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

Introduction

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

Prototype

@Beta
public abstract T or(Supplier<? extends T> supplier);

Source Link

Document

Returns the contained instance if it is present; supplier.get() otherwise.

Usage

From source file:com.arpnetworking.configuration.BaseConfiguration.java

/**
 * {@inheritDoc}//from  w ww  . j  a  v  a 2s.  co m
 */
@Override
public float getPropertyAsFloat(final String name, final float defaultValue) throws NumberFormatException {
    final Optional<Float> property = getPropertyAsFloat(name);
    return property.or(defaultValue);
}

From source file:com.arpnetworking.configuration.BaseConfiguration.java

/**
 * {@inheritDoc}/*from w w w  . j  a  va 2 s .c o m*/
 */
@Override
public double getPropertyAsDouble(final String name, final double defaultValue) throws NumberFormatException {
    final Optional<Double> property = getPropertyAsDouble(name);
    return property.or(defaultValue);
}

From source file:org.apache.gobblin.runtime.instance.StandardGobblinInstanceLauncher.java

protected StandardGobblinInstanceLauncher(String name, Configurable instanceConf,
        StandardGobblinInstanceDriver.Builder driverBuilder, Optional<MetricContext> metricContext,
        Optional<Logger> log, SharedResourcesBroker<GobblinScopeTypes> instanceBroker) {
    _log = log.or(LoggerFactory.getLogger(getClass()));
    _name = name;//w  w  w.  ja  v a2 s.c  o m
    _instanceConf = instanceConf;
    _driver = driverBuilder.withInstanceEnvironment(this).build();
    _instrumentationEnabled = metricContext.isPresent();
    _metricContext = metricContext.orNull();
    _instanceBroker = instanceBroker;
}

From source file:org.jclouds.azurecompute.arm.compute.strategy.CreateResourcesThenCreateNodes.java

private void generatePasswordIfNoneProvided(Template template) {
    TemplateOptions options = template.getOptions();
    if (options.getLoginPassword() == null) {
        Optional<String> passwordOptional = template.getImage().getDefaultCredentials().getOptionalPassword();
        options.overrideLoginPassword(passwordOptional.or(passwordGenerator.generate()));
    }/*from   w  w w.  j a  va 2  s  . com*/
}

From source file:com.kryptnostic.rhizome.configuration.amazon.AwsLaunchConfiguration.java

@JsonCreator
public AwsLaunchConfiguration(@JsonProperty(BUCKET_FIELD) String bucket,
        @JsonProperty(FOLDER_FIELD) Optional<String> folder,
        @JsonProperty(REGION_FIELD) Optional<String> region) {
    Preconditions.checkArgument(StringUtils.isNotBlank(bucket),
            "S3 bucket for configuration must be specified.");
    this.bucket = bucket;
    String rawFolder = folder.or(DEFAULT_FOLDER);

    while (StringUtils.endsWith(rawFolder, "/")) {
        StringUtils.removeEnd(rawFolder, "/");
    }/*from   w  w w . jav  a 2  s .  c  om*/
    // We shouldn't prefix
    if (StringUtils.isNotBlank(rawFolder)) {
        this.folder = rawFolder + "/";
    } else {
        this.folder = rawFolder;
    }

    this.region = region.isPresent() ? Optional.of(Regions.fromName(region.get())) : Optional.absent();
}

From source file:com.arpnetworking.configuration.BaseConfiguration.java

/**
 * {@inheritDoc}/*ww w. ja  v a 2s. com*/
 */
@Override
public boolean getPropertyAsBoolean(final String name, final boolean defaultValue) {
    final Optional<Boolean> property = getPropertyAsBoolean(name);
    return property.or(defaultValue);
}

From source file:com.arpnetworking.configuration.BaseConfiguration.java

/**
 * {@inheritDoc}/*from  ww w.  j a  va  2 s. c  om*/
 */
@Override
public int getPropertyAsInteger(final String name, final int defaultValue) throws NumberFormatException {
    final Optional<Integer> property = getPropertyAsInteger(name);
    return property.or(defaultValue);
}

From source file:org.jage.platform.config.xml.readers.CollectionDefinitionReader.java

@Override
public CollectionDefinition read(Element element) throws ConfigurationException {
    String nameAttribute = getRequiredAttribute(element, NAME);
    Optional<String> typeAttribute = getOptionalAttribute(element, TYPE);
    Optional<String> isSingletonAttribute = getOptionalAttribute(element, IS_SINGLETON);

    CollectionDefinition definition = new CollectionDefinition(nameAttribute, collectionClass,
            toClass(typeAttribute.or(getDefaultType())),
            toBoolean(isSingletonAttribute.or(getDefaultIsSingleton())));

    for (Element child : getChildrenIncluding(element, REFERENCE, VALUE)) {
        IArgumentDefinition value = argumentReader.read(child);
        definition.addItem(value);/*from  ww  w  .  j  ava 2s . c o  m*/
    }

    // FIXME: Backward compatibility. Remove in future ticket
    for (Element child : getChildrenExcluding(element, REFERENCE, VALUE)) {
        IComponentDefinition innerDefinition = instanceReader.read(child);
        definition.addInnerComponentDefinition(innerDefinition);
    }

    return definition;
}

From source file:org.eclipse.buildship.ui.wizard.project.ProjectImportWizardController.java

private GradleDistributionWrapper createGradleDistribution(Optional<String> gradleDistributionType,
        Optional<String> gradleDistributionConfiguration) {
    DistributionType distributionType = DistributionType
            .valueOf(gradleDistributionType.or(DistributionType.WRAPPER.name()));
    String distributionConfiguration = gradleDistributionConfiguration.orNull();
    return GradleDistributionWrapper.from(distributionType, distributionConfiguration);
}

From source file:org.jmingo.query.QueryManager.java

private AtomicReference<QuerySet> getQuerySetRef(Path path) {
    Optional<AtomicReference<QuerySet>> result = Iterables.tryFind(querySetRegistry,
            querySet -> querySet.get().getPath().equals(path));
    return result.or(new AtomicReference<>(null));
}