Example usage for java.util.stream Collectors joining

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

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Introduction

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

Prototype

public static Collector<CharSequence, ?, String> joining(CharSequence delimiter)

Source Link

Document

Returns a Collector that concatenates the input elements, separated by the specified delimiter, in encounter order.

Usage

From source file:com.thinkbiganalytics.jobrepo.rest.controller.FeedsRestController.java

private Collection<AlertSummaryGrouped> getAlerts(final String feedName, final String feedId) {
    return metadataAccess.read(() -> {

        String derivedFeedId = feedId;
        //get necessary feed info
        if (StringUtils.isBlank(feedId) && StringUtils.isNotBlank(feedName)) {
            //get the feedId for this feed name
            OpsManagerFeed feed = opsFeedManagerFeedProvider.findByName(feedName);
            if (feed != null) {
                derivedFeedId = feed.getId().toString();
            }/* w w  w .  j av  a2s . c  o  m*/
        }

        if (StringUtils.isBlank(derivedFeedId)) {
            return Collections.emptyList();
        }

        List<? extends ServiceLevelAgreementDescription> slas = serviceLevelAgreementDescriptionProvider
                .findForFeed(opsFeedManagerFeedProvider.resolveId(derivedFeedId));
        List<String> slaIds = new ArrayList<>();
        if (slas != null && !slas.isEmpty()) {
            slaIds = slas.stream().map(sla -> sla.getSlaId().toString()).collect(Collectors.toList());
        }
        List<String> ids = new ArrayList<>();
        ids.addAll(slaIds);
        ids.add(derivedFeedId);
        String filter = ids.stream().collect(Collectors.joining("||"));

        List<AlertSummary> alerts = new ArrayList<>();
        AlertCriteria criteria = alertProvider.criteria().state(Alert.State.UNHANDLED).orFilter(filter);
        alertProvider.getAlertsSummary(criteria).forEachRemaining(alerts::add);

        return alertsModel.groupAlertSummaries(alerts);
    });
}

From source file:io.soabase.halva.processor.caseclass.Templates.java

void addApplyBuilder(CaseClassSpec spec, TypeSpec.Builder builder, ClassName className,
        Optional<List<TypeVariableName>> typeVariableNames) {
    TypeName localCaseClassName = getLocalCaseClassName(className, typeVariableNames);

    List<ParameterSpec> parameters = spec.getItems().stream()
            .map(item -> ParameterSpec
                    .builder(environment.getGeneratedManager().toTypeName(item.getType()), item.getName())
                    .build())//from w  w w  . ja  v  a2 s . co  m
            .collect(Collectors.toList());

    String arguments = spec.getItems().stream().map(CaseClassItem::getName).collect(Collectors.joining(", "));
    CodeBlock.Builder codeBlockBuilder = CodeBlock.builder().addStatement("return new $L$L($L)",
            className.simpleName(), getDuck(typeVariableNames), arguments);

    MethodSpec.Builder methodSpecBuilder = MethodSpec.methodBuilder(className.simpleName())
            .returns(localCaseClassName).addParameters(parameters).addCode(codeBlockBuilder.build())
            .addModifiers(Modifier.PUBLIC, Modifier.STATIC);
    if (typeVariableNames.isPresent()) {
        methodSpecBuilder.addTypeVariables(typeVariableNames.get());
    }
    builder.addMethod(methodSpecBuilder.build());
}

From source file:com.hortonworks.streamline.streams.actions.storm.topology.StormTopologyActionsImpl.java

@Override
public void deploy(TopologyLayout topology, String mavenArtifacts, TopologyActionContext ctx, String asUser)
        throws Exception {
    ctx.setCurrentAction("Adding artifacts to jar");
    Path jarToDeploy = addArtifactsToJar(getArtifactsLocation(topology));
    ctx.setCurrentAction("Creating Storm topology YAML file");
    String fileName = createYamlFile(topology);
    ctx.setCurrentAction("Deploying topology via 'storm jar' command");
    List<String> commands = new ArrayList<String>();
    commands.add(stormCliPath);//from  w ww  .j  a  va  2  s. c  om
    commands.add("jar");
    commands.add(jarToDeploy.toString());
    commands.addAll(getExtraJarsArg(topology));
    commands.addAll(getMavenArtifactsRelatedArgs(mavenArtifacts));
    commands.addAll(getNimbusConf());
    commands.addAll(getSecuredClusterConf(asUser));
    commands.add("org.apache.storm.flux.Flux");
    commands.add("--remote");
    commands.add(fileName);
    LOG.info("Deploying Application {}", topology.getName());
    LOG.info(String.join(" ", commands));
    ShellProcessResult shellProcessResult = executeShellProcess(commands);
    int exitValue = shellProcessResult.exitValue;
    if (exitValue != 0) {
        LOG.error("Topology deploy command failed - exit code: {} / output: {}", exitValue,
                shellProcessResult.stdout);
        String[] lines = shellProcessResult.stdout.split("\\n");
        String errors = Arrays.stream(lines).filter(line -> line.startsWith("Exception"))
                .collect(Collectors.joining(", "));
        Pattern pattern = Pattern.compile("Topology with name `(.*)` already exists on cluster");
        Matcher matcher = pattern.matcher(errors);
        if (matcher.find()) {
            throw new TopologyAlreadyExistsOnCluster(matcher.group(1));
        } else {
            throw new Exception(
                    "Topology could not be deployed successfully: storm deploy command failed with " + errors);
        }
    }
}

From source file:com.ikanow.aleph2.shared.crud.mongodb.services.MongoDbCrudService.java

@Override
public CompletableFuture<Boolean> optimizeQuery(final List<String> ordered_field_list) {

    // Mongo appears to have an ~100 char list on the query, Fongo does not, so add a mannual check
    // so we don't get the situation where the tests work but it fails operationally

    String approx_index_name = ordered_field_list.stream().collect(Collectors.joining("."));
    if (approx_index_name.length() > 100) {
        throw new MongoException(ErrorUtils.get(ErrorUtils.MONGODB_INDEX_TOO_LONG, approx_index_name));
    }//from ww  w.  j av  a2  s .co  m

    return CompletableFuture.supplyAsync(() -> {
        final BasicDBObject index_keys = new BasicDBObject(ordered_field_list.stream()
                .collect(Collectors.toMap(f -> f, f -> 1, (v1, v2) -> 1, LinkedHashMap::new)));

        _state.orig_coll.createIndex(index_keys, new BasicDBObject("background", true));

        return true;
    });
}

From source file:com.haulmont.cuba.gui.components.filter.edit.FilterEditor.java

protected void checkGlobalDefaultAndCloseEditor() {
    List<FilterEntity> otherDefaultFilters = dataManager.loadList(LoadContext.create(FilterEntity.class)
            .setQuery(LoadContext//from w  ww . j  a va  2  s . co m
                    .createQuery("select f from sec$Filter f where f.globalDefault = true and "
                            + "f.componentId = :componentId and " + "f.id <> :currentId ")
                    .setParameter("componentId", filterEntity.getComponentId())
                    .setParameter("currentId", filterEntity.getId())));

    if (!otherDefaultFilters.isEmpty()) {
        String otherFilterNamesStr = otherDefaultFilters.stream().map(FilterEntity::getName)
                .collect(Collectors.joining(", "));
        showOptionDialog(getMessage("filter.editor.anotherGlobalDefaultFilterFound.dialogTitle"),
                formatMessage("filter.editor.anotherGlobalDefaultFilterFound.dialogMessage",
                        otherFilterNamesStr),
                MessageType.WARNING,
                new Action[] { new DialogAction(DialogAction.Type.YES, Action.Status.PRIMARY).withHandler(e -> {
                    otherDefaultFilters
                            .forEach(otherDefaultFilter -> otherDefaultFilter.setGlobalDefault(false));
                    modifiedGlobalDefaultFilters = dataManager.commit(new CommitContext(otherDefaultFilters));
                    close(COMMIT_ACTION_ID, true);
                }), new DialogAction(DialogAction.Type.NO, Action.Status.NORMAL).withHandler(e -> {
                    filterEntity.setGlobalDefault(false);
                    close(COMMIT_ACTION_ID, true);
                }), });
    } else {
        close(COMMIT_ACTION_ID, true);
    }
}

From source file:com.netflix.spinnaker.clouddriver.titus.client.RegionScopedTitusClient.java

private Map<String, List<com.netflix.titus.grpc.protogen.Task>> getTasks(List<String> jobIds,
        boolean includeDoneJobs) {
    TaskQuery.Builder taskQueryBuilder = TaskQuery.newBuilder();
    if (!jobIds.isEmpty()) {
        taskQueryBuilder.putFilteringCriteria("jobIds", jobIds.stream().collect(Collectors.joining(",")));
    }/*from  www.ja v  a 2  s.  c om*/
    if (titusRegion.getFeatureFlags().contains("jobIds")) {
        taskQueryBuilder.putFilteringCriteria("attributes", "source:spinnaker");
    }
    String filterByStates = "Launched,StartInitiated,Started";
    if (includeDoneJobs) {
        filterByStates = filterByStates + ",KillInitiated,Finished";
    }
    taskQueryBuilder.putFilteringCriteria("taskStates", filterByStates);

    List<com.netflix.titus.grpc.protogen.Task> tasks = getTasksWithFilter(taskQueryBuilder);
    return tasks.stream().collect(Collectors.groupingBy(com.netflix.titus.grpc.protogen.Task::getJobId));
}

From source file:com.esri.geoportal.commons.agp.client.AgpClient.java

/**
 * Adds item.// w  w w.j av a 2  s.c  o m
 * @param owner user name
 * @param folderId folder id (optional)
 * @param itemId item id
 * @param title title
 * @param description description
 * @param url URL
 * @param thumbnailUrl thumbnail URL
 * @param itemType item type (must be a URL type)
 * @param extent extent
 * @param typeKeywords type keywords
 * @param tags tags tags
 * @param token token
 * @return add item response
 * @throws URISyntaxException if invalid URL
 * @throws IOException if operation fails
 */
public ItemResponse updateItem(String owner, String folderId, String itemId, String title, String description,
        URL url, URL thumbnailUrl, ItemType itemType, Double[] extent, String[] typeKeywords, String[] tags,
        String token) throws IOException, URISyntaxException {
    URIBuilder builder = new URIBuilder(updateItemUri(owner, StringUtils.trimToNull(folderId), itemId));

    HttpPost req = new HttpPost(builder.build());
    HashMap<String, String> params = new HashMap<>();
    params.put("f", "json");
    params.put("title", title);
    params.put("description", description);
    params.put("type", itemType.getTypeName());
    params.put("url", url.toExternalForm());
    if (thumbnailUrl != null) {
        params.put("thumbnailurl", thumbnailUrl.toExternalForm());
    }
    if (extent != null && extent.length == 4) {
        params.put("extent",
                Arrays.asList(extent).stream().map(Object::toString).collect(Collectors.joining(",")));
    }
    if (typeKeywords != null) {
        params.put("typeKeywords", Arrays.asList(typeKeywords).stream().collect(Collectors.joining(",")));
    }
    if (tags != null) {
        params.put("tags", Arrays.asList(tags).stream().collect(Collectors.joining(",")));
    }
    params.put("token", token);

    req.setEntity(createEntity(params));

    return execute(req, ItemResponse.class);
}

From source file:com.ggvaidya.scinames.complexquery.ComplexQueryViewController.java

public void updateTableWithChanges(Project project, Set<Change> changesToDisplay, List<Dataset> datasets) {
    List<Change> changes = changesToDisplay.stream().sorted((a, b) -> a.getDataset().compareTo(b.getDataset()))
            .collect(Collectors.toList());

    NameClusterManager ncm = project.getNameClusterManager();

    // And add tablecolumns for the rest.
    dataTableView.getColumns().clear();//from  w ww . j  a  v  a2  s  . c om
    dataTableView.getColumns().addAll(createTableColumnFromChange("id", ch -> ch.getId().toString()),
            createTableColumnFromChange("dataset", ch -> ch.getDataset().getName()),
            createTableColumnFromChange("type", ch -> ch.getType().getType()),
            createTableColumnFromChange("from", ch -> ch.getFromString()),
            createTableColumnFromChange("from_name_cluster_ids",
                    ch -> ncm.getClusters(ch.getFrom()).stream().map(cl -> cl.getId().toString())
                            .collect(Collectors.joining(" and "))),
            createTableColumnFromChange("from_name_clusters",
                    ch -> ncm.getClusters(ch.getFrom()).stream()
                            .map(cl -> cl.getNames().stream().map(n -> n.getFullName())
                                    .collect(Collectors.joining("; ")))
                            .collect(Collectors.joining(" and "))),
            createTableColumnFromChange("to", ch -> ch.getToString()),
            createTableColumnFromChange("to_name_cluster_ids",
                    ch -> ncm.getClusters(ch.getTo()).stream().map(cl -> cl.getId().toString())
                            .collect(Collectors.joining(" and "))),
            createTableColumnFromChange("to_name_clusters",
                    ch -> ncm.getClusters(ch.getTo()).stream()
                            .map(cl -> cl.getNames().stream().map(n -> n.getFullName())
                                    .collect(Collectors.joining("; ")))
                            .collect(Collectors.joining(" and "))),
            createTableColumnFromChange("filter_status",
                    ch -> project.getChangeFilter().test(ch) ? "retained" : "eliminated"),
            createTableColumnFromChange("properties",
                    ch -> ch.getProperties().entrySet().stream()
                            .map(entry -> entry.getKey() + ": " + entry.getValue()).sorted()
                            .collect(Collectors.joining("; "))),
            createTableColumnFromChange("citations", ch -> ch.getCitationStream().map(cit -> cit.getCitation())
                    .sorted().collect(Collectors.joining("; "))));

    dataTableView.getItems().clear();
    dataTableView.getItems().addAll(changes);

    dataTableView.refresh();

    // Fill in status text field.
    statusTextField.setText(dataTableView.getItems().size() + " changes across "
            + changes.stream().map(ch -> ch.getDataset()).distinct().count() + " distinct datasets");
}

From source file:com.ikanow.aleph2.management_db.controllers.actors.TestBucketDeletionActor.java

@Test
public void test_bucketDeletionActor_purge_immediate() throws Exception {
    final Tuple2<String, ActorRef> host_actor = insertActor(TestActor_Accepter.class);

    final DataBucketBean bucket = createBucketInfrastructure("/test/purge/immediate", true);

    storeBucketAndStatus(bucket, true, host_actor._1());

    final ManagementFuture<Boolean> res = _core_mgmt_db.purgeBucket(bucket, Optional.empty());

    // check result
    assertTrue("Purge called succeeded: " + res.getManagementResults().get().stream().map(msg -> msg.message())
            .collect(Collectors.joining(";")), res.get());
    assertEquals(3, res.getManagementResults().get().size());

    //check system state afterwards

    // Full filesystem exists
    assertTrue("The file path has *not* been deleted", new File(System.getProperty("java.io.tmpdir")
            + File.separator + "data" + File.separator + bucket.full_name() + "/managed_bucket").exists());

    // Data directories no longer exist
    assertFalse("The data path has been deleted",
            new File(System.getProperty("java.io.tmpdir") + File.separator + "data" + File.separator
                    + bucket.full_name() + IStorageService.STORED_DATA_SUFFIX_PROCESSED + "/test").exists());

    // check state directory _not_ cleaned in this case (the harvester can always do this once that's been wired up):
    checkStateDirectoriesNotCleaned(bucket);

    // check mock index deleted:
    assertEquals(1, _mock_index._handleBucketDeletionRequests.size());
    final Collection<Tuple2<String, Object>> deletions = _mock_index._handleBucketDeletionRequests
            .get("handleBucketDeletionRequest");
    assertEquals(1, deletions.size());//from w w  w  .  ja v a2 s .  co m
    assertEquals("/test/purge/immediate", deletions.iterator().next()._1());
    assertEquals(false, deletions.iterator().next()._2());
    _mock_index._handleBucketDeletionRequests.clear();

    shutdownActor(host_actor._2());
}

From source file:io.bitsquare.gui.util.BSFormatter.java

public String arbitratorAddressesToString(List<NodeAddress> nodeAddresses) {
    return nodeAddresses.stream().map(NodeAddress::getFullAddress).collect(Collectors.joining(", "));
}