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:org.openlmis.fulfillment.web.util.BasicOrderDtoBuilder.java

private Map<UUID, UserDto> getUsers(List<Order> orders) {
    Set<UUID> userIds = orders.stream().map(Order::getCreatedById).collect(Collectors.toSet());
    return userReferenceDataService.findByIds(userIds).stream()
            .collect(Collectors.toMap(BaseDto::getId, Function.identity()));
}

From source file:com.baifendian.swordfish.dao.model.ProjectFlow.java

public Map<String, String> getUserDefinedParamMap() {
    List<Property> propList;

    if (userDefinedParamMap == null && StringUtils.isNotEmpty(userDefinedParams)) {
        propList = JsonUtil.parseObjectList(userDefinedParams, Property.class);
        userDefinedParamMap = propList.stream()
                .collect(Collectors.toMap(Property::getProp, Property::getValue));
    }/*from w w w  .j  a  va  2s  .c o m*/

    return userDefinedParamMap;
}

From source file:com.netflix.spinnaker.clouddriver.kubernetes.v2.op.handler.KubernetesStatefulSetHandler.java

@Override
public void addRelationships(Map<KubernetesKind, List<KubernetesManifest>> allResources,
        Map<KubernetesManifest, List<KubernetesManifest>> relationshipMap) {
    BiFunction<String, String, String> manifestName = (namespace, name) -> namespace + ":" + name;

    Map<String, KubernetesManifest> services = allResources.getOrDefault(SERVICE, new ArrayList<>()).stream()
            .collect(Collectors.toMap((m) -> manifestName.apply(m.getNamespace(), m.getName()), (m) -> m));

    for (KubernetesManifest manifest : allResources.getOrDefault(STATEFUL_SET, new ArrayList<>())) {
        String serviceName = KubernetesStatefulSetHandler.serviceName(manifest);
        if (StringUtils.isEmpty(serviceName)) {
            continue;
        }/*from  w  ww.jav  a2  s. c o m*/

        String key = manifestName.apply(manifest.getNamespace(), serviceName);

        if (!services.containsKey(key)) {
            continue;
        }

        KubernetesManifest service = services.get(key);
        relationshipMap.put(manifest, Collections.singletonList(service));
    }
}

From source file:com.epam.reportportal.auth.OAuthConfigurationEndpoint.java

/**
 * Returns oauth integration settings//  w  ww .  j a va  2  s.  c o  m
 *
 * @param profileId settings ProfileID
 * @return All defined OAuth integration settings
 */
@RequestMapping(value = "/", method = { GET })
@ResponseBody
@ResponseStatus(HttpStatus.OK)
@ApiOperation(value = "Returns OAuth Server Settings", notes = "'default' profile is using till additional UI implementations")
public Map<String, OAuthDetailsResource> getOAuthSettings(@PathVariable String profileId) {

    ServerSettings settings = repository.findOne(profileId);
    BusinessRule.expect(settings, Predicates.notNull()).verify(ErrorType.SERVER_SETTINGS_NOT_FOUND, profileId);

    return Optional.ofNullable(settings.getoAuth2LoginDetails())
            .map(details -> details.entrySet().stream()
                    .collect(Collectors.toMap(Map.Entry::getKey,
                            e -> OAuthDetailsConverters.TO_RESOURCE.apply(e.getValue()))))
            .orElseThrow(() -> new ReportPortalException(ErrorType.OAUTH_INTEGRATION_NOT_FOUND));

}

From source file:com.haulmont.cuba.core.sys.dbupdate.ScriptScanner.java

protected Map<String, ScriptResource> findResourcesByUrlPattern(ResourcePatternResolver resourceResolver,
        String urlPattern) throws IOException {
    try {//from   w w  w .  j ava  2s  .  c o m
        return Arrays.stream(resourceResolver.getResources(urlPattern)).map(ScriptResource::new)
                .collect(Collectors.toMap(ScriptResource::getName, Function.identity()));
    } catch (FileNotFoundException e) {
        //just return empty map
        return Collections.emptyMap();
    }
}

From source file:com.thinkbiganalytics.feedmgr.sla.DefaultServiceLevelAgreementService.java

@Override
public List<com.thinkbiganalytics.metadata.rest.model.sla.FeedServiceLevelAgreement> getServiceLevelAgreements() {

    accessController.checkPermission(AccessController.SERVICES,
            FeedServicesAccessControl.ACCESS_SERVICE_LEVEL_AGREEMENTS);
    //find all as a Service account
    List<com.thinkbiganalytics.metadata.rest.model.sla.FeedServiceLevelAgreement> agreementsList = this.metadataAccess
            .read(() -> {/*from w w w .j a  va  2  s  . co  m*/
                List<com.thinkbiganalytics.metadata.api.sla.FeedServiceLevelAgreement> agreements = feedSlaProvider
                        .findAllAgreements();
                if (agreements != null) {
                    return serviceLevelAgreementTransform.transformFeedServiceLevelAgreements(agreements);
                }

                return new ArrayList<>(0);
            }, MetadataAccess.SERVICE);

    if (accessController.isEntityAccessControlled()) {

        Map<String, com.thinkbiganalytics.metadata.rest.model.sla.FeedServiceLevelAgreement> serviceLevelAgreementMap = agreementsList
                .stream()
                .collect(Collectors.toMap(
                        com.thinkbiganalytics.metadata.rest.model.sla.FeedServiceLevelAgreement::getId,
                        Function.identity()));
        //filter out those feeds user doesnt have access to
        List<com.thinkbiganalytics.metadata.rest.model.sla.FeedServiceLevelAgreement> entityAccessControlledSlas = this.metadataAccess
                .read(() -> {
                    List<com.thinkbiganalytics.metadata.api.sla.FeedServiceLevelAgreement> agreements = feedSlaProvider
                            .findAllAgreements();
                    if (agreements != null) {
                        List<com.thinkbiganalytics.metadata.rest.model.sla.FeedServiceLevelAgreement> serviceLevelAgreements = serviceLevelAgreementTransform
                                .transformFeedServiceLevelAgreements(agreements);
                        return serviceLevelAgreements.stream()
                                .filter(agreement -> serviceLevelAgreementMap.get(agreement.getId())
                                        .getFeedsCount() == agreement.getFeedsCount())
                                .collect(Collectors.toList());
                    }
                    return new ArrayList<>(0);
                });

        return entityAccessControlledSlas;
    } else {
        return agreementsList;
    }

}

From source file:io.syndesis.dao.DeploymentDescriptorTest.java

@Test
public void thereShouldBeNoDuplicateMavenCoordinates() {
    final Map<String, Long> coordinatesWithCount = StreamSupport.stream(deployment.spliterator(), true)
            .filter(data -> "connector".equals(data.get("kind").asText()))
            .flatMap(/*from   ww w .java  2s .  c  o m*/
                    connector -> StreamSupport.stream(connector.get("data").get("actions").spliterator(), true))
            .map(action -> action.get("camelConnectorGAV").asText())
            .collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));

    final Map<String, Long> multipleCoordinates = coordinatesWithCount.entrySet().stream()
            .filter(e -> e.getValue() > 1).collect(Collectors.toMap(Entry::getKey, Entry::getValue));

    assertThat(multipleCoordinates).as("Expected connector GAV coordinates to be unique").isEmpty();
}

From source file:com.twosigma.beakerx.kernel.magic.command.MavenJarResolver.java

private Map<String, Path> jarsFromRepo() {
    try {//from   www  . j ava 2 s .  co  m
        List<Path> collect = Files.list(Paths.get(pathToMavenRepo)).collect(Collectors.toList());
        return collect.stream().collect(Collectors.toMap(x -> x.getFileName().toString(), x -> x));
    } catch (IOException e) {
        throw new RuntimeException(e);
    }
}

From source file:alfio.repository.TicketFieldRepository.java

default Map<String, TicketFieldValue> findAllByTicketIdGroupedByName(int id) {
    return findAllByTicketId(id).stream()
            .collect(Collectors.toMap(TicketFieldValue::getName, Function.identity()));
}