Example usage for com.google.common.base Optional of

Introduction

In this page you can find the example usage for com.google.common.base Optional of.

Prototype

public static <T> Optional<T> of(T reference)

Source Link

Document

Returns an Optional instance containing the given non-null reference.

Usage

From source file:info.rynkowski.hamsterclient.data.repository.datasources.dbus.entities.mapper.DbusFactMapper.java

public @Nonnull Fact transform(@Nonnull DbusFact dbusFact) {
    Calendar startTime = dbusFact.getStartTime().getCalendar();

    Optional<Calendar> endTime = Optional.absent();
    if (dbusFact.getEndTime().isPresent()) {
        endTime = Optional.of(dbusFact.getEndTime().get().getCalendar());
    }//  w  w  w.j av  a  2s  .  co m

    return new Fact.Builder() //
            .id(dbusFact.getId()).activity(dbusFact.getActivity()).category(dbusFact.getCategory())
            .startTime(startTime).endTime(endTime).description(dbusFact.getDescription())
            .tags(dbusFact.getTags()).build();
}

From source file:eu.project.ttc.models.WordBuilder.java

public WordBuilder(Word word) {
    super();
    this.word = Optional.of(word);
}

From source file:com.dangdang.ddframe.rdb.sharding.jdbc.fixture.MockRowSetResultSet.java

@Override
protected Optional<? extends ResultSetRow> nextRow() throws SQLException {
    if (resultSet.next()) {
        return Optional.of(new AbstractResultSetRow(resultSet) {
        });//from ww w.j  a  v a 2 s .  com
    }
    return Optional.absent();
}

From source file:org.eclipse.emf.compare.ide.ui.internal.logical.resolver.ResourceDependencyFoundEvent.java

/**
 * Returns the URI of the {@code parent} object causing this dependency, if it is the actual owner of the
 * dependency./*w  ww .  ja  v  a2s.c o m*/
 * <p>
 * The {@code parent} object is the actual owner if the {@code feature} through which the {@code parent}
 * object refers to the dependency is a {@link EReference#isContainment() containment reference}.
 * </p>
 * 
 * @param parent
 *            The object in the source causing the dependency
 * @param feature
 *            The feature through which the parent causes the dependency
 * @return the URI of the parent if it is the owner of the dependency, otherwise {@link Optional#absent()}
 */
private static Optional<URI> getParentUriIfContainmentReference(EObject parent, EStructuralFeature feature) {
    if (feature instanceof EReference && ((EReference) feature).isContainment()) {
        return Optional.of(getUri(parent));
    }
    return Optional.absent();
}

From source file:com.github.rinde.rinsim.examples.demo.factory.AGV.java

@Override
protected void tickImpl(TimeLapse time) {
    if (!time.hasTimeLeft()) {
        return;//from  ww w.  j a  va  2 s  .c  om
    }
    if (!destination.isPresent()) {
        final Box closest = agvModel.get().nextDestination();
        if (closest != null) {
            destination = Optional.of(closest);
        }
    }

    if (destination.isPresent()) {
        if (getRoadModel().equalPosition(this, destination.get())) {
            getPDPModel().pickup(this, destination.get(), time);
        } else if (getPDPModel().getContents(this).contains(destination.get())) {
            if (getRoadModel().getPosition(this).equals(destination.get().getDeliveryLocation())) {
                getPDPModel().deliver(this, destination.get(), time);
                destination = Optional.absent();
            } else {
                getRoadModel().moveTo(this, destination.get().getDeliveryLocation(), time);
            }
        } else {
            if (getRoadModel().containsObject(destination.get())) {
                getRoadModel().moveTo(this, destination.get(), time);
            } else {
                destination = Optional.absent();
            }
        }
    }
}

From source file:org.apache.gobblin.data.management.conversion.hive.entities.TableLikeStageableTableMetadata.java

public TableLikeStageableTableMetadata(Table referenceTable, String destinationDB, String destinationTableName,
        String targetDataPath) {//w w w  . ja v  a 2  s.  com
    super(destinationTableName, destinationTableName + "_STAGING", destinationDB, targetDataPath,
            getTableProperties(referenceTable), new ArrayList<>(), Optional.of(referenceTable.getNumBuckets()),
            new Properties(), false, Optional.absent(), new ArrayList<>());
}

From source file:com.fizzed.ninja.rocker.NinjaRockerFactoryImpl.java

@Override
public DefaultNinjaRocker create(NinjaProperties ninjaProperties, Router router, Messages messages,
        Lang ninjaLang, Context context, Result result) {

    String lang = null;//www  . j a va  2 s  .c om
    Map<String, String> session;
    Map<String, String> flash;
    Locale locale;
    String contextPath;

    // set language from framework
    Optional<String> language = ninjaLang.getLanguage(context, Optional.of(result));
    if (language.isPresent()) {
        lang = language.get();
    }

    Optional<String> requestLang = ninjaLang.getLanguage(context, Optional.of(result));

    locale = ninjaLang.getLocaleFromStringOrDefault(requestLang);

    // put all entries of the session cookie to the map.
    // You can access the values by their key in the cookie
    // For eg: @session.get("key")
    if (context.getSession() != null && !context.getSession().isEmpty()) {
        session = context.getSession().getData();
    } else {
        session = Collections.EMPTY_MAP;
    }

    contextPath = context.getContextPath();

    // flash code copied directly from ninja.template.TemplateEngineFreemarker
    // maybe we can get Ninja project to move it into a helper class eventually...
    // this is a convenience way of allowing flash messages to be translated
    flash = Maps.newHashMap();

    if (context.getFlashScope() != null) {
        for (Map.Entry<String, String> entry : context.getFlashScope().getCurrentFlashCookieData().entrySet()) {

            String messageValue = null;

            Optional<String> messageValueOptional = messages.get(entry.getValue(), context,
                    Optional.of(result));

            if (!messageValueOptional.isPresent()) {
                messageValue = entry.getValue();
            } else {
                messageValue = messageValueOptional.get();
            }

            // new way
            flash.put(entry.getKey(), messageValue);
        }
    }

    return new DefaultNinjaRocker(ninjaProperties, router, messages, result, locale, context, contextPath, lang,
            session, flash);
}

From source file:com.facebook.buck.java.JavaBuckConfig.java

public JavaCompilerEnvironment getJavaCompilerEnvironment(ProcessExecutor processExecutor) {
    Optional<Path> javac = getJavac();
    Optional<JavacVersion> javacVersion = Optional.absent();
    if (javac.isPresent()) {
        javacVersion = Optional.of(getJavacVersion(processExecutor, javac.get()));
    }/*w w w.ja v  a 2 s.  c om*/
    Optional<String> sourceLevel = delegate.getValue("java", "source_level");
    Optional<String> targetLevel = delegate.getValue("java", "target_level");
    return new JavaCompilerEnvironment(javac, javacVersion, sourceLevel.or(TARGETED_JAVA_VERSION),
            targetLevel.or(TARGETED_JAVA_VERSION));
}

From source file:org.opendaylight.controller.config.yangjmxgenerator.plugin.java.GeneratedObject.java

public Optional<Entry<FullyQualifiedName, File>> persist(File srcDirectory, boolean overwrite)
        throws IOException {
    File dstFile = fqn.toFile(srcDirectory);
    if (overwrite || !dstFile.exists()) {
        Files.createParentDirs(dstFile);
        Files.touch(dstFile);//from  w ww .j a  v  a 2 s . co  m
        Files.write(content, dstFile, StandardCharsets.UTF_8);
        return Optional.of(Maps.immutableEntry(fqn, dstFile));
    } else {
        return Optional.absent();
    }
}

From source file:nebula.plugin.metrics.dispatcher.RestMetricsDispatcher.java

public RestMetricsDispatcher(MetricsPluginExtension extension) {
    super(extension, true);
    buildId = Optional.of(UUID.randomUUID().toString());
}