Example usage for java.util Collection stream

List of usage examples for java.util Collection stream

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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:com.ikanow.aleph2.storm.samples.topology.JavaScriptTopology2.java

@Override
public Tuple2<Object, Map<String, String>> getTopologyAndConfiguration(DataBucketBean bucket,
        IEnrichmentModuleContext context) {
    TopologyBuilder builder = new TopologyBuilder();

    String contextSignature = context.getEnrichmentContextSignature(Optional.of(bucket), Optional.empty());

    builder.setSpout("timer", new TimerSpout(3000L));
    JavaScriptProviderBean providerBean = BeanTemplateUtils
            .from(bucket.streaming_enrichment_topology().config(), JavaScriptProviderBean.class).get();
    if (providerBean == null) {
        providerBean = new JavaScriptProviderBean();
    }/*from w ww .  ja v a 2  s  .  c  om*/
    if (null == providerBean.getGlobalScript()) {
        providerBean.setGlobalScript(
                new PropertyBasedScriptProvider("/com/ikanow/aleph2/storm/samples/script/js/scripts.properties")
                        .getGlobalScript());
    }
    BeanBasedScriptProvider mapperScriptProvider = new BeanBasedScriptProvider(providerBean);
    BeanBasedScriptProvider folderScriptProvider = new BeanBasedScriptProvider(providerBean);

    final Collection<Tuple2<BaseRichSpout, String>> entry_points = context
            .getTopologyEntryPoints(BaseRichSpout.class, Optional.of(bucket));
    entry_points.forEach(spout_name -> builder.setSpout(spout_name._2(), spout_name._1()));
    entry_points.stream().reduce(
            builder.setBolt("mapperBolt", new JavaScriptMapperBolt(contextSignature, mapperScriptProvider)),
            (acc, v) -> acc.shuffleGrouping(v._2()), (acc1, acc2) -> acc1 // (not possible in practice)
    );
    builder.setBolt("folderBolt", new JavaScriptFolderBolt(contextSignature, folderScriptProvider))
            .shuffleGrouping("mapperBolt").shuffleGrouping("timer");
    builder.setBolt("out", context.getTopologyStorageEndpoint(BaseRichBolt.class, Optional.of(bucket)))
            .localOrShuffleGrouping("folderBolt");
    return new Tuple2<Object, Map<String, String>>(builder.createTopology(), new HashMap<String, String>());
}

From source file:cc.kave.commons.pointsto.evaluation.events.MRREvaluation.java

private Set<ICoReTypeName> getQueryTypes(Collection<Map<ICompletionEvent, List<Usage>>> eventUsages) {
    List<ICoReTypeName> types = new ArrayList<>(eventUsages.stream().flatMap(eu -> eu.values().stream())
            .flatMap(u -> u.stream()).map(u -> u.getType()).collect(Collectors.toSet()));
    types.sort(new TypeNameComparator());
    return Sets.newLinkedHashSet(types);
}

From source file:org.trustedanalytics.servicecatalog.service.rest.ServicesController.java

public boolean canDeleteOffering(UUID serviceGuid) {
    final FilterQuery filter = FilterQuery.from(Filter.SERVICE_PLAN_GUID, FilterOperator.EQ, serviceGuid);
    boolean isPublic = privilegedClient.getExtendedServicePlans(serviceGuid)
            .exists(plan -> plan.getEntity().getPublicStatus()).toBlocking().single();

    boolean inAnotherOrg = privilegedClient.getExtendedServicePlanVisibility(filter)
            .distinct(visibility -> visibility.getEntity().getOrgGuid()).count().toBlocking().single() > 1;

    if (!isPublic && !inAnotherOrg) {
        return true;
    }/*from w ww . j  a va2 s .c  o m*/

    Authentication auth = SecurityContextHolder.getContext().getAuthentication();
    Collection<? extends GrantedAuthority> authorities = Optional.ofNullable(auth.getAuthorities())
            .orElse(new ArrayList<>());
    return authorities.stream().map(GrantedAuthority::getAuthority).anyMatch(ADMIN_ROLE::equalsIgnoreCase);
}

From source file:com.siemens.sw360.vulnerabilities.db.VulnerabilityDatabaseHandler.java

public <T extends TBase> RequestStatus update(Collection<T> elements) {
    if (elements != null && elements.size() > 0) {
        return elements.stream().map(this::update).reduce(RequestStatus.SUCCESS, (r1, r2) -> {
            if (r1 == RequestStatus.SUCCESS && r2 == RequestStatus.SUCCESS) {
                return RequestStatus.SUCCESS;
            } else {
                return RequestStatus.FAILURE;
            }/*from   w  w w  .j ava2 s  .  com*/
        });
    }
    return RequestStatus.SUCCESS;
}

From source file:ch.sdi.report.SdiReporter.java

/**
 * @param aResult//from   ww  w .ja  v a 2 s  .  c  om
 * @param aProcessed
 */
private void appendProcessedPersons(StringBuilder aSb, Collection<ReportMsg> aProcessed) {
    appendTitle(aSb, "Processed Persons", "-");

    aProcessed.stream()
            .filter(msg -> (msg.getKey().equals("ProcessedPersons")) && msg.getValue() instanceof Collection)
            .map(msg -> Collection.class.cast(msg.getValue())).forEach(list -> appendPersonList(aSb, list));

    aSb.append("\n");
    appendTitle(aSb, "Persons already in target platform (duplicate)", "-");

    aProcessed.stream()
            .filter(msg -> (msg.getKey().equals("DuplicatePersons")) && msg.getValue() instanceof Collection)
            .map(msg -> Collection.class.cast(msg.getValue())).forEach(list -> appendPersonList(aSb, list));

}

From source file:io.github.moosbusch.lumpi.gui.form.editor.io.spi.ListButtonStoreValueDelegate.java

@SuppressWarnings("unchecked")
@Override//from w w  w  . j av  a 2 s.c o  m
public void storeValue(Object context) {
    if (context != null) {
        ListButton listButton = getFormEditor().getComponent();
        String propertyName = listButton.getListDataKey();
        ListView.ListDataBindMapping bindMapping = listButton.getListDataBindMapping();
        Object newPropertyValue = bindMapping.valueOf(listButton.getListData());

        if (PropertyUtils.isWriteable(context, propertyName)) {
            listButton.store(context);
        } else {
            Object oldPropertyValue = null;

            try {
                oldPropertyValue = PropertyUtils.getProperty(context, propertyName);
            } catch (IllegalAccessException | InvocationTargetException | NoSuchMethodException ex) {
                Logger.getLogger(AbstractDynamicForm.class.getName()).log(Level.SEVERE, null, ex);
            } finally {
                if ((newPropertyValue != null) && (oldPropertyValue != null)) {
                    if ((newPropertyValue instanceof java.util.Collection)
                            && (oldPropertyValue instanceof java.util.Collection)) {
                        java.util.Collection<Object> newColl = (java.util.Collection<Object>) newPropertyValue;
                        java.util.Collection<Object> oldColl = (java.util.Collection<Object>) oldPropertyValue;

                        newColl.stream().filter((obj) -> (!oldColl.contains(obj))).forEach((obj) -> {
                            oldColl.add(obj);
                        });
                    } else if ((newPropertyValue instanceof Sequence)
                            && (oldPropertyValue instanceof Sequence)) {
                        Sequence<Object> newSeq = (Sequence<Object>) newPropertyValue;
                        Sequence<Object> oldSeq = (Sequence<Object>) oldPropertyValue;

                        for (int cnt = 0; cnt < newSeq.getLength(); cnt++) {
                            Object obj = newSeq.get(cnt);

                            if (oldSeq.indexOf(obj) == -1) {
                                oldSeq.add(obj);
                            }
                        }
                    } else if ((newPropertyValue instanceof org.apache.pivot.collections.Set)
                            && (oldPropertyValue instanceof org.apache.pivot.collections.Set)) {
                        org.apache.pivot.collections.Set<Object> newColl = (org.apache.pivot.collections.Set<Object>) newPropertyValue;
                        org.apache.pivot.collections.Set<Object> oldColl = (org.apache.pivot.collections.Set<Object>) oldPropertyValue;

                        for (Object obj : newColl) {
                            if (!oldColl.contains(obj)) {
                                oldColl.add(obj);
                            }
                        }
                    } else if ((ObjectUtils.isArray(newPropertyValue))
                            && (ObjectUtils.isArray(oldPropertyValue))) {
                        Object[] newArray = (Object[]) newPropertyValue;
                        Object[] oldArray = (Object[]) oldPropertyValue;

                        for (Object obj : newArray) {
                            if (!ArrayUtils.contains(oldArray, obj)) {
                                oldArray = ArrayUtils.add(oldArray, obj);
                            }
                        }
                    }
                }
            }
        }
    }
}

From source file:com.ejisto.modules.dao.local.LocalMockedFieldsDao.java

@Override
public List<MockedField> loadByContextPathAndClassName(String contextPath, String className) {
    Collection<MockedFieldContainer> fields = getMockedFieldsByClassName(contextPath, className);
    if (CollectionUtils.isEmpty(fields)) {
        return Collections.emptyList();
    }//ww w. ja v  a  2 s .  c  om
    return fields.stream().map(new MockedFieldExtractor()).collect(toList());
}

From source file:com.thinkbiganalytics.metadata.jobrepo.nifi.provenance.NifiBulletinExceptionExtractor.java

/**
 * queries for bulletins from component, in the flow file
 *
 * @param flowFileIds The collection UUID of the flow file to extract the error message from
 * @return a list of bulletin objects that were posted by the component to the flow file
 * @throws NifiConnectionException if cannot query Nifi
 *///from www  .j  a v  a2  s  . c  o m
public List<BulletinDTO> getErrorBulletinsForFlowFiles(Collection<String> flowFileIds, Long afterId)
        throws NifiConnectionException {
    List<BulletinDTO> bulletins;
    try {
        String regexPattern = flowFileIds.stream().collect(Collectors.joining("|"));
        if (afterId != null && afterId != -1L) {
            bulletins = nifiRestClient.getBulletinsMatchingMessage(regexPattern, afterId);
        } else {
            bulletins = nifiRestClient.getBulletinsMatchingMessage(regexPattern);
        }
        log.info("Query for {} bulletins returned {} results ", regexPattern, bulletins.size());
        if (bulletins != null && !bulletins.isEmpty()) {
            bulletins = bulletins.stream()
                    .filter(bulletinDTO -> bulletinErrorLevels.contains(bulletinDTO.getLevel().toUpperCase()))
                    .collect(Collectors.toList());
        }

        return bulletins;
    } catch (NifiClientRuntimeException e) {
        if (e instanceof NifiConnectionException) {
            throw e;
        } else {
            log.error("Error getProcessorBulletinsForFlowFiles {}, {}", flowFileIds, e.getMessage());
        }
    }
    return null;
}

From source file:it.publisys.ims.discovery.job.EntityTasks.java

private List<File> loadMetadataXml(File dir) {
    Collection<File> filesAndDirs = FileUtils.listFilesAndDirs(dir, FileFilterUtils.suffixFileFilter(".xml"),
            FileFilterUtils.suffixFileFilter("-guard"));

    return filesAndDirs.stream().filter(File::isFile).collect(Collectors.toList());
}

From source file:com.spankingrpgs.scarletmoon.loader.EventLoader.java

@Override
public void load(Collection<String> eventData, GameState state) {
    eventData.stream().forEach(datum -> loadEvent(datum, state));
}