List of usage examples for java.util Optional orElseGet
public T orElseGet(Supplier<? extends T> supplier)
From source file:com.spotify.heroic.suggest.elasticsearch.ElasticsearchSuggestModule.java
@JsonCreator public ElasticsearchSuggestModule(@JsonProperty("id") Optional<String> id, @JsonProperty("groups") Optional<Groups> groups, @JsonProperty("connection") Optional<ConnectionModule> connection, @JsonProperty("writesPerSecond") Optional<Double> writesPerSecond, @JsonProperty("rateLimitSlowStartSeconds") Optional<Long> rateLimitSlowStartSeconds, @JsonProperty("writeCacheDurationMinutes") Optional<Long> writeCacheDurationMinutes, @JsonProperty("templateName") Optional<String> templateName, @JsonProperty("backendType") Optional<String> backendType, @JsonProperty("configure") Optional<Boolean> configure) { this.id = id; this.groups = groups.orElseGet(Groups::empty).or(DEFAULT_GROUP); this.connection = connection.orElseGet(ConnectionModule::buildDefault); this.writesPerSecond = writesPerSecond.orElse(DEFAULT_WRITES_PER_SECOND); this.rateLimitSlowStartSeconds = rateLimitSlowStartSeconds.orElse(DEFAULT_RATE_LIMIT_SLOW_START_SECONDS); this.writeCacheDurationMinutes = writeCacheDurationMinutes.orElse(DEFAULT_WRITES_CACHE_DURATION_MINUTES); this.templateName = templateName.orElse(DEFAULT_TEMPLATE_NAME); this.backendType = backendType.orElse(DEFAULT_BACKEND_TYPE); this.type = backendType.map(this::lookupBackendType).orElse(defaultSetup); this.configure = configure.orElse(DEFAULT_CONFIGURE); }
From source file:com.ikanow.aleph2.analytics.storm.services.MockAnalyticsContext.java
@Override public List<String> getInputTopics(final Optional<DataBucketBean> bucket, final AnalyticThreadJobBean job, final AnalyticThreadJobInputBean job_input) { // (Note this is just the bare bones required for Storm streaming enrichment testing, nothing more functional than that) final DataBucketBean my_bucket = bucket.orElseGet(() -> _mutable_state.bucket.get()); final String topic = _distributed_services.generateTopicName(my_bucket.full_name(), Optional.empty()); _distributed_services.createTopic(topic, Optional.empty()); _logger.info("Created input topic for passthrough topology: " + topic); return Arrays.asList(topic); }
From source file:com.intuit.wasabi.repository.cassandra.impl.CassandraAssignmentsRepository.java
@Override public void updateBucketAssignmentCount(Experiment experiment, Assignment assignment, boolean countUp) { Optional<Bucket.Label> labelOptional = Optional.ofNullable(assignment.getBucketLabel()); try {//from w ww. ja v a 2s . com if (countUp) { bucketAssignmentCountAccessor.incrementCountBy(experiment.getID().getRawID(), labelOptional.orElseGet(() -> NULL_LABEL).toString()); } else { bucketAssignmentCountAccessor.decrementCountBy(experiment.getID().getRawID(), labelOptional.orElseGet(() -> NULL_LABEL).toString()); } } catch (WriteTimeoutException | UnavailableException | NoHostAvailableException e) { throw new RepositoryException("Could not update the bucket count for experiment " + experiment.getID() + " bucket " + labelOptional.orElseGet(() -> NULL_LABEL).toString(), e); } }
From source file:com.intuit.wasabi.repository.cassandra.impl.CassandraAssignmentsRepository.java
List<Date> getDateHourRangeList(Experiment.ID experimentID, Parameters parameters) {
final Experiment id = experimentRepository.getExperiment(experimentID);
if (isNull(id)) {
throw new ExperimentNotFoundException(experimentID);
}/*from w ww . j a va 2s. c o m*/
final Optional<Date> from_ts = Optional.ofNullable(parameters.getFromTime());
final Optional<Date> to_ts = Optional.ofNullable(parameters.getToTime());
// Fetches the relevant partitions for a given time window where the user assignments data resides.
return getUserAssignmentPartitions(from_ts.orElseGet(id::getCreationTime), to_ts.orElseGet(Date::new));
}
From source file:com.spotify.heroic.metadata.elasticsearch.ElasticsearchMetadataModule.java
@JsonCreator public ElasticsearchMetadataModule(@JsonProperty("id") Optional<String> id, @JsonProperty("groups") Optional<Groups> groups, @JsonProperty("connection") Optional<ConnectionModule> connection, @JsonProperty("writesPerSecond") Optional<Double> writesPerSecond, @JsonProperty("rateLimitSlowStartSeconds") Optional<Long> rateLimitSlowStartSeconds, @JsonProperty("writeCacheDurationMinutes") Optional<Long> writeCacheDurationMinutes, @JsonProperty("deleteParallelism") Optional<Integer> deleteParallelism, @JsonProperty("templateName") Optional<String> templateName, @JsonProperty("backendType") Optional<String> backendType, @JsonProperty("configure") Optional<Boolean> configure) { this.id = id; this.groups = groups.orElseGet(Groups::empty).or(DEFAULT_GROUP); this.connection = connection.orElseGet(ConnectionModule::buildDefault); this.writesPerSecond = writesPerSecond.orElse(DEFAULT_WRITES_PER_SECOND); this.rateLimitSlowStartSeconds = rateLimitSlowStartSeconds.orElse(DEFAULT_RATE_LIMIT_SLOW_START_SECONDS); this.writeCacheDurationMinutes = writeCacheDurationMinutes.orElse(DEFAULT_WRITE_CACHE_DURATION_MINUTES); this.deleteParallelism = deleteParallelism.orElse(DEFAULT_DELETE_PARALLELISM); this.templateName = templateName.orElse(DEFAULT_TEMPLATE_NAME); this.backendTypeBuilder = backendType.flatMap(bt -> ofNullable(backendTypes.get(bt))).orElse(defaultSetup); this.configure = configure.orElse(false); }
From source file:org.ops4j.pax.web.resources.jsf.OsgiResourceHandler.java
@Override public Resource createResource(final String resourceName, String libraryName, String contentType) { // first, use default ResourceHandler for lookup Resource standardResource = super.createResource(resourceName, libraryName, contentType); if (standardResource != null) { return standardResource; }//from w ww . j av a 2 s.co m String workResourceName = resourceName; // nothing found, continue with OsgiResourceHandler final FacesContext facesContext = FacesContext.getCurrentInstance(); if (workResourceName.charAt(0) == PATH_SEPARATOR) { // If resourceName starts with '/', remove that character because it // does not have any meaning (with and without should point to the // same resource). workResourceName = workResourceName.substring(1); } if (!ResourceValidationUtils.isValidResourceName(workResourceName)) { logger.debug("Invalid resourceName '{}'", workResourceName); return null; } if (libraryName != null && !ResourceValidationUtils.isValidLibraryName(libraryName)) { logger.debug("Invalid libraryName '{}'", libraryName); return null; } final Optional<String> localePrefix = ResourceHandlerUtils.getLocalePrefixForLocateResource(facesContext); // Contract currently not supported: final List<String> contracts = facesContext.getResourceLibraryContracts(); final JsfResourceQuery query = new JsfResourceQuery(localePrefix.orElse(null), libraryName, workResourceName, contentType); final Optional<JsfResourceQueryResult> matchedQueryResult = getServiceAndExecute( service -> matchResources(service, query)); if (matchedQueryResult.isPresent()) { JsfResourceQueryResult queryResult = matchedQueryResult.get(); return new OsgiResource(queryResult.getResourceInformation().getUrl(), queryResult.isMatchedLocalePrefix() ? localePrefix.orElseGet(null) : null, workResourceName, queryResult.getResourceVersion(), libraryName, queryResult.getLibraryVersion(), queryResult.getResourceInformation().getLastModified()); } else { return null; } // inspect final resource for contentType // FIXME deal with content-type // if (contentType == null) // { // try(InputStream is = resourceInfo.getUrl().openConnection().getInputStream()){ // contentType = URLConnection.guessContentTypeFromStream(is); // }catch(IOException e){ // logger.error("Could not determine contentType from url-resource!", e); // } // } }
From source file:ddf.catalog.impl.operations.OperationsCrudSupport.java
void commitAndCleanup(StorageRequest storageRequest, Optional<String> historianTransactionKey, HashMap<String, Path> tmpContentPaths) { if (storageRequest != null) { try {//from www . jav a 2s . c o m sourceOperations.getStorage().commit(storageRequest); historianTransactionKey.ifPresent(historian::commit); } catch (StorageException e) { LOGGER.error("Unable to commit content changes for id: {}", storageRequest.getId(), e); try { sourceOperations.getStorage().rollback(storageRequest); } catch (StorageException e1) { LOGGER.error("Unable to remove temporary content for id: {}", storageRequest.getId(), e1); } finally { try { historianTransactionKey.ifPresent(historian::rollback); } catch (RuntimeException re) { LOGGER.error("Unable to commit versioned items for historian transaction: {}", historianTransactionKey.orElseGet(String::new), re); } } } } tmpContentPaths.values().forEach(path -> FileUtils.deleteQuietly(path.toFile())); tmpContentPaths.clear(); }
From source file:fr.brouillard.oss.jgitver.JGitverModelProcessor.java
private Model provisionModel(Model model, Map<String, ?> options) throws IOException { try {//from ww w .ja v a2s . c om calculateVersionIfNecessary(); } catch (Exception ex) { throw new IOException("cannot build a Model object using jgitver", ex); } Source source = (Source) options.get(ModelProcessor.SOURCE); //logger.debug( "JGitverModelProcessor.provisionModel source="+source ); if (source == null) { return model; } File location = new File(source.getLocation()); //logger.debug( "JGitverModelProcessor.provisionModel location="+location ); if (!location.isFile()) { // their JavaDoc says Source.getLocation "could be a local file path, a URI or just an empty string." // if it doesn't resolve to a file then calling .getParentFile will throw an exception, // but if it doesn't resolve to a file then it isn't under getMultiModuleProjectDirectory, return model; // therefore the model shouldn't be modified. } File relativePath = location.getParentFile().getCanonicalFile(); if (StringUtils.containsIgnoreCase(relativePath.getCanonicalPath(), workingConfiguration.getMultiModuleProjectDirectory().getCanonicalPath())) { workingConfiguration.getNewProjectVersions().put(GAV.from(model.clone()), workingConfiguration.getCalculatedVersion()); if (Objects.nonNull(model.getVersion())) { // TODO evaluate how to set the version only when it was originally set in the pom file model.setVersion(workingConfiguration.getCalculatedVersion()); } if (Objects.nonNull(model.getParent())) { // if the parent is part of the multi module project, let's update the parent version File relativePathParent = new File( relativePath.getCanonicalPath() + File.separator + model.getParent().getRelativePath()) .getParentFile().getCanonicalFile(); if (StringUtils.containsIgnoreCase(relativePathParent.getCanonicalPath(), workingConfiguration.getMultiModuleProjectDirectory().getCanonicalPath())) { model.getParent().setVersion(workingConfiguration.getCalculatedVersion()); } } // we should only register the plugin once, on the main project if (relativePath.getCanonicalPath() .equals(workingConfiguration.getMultiModuleProjectDirectory().getCanonicalPath())) { if (Objects.isNull(model.getBuild())) { model.setBuild(new Build()); } if (Objects.isNull(model.getBuild().getPlugins())) { model.getBuild().setPlugins(new ArrayList<>()); } Optional<Plugin> pluginOptional = model.getBuild().getPlugins().stream() .filter(x -> JGitverUtils.EXTENSION_GROUP_ID.equalsIgnoreCase(x.getGroupId()) && JGitverUtils.EXTENSION_ARTIFACT_ID.equalsIgnoreCase(x.getArtifactId())) .findFirst(); StringBuilder pluginVersion = new StringBuilder(); try (InputStream inputStream = getClass() .getResourceAsStream("/META-INF/maven/" + JGitverUtils.EXTENSION_GROUP_ID + "/" + JGitverUtils.EXTENSION_ARTIFACT_ID + "/pom" + ".properties")) { Properties properties = new Properties(); properties.load(inputStream); pluginVersion.append(properties.getProperty("version")); } catch (IOException ignored) { // TODO we should not ignore in case we have to reuse it logger.warn(ignored.getMessage(), ignored); } Plugin plugin = pluginOptional.orElseGet(() -> { Plugin plugin2 = new Plugin(); plugin2.setGroupId(JGitverUtils.EXTENSION_GROUP_ID); plugin2.setArtifactId(JGitverUtils.EXTENSION_ARTIFACT_ID); plugin2.setVersion(pluginVersion.toString()); model.getBuild().getPlugins().add(plugin2); return plugin2; }); if (Objects.isNull(plugin.getExecutions())) { plugin.setExecutions(new ArrayList<>()); } Optional<PluginExecution> pluginExecutionOptional = plugin.getExecutions().stream() .filter(x -> "verify".equalsIgnoreCase(x.getPhase())).findFirst(); PluginExecution pluginExecution = pluginExecutionOptional.orElseGet(() -> { PluginExecution pluginExecution2 = new PluginExecution(); pluginExecution2.setPhase("verify"); plugin.getExecutions().add(pluginExecution2); return pluginExecution2; }); if (Objects.isNull(pluginExecution.getGoals())) { pluginExecution.setGoals(new ArrayList<>()); } if (!pluginExecution.getGoals().contains(JGitverAttachModifiedPomsMojo.GOAL_ATTACH_MODIFIED_POMS)) { pluginExecution.getGoals().add(JGitverAttachModifiedPomsMojo.GOAL_ATTACH_MODIFIED_POMS); } if (Objects.isNull(plugin.getDependencies())) { plugin.setDependencies(new ArrayList<>()); } Optional<Dependency> dependencyOptional = plugin.getDependencies().stream() .filter(x -> JGitverUtils.EXTENSION_GROUP_ID.equalsIgnoreCase(x.getGroupId()) && JGitverUtils.EXTENSION_ARTIFACT_ID.equalsIgnoreCase(x.getArtifactId())) .findFirst(); dependencyOptional.orElseGet(() -> { Dependency dependency = new Dependency(); dependency.setGroupId(JGitverUtils.EXTENSION_GROUP_ID); dependency.setArtifactId(JGitverUtils.EXTENSION_ARTIFACT_ID); dependency.setVersion(pluginVersion.toString()); plugin.getDependencies().add(dependency); return dependency; }); } try { legacySupport.getSession().getUserProperties().put( JGitverModelProcessorWorkingConfiguration.class.getName(), JGitverModelProcessorWorkingConfiguration.serializeTo(workingConfiguration)); } catch (JAXBException ex) { throw new IOException("unexpected Model serialization issue", ex); } } return model; }
From source file:org.hawkular.inventory.impl.tinkerpop.provider.TitanProvider.java
@Override public RuntimeException translateException(RuntimeException inputException, CanonicalPath affectedPath) { List<ExceptionMapper> exceptionMappers = exceptionMapping.get(inputException.getClass()); if (exceptionMappers != null) { Optional<RuntimeException> firstMatch = exceptionMappers.stream() .filter(mapper -> mapper.getPredicate().test(inputException)).findFirst().map(mapper -> { try { // todo: find the proper ctor based on parameter match // Arrays.stream(mapper.getTargetException().getConstructors()).forEach( // constructor -> { // // Class<?>[] params = constructor.getParameterTypes(); // } // ); return mapper.getTargetException().getConstructor(String.class) .newInstance(inputException.getMessage()); } catch (Exception e) { return inputException; }/*from w w w .j a va 2s.c o m*/ }); if (firstMatch.isPresent()) { return firstMatch.orElseGet(() -> inputException); } } return inputException; }
From source file:com.nestedbird.modules.formparser.FormParse.java
/** * Updates a BaseEntity in the database/* w ww .ja v a 2 s. c o m*/ * * @param value data to edit * @param fieldType type of baseentity * @return edited base entity * @throws JSONException the exception */ private BaseEntity parseBaseEntity(final JSONObject value, final Class fieldType) throws JSONException { final JpaRepository repository = getFieldRepository(fieldType); Optional<BaseEntity> entity = Optional.empty(); if (value.has("id") && (!value.isNull("id"))) { final String id = value.get("id").toString(); entity = Optional.ofNullable((BaseEntity) repository.findOne(id)); } if (!entity.isPresent()) { try { entity = Optional.ofNullable((BaseEntity) Class.forName(fieldType.getName()).newInstance()); } catch (InstantiationException | ClassNotFoundException | IllegalAccessException e1) { logger.info("[FormParse] [parseBaseEntity] Failure To Create Class Instance", e1); } } entity.ifPresent(e -> { final ParameterMapParser parser = new ParameterMapParser(value); parser.loopData((key, data) -> writeToEntity(e, key, data)); repository.saveAndFlush(e); }); return entity.orElseGet(null); }