Example usage for java.util.stream Collectors toList

Introduction

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

Prototype

public static <T> Collector<T, ?, List<T>> toList()

Source Link

Document

Returns a Collector that accumulates the input elements into a new List .

Usage

From source file:de.msg.repository.RouteRepositoryImpl.java

@Override
public Iterable<Route> findByDeparture(String departure) {
    return StreamSupport.stream(driver.getRouteList().spliterator(), false).filter(new Predicate<Route>() {
        @Override/*from   w  ww. ja va  2s  .c  om*/
        public boolean test(Route route) {
            return route.getDeparture().equals(departure);
        }
    }).collect(Collectors.toList());
}

From source file:com.github.horrorho.inflatabledonkey.cloudkitty.operations.ZoneRetrieveRequestOperations.java

static List<RequestOperation> operations(Collection<String> zones, String cloudKitUserId) {
    return zones.stream().map(u -> operation(u, cloudKitUserId)).collect(Collectors.toList());
}

From source file:com.intuit.quickbase.MergeStatService.java

public void retrieveCountryPopulationList() {

    DBStatService dbStatService = new DBStatService();
    List<Pair<String, Integer>> dbList = dbStatService.GetCountryPopulations();

    ConcreteStatService conStatService = new ConcreteStatService();
    List<Pair<String, Integer>> apiList = conStatService.GetCountryPopulations();

    //Use of Predicate Interface
    Predicate<Pair<String, Integer>> pred = (pair) -> pair != null;

    if (apiList != null) {
        // Converting the keys of each element in the API list to lowercase
        List<Pair<String, Integer>> modifiedAPIList = apiList.stream().filter(pred)
                .map(p -> new ImmutablePair<String, Integer>(p.getKey().toLowerCase(), p.getValue()))
                .collect(Collectors.toList());
        //modifiedAPIList.forEach(pair -> System.out.println("key: " + pair.getLeft() + ": value: " + pair.getRight()));                      

        if (dbList != null) {
            // Merge two list and remove duplicates
            Collection<Pair<String, Integer>> result = Stream.concat(dbList.stream(), modifiedAPIList.stream())
                    .filter(pred)//from  w  w w  .  j  av  a 2 s  .  co  m
                    .collect(Collectors.toMap(Pair::getLeft, p -> p, (p, q) -> p, LinkedHashMap::new)).values();

            // Need to Convert collection to List
            List<Pair<String, Integer>> merge = new ArrayList<>(result);
            merge.forEach(pair -> System.out.println("key: " + pair.getKey() + ": value: " + pair.getValue()));

        } else {
            System.out.println("Country list retrieved form database is empty");
        }
    } else {
        System.out.println("Country list retrieved form API is empty");
    }

    //            if(apiList != null) {
    //                Iterator itr = apiList.iterator();
    //                for(Pair<String, Integer> pair : apiList){                    
    //                    //System.out.println("key: " + pair.getLeft() + ": value: " + pair.getRight());
    //                }                
    //            }    

}

From source file:com.microsoft.azure.hdinsight.spark.jobs.YarnRestUtil.java

private static List<App> getSparkAppFromYarn(@NotNull final IClusterDetail clusterDetail)
        throws IOException, HDIException {
    final HttpEntity entity = getYarnRestEntity(clusterDetail, "cluster/apps");
    Optional<YarnApplicationResponse> allApps = ObjectConvertUtils.convertEntityToObject(entity,
            YarnApplicationResponse.class);
    return allApps.orElse(YarnApplicationResponse.EMPTY).getAllApplication().orElse(App.EMPTY_LIST).stream()
            .filter(app -> app.isLivyJob()).collect(Collectors.toList());
}

From source file:alfio.model.TicketFieldConfigurationAndDescription.java

public List<Pair<String, String>> getTranslatedRestrictedValue() {
    Map<String, String> description = ticketFieldDescription.getRestrictedValuesDescription();
    return ticketFieldConfiguration.getRestrictedValues().stream()
            .map(val -> Pair.of(val, description.getOrDefault(val, "MISSING_DESCRIPTION")))
            .collect(Collectors.toList());
}

From source file:com.liferay.ide.core.util.FileListing.java

public static List<IPath> getFileListing(File dir, String fileType) {
    Collection<File> files = FileUtils.listFiles(dir, new String[] { fileType }, true);

    Stream<File> stream = files.stream();

    return stream.filter(file -> file.exists()).map(file -> new Path(file.getPath()))
            .collect(Collectors.toList());
}

From source file:com.uber.hoodie.common.util.CompactionUtils.java

/**
 * Generate compaction operation from file-slice
 *
 * @param partitionPath          Partition path
 * @param fileSlice              File Slice
 * @param metricsCaptureFunction Metrics Capture function
 * @return Compaction Operation//from  w ww. ja v a2  s  .  c  o  m
 */
public static HoodieCompactionOperation buildFromFileSlice(String partitionPath, FileSlice fileSlice,
        Optional<Function<Pair<String, FileSlice>, Map<String, Double>>> metricsCaptureFunction) {
    HoodieCompactionOperation.Builder builder = HoodieCompactionOperation.newBuilder();
    builder.setPartitionPath(partitionPath);
    builder.setFileId(fileSlice.getFileId());
    builder.setBaseInstantTime(fileSlice.getBaseInstantTime());
    builder.setDeltaFilePaths(
            fileSlice.getLogFiles().map(lf -> lf.getPath().toString()).collect(Collectors.toList()));
    if (fileSlice.getDataFile().isPresent()) {
        builder.setDataFilePath(fileSlice.getDataFile().get().getPath());
    }

    if (metricsCaptureFunction.isPresent()) {
        builder.setMetrics(metricsCaptureFunction.get().apply(Pair.of(partitionPath, fileSlice)));
    }
    return builder.build();
}

From source file:org.jboss.pnc.rest.provider.EnvironmentProvider.java

public List<EnvironmentRest> getAll(Integer pageIndex, Integer pageSize, String sortingRsql, String query) {
    RSQLPredicate filteringCriteria = RSQLPredicateProducer.fromRSQL(Environment.class, query);
    Pageable paging = RSQLPageLimitAndSortingProducer.fromRSQL(pageSize, pageIndex, sortingRsql);

    return nullableStreamOf(environmentRepository.findAll(filteringCriteria.get(), paging)).map(toRestModel())
            .collect(Collectors.toList());
}

From source file:hd3gtv.embddb.MainClass.java

private static List<InetSocketAddress> importConf(PoolManager poolmanager, Properties conf, int default_port)
        throws Exception {
    if (conf.containsKey("hosts") == false) {
        throw new NullPointerException("No hosts in configuration");
    }/*from w  ww . j  a  v  a2 s  .c  o  m*/
    String hosts = conf.getProperty("hosts");

    return Arrays.asList(hosts.split(" ")).stream().map(addr -> {
        if (addr.isEmpty() == false) {
            log.debug("Found host in configuration: " + addr);
            return new InetSocketAddress(addr, default_port);
        } else {
            return null;
        }
    }).filter(addr -> {
        return addr != null;
    }).collect(Collectors.toList());
}

From source file:com.github.rutledgepaulv.qbuilders.visitors.MongoVisitor.java

@Override
protected Criteria visit(AndNode node) {
    Criteria criteria = new Criteria();
    List<Criteria> children = node.getChildren().stream().map(this::visitAny).collect(Collectors.toList());
    return criteria.andOperator(children.toArray(new Criteria[children.size()]));
}