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.netvirt.vpnmanager.utilities.InterfaceUtils.java

public static String getEndpointIpAddressForDPN(DataBroker broker, BigInteger dpnId) {
    String nextHopIp = null;//from w ww  . j av  a2  s  . c o  m
    InstanceIdentifier<DPNTEPsInfo> tunnelInfoId = InstanceIdentifier.builder(DpnEndpoints.class)
            .child(DPNTEPsInfo.class, new DPNTEPsInfoKey(dpnId)).build();
    Optional<DPNTEPsInfo> tunnelInfo = VpnUtil.read(broker, LogicalDatastoreType.CONFIGURATION, tunnelInfoId);
    if (tunnelInfo.isPresent()) {
        List<TunnelEndPoints> nexthopIpList = tunnelInfo.get().getTunnelEndPoints();
        if (nexthopIpList != null && !nexthopIpList.isEmpty()) {
            nextHopIp = new String(nexthopIpList.get(0).getIpAddress().getValue());
        }
    }
    return nextHopIp;
}

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From source file:org.opendaylight.service.impl.activate.driver.ActivateNetconfConnetion.java

public static void readBierConfigFromAllNetconfNodes() {

    Topology topology = null;//  w  ww. java  2  s. co  m
    final ReadOnlyTransaction transaction = dataBroker.newReadOnlyTransaction();
    Optional<Topology> optionalData;
    try {
        optionalData = transaction.read(LogicalDatastoreType.OPERATIONAL, NETCONF_TOPOLOGY_IID).checkedGet();
        if (optionalData.isPresent()) {
            topology = optionalData.get();
        } else {
            LOG.debug("{}: Failed to read {}", Thread.currentThread().getStackTrace()[1], NETCONF_TOPOLOGY_IID);
        }
    } catch (ReadFailedException e) {
        LOG.warn("Failed to read {} ", NETCONF_TOPOLOGY_IID, e);
    }
    transaction.close();

    if (topology == null) {
        LOG.info("No netconf nodes in datastore!!");
        return;
    }

    for (final Node node : topology.getNode()) {
        NetconfNode netconfNode = node.getAugmentation(NetconfNode.class);
        if ((netconfNode.getConnectionStatus() == NetconfNodeConnectionStatus.ConnectionStatus.Connected)
                && (!node.getNodeId().getValue().equals("controller-config"))) {
            bierConfigReader.readBierGlobal(node.getNodeId().getValue());
            LOG.info("Read bier global of {}", node.getNodeId());

        }

    }

}

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From source file:org.opendaylight.yangtools.yang.parser.stmt.rfc6020.effective.CaseShorthandImpl.java

private static ChoiceCaseNode getOriginalIfPresent(final SchemaNode caseShorthandNode) {
    if (caseShorthandNode instanceof DerivableSchemaNode) {
        final Optional<? extends SchemaNode> original = ((DerivableSchemaNode) caseShorthandNode).getOriginal();
        if (original.isPresent()) {
            return new CaseShorthandImpl((DataSchemaNode) original.get());
        }/*w w w.  ja  va  2s .  c  o m*/
    }
    return null;
}

---

From source file:io.crate.planner.consumer.GlobalAggregateConsumer.java

private static Plan globalAggregates(Functions functions, QueriedTableRelation table, ConsumerContext context,
        RowGranularity projectionGranularity) {
    QuerySpec querySpec = table.querySpec();
    if (querySpec.groupBy().isPresent() || !querySpec.hasAggregates()) {
        return null;
    }/*from   ww w . j a va  2  s  . c  o m*/

    Planner.Context plannerContext = context.plannerContext();
    validateAggregationOutputs(table.tableRelation(), querySpec.outputs());
    // global aggregate: collect and partial aggregate on C and final agg on H

    ProjectionBuilder projectionBuilder = new ProjectionBuilder(functions, querySpec);
    SplitPoints splitPoints = projectionBuilder.getSplitPoints();

    AggregationProjection ap = projectionBuilder.aggregationProjection(splitPoints.leaves(),
            splitPoints.aggregates(), Aggregation.Step.ITER, Aggregation.Step.PARTIAL, projectionGranularity);
    RoutedCollectPhase collectPhase = RoutedCollectPhase.forQueriedTable(plannerContext, table,
            splitPoints.leaves(), ImmutableList.of(ap));
    Collect collect = new Collect(collectPhase, TopN.NO_LIMIT, 0, ap.outputs().size(), 1, null);

    //// the handler stuff
    List<Projection> mergeProjections = new ArrayList<>();
    mergeProjections
            .add(projectionBuilder.aggregationProjection(splitPoints.aggregates(), splitPoints.aggregates(),
                    Aggregation.Step.PARTIAL, Aggregation.Step.FINAL, RowGranularity.CLUSTER));

    Optional<HavingClause> havingClause = querySpec.having();
    if (havingClause.isPresent()) {
        HavingClause having = havingClause.get();
        mergeProjections.add(ProjectionBuilder.filterProjection(splitPoints.aggregates(), having));
    }
    Limits limits = plannerContext.getLimits(querySpec);
    TopNProjection topNProjection = ProjectionBuilder.topNProjection(splitPoints.aggregates(), null,
            limits.offset(), limits.finalLimit(), querySpec.outputs());
    mergeProjections.add(topNProjection);
    MergePhase mergePhase = new MergePhase(plannerContext.jobId(), plannerContext.nextExecutionPhaseId(),
            "mergeOnHandler", collectPhase.nodeIds().size(), Collections.emptyList(),
            Symbols.extractTypes(ap.outputs()), mergeProjections, DistributionInfo.DEFAULT_SAME_NODE, null);
    return new Merge(collect, mergePhase, TopN.NO_LIMIT, 0, topNProjection.outputs().size(), 1, null);
}

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

public static <T extends StoreTreeNode<T>> Map.Entry<YangInstanceIdentifier, T> findClosestsOrFirstMatch(
        final T tree, final YangInstanceIdentifier path, final Predicate<T> predicate) {
    Optional<T> parent = Optional.<T>of(tree);
    Optional<T> current = Optional.<T>of(tree);

    int nesting = 0;
    Iterator<PathArgument> pathIter = path.getPathArguments().iterator();
    while (current.isPresent() && pathIter.hasNext() && !predicate.apply(current.get())) {
        parent = current;// w  w  w. j av a  2 s .  c om
        current = current.get().getChild(pathIter.next());
        nesting++;
    }
    if (current.isPresent()) {
        final YangInstanceIdentifier currentPath = YangInstanceIdentifier
                .create(Iterables.limit(path.getPathArguments(), nesting));
        return new SimpleEntry<YangInstanceIdentifier, T>(currentPath, current.get());
    }

    /*
     * Subtracting 1 from nesting level at this point is safe, because we
     * cannot reach here with nesting == 0: that would mean the above check
     * for current.isPresent() failed, which it cannot, as current is always
     * present. At any rate we check state just to be on the safe side.
     */
    Preconditions.checkState(nesting > 0);
    final YangInstanceIdentifier parentPath = YangInstanceIdentifier
            .create(Iterables.limit(path.getPathArguments(), nesting - 1));
    return new SimpleEntry<YangInstanceIdentifier, T>(parentPath, parent.get());
}

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From source file:org.sonar.server.computation.task.projectanalysis.component.ComponentRootBuilder.java

private static String createProjectVersion(ScannerReport.Component component, String projectUuid,
        Function<String, Optional<SnapshotDto>> analysisSupplier) {
    String version = trimToNull(component.getVersion());
    if (version != null) {
        return version;
    }/*from  w  w w.ja  va  2 s . c om*/
    Optional<SnapshotDto> snapshotDto = analysisSupplier.apply(projectUuid);
    if (snapshotDto.isPresent()) {
        return MoreObjects.firstNonNull(snapshotDto.get().getVersion(), DEFAULT_PROJECT_VERSION);
    }
    return DEFAULT_PROJECT_VERSION;
}

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From source file:org.opendaylight.genius.datastoreutils.SingleTransactionDataBroker.java

public static <T extends DataObject> T syncRead(DataBroker broker, LogicalDatastoreType datastoreType,
        InstanceIdentifier<T> path) throws ReadFailedException {

    try (ReadOnlyTransaction tx = broker.newReadOnlyTransaction()) {
        Optional<T> optionalDataObject = tx.read(datastoreType, path).checkedGet();
        if (optionalDataObject.isPresent()) {
            return optionalDataObject.get();
        } else {// w ww.j a  v a 2  s.  c  o  m
            throw new ExpectedDataObjectNotFoundException(datastoreType, path);
        }
    }
}

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From source file:jcomposition.processor.utils.AnnotationUtils.java

private static Optional<AnnotationValue> getParameterFrom(TypeElement typeElement,
        Class<? extends Annotation> annotationClass, String paramName, ProcessingEnvironment env) {
    Optional<AnnotationMirror> annotationMirror = MoreElements.getAnnotationMirror(typeElement,
            annotationClass);/* w  ww  .j a  v  a  2 s. com*/

    if (annotationMirror.isPresent()) {
        AnnotationValue value = getAnnotationValue(annotationMirror.get(), paramName, env);

        return Optional.fromNullable(value);
    }

    return Optional.absent();
}

---

From source file:org.opendaylight.netvirt.vpnmanager.utilities.InterfaceUtils.java

public static Optional<String> getMacAddressForInterface(DataBroker dataBroker, String interfaceName) {
    Optional<String> macAddressOptional = Optional.absent();
    InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId = buildStateInterfaceId(
            interfaceName);//from  www.  j  av  a  2  s.c om
    Optional<Interface> ifStateOptional = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, ifStateId);
    if (ifStateOptional.isPresent()) {
        PhysAddress macAddress = ifStateOptional.get().getPhysAddress();
        if (macAddress != null) {
            macAddressOptional = Optional.of(macAddress.getValue());
        }
    }
    return macAddressOptional;
}

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From source file:org.opendaylight.bier.driver.common.util.DataGetter.java

public static MountPoint getMountPoint(String nodeId, ConfigurationResult result,
        MountPointService mountService) {
    if (mountService == null) {
        LOG.error(result.MOUNT_SERVICE_NULL);
        result.setCfgResult(ConfigurationResult.Result.FAILED);
        result.setFailureReason(result.MOUNT_SERVICE_NULL);
        return null;
    }//from w ww .  j a  v  a 2 s.co  m
    Optional<MountPoint> nodeMountPoint = mountService
            .getMountPoint(IidConstants.NETCONF_TOPO_IID.child(Node.class, new NodeKey(new NodeId(nodeId))));

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

    result.setCfgResult(ConfigurationResult.Result.SUCCESSFUL);
    return nodeMountPoint.get();

}

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