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:org.apache.ambari.view.web.service.PackageScannerServiceImpl.java

private void updateScanningStatus(String repoName, RegistryScanStatus status) {
    Optional<Registry> registryOptional = registryRepository.findByName(repoName);
    if (!registryOptional.isPresent()) {
        log.error("Cannot find registry name '{}', unable to mark it as {}", repoName, status);
        return;/* ww  w  .ja v  a 2  s. c  o  m*/
    }

    Registry registry = registryOptional.get();
    registry.setScanStatus(status);
    registryRepository.save(registry);
}

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From source file:com.netflix.genie.core.jobs.workflow.impl.ClusterTask.java

/**
 * {@inheritDoc}//from  w ww  .  jav a 2s  .co m
 */
@Override
public void executeTask(@NotNull final Map<String, Object> context) throws GenieException, IOException {
    final long start = System.nanoTime();
    try {
        final JobExecutionEnvironment jobExecEnv = (JobExecutionEnvironment) context
                .get(JobConstants.JOB_EXECUTION_ENV_KEY);
        final String jobWorkingDirectory = jobExecEnv.getJobWorkingDir().getCanonicalPath();
        final String genieDir = jobWorkingDirectory + JobConstants.FILE_PATH_DELIMITER
                + JobConstants.GENIE_PATH_VAR;
        final Writer writer = (Writer) context.get(JobConstants.WRITER_KEY);
        log.info("Starting Cluster Task for job {}", jobExecEnv.getJobRequest().getId());

        final String clusterId = jobExecEnv.getCluster().getId()
                .orElseThrow(() -> new GeniePreconditionException("No cluster id found"));

        // Create the directory for this application under applications in the cwd
        createEntityInstanceDirectory(genieDir, clusterId, AdminResources.CLUSTER);

        // Create the config directory for this id
        createEntityInstanceConfigDirectory(genieDir, clusterId, AdminResources.CLUSTER);

        // Get the set up file for cluster and add it to source in launcher script
        final Optional<String> setupFile = jobExecEnv.getCluster().getSetupFile();
        if (setupFile.isPresent()) {
            final String clusterSetupFile = setupFile.get();
            if (StringUtils.isNotBlank(clusterSetupFile)) {
                final String localPath = super.buildLocalFilePath(jobWorkingDirectory, clusterId,
                        clusterSetupFile, FileType.SETUP, AdminResources.CLUSTER);

                fts.getFile(clusterSetupFile, localPath);

                super.generateSetupFileSourceSnippet(clusterId, "Cluster:", localPath, writer,
                        jobWorkingDirectory);
            }
        }

        // Iterate over and get all configuration files
        for (final String configFile : jobExecEnv.getCluster().getConfigs()) {
            final String localPath = super.buildLocalFilePath(jobWorkingDirectory, clusterId, configFile,
                    FileType.CONFIG, AdminResources.CLUSTER);
            fts.getFile(configFile, localPath);
        }
        log.info("Finished Cluster Task for job {}", jobExecEnv.getJobRequest().getId());
    } finally {
        final long finish = System.nanoTime();
        this.timer.record(finish - start, TimeUnit.NANOSECONDS);
    }
}

---

From source file:gndata.lib.srv.LocalFileTest.java

@Test
public void testGetParent() throws Exception {
    Optional<LocalFile> currParent = localFile.getParent();
    assertThat(currParent.isPresent());
    assertThat(currParent.get().hasPath(testFileFolder));
}

---

From source file:org.apache.ambari.view.web.service.PackageScannerServiceImpl.java

@Override
@Transactional//from ww w. j  ava  2 s  .  c  o  m
public void updateApplications(List<Application> applications, String repo) {
    Optional<Registry> registryOptional = registryRepository.findByName(repo);
    if (!registryOptional.isPresent()) {
        log.error("Cannot find registry name '{}', unable to update applications ", repo);
        return;
    }

    Registry registry = registryOptional.get();
    registry.setLastScannedAt(new Date());
    registry.setScanStatus(RegistryScanStatus.RUNNING);
    registryRepository.save(registry);
    applications.forEach(app -> this.updateApplication(app, registry));

}

---

From source file:io.mapzone.controller.vm.http.AuthTokenValidator.java

/**
 * /*from   w  ww.  j  ava  2 s  .com*/
 *
 * @param token
 * @param pid
 * @return
 * @throws HttpProvisionRuntimeException If project does not exists.
 */
protected Boolean isValidToken(String token, ProjectInstanceIdentifier pid) {
    CacheKey key = new CacheKey(token, pid);
    return validTokens.get(key, _key -> {
        Project project = uow.get().findProject(pid.organization(), pid.project())
                .orElseThrow(() -> new HttpProvisionRuntimeException(404, "No such project: " + pid));
        Optional<AuthToken> projectToken = project.serviceAuthToken();
        return projectToken.isPresent() ? projectToken.get().isValid(token) : false;
    });
}

---

From source file:io.gravitee.gateway.env.GatewayConfigurationTest.java

@Test
public void shouldReturnEmptyTenant2() {
    System.setProperty(GatewayConfiguration.MULTI_TENANT_SYSTEM_PROPERTY, "");

    gatewayConfiguration.afterPropertiesSet();

    Optional<String> tenant = gatewayConfiguration.tenant();
    Assert.assertFalse(tenant.isPresent());
}

---

From source file:io.apiman.cli.PluginTest.java

/**
 * @return the plugin expected to have been added
 * @throws java.io.IOException//from   w  ww  .  ja  v a  2 s  .co  m
 */
@NotNull
private Plugin getPlugin() throws java.io.IOException {
    // fetch all plugins
    final Response response = given().log().all()
            .header(AuthUtil.HEADER_AUTHORIZATION, AuthUtil.BASIC_AUTH_VALUE).when().get("/plugins")
            .thenReturn();

    assertEquals(HttpURLConnection.HTTP_OK, response.statusCode());

    @SuppressWarnings("unchecked")
    final List<Plugin> plugins = MappingUtil.JSON_MAPPER.readValue(response.body().asByteArray(),
            new TypeReference<List<Plugin>>() {
            });

    assertNotNull(plugins);
    assertTrue("At least one plugin should be installed", plugins.size() > 0);

    // find the expected plugin
    final Optional<Plugin> addedPlugin = plugins.stream().filter(this::isArtifactMatch).findAny();

    assertTrue(addedPlugin.isPresent());
    return addedPlugin.get();
}

---

From source file:com.netflix.genie.core.jobs.workflow.impl.CommandTask.java

/**
 * {@inheritDoc}/* ww w.jav a 2s.  c  om*/
 */
@Override
public void executeTask(@NotNull final Map<String, Object> context) throws GenieException, IOException {
    final long start = System.nanoTime();
    try {
        final JobExecutionEnvironment jobExecEnv = (JobExecutionEnvironment) context
                .get(JobConstants.JOB_EXECUTION_ENV_KEY);
        final String jobWorkingDirectory = jobExecEnv.getJobWorkingDir().getCanonicalPath();
        final String genieDir = jobWorkingDirectory + JobConstants.FILE_PATH_DELIMITER
                + JobConstants.GENIE_PATH_VAR;
        final Writer writer = (Writer) context.get(JobConstants.WRITER_KEY);

        log.info("Starting Command Task for job {}", jobExecEnv.getJobRequest().getId());

        final String commandId = jobExecEnv.getCommand().getId()
                .orElseThrow(() -> new GeniePreconditionException("No command id found"));

        // Create the directory for this command under command dir in the cwd
        createEntityInstanceDirectory(genieDir, commandId, AdminResources.COMMAND);

        // Create the config directory for this id
        createEntityInstanceConfigDirectory(genieDir, commandId, AdminResources.COMMAND);

        // Get the setup file if specified and add it as source command in launcher script
        final Optional<String> setupFile = jobExecEnv.getCommand().getSetupFile();
        if (setupFile.isPresent()) {
            final String commandSetupFile = setupFile.get();
            if (StringUtils.isNotBlank(commandSetupFile)) {
                final String localPath = super.buildLocalFilePath(jobWorkingDirectory, commandId,
                        commandSetupFile, FileType.SETUP, AdminResources.COMMAND);

                fts.getFile(commandSetupFile, localPath);

                super.generateSetupFileSourceSnippet(commandId, "Command:", localPath, writer,
                        jobWorkingDirectory);
            }
        }

        // Iterate over and get all configuration files
        for (final String configFile : jobExecEnv.getCommand().getConfigs()) {
            final String localPath = super.buildLocalFilePath(jobWorkingDirectory, commandId, configFile,
                    FileType.CONFIG, AdminResources.COMMAND);
            fts.getFile(configFile, localPath);
        }
        log.info("Finished Command Task for job {}", jobExecEnv.getJobRequest().getId());
    } finally {
        final long finish = System.nanoTime();
        this.timer.record(finish - start, TimeUnit.NANOSECONDS);
    }
}

---

From source file:spring.travel.site.services.news.NewsServiceTest.java

@Test
public void shouldReturnNoneIfNewsDigesterBarfsReadingTheNews() throws Exception {
    stubGet("/news", "");

    HandOff<Optional<List<NewsItem>>> handOff = new HandOff<>();

    newsService.news().whenComplete((items, t) -> handOff.put(items));

    Optional<List<NewsItem>> newsItems = handOff.get(2);

    assertThat(newsItems.isPresent(), is(false));
}

---

From source file:com.arpnetworking.configuration.jackson.JsonNodeMergingSource.java

private JsonNodeMergingSource(final Builder builder) {
    Optional<JsonNode> mergedNode = Optional.empty();
    for (final JsonNodeSource source : builder._sources) {
        final Optional<JsonNode> sourceNode = source.getValue();
        if (sourceNode.isPresent()) {
            if (mergedNode.isPresent()) {
                mergedNode = Optional.of(merge(mergedNode.get(), sourceNode.get()));
            } else {
                mergedNode = Optional.of(sourceNode.get().deepCopy());
            }//w  ww . j a  v  a2 s. co  m
        }
    }
    _mergedNode = mergedNode;
}

---

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