFighterRepository.groupByFireBrigade();
        Map<String, BigInteger> topFireBrigadesMap = topFireBrigades.stream().collect(Collectors.toMap(
                a -> (String) fireBrigadeRepository.findById((int) a[1]).getName(), a -> (BigInteger) a[0]));
        Map<String, BigInteger> sortedTopFireBrigadesMap = MapUtil.sortByValue(topFireBrigadesMap);
        model.addAttribute("sortedTopFireBrigades", sortedTopFireBrigadesMap);

    } else if (!request.isUserInRole("ROLE_GLOBAL_ADMIN")
            && (request.isUserInRole("ROLE_ADMIN") || request.isUserInRole("ROLE_USER"))) {
        List<FireFighterModel> fireFighters = fireFighterRepository.findByFireBrigade(getSessionFireBrigade());
        model.addAttribute("fireFighters", fireFighters);
    }/*w  w w  .  j  ava 2 s  .  c om*/
    return "index";
}

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From source file:io.yields.math.framework.kpi.ExplorerJsonExporter.java

private List<StatDefinition> buildStatDefinitions(List<Stats> stats,
        Function<String, String> explanationProvider) {

    Optional<Stats> template = stats.stream().findAny();
    Map<String, StatDefinition> roots = new HashMap<>();
    if (template.isPresent()) {
        Stats statsTemplate = template.get();
        Map<String, DoubleSummaryStatistics> summaries = statsTemplate.getStatsNames().stream()
                .collect(Collectors.toMap(Function.identity(), name -> getStats(name, stats)));
        summaries.keySet().stream().forEach(name -> {
            String values[] = name.split("#");
            double refLevel = statsTemplate.getRefLevel(name);
            double min = summaries.get(name).getMin();
            double max = summaries.get(name).getMax();
            if (Math.abs(max - min) < 2 * EPS) {
                min -= EPS;/*from w  ww. ja v a  2s  .  c om*/
                max += EPS;
            }
            if (values.length == 1) {
                roots.put(name, new StatDefinition(null, name, explanationProvider.apply(name),
                        Math.min(refLevel, min), Math.max(max, refLevel), refLevel));
            } else {
                StatDefinition root = roots.get(values[0]);
                if (root == null) {
                    root = new StatDefinition(values[0]);
                    roots.put(root.getName(), root);
                }
                StatDefinition element = root;
                for (int i = 1; i < values.length; i++) {
                    element = DefinitionBuilder.addChild(element, new StatDefinition(element, values[i],
                            Math.min(refLevel, min), Math.max(max, refLevel), refLevel));
                }
                element.setDescription(explanationProvider.apply(name));
            }
        });
    }

    return new ArrayList<>(roots.values());
}

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From source file:fr.paris.lutece.portal.web.xsl.XslExportJspBeanTest.java

public void testDoCreateXslExportInvalidToken() throws AccessDeniedException, IOException {
    MockHttpServletRequest request = new MockHttpServletRequest();
    AdminUser user = new AdminUser();
    user.setRoles(/*from  ww w.  ja v  a2s .co  m*/
            AdminRoleHome.findAll().stream().collect(Collectors.toMap(AdminRole::getKey, Function.identity())));
    Utils.registerAdminUserWithRigth(request, user, XslExportJspBean.RIGHT_MANAGE_XSL_EXPORT);
    String randomName = getRandomName();
    Map<String, String[]> parameters = new HashMap<>();
    parameters.put("title", new String[] { randomName });
    parameters.put("description", new String[] { randomName });
    parameters.put("extension", new String[] { randomName });
    parameters.put(SecurityTokenService.PARAMETER_TOKEN, new String[] {
            SecurityTokenService.getInstance().getToken(request, "admin/xsl/create_xsl_export.html") + "b" });
    Map<String, List<FileItem>> multipartFiles = new HashMap<>();
    List<FileItem> fileItems = new ArrayList<>();
    FileItem item = new DiskFileItemFactory().createItem("id_file", "", false, "xsl");
    item.getOutputStream().write("<?xml version='1.0'?><a/>".getBytes());
    fileItems.add(item);
    multipartFiles.put("id_file", fileItems);

    _instance.init(request, XslExportJspBean.RIGHT_MANAGE_XSL_EXPORT);
    try {
        _instance.doCreateXslExport(new MultipartHttpServletRequest(request, multipartFiles, parameters));
        fail("Should have thrown");
    } catch (AccessDeniedException ade) {
        assertFalse(XslExportHome.getList().stream().anyMatch(e -> randomName.equals(e.getTitle())
                && randomName.equals(e.getDescription()) && randomName.equals(e.getExtension())));
    } finally {
        XslExportHome.getList().stream().filter(e -> randomName.equals(e.getTitle()))
                .forEach(e -> XslExportHome.remove(e.getIdXslExport()));
    }
}

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