Example usage for java.util Optional isPresent

Introduction

In this page you can find the example usage for java.util Optional isPresent.

Prototype

public boolean isPresent() 

Source Link

Document

If a value is present, returns true , otherwise false .

Usage

From source file:br.com.blackhubos.eventozero.updater.assets.uploader.Uploader.java

@SuppressWarnings("unchecked")
public static Optional<Uploader> parseJsonObject(JSONObject parse, MultiTypeFormatter formatter) {

    long id = Long.MIN_VALUE;
    String name = null;/*from   w  w w.j  a v a 2 s  .co  m*/
    boolean admin = false;
    // Loop em todas entradas do JSON
    for (Map.Entry entries : (Set<Map.Entry>) parse.entrySet()) {

        Object key = entries.getKey();
        Object value = entries.getValue();
        String valueString = String.valueOf(value);
        /** Transforma o objeto em um {@link AssetUploaderInput) para usar com switch **/
        switch (AssetUploaderInput.parseObject(key)) {
        case ADMIN: {
            // Obtem o valor que indica se quem enviou era administrador
            if (formatter.canFormat(Boolean.class)) {
                Optional<Boolean> result = formatter.format(value, Boolean.class);
                if (result.isPresent())
                    admin = result.get();
            }
            break;
        }
        case ID: {
            // Obtm o ID do usurio
            id = Long.parseLong(valueString);
            break;
        }
        case LOGIN: {
            // Obtm o nome/login do usurio
            name = valueString;
            break;
        }

        default: {
            break;
        }
        }
    }
    if (id == Long.MIN_VALUE || name == null) {
        return Optional.empty();
    }
    return Optional.of(new Uploader(name, admin, id));
}

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From source file:org.apache.metron.elasticsearch.client.ElasticsearchClientFactory.java

private static CredentialsProvider getCredentialsProvider(ElasticsearchClientConfig esClientConfig) {
    Optional<Entry<String, String>> credentials = esClientConfig.getCredentials();
    if (credentials.isPresent()) {
        LOG.info("Found auth credentials - setting up user/pass authenticated client connection for ES.");
        final CredentialsProvider credentialsProvider = new BasicCredentialsProvider();
        UsernamePasswordCredentials upcredentials = new UsernamePasswordCredentials(credentials.get().getKey(),
                credentials.get().getValue());
        credentialsProvider.setCredentials(AuthScope.ANY, upcredentials);
        return credentialsProvider;
    } else {//ww w.  java2 s. co m
        LOG.info(
                "Elasticsearch client credentials not provided. Defaulting to non-authenticated client connection.");
        return null;
    }
}

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From source file:io.github.binout.jaxrs.csv.CsvSchemaFactory.java

static CsvSchema buildSchema(CsvMapper mapper, Class csvClass) {
    CsvAnnotationIntrospector introspector = new CsvAnnotationIntrospector(csvClass);
    char separatorChar = introspector.separator();
    Optional<String[]> columns = introspector.columns();

    CsvSchema csvSchema = mapper.schemaFor(csvClass).withColumnSeparator(separatorChar)
            .withSkipFirstDataRow(introspector.skipFirstDataRow());
    if (columns.isPresent()) {
        // Rebuild columns to take account of order
        CsvSchema.Builder builder = csvSchema.rebuild().clearColumns();
        for (String column : columns.get()) {
            CsvSchema.Column oldColumn = csvSchema.column(column);
            builder.addColumn(column, oldColumn.getType());
        }/* www.j  a v  a  2s  .  co m*/
        csvSchema = builder.build();
    }

    return csvSchema;
}

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From source file:com.act.biointerpretation.sarinference.ProductScorer.java

/**
 * Reads in scored SARs, checks them against a prediction corpus and positive inchi list to get a product ranking.
 * This method is static because it does not rely on any properties of the enclosing class to construct the job.
 * TODO: It would probably make more sense to make this its own class, i.e. <ProductScorer implements JavaRunnable>
 * TODO: improve the data structure used to store scored products- using an L2PredictionCorpus is pretty ugly
 *
 * @param predictionCorpus The prediction corpus to score.
 * @param scoredSars The scored SARs to use.
 * @param lcmsFile The set of positive LCMS inchis, to use in scoring.
 * @return A JavaRunnable to run the product scoring.
 *//*from   w w  w. j  a  v  a  2s .  c  o  m*/
public static JavaRunnable getProductScorer(File predictionCorpus, File scoredSars, File lcmsFile,
        File outputFile) {

    return new JavaRunnable() {
        @Override
        public void run() throws IOException {
            // Verify files
            FileChecker.verifyInputFile(predictionCorpus);
            FileChecker.verifyInputFile(scoredSars);
            FileChecker.verifyInputFile(lcmsFile);
            FileChecker.verifyAndCreateOutputFile(outputFile);

            // Build SAR node list and best sar finder
            SarTreeNodeList nodeList = new SarTreeNodeList();
            nodeList.loadFromFile(scoredSars);
            BestSarFinder sarFinder = new BestSarFinder(nodeList);

            // Build prediction corpus
            L2PredictionCorpus predictions = L2PredictionCorpus.readPredictionsFromJsonFile(predictionCorpus);

            // Build LCMS results
            IonAnalysisInterchangeModel lcmsResults = new IonAnalysisInterchangeModel();
            lcmsResults.loadResultsFromFile(lcmsFile);

            /**
             * Build map from predictions to their scores based on SAR
             * For each prediction, we add on auxiliary info about its SARs and score to its projector name.
             * TODO: build data structure to store a scored prediction, instead of hijacking the projector name.
             */
            Map<L2Prediction, Double> predictionToScoreMap = new HashMap<>();
            LOGGER.info("Scoring predictions.");
            for (L2Prediction prediction : predictions.getCorpus()) {
                String nameAppendage = lcmsResults.getLcmsDataForPrediction(prediction).toString(); // Always tack LCMS result onto name

                Optional<SarTreeNode> maybeBestSar = sarFinder.apply(prediction);

                if (maybeBestSar.isPresent()) {
                    // If a SAR was matched, add info about it to the projector name, and put its score into the map
                    SarTreeNode bestSar = maybeBestSar.get();
                    nameAppendage += ":" + bestSar.getHierarchyId() + ":" + bestSar.getRankingScore();
                    prediction.setProjectorName(prediction.getProjectorName() + nameAppendage);
                    predictionToScoreMap.put(prediction, bestSar.getRankingScore());
                } else {
                    // If no SAR is found, append "NO_SAR" to the prediction, and give it a ranking score of 0
                    nameAppendage += "NO_SAR";
                    prediction.setProjectorName(prediction.getProjectorName() + nameAppendage);
                    predictionToScoreMap.put(prediction, 0D);
                }
            }

            LOGGER.info("Sorting predictions in decreasing order of best associated SAR rank.");
            List<L2Prediction> predictionList = new ArrayList<>(predictionToScoreMap.keySet());
            predictionList
                    .sort((a, b) -> -Double.compare(predictionToScoreMap.get(a), predictionToScoreMap.get(b)));

            // Wrap results in a corpus and write to file.
            L2PredictionCorpus finalCorpus = new L2PredictionCorpus(predictionList);
            finalCorpus.writePredictionsToJsonFile(outputFile);
            LOGGER.info("Complete!.");
        }

        @Override
        public String toString() {
            return "ProductScorer:" + scoredSars.getName();
        }
    };
}

---

From source file:io.github.retz.scheduler.Launcher.java

private static Protos.FrameworkInfo buildFrameworkInfo(Configuration conf) {
    String userName = conf.fileConfig.getUserName();

    Protos.FrameworkInfo.Builder fwBuilder = Protos.FrameworkInfo.newBuilder().setUser(userName)
            .setName(RetzScheduler.FRAMEWORK_NAME).setWebuiUrl(conf.fileConfig.getUri().toASCIIString())
            .setFailoverTimeout(3600 * 24 * 7).setCheckpoint(true).setPrincipal(conf.fileConfig.getPrincipal())
            .setRole(conf.fileConfig.getRole());

    Optional<String> fid = Database.getInstance().getFrameworkId();
    if (fid.isPresent()) {
        LOG.info("FrameworkID {} found", fid.get());
        fwBuilder.setId(Protos.FrameworkID.newBuilder().setValue(fid.get()).build());
    }/* w w  w.  j  a v  a  2s . c o m*/

    if (conf.fileConfig.useGPU()) {
        LOG.info("GPU enabled - registering with GPU_RESOURCES capability.");
        fwBuilder.addCapabilities(Protos.FrameworkInfo.Capability.newBuilder()
                .setType(Protos.FrameworkInfo.Capability.Type.GPU_RESOURCES).build());
    }

    LOG.info("Connecting to Mesos master {} as {}", conf.getMesosMaster(), userName);
    return fwBuilder.build();
}

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From source file:gov.ca.cwds.cals.util.PlacementHomeUtil.java

private static StringBuilder composeFirstPartOfFacilityName(ApplicantDTO applicant) {
    StringBuilder sb = new StringBuilder();
    Optional<String> lastName = Optional.ofNullable(applicant.getLastName());
    Optional<String> firstName = Optional.ofNullable(applicant.getFirstName());
    lastName.ifPresent(ln -> {//from w  w w . jav a  2 s .  c om
        sb.append(ln);
        if (firstName.isPresent()) {
            sb.append(", ");
        }
    });
    firstName.ifPresent(sb::append);
    return sb;
}

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From source file:io.hops.hopsworks.util.CertificateHelper.java

public static Optional<Triplet<KeyStore, KeyStore, String>> loadKeystoreFromDB(String masterPswd,
        String clusterName, ClusterCertificateFacade certFacade,
        CertificatesMgmService certificatesMgmService) {
    try {/*from  w  w  w  .j a v  a 2 s  . com*/
        Optional<ClusterCertificate> cert = certFacade.getClusterCert(clusterName);
        if (!cert.isPresent()) {
            return Optional.empty();
        }
        String certPswd = HopsUtils.decrypt(masterPswd, cert.get().getCertificatePassword(),
                certificatesMgmService.getMasterEncryptionPassword());
        KeyStore keystore, truststore;
        try (ByteArrayInputStream keystoreIS = new ByteArrayInputStream(cert.get().getClusterKey());
                ByteArrayInputStream truststoreIS = new ByteArrayInputStream(cert.get().getClusterCert())) {
            keystore = keystore(keystoreIS, certPswd);
            truststore = keystore(truststoreIS, certPswd);
        }
        return Optional.of(Triplet.with(keystore, truststore, certPswd));
    } catch (Exception ex) {
        LOG.log(Level.SEVERE, "keystore ex. {0}", ex.getMessage());
        return Optional.empty();
    }
}

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From source file:io.github.retz.scheduler.MesosHTTPFetcher.java

public static Optional<String> sandboxDownloadUri(String master, String slaveId, String frameworkId,
        String executorId, String path) {
    Optional<String> base = sandboxUri("download", master, slaveId, frameworkId, executorId);
    if (base.isPresent()) {
        try {//w w  w .jav  a2  s  . c  om
            String encodedPath = java.net.URLEncoder.encode(path,
                    java.nio.charset.StandardCharsets.UTF_8.toString());
            return Optional.of(base.get() + encodedPath);
        } catch (UnsupportedEncodingException e) {
            return Optional.empty();
        }
    }
    return Optional.empty();
}

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From source file:org.openmhealth.shim.ihealth.mapper.IHealthDataPointMapper.java

/**
 * Gets the user note from a list entry node if that property exists.
 *
 * @param listEntryNode A single entry from the response result array.
 *//*  w ww. j a  va  2  s  .c  o m*/
protected static Optional<String> getUserNoteIfExists(JsonNode listEntryNode) {

    Optional<String> note = asOptionalString(listEntryNode, "Note");

    if (note.isPresent() && !note.get().isEmpty()) {

        return note;
    }

    return Optional.empty();
}

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From source file:io.pravega.controller.store.stream.tables.HistoryRecord.java

public static List<Pair<Long, List<Integer>>> readAllRecords(byte[] historyTable) {
    List<Pair<Long, List<Integer>>> result = new LinkedList<>();
    Optional<HistoryRecord> record = readLatestRecord(historyTable, true);
    while (record.isPresent()) {
        result.add(new ImmutablePair<>(record.get().getScaleTime(), record.get().getSegments()));
        record = fetchPrevious(record.get(), historyTable);
    }//from  w w w  .ja  va  2 s  .c o  m
    return result;
}

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