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

Introduction

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

Prototype

@Nullable
public abstract T orNull();

Source Link

Document

Returns the contained instance if it is present; null otherwise.

Usage

From source file:org.opendaylight.netvirt.vpnmanager.api.intervpnlink.InterVpnLinkDataComposite.java

public String getEndpointIpAddr(String vpnUuid) {
    if (!isFirstEndpointVpnName(vpnUuid) && !isSecondEndpointVpnName(vpnUuid)) {
        LOG.debug("VPN {} does not participate in InterVpnLink {}", vpnUuid, getInterVpnLinkName());
        return null;
    }//from w w  w. jav  a 2  s. co m

    Optional<String> optEndpointIpAddr = isFirstEndpointVpnName(vpnUuid) ? getFirstEndpointIpAddr()
            : getSecondEndpointIpAddr();
    return optEndpointIpAddr.orNull();
}

From source file:org.geogit.osm.map.internal.OSMUnmapOp.java

@Override
public RevTree call() {

    Iterator<NodeRef> iter = command(LsTreeOp.class).setReference(path).setStrategy(Strategy.FEATURES_ONLY)
            .call();/*from ww  w.  ja va2s  .co m*/

    FeatureMapFlusher flusher = new FeatureMapFlusher(getWorkTree());
    while (iter.hasNext()) {
        NodeRef node = iter.next();
        RevFeature revFeature = command(RevObjectParse.class).setObjectId(node.objectId())
                .call(RevFeature.class).get();
        RevFeatureType revFeatureType = command(RevObjectParse.class).setObjectId(node.getMetadataId())
                .call(RevFeatureType.class).get();
        List<PropertyDescriptor> descriptors = revFeatureType.sortedDescriptors();
        ImmutableList<Optional<Object>> values = revFeature.getValues();
        SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(
                (SimpleFeatureType) revFeatureType.type());
        String id = null;
        for (int i = 0; i < descriptors.size(); i++) {
            PropertyDescriptor descriptor = descriptors.get(i);
            if (descriptor.getName().getLocalPart().equals("id")) {
                id = values.get(i).get().toString();
            }
            Optional<Object> value = values.get(i);
            featureBuilder.set(descriptor.getName(), value.orNull());
        }
        Preconditions.checkNotNull(id, "No 'id' attribute found");
        SimpleFeature feature = featureBuilder.buildFeature(id);
        unmapFeature(feature, flusher);

    }
    flusher.flushAll();
    return getWorkTree().getTree();

}

From source file:ezbake.deployer.configuration.EzDeployerConfiguration.java

/**
 * Get a configuration value as a String.
 *//*  w w  w  .  ja va  2  s. c om*/
private String getString(Key key) {
    Optional<String> val = get(key);
    return val.orNull();
}

From source file:org.sonar.server.qualityprofile.RuleActivatorContextFactory.java

private void initActiveRules(String profileKey, RuleKey ruleKey, RuleActivatorContext context,
        DbSession session, boolean parent) {
    ActiveRuleKey key = ActiveRuleKey.of(profileKey, ruleKey);
    Optional<ActiveRuleDto> activeRule = db.activeRuleDao().selectByKey(session, key);
    Collection<ActiveRuleParamDto> activeRuleParams = null;
    if (activeRule.isPresent()) {
        activeRuleParams = db.activeRuleDao().selectParamsByActiveRuleId(session, activeRule.get().getId());
    }/*from   ww w.j ava 2 s  .  co m*/
    if (parent) {
        context.setParentActiveRule(activeRule.orNull());
        context.setParentActiveRuleParams(activeRuleParams);
    } else {
        context.setActiveRule(activeRule.orNull());
        context.setActiveRuleParams(activeRuleParams);
    }
}

From source file:org.eclipse.buildship.ui.launch.GradleDistributionTab.java

@Override
public boolean isValid(ILaunchConfiguration launchConfig) {
    if (!this.useAutomaticOption.getSelection()) {
        GradleDistributionWrapper gradleDistribution = getSelection();
        Optional<String> error = this.gradleDistributionValidator.validate(gradleDistribution);
        setErrorMessage(error.orNull());
        return !error.isPresent();
    } else {//from  ww  w.  j  av  a  2 s. c o m
        return true;
    }
}

From source file:org.apache.aurora.scheduler.storage.log.WriteAheadStorage.java

@Override
public void saveJobUpdate(IJobUpdate update, Optional<String> lockToken) {
    requireNonNull(update);/*from w ww.j  a v a 2s . com*/

    write(Op.saveJobUpdate(new SaveJobUpdate(update.newBuilder(), lockToken.orNull())));
    jobUpdateStore.saveJobUpdate(update, lockToken);
}

From source file:com.codebullets.sagalib.processing.SagaKeyReaderExtractor.java

/**
 * Does not throw an exception when accessing the loading cache for key readers.
 *///from ww  w  . j a va  2  s .co  m
private KeyReader tryGetKeyReader(final Class<? extends Saga> sagaClazz, final Object message) {
    KeyReader reader;

    try {
        Optional<KeyReader> cachedReader = knownReaders.get(SagaMessageKey.forMessage(sagaClazz, message),
                () -> {
                    KeyReader foundReader = findReader(sagaClazz, message);
                    return Optional.fromNullable(foundReader);
                });
        reader = cachedReader.orNull();
    } catch (Exception ex) {
        LOG.error("Error searching for reader to extract saga key. sagatype = {}, message = {}", sagaClazz,
                message, ex);
        reader = null;
    }

    return reader;
}

From source file:org.robotninjas.barge.log.DefaultRaftLog.java

public void updateVotedFor(@Nonnull Optional<Replica> vote) {

    LOGGER.debug("Voting for {}", vote.orNull());

    setLastVotedFor(vote);/*ww w.  j av  a  2s . c  om*/

    try {
        LogProto.Vote.Builder voteBuilder = LogProto.Vote.newBuilder();

        if (vote.isPresent()) {
            voteBuilder.setVotedFor(vote.get().toString());
        }

        LogProto.JournalEntry entry = LogProto.JournalEntry.newBuilder().setVote(voteBuilder).build();

        journal.write(entry.toByteArray(), WriteType.SYNC);
    } catch (IOException e) {
        Throwables.propagate(e);
    }
}

From source file:pt.ist.maidSyncher.domain.dsi.DSIMilestone.java

public ACMilestone getAcMilestone(final ACProject acProject) {
    Optional<ACMilestone> optionalMilestone = Iterables.tryFind(getAcMilestonesSet(),
            new Predicate<ACMilestone>() {
                @Override// ww w  . java2 s.  c  om
                public boolean apply(ACMilestone input) {
                    if (input == null)
                        return false;
                    return ObjectUtils.equals(input.getProject(), acProject);
                }
            });
    return optionalMilestone.orNull();
}

From source file:org.geogit.cli.porcelain.Conflicts.java

private void printConflictDiff(Conflict conflict, ConsoleReader console, GeoGIT geogit) throws IOException {
    FullDiffPrinter diffPrinter = new FullDiffPrinter(false, true);
    console.println("---" + conflict.getPath() + "---");
    ObjectId mergeHeadId = geogit.command(RefParse.class).setName(Ref.MERGE_HEAD).call().get().getObjectId();
    Optional<RevCommit> mergeHead = geogit.command(RevObjectParse.class).setObjectId(mergeHeadId)
            .call(RevCommit.class);
    ObjectId origHeadId = geogit.command(RefParse.class).setName(Ref.ORIG_HEAD).call().get().getObjectId();
    Optional<RevCommit> origHead = geogit.command(RevObjectParse.class).setObjectId(origHeadId)
            .call(RevCommit.class);
    Optional<RevCommit> commonAncestor = geogit.command(FindCommonAncestor.class).setLeft(mergeHead.get())
            .setRight(origHead.get()).call();
    String ancestorPath = commonAncestor.get().getId().toString() + ":" + conflict.getPath();
    Optional<NodeRef> ancestorNodeRef = geogit.command(FeatureNodeRefFromRefspec.class).setRefspec(ancestorPath)
            .call();//from w w w .  j  ava 2 s. c  om
    String path = Ref.ORIG_HEAD + ":" + conflict.getPath();
    Optional<NodeRef> oursNodeRef = geogit.command(FeatureNodeRefFromRefspec.class).setRefspec(path).call();
    DiffEntry diffEntry = new DiffEntry(ancestorNodeRef.orNull(), oursNodeRef.orNull());
    console.println("Ours");
    diffPrinter.print(geogit, console, diffEntry);
    path = Ref.MERGE_HEAD + ":" + conflict.getPath();
    Optional<NodeRef> theirsNodeRef = geogit.command(FeatureNodeRefFromRefspec.class).setRefspec(path).call();
    diffEntry = new DiffEntry(ancestorNodeRef.orNull(), theirsNodeRef.orNull());
    console.println("Theirs");
    diffPrinter.print(geogit, console, diffEntry);

}