Example usage for com.google.common.collect Iterables getOnlyElement

List of usage examples for com.google.common.collect Iterables getOnlyElement

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Introduction

In this page you can find the example usage for com.google.common.collect Iterables getOnlyElement.

Prototype

public static <T> T getOnlyElement(Iterable<T> iterable)

Source Link

Document

Returns the single element contained in iterable .

Usage

From source file:com.opengamma.financial.analytics.model.credit.isda.cdsoption.ISDACreditDefaultSwapOptionParallelCS01Function.java

@Override
protected Set<ComputedValue> getComputedValue(final CreditDefaultSwapOptionDefinition definition,
        final ISDADateCurve yieldCurve, final double vol, final ZonedDateTime[] calibrationTenors,
        final double[] marketSpreads, final HazardRateCurve hazardRateCurve, final ZonedDateTime valuationTime,
        final ComputationTarget target, final ValueProperties properties) {
    final Double spreadCurveBump = Double.valueOf(Iterables.getOnlyElement(
            properties.getValues(CreditInstrumentPropertyNamesAndValues.PROPERTY_SPREAD_CURVE_BUMP)));
    final SpreadBumpType spreadBumpType = SpreadBumpType.valueOf(Iterables.getOnlyElement(
            properties.getValues(CreditInstrumentPropertyNamesAndValues.PROPERTY_SPREAD_BUMP_TYPE)));
    final double cs01 = CALCULATOR.getCS01ParallelShiftCreditDefaultSwapOption(valuationTime, definition, vol,
            yieldCurve, hazardRateCurve, calibrationTenors, marketSpreads, spreadCurveBump, spreadBumpType);
    final ValueSpecification spec = new ValueSpecification(ValueRequirementNames.CS01, target.toSpecification(),
            properties);/*from w  w w  .j  ava 2s.  co m*/
    return Collections.singleton(new ComputedValue(spec, cs01));
}

From source file:ai.grakn.graql.internal.reasoner.query.ReasonerQueries.java

/**
 * create a reasoner query from provided list of atoms
 * NB: atom constraints (types and predicates, if any) will be included in the query
 * @param as list of atoms that define the query
 * @param tx corresponding transaction/*from w  w w  .  j ava  2s. c om*/
 * @return reasoner query defined by the provided list of atoms together with their constraints (types and predicates, if any)
 */
public static ReasonerQueryImpl create(List<Atom> as, GraknTx tx) {
    boolean isAtomic = as.size() == 1;
    return isAtomic ? new ReasonerAtomicQuery(Iterables.getOnlyElement(as)).inferTypes()
            : new ReasonerQueryImpl(as, tx).inferTypes();
}

From source file:com.cloudera.exhibit.etl.tbl.PercentileTbl.java

public PercentileTbl(Map<String, String> values, Map<String, Object> options) {
    if (values.size() != 1) {
        throw new IllegalArgumentException("PERCENTILE must have exactly one input value");
    }// w  w  w.  j a v  a  2  s  . c o  m
    if (options.get(PERCENTILES_OPTION) == null) {
        throw new IllegalArgumentException(
                "PERCENTILE must have an integer list named 'percentiles' in its options");
    }
    Map.Entry<String, String> e = Iterables.getOnlyElement(values.entrySet());
    this.obsKey = e.getKey();
    this.outKey = e.getValue();
    this.percentiles = Lists.newArrayList();
    for (Object o : (List) options.get(PERCENTILES_OPTION)) {
        int p = Integer.valueOf(o.toString());
        if (p < 0 || p > 100) {
            throw new IllegalArgumentException(
                    "percentiles must be integer values between 0 and 100, found: " + p);
        }
    }
    this.binCount = options.containsKey("bins") ? Integer.valueOf(options.get("bins").toString()) : 10000;
}

From source file:com.opengamma.financial.analytics.model.credit.isda.cdsoption.ISDACreditDefaultSwapOptionParallelIR01Function.java

@Override
protected Set<ComputedValue> getComputedValue(final CreditDefaultSwapOptionDefinition definition,
        final ISDADateCurve yieldCurve, final double vol, final ZonedDateTime[] calibrationTenors,
        final double[] marketSpreads, final HazardRateCurve hazardRateCurve, final ZonedDateTime valuationTime,
        final ComputationTarget target, final ValueProperties properties) {
    final Double interestRateCurveBump = Double.valueOf(Iterables.getOnlyElement(
            properties.getValues(CreditInstrumentPropertyNamesAndValues.PROPERTY_INTEREST_RATE_CURVE_BUMP)));
    final InterestRateBumpType interestRateBumpType = InterestRateBumpType.valueOf(Iterables.getOnlyElement(
            properties.getValues(CreditInstrumentPropertyNamesAndValues.PROPERTY_INTEREST_RATE_BUMP_TYPE)));
    //    final double ir01 = CALCULATOR.getIR01ParallelShiftCreditDefaultSwap(valuationTime, definition, vol, yieldCurve, calibrationTenors, marketSpreads, interestRateCurveBump,
    //        interestRateBumpType);
    final ValueSpecification spec = new ValueSpecification(ValueRequirementNames.IR01, target.toSpecification(),
            properties);// ww  w. j ava2 s  . co  m
    return Collections.singleton(new ComputedValue(spec, 0));
}

From source file:com.opengamma.financial.analytics.model.credit.isda.cdsoption.ISDACreditDefaultSwapOptionParallelGammaCS01Function.java

@Override
protected Set<ComputedValue> getComputedValue(final CreditDefaultSwapOptionDefinition definition,
        final ISDADateCurve yieldCurve, final double vol, final ZonedDateTime[] calibrationTenors,
        final double[] marketSpreads, final HazardRateCurve hazardRateCurve, final ZonedDateTime valuationTime,
        final ComputationTarget target, final ValueProperties properties) {
    final Double spreadCurveBump = Double.valueOf(Iterables.getOnlyElement(
            properties.getValues(CreditInstrumentPropertyNamesAndValues.PROPERTY_SPREAD_CURVE_BUMP)));
    final SpreadBumpType spreadBumpType = SpreadBumpType.valueOf(Iterables.getOnlyElement(
            properties.getValues(CreditInstrumentPropertyNamesAndValues.PROPERTY_SPREAD_BUMP_TYPE)));
    final double gammaCS01 = CALCULATOR.getGammaParallelShiftCreditDefaultSwapOption(valuationTime, definition,
            vol, yieldCurve, hazardRateCurve, calibrationTenors, marketSpreads, spreadCurveBump,
            spreadBumpType);//from   w w  w .  j  a  va  2  s  . c  o  m
    final ValueSpecification spec = new ValueSpecification(ValueRequirementNames.GAMMA_CS01,
            target.toSpecification(), properties);
    return Collections.singleton(new ComputedValue(spec, gammaCS01));
}

From source file:org.polymap.rhei.um.auth.UmAuthorizationModule.java

@Override
public Set<Principal> rolesOf(Subject subject) {
    Set<UserPrincipal> principals = subject.getPrincipals(UserPrincipal.class);
    UserPrincipal principal = Iterables.getOnlyElement(principals);

    Set<Principal> result = new HashSet();
    if (principal.getName().equals("admin")) {
        ///*from   w  w  w. j a v  a2  s . co  m*/
    } else {
        User user = ((UmUserPrincipal) principal).getUser();
        for (final String groupName : loginModule.repo.groupsOf(user)) {
            result.add(new Principal() {
                @Override
                public String getName() {
                    return groupName;
                }
            });
        }
    }
    return result;
}

From source file:org.jclouds.gogrid.predicates.LoadBalancerLatestJobCompleted.java

@Override
public boolean apply(LoadBalancer loadBalancer) {
    checkNotNull(loadBalancer, "Load balancer must be a valid instance");
    checkNotNull(loadBalancer.getName(), "Load balancer must be a valid name");
    Job latestJob = Iterables
            .getOnlyElement(jobClient.getJobList(latestJobForObjectByName(loadBalancer.getName())));
    return JobState.SUCCEEDED.equals(latestJob.getCurrentState());
}

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

private static Type getComparableTypeArgument(ClassTree tree, VisitorState state) {
    final Type comparable = state.getTypes().asSuper(ASTHelpers.getType(tree),
            state.getSymtab().comparableType.asElement());

    if (comparable != null && !comparable.getTypeArguments().isEmpty()) {
        return Iterables.getOnlyElement(comparable.getTypeArguments());
    }// w w  w  .  j  ava2s .c  om

    return null;
}

From source file:org.apache.beam.runners.direct.DirectGroupByKeyOverrideFactory.java

@Override
public PTransformReplacement<PCollection<KV<K, V>>, PCollection<KV<K, Iterable<V>>>> getReplacementTransform(
        AppliedPTransform<PCollection<KV<K, V>>, PCollection<KV<K, Iterable<V>>>, PTransform<PCollection<KV<K, V>>, PCollection<KV<K, Iterable<V>>>>> transform) {

    PCollection<KV<K, Iterable<V>>> output = (PCollection<KV<K, Iterable<V>>>) Iterables
            .getOnlyElement(transform.getOutputs().values());

    return PTransformReplacement.of(PTransformReplacements.getSingletonMainInput(transform),
            new DirectGroupByKey<>(transform.getTransform(), output.getWindowingStrategy()));
}

From source file:io.prestosql.sql.planner.plan.FilterNode.java

@Override
public PlanNode replaceChildren(List<PlanNode> newChildren) {
    return new FilterNode(getId(), Iterables.getOnlyElement(newChildren), predicate);
}