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:com.eucalyptus.util.async.AsyncExceptions.java

/**
 * Test if the given throwable was caused by a web service error with the specified code.
 *
 * @param throwable The possibly wer service caused throwable.
 * @param code The error code to test for
 * @return True if the throwable was caused by a web service error with the given code
 *//*from   w  w w  .  j ava 2  s. c om*/
public static boolean isWebServiceErrorCode(final Throwable throwable, final String code) {
    boolean codeMatch = false;
    final Optional<AsyncWebServiceError> serviceErrorOption = AsyncExceptions.asWebServiceError(throwable);
    if (serviceErrorOption.isPresent()) {
        codeMatch = code.equals(serviceErrorOption.get().getCode());
    }
    return codeMatch;
}

From source file:ch.ge.ve.offlineadmin.controller.matchers.AdditionalTableViewMatchers.java

@Factory
public static <T> Matcher<Node> hasTableCell(final Matcher<T> contentsMatcher) {
    return new TypeSafeMatcher<Node>(TableView.class) {
        @Override//from w  ww. j  av  a2  s.com
        protected boolean matchesSafely(Node item) {
            NodeFinder nodeFinder = FxAssert.assertContext().getNodeFinder();
            NodeQuery nodeQuery = nodeFinder.from(item);

            Optional<Node> result = nodeQuery.lookup(".table-cell").match(cellWithValue(contentsMatcher))
                    .tryQuery();
            return result.isPresent();
        }

        @Override
        public void describeTo(Description description) {
            description.appendText(TableView.class.getSimpleName()).appendText(" containing ")
                    .appendDescriptionOf(contentsMatcher);
        }

        @Override
        protected void describeMismatchSafely(Node item, Description mismatchDescription) {
            mismatchDescription.appendText("was ").appendValue(item);
        }
    };
}

From source file:de.azapps.mirakel.helper.MirakelModelPreferences.java

@NonNull
public static AccountMirakel getDefaultAccount() {
    final long id = settings.getLong("defaultAccountID", AccountMirakel.getLocal().getId());
    final Optional<AccountMirakel> a = AccountMirakel.get(id);
    if (a.isPresent()) {
        return a.get();
    }/*w ww  .j a  v  a  2 s.  c  om*/
    return AccountMirakel.getLocal();
}

From source file:org.opendaylight.genius.utils.clustering.ClusteringUtils.java

public static Boolean isEntityOwner(EntityOwnershipService entityOwnershipService, Entity entity,
        long sleepBetweenRetries, int retries) {
    while (retries-- > 0) {
        Optional<EntityOwnershipState> entityState = entityOwnershipService.getOwnershipState(entity);
        if (entityState.isPresent()) {
            EntityOwnershipState entityOwnershipState = entityState.get();
            if (entityOwnershipState.hasOwner()) {
                return entityOwnershipState.isOwner();
            }//from   w w w .  j  av  a2 s.  c om
        }
        LOG.trace("EntityOwnershipState for entity type {} is not yet available. {} retries left",
                entity.getType(), retries);
        try {
            Thread.sleep(sleepBetweenRetries);
        } catch (InterruptedException e) {
            break;
        }
    }
    return false;
}

From source file:org.opendaylight.yangtools.yang.data.impl.codec.xml.XmlDocumentUtils.java

public static Optional<DataSchemaNode> findFirstSchema(final QName qname,
        final Iterable<DataSchemaNode> dataSchemaNode) {
    if (dataSchemaNode != null && qname != null) {
        for (DataSchemaNode dsn : dataSchemaNode) {
            if (qname.isEqualWithoutRevision(dsn.getQName())) {
                return Optional.of(dsn);
            } else if (dsn instanceof ChoiceSchemaNode) {
                for (ChoiceCaseNode choiceCase : ((ChoiceSchemaNode) dsn).getCases()) {
                    Optional<DataSchemaNode> foundDsn = findFirstSchema(qname, choiceCase.getChildNodes());
                    if (foundDsn != null && foundDsn.isPresent()) {
                        return foundDsn;
                    }/*from  w  w w .  j  a  v a  2s  .  c o  m*/
                }
            }
        }
    }
    return Optional.absent();
}

From source file:org.onos.yangtools.yang.data.api.schema.tree.StoreTreeNodes.java

/**
 * Finds a node in tree//from  w  w w.j ava2  s . co m
 *
 * @param tree Data Tree
 * @param path Path to the node
 * @return Optional with node if the node is present in tree, {@link Optional#absent()} otherwise.
 */
public static <T extends StoreTreeNode<T>> Optional<T> findNode(final T tree,
        final YangInstanceIdentifier path) {
    Optional<T> current = Optional.<T>of(tree);
    Iterator<PathArgument> pathIter = path.getPathArguments().iterator();
    while (current.isPresent() && pathIter.hasNext()) {
        current = current.get().getChild(pathIter.next());
    }
    return current;
}

From source file:org.sonar.server.computation.measure.MeasureDtoToMeasure.java

private static Measure.NewMeasureBuilder setCommonProperties(Measure.NewMeasureBuilder builder,
        MeasureDto measureDto) {/* w  w  w. ja va2 s .  co m*/
    if (measureDto.getAlertStatus() != null) {
        Optional<Measure.Level> qualityGateStatus = toLevel(measureDto.getAlertStatus());
        if (qualityGateStatus.isPresent()) {
            builder.setQualityGateStatus(
                    new QualityGateStatus(qualityGateStatus.get(), measureDto.getAlertText()));
        }
    }
    if (hasAnyVariation(measureDto)) {
        builder.setVariations(createVariations(measureDto));
    }
    Integer ruleId = measureDto.getRuleId();
    if (ruleId != null) {
        builder.forRule(ruleId);
    }
    return builder;
}

From source file:com.google.errorprone.bugpatterns.CheckReturnValue.java

private static Optional<Boolean> checkEnclosingClasses(MethodSymbol method, VisitorState state) {
    Symbol enclosingClass = enclosingClass(method);
    while (enclosingClass instanceof ClassSymbol) {
        Optional<Boolean> result = shouldCheckReturnValue(enclosingClass, state);
        if (result.isPresent()) {
            return result;
        }/*from   w w  w.j a  v a 2  s. c o  m*/
        enclosingClass = enclosingClass.owner;
    }
    return Optional.absent();
}

From source file:org.opendaylight.controller.xml.codec.XmlDocumentUtils.java

public static final Optional<DataSchemaNode> findFirstSchema(final QName qname,
        final Collection<DataSchemaNode> dataSchemaNode) {
    if (dataSchemaNode != null && !dataSchemaNode.isEmpty() && qname != null) {
        for (final DataSchemaNode dsn : dataSchemaNode) {
            if (qname.isEqualWithoutRevision(dsn.getQName())) {
                return Optional.<DataSchemaNode>of(dsn);
            } else if (dsn instanceof ChoiceSchemaNode) {
                for (final ChoiceCaseNode choiceCase : ((ChoiceSchemaNode) dsn).getCases()) {
                    final Optional<DataSchemaNode> foundDsn = findFirstSchema(qname,
                            choiceCase.getChildNodes());
                    if (foundDsn != null && foundDsn.isPresent()) {
                        return foundDsn;
                    }/*from  w  w w  . jav a 2  s.  com*/
                }
            }
        }
    }
    return Optional.absent();
}

From source file:org.opendaylight.netvirt.natservice.ha.WeightedCentralizedSwitchScheduler.java

public static NaptSwitches getNaptSwitches(DataBroker dataBroker) {
    InstanceIdentifier<NaptSwitches> id = InstanceIdentifier.builder(NaptSwitches.class).build();
    Optional<NaptSwitches> naptSwitches = NatUtil.read(dataBroker, LogicalDatastoreType.CONFIGURATION, id);
    return naptSwitches.isPresent() ? naptSwitches.get() : null;
}