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.jclouds.location.suppliers.implicit.OnlyLocationOrFirstRegionOptionallyMatchingRegionId.java

@Override
@Singleton/*w  w w .  j av  a2s.com*/
public Location get() {
    String region = regionSupplier.get();
    Predicate<Location> locationPredicate = region == null ? Predicates.<Location>or(isZone(), isRegion())
            : isZoneOrRegionWhereRegionIdEquals(region);
    Set<? extends Location> locations = locationsSupplier.get();
    if (locationsSupplier.get().size() == 1)
        return getOnlyElement(locationsSupplier.get());
    try {
        Location toReturn = Iterables.find(locations, locationPredicate);
        return toReturn.getScope() == LocationScope.REGION ? toReturn : toReturn.getParent();
    } catch (NoSuchElementException e) {
        throw new NoSuchElementException(String.format("couldn't find region matching %s in %s",
                locationPredicate, transform(locations, ToIdAndScope.INSTANCE)));
    }
}

From source file:org.robotninjas.barge.jaxrs.HttpClusterConfig.java

@Override
public Replica getReplica(String info) {
    try {/*from www.  j  a  v  a2 s .  co m*/
        URI uri = new URI(info);

        if (local.match(uri))
            return local;

        return Iterables.find(remote(), match(uri));
    } catch (URISyntaxException e) {
        throw new RaftHttpException(info + " is not a valid URI, cannot find a corresponding replica", e);
    }
}

From source file:org.jclouds.aws.s3.blobstore.functions.BucketToResourceMetadata.java

private Location getLocation(BucketMetadata from) {
    try {/*from   w w  w .  jav a2 s  .  c o  m*/
        Set<? extends Location> locations = this.locations.get();
        final String region = client.getBucketLocation(from.getName());
        assert region != null : String.format("could not get region for %s", from.getName());
        if (region != null) {
            try {
                return Iterables.find(locations, new Predicate<Location>() {

                    @Override
                    public boolean apply(Location input) {
                        return input.getId().equalsIgnoreCase(region.toString());
                    }

                });
            } catch (NoSuchElementException e) {
                logger.error("could not get location for region %s in %s", region, locations);
            }
        } else {
            logger.error("could not get region for %s", from.getName());
        }
    } catch (ContainerNotFoundException e) {
        logger.error(e, "could not get region for %s, as service suggests the bucket doesn't exist",
                from.getName());
    }
    return null;
}

From source file:org.jclouds.trmk.vcloud_0_8.suppliers.OnlyReferenceTypeFirstWithNameMatchingConfigurationKeyOrDefault.java

public ReferenceType defaultReferenceType(Iterable<ReferenceType> referenceTypes) {
    return Iterables.find(referenceTypes, defaultSelector);
}

From source file:hudson.plugins.libvirt.PluginImpl.java

public Hypervisor getServer(final String host) {

    return Iterables.find(getServers(), new Predicate<Hypervisor>() {
        public boolean apply(@Nullable Hypervisor input) {
            return host.equals(input.getHypervisorHost());
        }//from   w  ww. j  ava 2  s.co m
    });
}

From source file:org.jclouds.ec2.compute.functions.EC2SecurityGroupToSecurityGroup.java

private Location findLocationWithId(final String locationId) {
    if (locationId == null)
        return null;
    try {/*from   ww  w .j  a  va  2s.c o  m*/
        Location location = Iterables.find(locations.get(), new Predicate<Location>() {

            @Override
            public boolean apply(Location input) {
                return input.getId().equals(locationId);
            }

        });
        return location;

    } catch (NoSuchElementException e) {
        logger.debug("couldn't match instance location %s in: %s", locationId, locations.get());
        return null;
    }
}

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

@Override
public Image apply(VAppTemplate from) {
    checkNotNull(from, "VAppTemplate");
    Envelope ovf = templateToEnvelope.apply(from);

    ImageBuilder builder = new ImageBuilder();
    builder.ids(from.getHref().toASCIIString());
    builder.uri(from.getHref());/*from  w ww .jav  a 2s .  co  m*/
    builder.name(from.getName());
    Link vdc = Iterables.find(checkNotNull(from, "from").getLinks(),
            LinkPredicates.typeEquals(VCloudDirectorMediaType.VDC));
    if (vdc != null) {
        builder.location(findLocationForResource.apply(vdc));
    } else {
        // otherwise, it could be in a public catalog, which is not assigned to a VDC
    }
    builder.description(from.getDescription() != null ? from.getDescription() : from.getName());
    builder.operatingSystem(CIMOperatingSystem.toComputeOs(ovf));
    builder.status(toPortableImageStatus.get(from.getStatus()));
    return builder.build();
}

From source file:org.jclouds.aws.ec2.EC2ContextBuilder.java

@Override
public Injector buildInjector() {
    try {/*from w w w .j  ava  2  s .co  m*/
        Iterables.find(modules, Predicates.instanceOf(ConfigureELBModule.class));
    } catch (NoSuchElementException e) {
        Iterable<Module> infra = Iterables.filter(modules, new Predicate<Module>() {
            public boolean apply(Module input) {
                return input.getClass().isAnnotationPresent(ConfiguresExecutorService.class)
                        || input.getClass().isAnnotationPresent(ConfiguresHttpCommandExecutorService.class)
                        || instanceOf(LoggingModule.class).apply(input);
            }

        });
        modules.add(new ConfigureELBModule(infra, properties));
    }
    return super.buildInjector();
}

From source file:com.isotrol.impe3.pms.core.obj.RoutingDomainsObject.java

/**
 * Builds a collection from a set of entities.
 * @param domains Routing domains.//  ww w  . j  a  v a2 s . c  om
 * @return The requested collection.
 */
public static RoutingDomainsObject of(Iterable<RoutingDomainEntity> domains) {
    try {
        final RoutingDomainEntity drd = Iterables.find(domains, ENTITY_DEFAULT);
        final RoutingBase offline = RoutingBase.of(drd.getOfflineBase(), drd.getOfflineAbsBase());
        return new RoutingDomainsObject(offline, domains);
    } catch (NoSuchElementException e) {
        throw new IllegalArgumentException("No default routing domain");
    }
}

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

@Override
public Hardware apply(Vm from) {
    checkNotNull(from, "VApp");
    // TODO make this work with composite vApps
    if (from == null)
        return null;

    VirtualHardwareSection hardware = findVirtualHardwareSectionForVm.apply(from);
    HardwareBuilder builder = rasdToHardwareBuilder.apply(hardware.getItems());
    builder.location(findLocationForResource.apply(Iterables.find(checkNotNull(from, "from").getLinks(),
            LinkPredicates.typeEquals(VCloudDirectorMediaType.VDC))));
    builder.ids(from.getHref().toASCIIString()).name(from.getName())
            .supportsImage(ImagePredicates.idEquals(from.getHref().toASCIIString()));
    builder.hypervisor("VMware");
    return builder.build();
}