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.opendaylight.bier.driver.common.util.DataGetter.java

public static DataBroker getDataBroker(String nodeId, ConfigurationResult result,
        MountPointService mountService) {

    MountPoint mountPoint = getMountPoint(nodeId, result, mountService);

    if (mountPoint == null) {
        return null;
    }//from   w w w  . j ava2  s .  co m

    Optional<DataBroker> nodeBroker = mountPoint.getService(DataBroker.class);

    if (!nodeBroker.isPresent()) {
        LOG.error(ConfigurationResult.DATA_BROKER_FAILUE + nodeId);
        result.setCfgResult(ConfigurationResult.Result.FAILED);
        result.setFailureReason(ConfigurationResult.DATA_BROKER_FAILUE + nodeId);
        return null;

    }
    result.setCfgResult(ConfigurationResult.Result.SUCCESSFUL);
    return nodeBroker.get();

}

From source file:org.opendaylight.mdsal.dom.spi.RpcRoutingStrategy.java

public static RpcRoutingStrategy from(final RpcDefinition rpc) {
    ContainerSchemaNode input = rpc.getInput();
    if (input != null) {
        for (DataSchemaNode schemaNode : input.getChildNodes()) {
            Optional<QName> context = getRoutingContext(schemaNode);
            if (context.isPresent()) {
                return new RoutedRpcStrategy(rpc.getQName(), context.get(), schemaNode.getQName());
            }/*from w w  w .  j  av a  2 s .c om*/
        }
    }
    return new GlobalRpcStrategy(rpc.getQName());
}

From source file:com.google.devtools.build.xcode.xcodegen.testing.PbxTypes.java

/**
 * Converts a PBX file reference to its domain equivalent.
 *///from ww  w  .  j a  va2 s.co  m
public static FileReference fileReference(PBXReference reference) {
    FileReference fileReference = FileReference.of(reference.getName(), reference.getPath(),
            reference.getSourceTree());
    if (reference instanceof PBXFileReference) {
        Optional<String> explicitFileType = ((PBXFileReference) reference).getExplicitFileType();
        if (explicitFileType.isPresent()) {
            return fileReference.withExplicitFileType(explicitFileType.get());
        }
    }
    return fileReference;
}

From source file:com.complexible.common.base.Optionals.java

public static <T> T require(final Optional<T> theOptional, final String theMsg)
        throws IllegalArgumentException {
    if (theOptional.isPresent()) {
        return theOptional.get();
    }/*w  w  w .j  a  v  a2  s  .  c  o  m*/

    throw new IllegalArgumentException(theMsg);
}

From source file:org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.date.BeamSqlIntervalMultiplyExpression.java

/**
 * Output type is null if no operands found with matching types. Execution will later fail when
 * calling accept()//from   ww w .  j  a v a2 s. c  om
 */
private static SqlTypeName deduceOutputType(List<BeamSqlExpression> operands) {
    Optional<BeamSqlExpression> intervalOperand = findExpressionOfType(operands, SqlTypeName.INTERVAL_TYPES);

    return intervalOperand.isPresent() ? intervalOperand.get().getOutputType() : null;
}

From source file:dagger2.internal.codegen.MethodSignatureFormatter.java

private static void appendParameter(StringBuilder builder, VariableElement parameter, TypeMirror type) {
    Optional<AnnotationMirror> qualifier = InjectionAnnotations.getQualifier(parameter);
    if (qualifier.isPresent()) {
        builder.append(ErrorMessages.format(qualifier.get())).append(' ');
    }//from ww w.java 2s  .c o m
    builder.append(nameOfType(type));
}

From source file:org.opennms.newts.rest.Transform.java

static Optional<Duration> toDuration(Optional<DurationParam> value) {
    return value.isPresent() ? Optional.of(value.get().get()) : Optional.<Duration>absent();
}

From source file:google.registry.flows.FlowReporter.java

/**
 * Returns the set of unique results of {@link #extractTld} applied to each given domain name,
 * excluding any absent results (i.e. cases where no TLD was detected).
 *///from   ww  w. j a v  a  2 s  .  c  o m
private static final ImmutableSet<String> extractTlds(Iterable<String> domainNames) {
    ImmutableSet.Builder<String> set = new ImmutableSet.Builder<>();
    for (String domainName : domainNames) {
        Optional<String> extractedTld = extractTld(domainName);
        if (extractedTld.isPresent()) {
            set.add(extractedTld.get());
        }
    }
    return set.build();
}

From source file:springfox.bean.validators.plugins.BeanValidators.java

@VisibleForTesting
static <T extends Annotation> Optional<T> annotationFrom(AnnotatedMember nullableMember,
        Class<T> annotationType) {

    Optional<AnnotatedMember> member = Optional.fromNullable(nullableMember);
    Optional<T> notNull = Optional.absent();
    if (member.isPresent()) {
        notNull = FluentIterable.from(member.get().annotations()).filter(annotationType).first();
    }//from  www . j ava2 s . co  m
    return notNull;
}

From source file:org.anhonesteffort.flock.sync.key.KeySyncUtil.java

private static Optional<HidingCalDavCollection> getKeyCollection(Context context, DavAccount account)
        throws PropertyParseException, DavException, IOException {
    HidingCalDavStore store = DavAccountHelper.getHidingCalDavStore(context, account, null);
    Optional<String> calendarHomeSet = store.getCalendarHomeSet();
    if (calendarHomeSet.isPresent())
        return store.getCollection(calendarHomeSet.get().concat(PATH_KEY_COLLECTION));

    return Optional.absent();
}