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

Introduction

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

Prototype

public static <T> T find(Iterable<T> iterable, Predicate<? super T> predicate)

Source Link

Document

Returns the first element in iterable that satisfies the given predicate; use this method only when such an element is known to exist.

Usage

From source file:org.jpmml.rattle.visitors.ScoreDistributionCleaner.java

private TreeModel getTreeModel() {
    Deque<PMMLObject> parents = getParents();

    return (TreeModel) Iterables.find(parents, Predicates.instanceOf(TreeModel.class));
}

From source file:com.facebook.buck.apple.FatBinaryInfos.java

/**
 * Inspect the given build target and return information about it if its a fat binary.
 *
 * @return non-empty when the target represents a fat binary.
 * @throws com.facebook.buck.util.HumanReadableException
 *    when the target is a fat binary but has incompatible flavors.
 *///  w  w w  . jav a 2s .co m
public static Optional<FatBinaryInfo> create(
        final Map<Flavor, AppleCxxPlatform> platformFlavorsToAppleCxxPlatforms, BuildTarget target) {
    ImmutableList<ImmutableSortedSet<Flavor>> thinFlavorSets = generateThinFlavors(
            platformFlavorsToAppleCxxPlatforms.keySet(), target.getFlavors());
    if (thinFlavorSets.size() <= 1) { // Actually a thin binary
        return Optional.absent();
    }

    if (!Sets.intersection(target.getFlavors(), FORBIDDEN_BUILD_ACTIONS).isEmpty()) {
        throw new HumanReadableException("%s: Fat binaries is only supported when building an actual binary.",
                target);
    }

    Predicate<Flavor> isPlatformFlavor = Predicates.in(platformFlavorsToAppleCxxPlatforms.keySet());

    AppleCxxPlatform representativePlatform = null;
    AppleSdk sdk = null;
    for (SortedSet<Flavor> flavorSet : thinFlavorSets) {
        AppleCxxPlatform platform = Preconditions.checkNotNull(
                platformFlavorsToAppleCxxPlatforms.get(Iterables.find(flavorSet, isPlatformFlavor)));
        if (sdk == null) {
            sdk = platform.getAppleSdk();
            representativePlatform = platform;
        } else if (sdk != platform.getAppleSdk()) {
            throw new HumanReadableException(
                    "%s: Fat binaries can only be generated from binaries compiled for the same SDK.", target);
        }
    }

    FatBinaryInfo.Builder builder = FatBinaryInfo.builder().setFatTarget(target)
            .setRepresentativePlatform(Preconditions.checkNotNull(representativePlatform));

    BuildTarget platformFreeTarget = target.withoutFlavors(platformFlavorsToAppleCxxPlatforms.keySet());
    for (SortedSet<Flavor> flavorSet : thinFlavorSets) {
        builder.addThinTargets(platformFreeTarget.withFlavors(flavorSet));
    }

    return Optional.of(builder.build());
}

From source file:org.jclouds.vcloud.director.v1_5.functions.OrgNameVdcNameNetworkNameToEndpoint.java

protected URI getEndpointOfResourceInVdc(Object org, Object Vdc, Object resource,
        org.jclouds.vcloud.director.v1_5.domain.Vdc VdcObject) {
    Reference resourceEntity = Iterables.find(VdcObject.getAvailableNetworks(), nameEquals((String) Vdc));
    if (resourceEntity == null)
        throw new NoSuchElementException("network " + resource + " in Vdc " + Vdc + ", org " + org
                + " not found in " + VdcObject.getAvailableNetworks());
    return resourceEntity.getHref();
}

From source file:org.yakindu.sct.domain.extension.DomainRegistry.java

public static IDomain getDomain(final String id) {
    final String defaultDomainID = BasePackage.Literals.DOMAIN_ELEMENT__DOMAIN_ID.getDefaultValueLiteral();
    try {//from  ww  w .j  a  va 2s .c  o m
        return Iterables.find(getDomains(), new Predicate<IDomain>() {
            @Override
            public boolean apply(IDomain input) {
                return input.getDomainID().equals(id != null ? id : defaultDomainID);
            }
        });
    } catch (NoSuchElementException e) {
        if (defaultDomainID.equals(id)) {
            throw new IllegalArgumentException("No default domain found!");
        }
        return getDomain(defaultDomainID);
    }
}

From source file:org.jclouds.vcloud.director.v1_5.functions.OrgNameVdcNameResourceEntityNameToEndpoint.java

protected URI getEndpointOfResourceInVdc(Object org, Object Vdc, Object resource,
        org.jclouds.vcloud.director.v1_5.domain.Vdc VdcObject) {
    Reference resourceEntity = Iterables.find(VdcObject.getResourceEntities(), nameEquals((String) resource));
    if (resourceEntity == null)
        throw new NoSuchElementException("entity " + resource + " in Vdc " + Vdc + ", org " + org
                + " not found in " + VdcObject.getResourceEntities());
    return resourceEntity.getHref();
}

From source file:org.richfaces.tests.annotationtool.processor.groups.command.AnnotationAttribute.java

public T getValueFromAnnotation(Annotation annotation) {
    List<Method> listOfMethods = Lists.<Method>newArrayList(annotation.getClass().getDeclaredMethods());
    Method method = Iterables.find(listOfMethods, new MethodNamePredicate());
    try {//w w  w  .  ja v  a2s. co  m
        return (T) method.invoke(annotation);
    } catch (IllegalAccessException ex) {
        Logger.getLogger(AnnotationAttribute.class.getName()).log(Level.SEVERE, null, ex);
    } catch (IllegalArgumentException ex) {
        Logger.getLogger(AnnotationAttribute.class.getName()).log(Level.SEVERE, null, ex);
    } catch (InvocationTargetException ex) {
        Logger.getLogger(AnnotationAttribute.class.getName()).log(Level.SEVERE, null, ex);
    }
    return null;
}

From source file:com.complexible.common.collect.Iterables2.java

/**
 * Same as {@link Iterables#find} except it does not throw {@link NoSuchElementException} if the result is not found.
 *
 * @param theIterable   the iterable to search
 * @param thePredicate   the predicate to use
 *
 * @return true if an element in the Iterable satisfies the predicate, false otherwise
 */// w w  w . j  a v a 2 s  .c  om
public static <T> boolean find(final Iterable<T> theIterable, final Predicate<? super T> thePredicate) {
    try {
        return Iterables.find(theIterable, thePredicate) != null;
    } catch (NoSuchElementException e) {
        // find throws this exception when it can't find the element, which is not really helpful
        // we just want the boolean of whether or not it was found.
        return false;
    }
}

From source file:brooklyn.entity.messaging.rabbit.RabbitDestination.java

@Override
public void onManagementStarting() {
    super.onManagementStarting();

    exchange = (getConfig(EXCHANGE_NAME) != null) ? getConfig(EXCHANGE_NAME) : getDefaultExchangeName();
    virtualHost = getConfig(RabbitBroker.VIRTUAL_HOST_NAME);
    setAttribute(RabbitBroker.VIRTUAL_HOST_NAME, virtualHost);

    machine = (SshMachineLocation) Iterables.find(getParent().getLocations(),
            Predicates.instanceOf(SshMachineLocation.class));
    shellEnvironment = getParent().getShellEnvironment();
}

From source file:com.bennavetta.vetinari.build.SiteBuilder.java

/**
 * Build the site. The site loaded from a {@link SiteLoader} is passed through the ordered sequence
 * of build phases, each receiving the result of the previous.
 * @throws Exception if any phase throws an exception, or there is an error loading the site
 *///w  w w .  j  a v  a2s  .  c  o  m
public void build() throws VetinariException {
    Site site = siteLoader.load(context);

    List<BuildPhase> runList = context.getSiteConfig().getStringList("phases").stream()
            .map(name -> Iterables.find(phases, phase -> name.equals(phase.getName())))
            .collect(Collectors.toList());

    for (BuildPhase phase : runList) {
        log.info("Running phase {}", phase.getName());
        site = phase.process(site);
    }
    // File output should be a phase, so we don't have to handle it here.
}

From source file:brooklyn.entity.container.docker.application.VanillaDockerApplicationImpl.java

@Override
public DockerContainer getDockerContainer() {
    DockerContainerLocation location = (DockerContainerLocation) Iterables.find(getLocations(),
            Predicates.instanceOf(DockerContainerLocation.class));
    return location.getOwner();
}