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

Introduction

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

Prototype

public abstract boolean isPresent();

Source Link

Document

Returns true if this holder contains a (non-null) instance.

Usage

From source file:org.eclipse.recommenders.utils.rcp.UUIDHelper.java

public static String generateGlobalUUID() {
    final Optional<String> uuid = generateUUIDFromMacAddress();
    if (!uuid.isPresent()) {
        return UUID.randomUUID().toString();
    }// w w  w.  java2 s .  co m
    return uuid.get();
}

From source file:org.opendaylight.faas.fabric.utils.InterfaceManager.java

@SuppressWarnings("unchecked")
public static InstanceIdentifier<TerminationPoint> convFabricPort2DevicePort(DataBroker broker,
        FabricId fabricid, TpId tpid) {/*from  w  ww  . ja  v a2s  .  c  om*/
    InstanceIdentifier<TerminationPoint> iidFPort = MdSalUtils.createFabricPortIId(fabricid, tpid);

    ReadTransaction rt = broker.newReadOnlyTransaction();
    Optional<TerminationPoint> opt = MdSalUtils.syncReadOper(rt, iidFPort);
    if (opt.isPresent()) {
        TerminationPoint tp = opt.get();
        return (InstanceIdentifier<TerminationPoint>) tp.getAugmentation(FabricPortAugment.class)
                .getFportAttribute().getDevicePort().getValue();
    }
    return null;
}

From source file:info.gehrels.voting.OptionalMatchers.java

public static <T> Matcher<Optional<T>> anOptionalWhoseValue(Matcher<? super T> valueMatcher) {
    return new TypeSafeDiagnosingMatcher<Optional<T>>() {
        @Override/*www .jav  a2s  .  co m*/
        protected boolean matchesSafely(Optional<T> optional, Description mismatchDescription) {
            if (!optional.isPresent()) {
                mismatchDescription.appendText("an absent Optional");
                return false;
            }

            T value = optional.get();
            if (!valueMatcher.matches(value)) {
                mismatchDescription.appendText("an Optional whose value ");
                valueMatcher.describeMismatch(value, mismatchDescription);
                return false;
            }

            return true;
        }

        @Override
        public void describeTo(Description description) {
            description.appendText("an Optional whose value ").appendDescriptionOf(valueMatcher);
        }
    };
}

From source file:com.github.jeluard.guayaba.base.Optionals.java

/**
 * @param <T>//from  w w  w .j a v  a  2 s .  c om
 * @param optional
 * @return an {@link Optional} returning encapsulated {@link Optional}
 */
public static <T> Optional<T> flatten(final Optional<Optional<T>> optional) {
    Preconditions.checkNotNull(optional, "null optional");

    if (!optional.isPresent()) {
        return Optional.absent();
    }

    return optional.get();
}

From source file:com.facebook.buck.apple.ApplePlatforms.java

public static AppleCxxPlatform getAppleCxxPlatformForBuildTarget(
        FlavorDomain<CxxPlatform> cxxPlatformFlavorDomain, CxxPlatform defaultCxxPlatform,
        ImmutableMap<Flavor, AppleCxxPlatform> platformFlavorsToAppleCxxPlatforms, BuildTarget target,
        Optional<FatBinaryInfo> fatBinaryInfo) {
    AppleCxxPlatform appleCxxPlatform;/*ww w. ja  va2 s.  c  o m*/
    if (fatBinaryInfo.isPresent()) {
        appleCxxPlatform = fatBinaryInfo.get().getRepresentativePlatform();
    } else {
        CxxPlatform cxxPlatform = getCxxPlatformForBuildTarget(cxxPlatformFlavorDomain, defaultCxxPlatform,
                target);
        appleCxxPlatform = platformFlavorsToAppleCxxPlatforms.get(cxxPlatform.getFlavor());
        if (appleCxxPlatform == null) {
            throw new HumanReadableException("%s: Apple bundle requires an Apple platform, found '%s'", target,
                    cxxPlatform.getFlavor().getName());
        }
    }

    return appleCxxPlatform;
}

From source file:org.apache.gobblin.compliance.utils.ProxyUtils.java

@SafeVarargs
public static HiveProxyQueryExecutor getQueryExecutor(State state, Optional<String>... owners)
        throws IOException {
    List<String> proxies = new ArrayList<>();
    for (Optional<String> owner : owners) {
        if (owner.isPresent()) {
            proxies.add(owner.get());//from   w ww . ja  va2  s  . c  om
        }
    }
    return new HiveProxyQueryExecutor(state, proxies);
}

From source file:org.apache.gobblin.runtime.job_spec.ResolvedJobSpec.java

private static Config resolveConfig(JobSpec jobSpec, JobCatalog catalog)
        throws SpecNotFoundException, JobTemplate.TemplateException {

    Optional<URI> templateURIOpt = jobSpec.getTemplateURI();
    if (templateURIOpt.isPresent()) {
        JobCatalogWithTemplates catalogWithTemplates = new PackagedTemplatesJobCatalogDecorator(catalog);
        JobTemplate template = catalogWithTemplates.getTemplate(templateURIOpt.get());
        return template.getResolvedConfig(jobSpec.getConfig()).resolve();
    } else {//from   ww  w  .ja va 2 s.c  o  m
        return jobSpec.getConfig().resolve();
    }

}

From source file:com.mycelium.wallet.BitcoinUriWithAddress.java

public static Optional<BitcoinUriWithAddress> parseWithAddress(String uri, NetworkParameters network) {
    Optional<? extends BitcoinUri> bitcoinUri = BitcoinUri.parse(uri, network);
    if (!bitcoinUri.isPresent()) {
        return Optional.absent();
    }//from   w ww  . jav a2  s.  co m
    return fromBitcoinUri(bitcoinUri.get());
}

From source file:org.apache.gobblin.compliance.utils.ProxyUtils.java

public static FileSystem getOwnerFs(State state, Optional<String> owner) throws IOException {
    if (owner.isPresent()) {
        state.setProp(ComplianceConfigurationKeys.GOBBLIN_COMPLIANCE_PROXY_USER, owner.get());
    }//from w ww . j  av a  2  s  .com
    ProxyUtils.setProxySettingsForFs(state);
    return WriterUtils.getWriterFs(state);
}

From source file:li.klass.fhem.adapter.devices.core.generic.detail.actions.devices.MAXDetailActionProvider.java

private static boolean supportsHeating(XmlListDevice xmlListDevice) {
    Optional<String> mode = xmlListDevice.getState(MODE_STATE_NAME);
    return mode.isPresent() && MAXMode.modeFor(mode.get()).isPresent();
}