Example usage for java.util.stream Collectors toMap

List of usage examples for java.util.stream Collectors toMap

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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:cd.go.contrib.elasticagents.dockerswarm.elasticagent.DockerSecrets.java

public List<SecretBind> toSecretBind(List<Secret> secrets) {
    final Map<String, Secret> secretMap = secrets.stream()
            .collect(Collectors.toMap(o -> o.secretSpec().name(), o -> o));
    final List<SecretBind> secretBinds = new ArrayList<>();

    for (DockerSecret dockerSecret : this) {
        final Secret secret = secretMap.get(dockerSecret.src);

        if (secret == null) {
            throw new RuntimeException(format("Secret with name `{0}` does not exist.", dockerSecret.name()));
        }//from  www  .  j  a va2 s.  com

        LOG.debug(format("Using secret `{0}` with id `{1}`.", dockerSecret.name(), secret.id()));
        final SecretFile secretFile = SecretFile.builder().name(dockerSecret.file()).uid(dockerSecret.uid())
                .gid(dockerSecret.gid()).mode(dockerSecret.mode()).build();

        secretBinds.add(SecretBind.builder().secretId(secret.id()).secretName(dockerSecret.name())
                .file(secretFile).build());
    }

    return secretBinds;
}

From source file:com.github.xdcrafts.flower.spring.impl.MiddlewareDefinition.java

@Override
public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
    final Map<String, List<Middleware>> groupedInjections = this.rawDefinition.entrySet().stream()
            .flatMap(e -> {//from   w  w  w  . j a  va 2 s . c om
                final List<Middleware> middleware = split(e.getValue()).stream()
                        .map(name -> applicationContext.getBean(name, Middleware.class))
                        .collect(Collectors.toList());
                return split(e.getKey()).stream().map(name -> new AbstractMap.SimpleEntry<>(name, middleware));
            }).collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
    this.definition = namespace == null || namespace.isEmpty() ? groupedInjections
            : groupedInjections.entrySet().stream()
                    .map(e -> new AbstractMap.SimpleEntry<>(namespace + "." + e.getKey(), e.getValue()))
                    .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
}

From source file:edu.washington.gs.skyline.model.quantification.QuantificationTest.java

public void testNoNormalization() throws Exception {
    List<InputRecord> allInputRecords = readInputRecords("NoNormalizationInput.csv");
    allInputRecords = filterRecords(NormalizationMethod.NONE, allInputRecords);
    Map<RecordKey, Double> expected = readExpectedRows("NoNormalizationExpected.csv");
    for (Map.Entry<RecordKey, Double> entry : expected.entrySet()) {
        List<InputRecord> peptideRecords = allInputRecords.stream()
                .filter(record -> record.getRecordKey().getPeptideKey().equals(entry.getKey().getPeptideKey()))
                .collect(Collectors.toList());
        TransitionKeys allTransitionKeys = TransitionKeys
                .of(peptideRecords.stream().map(InputRecord::getTransitionKey).collect(Collectors.toSet()));
        List<InputRecord> replicateRecords = allInputRecords.stream()
                .filter(record -> record.getRecordKey().equals(entry.getKey())).collect(Collectors.toList());
        Map<String, Double> areaMap = replicateRecords.stream()
                .collect(Collectors.toMap(InputRecord::getTransitionKey, InputRecord::getArea));
        TransitionAreas transitionAreas = TransitionAreas.fromMap(areaMap);
        assertCloseEnough(entry.getValue(), transitionAreas.totalArea(allTransitionKeys));
    }/*from w  w w .  ja  v a2s .  com*/
}

From source file:com.netflix.spinnaker.fiat.roles.file.FileBasedUserRolesProvider.java

@Override
public Map<String, Collection<Role>> multiLoadRoles(Collection<String> userIds) {
    try {/*w ww .  j a  va  2 s. co  m*/
        return parse().entrySet().stream().filter(e -> userIds.contains(e.getKey()))
                .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue));
    } catch (IOException io) {
        log.error("Couldn't mulitLoad roles from file", io);
    }
    return Collections.emptyMap();
}

From source file:nu.yona.server.goals.service.ActivityCategoryDto.java

private static Map<String, String> mapToStringMap(Map<Locale, String> localeMap) {
    return localeMap.entrySet().stream()
            .collect(Collectors.toMap(e -> e.getKey().toLanguageTag(), Map.Entry::getValue));
}

From source file:org.trustedanalytics.ingestion.kafka2hdfs.config.KafkaConfiguration.java

@Bean
public Map<String, KafkaStream<byte[], byte[]>> kafkaStreams(ConsumerConnector consumer) {
    Map<String, Integer> topicsCountMap = trackedTopics().stream()
            .collect(Collectors.toMap(topic -> topic, topic -> 1));
    Map<String, List<KafkaStream<byte[], byte[]>>> kafkaStreams = consumer.createMessageStreams(topicsCountMap);
    return kafkaStreams.keySet().stream()
            .collect(Collectors.toMap(topic -> topic, topic -> kafkaStreams.get(topic).get(0)));
}

From source file:com.ethercamp.harmony.service.JsonRpcUsageService.java

private void init(int port) {
    final String serverUrl = "http://localhost:" + port + AppConst.JSON_RPC_PATH;

    /**//from  ww w.ja  va 2 s  .com
     * Load conf file with curl examples per each JSON-RPC method.
     */
    Config config = ConfigFactory.load("json-rpc-help");
    if (config.hasPath("doc.curlExamples")) {

        Map<String, String> curlExamples = config.getAnyRefList("doc.curlExamples").stream()
                .map(e -> (HashMap<String, String>) e).collect(Collectors.toMap(e -> e.get("method"),
                        e -> e.get("curl").replace("${host}", serverUrl)));

        /**
         * Initialize empty stats for all methods.
         */
        Arrays.stream(jsonRpc.ethj_listAvailableMethods()).forEach(line -> {
            final String methodName = line.split(" ")[0];
            String curlExample = curlExamples.get(methodName);
            if (curlExample == null) {
                curlExample = generateCurlExample(line) + " " + serverUrl;
                //                            log.debug("Generate curl example for JSON-RPC method: " + methodName);
            }
            stats.put(methodName, new CallStats(methodName, 0l, null, curlExample));
        });
    }
}

From source file:com.epam.ta.reportportal.core.dashboard.impl.DeleteDashboardHandler.java

@Override
public OperationCompletionRS deleteDashboard(String dashboardId, String userName, String projectName) {

    Dashboard dashboard = dashboardRepository.findOne(dashboardId);

    BusinessRule.expect(dashboard, Predicates.notNull()).verify(ErrorType.DASHBOARD_NOT_FOUND, dashboardId);

    final List<Project> userProjects = projectRepository.findUserProjects(userName);
    Map<String, ProjectRole> roles = userProjects.stream()
            .collect(Collectors.toMap(Project::getName, p -> p.getUsers().get(userName).getProjectRole()));

    AclUtils.isAllowedToEdit(dashboard.getAcl(), userName, roles, dashboard.getName());

    BusinessRule.expect(dashboard.getProjectName(), Predicates.equalTo(projectName))
            .verify(ErrorType.ACCESS_DENIED);

    try {/*  w w w .j  a  va2 s .c o m*/
        dashboardRepository.delete(dashboardId);
    } catch (Exception e) {
        throw new ReportPortalException("Error during deleting dashboard item", e);
    }
    OperationCompletionRS response = new OperationCompletionRS();
    StringBuilder msg = new StringBuilder("Dashboard with ID = '");
    msg.append(dashboardId);
    msg.append("' successfully deleted.");
    response.setResultMessage(msg.toString());

    return response;
}

From source file:com.formkiq.core.form.bean.FormFieldMapper.java

/**
 * Transform {@link FormJSON} to a Map of {@link FormJSONField}.
 * @param form {@link FormJSON}//  w  w  w.  j  a  va 2 s .  c  om
 * @return {@link Map}
 */
public static Map<String, FormJSONField> transformToIdMap(final FormJSON form) {
    return form.getSections().stream().flatMap(s -> s.getFields().stream())
            .collect(Collectors.toMap(f -> "" + f.getId(), f -> f));
}

From source file:com.adobe.acs.commons.data.Spreadsheet.java

/**
 * Simple constructor used for unit testing purposes
 *
 * @param convertHeaderNames If true, header names are converted
 * @param headerArray List of strings for header columns
 *///from ww w  .  j  a  v a2 s .  c  o  m
public Spreadsheet(boolean convertHeaderNames, String... headerArray) {
    this.enableHeaderNameConversion = convertHeaderNames;
    headerTypes = Arrays.stream(headerArray)
            .collect(Collectors.toMap(this::convertHeaderName, this::detectTypeFromName));
    headerRow = Arrays.asList(headerArray);
    requiredColumns = Collections.EMPTY_LIST;
    dataRows = new ArrayList<>();
    delimiters = new HashMap<>();
}