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.apache.gobblin.source.extractor.extract.google.GoogleCommon.java

private static FileSystem getFileSystem(Optional<String> fsUri) throws IOException {
    if (fsUri.isPresent()) {
        return FileSystem.get(URI.create(fsUri.get()), new Configuration());
    }/*  w  w w. j  av a2s.c om*/
    return FileSystem.get(new Configuration());
}

From source file:org.eclipse.viatra.addon.querybasedfeatures.runtime.QueryBasedFeatureSetup.java

private static Set<EStructuralFeature> initializeFeatures(Notifier rootNotifier,
        QueryBasedFeatureSettingDelegateFactory qbfFactory, Set<EStructuralFeature> qbfFeatures) {
    Set<EStructuralFeature> initializedQBFFeatures = Sets.newHashSet();
    for (EStructuralFeature eStructuralFeature : qbfFeatures) {
        Optional<QueryBasedFeatureSettingDelegate> optional = qbfFactory.getSettingDelegate(eStructuralFeature);
        if (optional.isPresent()) {
            QueryBasedFeatureSettingDelegate delegate = optional.get();
            delegate.initializeSettingDelegate(rootNotifier);
            initializedQBFFeatures.add(eStructuralFeature);
        }/*from   ww  w .  ja  va  2  s .c o m*/
    }
    return initializedQBFFeatures;
}

From source file:com.google.errorprone.bugpatterns.threadsafety.AbstractLockMethodChecker.java

private static Optional<ImmutableSet<GuardedByExpression>> parseLockExpressions(List<String> lockExpressions,
        Tree tree, VisitorState state) {
    ImmutableSet.Builder<GuardedByExpression> builder = ImmutableSet.builder();
    for (String lockExpression : lockExpressions) {
        Optional<GuardedByExpression> guard = GuardedByBinder.bindString(lockExpression,
                GuardedBySymbolResolver.from(tree, state));
        if (!guard.isPresent()) {
            return Optional.absent();
        }/*from   w  w w  . j  a  v  a  2 s.c  o m*/
        builder.add(guard.get());
    }
    return Optional.of(builder.build());
}

From source file:io.mesosphere.mesos.util.ProtoUtils.java

@NotNull
public static Optional<String> resourceValueRole(@NotNull final Optional<Resource> resource) {
    if (resource.isPresent()) {
        return Optional.of(resource.get().getRole());
    } else {/*  w  w  w  .j  a va 2  s  .co m*/
        return Optional.absent();
    }
}

From source file:io.mesosphere.mesos.util.ProtoUtils.java

@NotNull
public static TreeSet<Long> resourceValueRange(@NotNull final Optional<Resource> resource) {
    if (resource.isPresent()) {
        return resourceValueRange(resource.get());
    } else {//from w w w .ja v a2 s .  c  o  m
        return newTreeSet();
    }
}

From source file:de.azapps.mirakel.model.tags.Tag.java

@NonNull
public static Tag newTag(final String name, final boolean dark, final int color) {
    final Optional<Tag> t = getByName(name);
    if (t.isPresent()) {
        return t.get();
    }// w w  w. ja  v  a 2 s  .com
    final ContentValues cv = new ContentValues();
    cv.put(ModelBase.NAME, name);
    cv.put(DARK_TEXT, dark);
    cv.put(BACKGROUND_COLOR, color);
    final long id = insert(URI, cv);
    return get(id).get();
}

From source file:org.opendaylight.vpnservice.utilities.InterfaceUtils.java

public static String getEndpointIpAddressForDPN(DataBroker broker, BigInteger dpnId) {
    String nextHopIp = null;//from w  w  w.  j av  a  2s.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 = nexthopIpList.get(0).getIpAddress().getIpv4Address().getValue();
        }
    }
    return nextHopIp;
}

From source file:org.opendaylight.vpnservice.utilities.InterfaceUtils.java

public static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface getInterfaceStateFromOperDS(
        DataBroker dataBroker, String interfaceName) {
    InstanceIdentifier<org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.state.Interface> ifStateId = buildStateInterfaceId(
            interfaceName);//w w  w.  j a  v  a 2  s.co  m
    Optional<Interface> ifStateOptional = VpnUtil.read(dataBroker, LogicalDatastoreType.OPERATIONAL, ifStateId);
    if (ifStateOptional.isPresent()) {
        return ifStateOptional.get();
    }

    return null;
}

From source file:org.opendaylight.netconf.mdsal.connector.MdsalNetconfOperationServiceFactory.java

static Set<Capability> transformCapabilities(final SchemaContext currentContext,
        final SchemaSourceProvider<YangTextSchemaSource> rootSchemaSourceProviderDependency) {
    final Set<Capability> capabilities = new HashSet<>();

    // Added by netconf-impl by default
    //        capabilities.add(new BasicCapability("urn:ietf:params:netconf:capability:candidate:1.0"));

    final Set<Module> modules = currentContext.getModules();
    for (final Module module : modules) {
        Optional<YangModuleCapability> cap = moduleToCapability(module, rootSchemaSourceProviderDependency);
        if (cap.isPresent()) {
            capabilities.add(cap.get());
        }/*  w  ww.j  av  a  2  s.  c  o m*/
        for (final Module submodule : module.getSubmodules()) {
            cap = moduleToCapability(submodule, rootSchemaSourceProviderDependency);
            if (cap.isPresent()) {
                capabilities.add(cap.get());
            }
        }
    }

    return capabilities;
}

From source file:ec.nbdemetra.spreadsheet.SpreadsheetProviderBuddy.java

private static SpreadSheetCollection.AlignType getAlignType(DataSet dataSet) {
    Optional<SpreadSheetProvider> p = TsProviders.lookup(SpreadSheetProvider.class, SpreadSheetProvider.SOURCE);
    if (p.isPresent()) {
        try {/*from  w  w w  .j  av  a2s  .  co  m*/
            return p.get().getSeries(dataSet).alignType;
        } catch (IOException ex) {
            // TODO: log this?
        }
    }
    return SpreadSheetCollection.AlignType.UNKNOWN;
}