Example usage for java.util Collection stream

Introduction

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

Prototype

default Stream<E> stream()

Source Link

Document

Returns a sequential Stream with this collection as its source.

Usage

From source file:org.hawkular.alerter.prometheus.PrometheusAlerter.java

private void initialRefresh() {
    try {/* ww  w.j  a v  a2 s. c  o  m*/
        Collection<Trigger> triggers = definitions.getAllTriggersByTag(ALERTER_ID, "*");
        triggers.stream().forEach(
                trigger -> activeTriggers.put(new TriggerKey(trigger.getTenantId(), trigger.getId()), trigger));
        update();
    } catch (Exception e) {
        log.error("Failed to fetch Triggers for external conditions.", e);
    }
}

From source file:simx.profiler.discovery.latency.LatencyReportTopComponent.java

@Override
public void resultChanged(LookupEvent le) {
    Collection<? extends LatencyReport> allSelectedTypes = result.allInstances();
    if (!allSelectedTypes.isEmpty()) {
        allSelectedTypes.stream().forEach((type) -> {
            this.setData(type);
        });/*from  w ww .  j a va 2  s  .  co  m*/
    } else {
        System.out.println("No selection");
    }
}

From source file:org.hawkular.alerter.elasticsearch.ElasticsearchAlerter.java

private void initialRefresh() {
    try {/* w  ww .j av  a2s  . c  o m*/
        Collection<Trigger> triggers = definitions.getAllTriggersByTag(ALERTER_NAME, "*");
        triggers.stream().forEach(
                trigger -> activeTriggers.put(new TriggerKey(trigger.getTenantId(), trigger.getId()), trigger));
        update();
    } catch (Exception e) {
        log.error("Failed to fetch Triggers for external conditions.", e);
    }
}

From source file:org.kie.appformer.ala.wildfly.executor.AppFormerProvisioningHelper.java

public DataSourceDef findDataSourceDef(String uuid) {
    Collection<DataSourceDefInfo> defInfoList = dataSourceDefQueryService.findGlobalDataSources(false);
    Optional<DataSourceDefInfo> defInfo = defInfoList.stream()
            .filter(_defInfo -> uuid.equals(_defInfo.getUuid())).findFirst();
    if (defInfo.isPresent()) {
        DataSourceDefEditorContent content = dataSourceDefEditorService.loadContent(defInfo.get().getPath());
        return content != null ? content.getDef() : null;
    } else {/*from  w  w w.  j a v  a  2  s.com*/
        return null;
    }
}

From source file:com._4dconcept.springframework.data.marklogic.core.query.QueryBuilder.java

@Nullable
private Criteria buildCriteria(MarklogicPersistentProperty property, Object value) {
    Optional<? extends TypeInformation<?>> typeInformation = StreamSupport
            .stream(property.getPersistentEntityTypes().spliterator(), false).findFirst();
    if (typeInformation.isPresent()) {
        MarklogicPersistentEntity<?> nestedEntity = mappingContext.getPersistentEntity(typeInformation.get());
        return nestedEntity != null ? buildCriteria(value, nestedEntity) : null;
    } else {//from ww  w . ja  v a  2s  . com
        Criteria criteria = new Criteria();

        if (value instanceof Collection) {
            criteria.setOperator(Criteria.Operator.or);
            Collection<?> collection = (Collection<?>) value;
            criteria.setCriteriaObject(
                    collection.stream().map(o -> buildCriteria(property, o)).collect(Collectors.toList()));
        } else {
            criteria.setQname(property.getQName());
            criteria.setCriteriaObject(value);
        }

        return criteria;
    }
}

From source file:com.yahoo.elide.parsers.state.RelationshipTerminalState.java

private boolean delete(Data<Resource> data, RequestScope requestScope) {
    if (data == null) {
        throw new InvalidEntityBodyException("Expected data but received null");
    }/* w ww  . j av a2  s. c  o m*/

    Collection<Resource> resources = data.get();
    if (resources == null || resources.isEmpty()) {
        // As per: http://jsonapi.org/format/#crud-updating-relationship-responses-403
        throw new ForbiddenAccessException("Unknown update");
    }
    resources.stream().forEachOrdered(
            resource -> record.removeRelation(relationshipName, resource.toPersistentResource(requestScope)));
    return true;
}

From source file:com.netflix.spinnaker.clouddriver.kubernetes.v2.caching.agent.KubernetesV2OnDemandCachingAgent.java

@Override
public Collection<Map> pendingOnDemandRequests(ProviderCache providerCache) {
    Collection<String> keys = providerCache.getIdentifiers(ON_DEMAND_TYPE);
    List<Keys.InfrastructureCacheKey> infraKeys = keys.stream().map(Keys::parseKey)
            .flatMap(o -> o.map(Stream::of).orElseGet(Stream::empty))
            .filter(k -> k instanceof Keys.InfrastructureCacheKey).map(i -> (Keys.InfrastructureCacheKey) i)
            .collect(Collectors.toList());

    List<String> matchingKeys = infraKeys.stream()
            .filter(i -> i.getAccount().equals(getAccountName()) && (StringUtils.isEmpty(i.getNamespace()))
                    || namespaces.contains(i.getNamespace()) && primaryKinds().contains(i.getKubernetesKind()))
            .map(Keys.InfrastructureCacheKey::toString).collect(Collectors.toList());

    return providerCache.getAll(ON_DEMAND_TYPE, matchingKeys).stream().map(cd -> {
        Keys.InfrastructureCacheKey parsedKey = (Keys.InfrastructureCacheKey) Keys.parseKey(cd.getId()).get();
        Map<String, String> details = mapKeyToOnDemandResult(parsedKey);
        Map<String, Object> attributes = cd.getAttributes();
        return new ImmutableMap.Builder<String, Object>().put(DETAILS_KEY, details)
                .put(MONIKER_KEY, attributes.get(MONIKER_KEY))
                .put(CACHE_TIME_KEY, attributes.get(CACHE_TIME_KEY))
                .put(PROCESSED_COUNT_KEY, attributes.get(PROCESSED_COUNT_KEY))
                .put(PROCESSED_TIME_KEY, attributes.get(PROCESSED_TIME_KEY)).build();
    }).collect(Collectors.toList());
}

From source file:io.gravitee.management.service.impl.PageServiceImpl.java

private void reorderAndSavePages(final Page pageToReorder) throws TechnicalException {
    final Collection<Page> pages = pageRepository.findByApi(pageToReorder.getApi());
    final List<Boolean> increment = asList(true);
    pages.stream().sorted((o1, o2) -> Integer.compare(o1.getOrder(), o2.getOrder())).forEachOrdered(page -> {
        try {//from ww  w .j a va 2s  . c  o m
            if (page.equals(pageToReorder)) {
                increment.set(0, false);
                page.setOrder(pageToReorder.getOrder());
            } else {
                final int newOrder;
                final Boolean isIncrement = increment.get(0);
                if (page.getOrder() < pageToReorder.getOrder()) {
                    newOrder = page.getOrder() - (isIncrement ? 0 : 1);
                } else if (page.getOrder() > pageToReorder.getOrder()) {
                    newOrder = page.getOrder() + (isIncrement ? 1 : 0);
                } else {
                    newOrder = page.getOrder() + (isIncrement ? 1 : -1);
                }
                page.setOrder(newOrder);
            }
            pageRepository.update(page);
        } catch (final TechnicalException ex) {
            throw onUpdateFail(page.getId(), ex);
        }
    });
}

From source file:com.openshift.internal.restclient.model.v1.ReplicationControllerTest.java

@Test
public void testEnvironmentVariable() {
    //add/*from   w  w  w .jav  a2  s.c om*/
    rc.setEnvironmentVariable("foo", "bar");
    Collection<IEnvironmentVariable> envVars = rc.getEnvironmentVariables();
    Optional<IEnvironmentVariable> envVar = envVars.stream().filter(e -> "foo".equals(e.getName())).findFirst();
    assertTrue("Exp. to find env var", envVar.isPresent());
    assertEquals("bar", envVar.get().getValue());

    //update
    int size = rc.getEnvironmentVariables().size();
    rc.setEnvironmentVariable("foo", "baz");
    assertEquals(size, rc.getEnvironmentVariables().size());
    envVars = rc.getEnvironmentVariables();
    envVar = envVars.stream().filter(e -> "foo".equals(e.getName())).findFirst();
    assertEquals("baz", envVar.get().getValue());

    rc.removeEnvironmentVariable("foo");
    assertEquals(size - 1, rc.getEnvironmentVariables().size());
}

From source file:ch.wisv.areafiftylan.teams.service.TeamServiceImpl.java

private List<TeamInviteResponse> teamInviteTokensToReponses(Collection<TeamInviteToken> inviteTokens) {
    // From all Tokens that exist in the database linked to the user, only display the valid ones. Change
    // them to TeamInviteResponses for display in the authentication.
    return inviteTokens
            .stream().filter(Token::isValid).map(t -> new TeamInviteResponse(t.getTeam().getId(),
                    t.getTeam().getTeamName(), t.getToken(), t.getUser().getUsername()))
            .collect(Collectors.toList());
}