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

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

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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:de.cosmocode.palava.model.geoplanet.Place.java

/**
 * Retrieve the preferredAlias for a specified locale.
 * // w  w  w.java 2s .  c o  m
 * @param locale the target locale
 * @return a preferred alias of this place for the given locale
 * @throws NoSuchElementException if there is no preferred alias for
 *         the given locale
 */
public Alias getPreferredAlias(final Locale locale) {
    final String language = locale.getLanguage();
    return Iterables.find(getAliases(), new Predicate<Alias>() {

        @Override
        public boolean apply(Alias input) {
            if (input.getNameType() == NameType.Q) {
                return StringUtils.equals(input.getLanguageCode(), language);
            } else {
                return false;
            }
        }

    });
}

From source file:brooklyn.networking.sdn.SdnAgentImpl.java

@Override
public InetAddress attachNetwork(String containerId, final String networkId) {
    final SdnProvider provider = getAttribute(SDN_PROVIDER);
    boolean createNetwork = false;
    Cidr subnetCidr = null;/*from  w w w.  ja  va  2s . c  o  m*/
    synchronized (provider.getNetworkMutex()) {
        subnetCidr = provider.getSubnetCidr(networkId);
        if (subnetCidr == null) {
            subnetCidr = provider.getNextSubnetCidr(networkId);
            createNetwork = true;
        }
    }
    if (createNetwork) {
        // Get a CIDR for the subnet from the availabkle pool and create a virtual network
        EntitySpec<VirtualNetwork> networkSpec = EntitySpec.create(VirtualNetwork.class)
                .configure(VirtualNetwork.NETWORK_ID, networkId)
                .configure(VirtualNetwork.NETWORK_CIDR, subnetCidr);

        // Start and then add this virtual network as a child of SDN_NETWORKS
        VirtualNetwork network = provider.getAttribute(SdnProvider.SDN_NETWORKS).addChild(networkSpec);
        Entities.manage(network);
        Entities.start(network,
                Collections.singleton(
                        ((DockerInfrastructure) provider.getAttribute(SdnProvider.DOCKER_INFRASTRUCTURE))
                                .getDynamicLocation()));
        Entities.waitForServiceUp(network);
    } else {
        Task<Boolean> lookup = TaskBuilder.<Boolean>builder().name("Waiting until virtual network is available")
                .body(new Callable<Boolean>() {
                    @Override
                    public Boolean call() throws Exception {
                        return Repeater.create().every(Duration.TEN_SECONDS).until(new Callable<Boolean>() {
                            public Boolean call() {
                                Optional<Entity> found = Iterables.tryFind(
                                        provider.getAttribute(SdnProvider.SDN_NETWORKS).getMembers(),
                                        EntityPredicates.attributeEqualTo(VirtualNetwork.NETWORK_ID,
                                                networkId));
                                return found.isPresent();
                            }
                        }).limitTimeTo(Duration.ONE_MINUTE).run();
                    }
                }).build();
        Boolean result = DynamicTasks.queueIfPossible(lookup).orSubmitAndBlock().andWaitForSuccess();
        if (!result) {
            throw new IllegalStateException(
                    String.format("Cannot find virtual network entity for %s", networkId));
        }
    }

    InetAddress address = getDriver().attachNetwork(containerId, networkId);
    LOG.info("Attached container ID {} to {}: {}",
            new Object[] { containerId, networkId, address.getHostAddress() });

    // Rescan SDN network groups for containers
    DynamicGroup network = (DynamicGroup) Iterables.find(
            provider.getAttribute(SdnProvider.SDN_APPLICATIONS).getMembers(),
            EntityPredicates.attributeEqualTo(VirtualNetwork.NETWORK_ID, networkId));
    network.rescanEntities();

    return address;
}

From source file:edu.udo.scaffoldhunter.view.ViewConverter.java

/**
 * Finds the subset corresponding to the given database id.
 *
 * @param root// www .  ja va2  s.c om
 *          the root of the subset tree to be searched
 * @param subsetId
 *          the database id
 *
 * @return  the subset found
 *
 * @throws  NoSuchElementException
 */
private Subset findSubset(Subset root, final int subsetId) {
    Iterable<Subset> subsetIterable = Subsets.getSubsetTreeIterable(root);

    return Iterables.find(subsetIterable, new Predicate<Subset>() {
        @Override
        public boolean apply(Subset input) {
            return input.getId() == subsetId;
        }
    });
}

From source file:org.opendaylight.protocol.pcep.pcc.mock.Main.java

private static ch.qos.logback.classic.Logger getRootLogger(final LoggerContext lc) {
    return Iterables.find(lc.getLoggerList(), new Predicate<Logger>() {
        @Override/*from   w ww. jav a2 s  .  co  m*/
        public boolean apply(final Logger input) {
            return (input != null) ? input.getName().equals(Logger.ROOT_LOGGER_NAME) : false;
        }
    });
}

From source file:dynamite.zafroshops.app.fragment.AddZopFragment.java

public void setLocation(View v) {
    LocationBase address = ((MainActivity) getActivity()).getAddress(false);
    MobileCountry current = null;//  w  w w  . ja  va2  s .c o  m

    if (address != null && zopCountries.size() > 0) {
        final String country = address.CountryCode;
        if (country != null) {
            current = Iterables.find(zopCountries, new Predicate<MobileCountry>() {
                @Override
                public boolean apply(MobileCountry input) {
                    return input.ID.compareToIgnoreCase(country) == 0;
                }
            });
        }

        View view = v == null ? getView() : v;
        if (view != null && current != null) {
            ((Spinner) view.findViewById(R.id.newZopCountry))
                    .setSelection(zopCountryAdapter.getPosition(current));
            ((EditText) view.findViewById(R.id.newZopCity)).setText(address.Town);
            ((EditText) view.findViewById(R.id.newZopStreet)).setText(address.Street);
            ((EditText) view.findViewById(R.id.newZopStreetNumber)).setText(address.StreetNumber);
        }
    }
}

From source file:org.dasein.cloud.jclouds.vcloud.director.compute.VmSupport.java

@Override
public VirtualMachine clone(String vmId, String intoDcId, String name, String description, boolean powerOn,
        String... firewallIds) throws InternalException, CloudException {
    RestContext<VCloudDirectorAdminClient, VCloudDirectorAdminAsyncClient> ctx = provider.getCloudClient();

    try {//from ww w  . j  a v  a2 s . c  om
        try {
            CloneVAppParams.Builder<?> options = CloneVAppParams.builder().description(description).name(name);

            if (powerOn) {
                options.powerOn();
            }
            // note this says vmId, but the copy operation is on the vApp. you might want to rename this variable accordingly
            URI vAppUri = null;
            VApp clone = ctx.getApi().getVdcClient().cloneVApp(vAppUri, options.build());

            Task task = Iterables.find(clone.getTasks(), new Predicate<Task>() {
                @Override
                public boolean apply(Task input) {
                    return input.getOperationName().equals("cloneVApp");
                }
            });
            provider.waitForTask(task);
            return null; // TODO: identify vm
        } catch (RuntimeException e) {
            logger.error("Error booting " + vmId + ": " + e.getMessage());
            if (logger.isDebugEnabled()) {
                e.printStackTrace();
            }
            throw new CloudException(e);
        }
    } finally {
        ctx.close();
    }
}

From source file:org.opentestsystem.authoring.testauth.validation.ScoringRuleValidator.java

@Override
public void validate(final Object obj, final Errors errors) {
    // execute JSR-303 validations (annotations)
    this.jsrValidator.validate(obj, errors);

    final ScoringRule scoringRule = (ScoringRule) obj;

    // parameterDataMap can only be evaluated if corresponding ComputationRule is passed along
    if (StringUtils.isNotBlank(scoringRule.getComputationRuleId())
            && scoringRule.getComputationRule() != null) {
        validateFileUploads(errors, scoringRule);

        if (!CollectionUtils.isEmpty(scoringRule.getParameters())) {
            // check for duplicate parameter names
            final Map<String, Collection<ScoringRuleParameter>> duplicates = Maps.filterEntries(
                    Multimaps.index(scoringRule.getParameters(), RULE_PARAMETER_TO_NAME_TRANSFORMER).asMap(),
                    PARAMETER_DUPLICATE_FILTER);
            if (!duplicates.isEmpty()) {
                rejectValue(errors, PARAMETERS,
                        getErrorMessageRoot() + PARAMETERS + MSG_PARAMETER_NAME + MSG_DUPLICATES,
                        duplicates.keySet().toString());
            }//from  w  w w . j  a  v a 2  s  .co  m

            for (int i = 0; i < scoringRule.getParameters().size(); i++) {
                final ScoringRuleParameter scoringRuleParameter = scoringRule.getParameters().get(i);
                try {
                    errors.pushNestedPath(PARAMETERS + "[" + i + "]");
                    final ComputationRuleParameter computationRuleParameter = Iterables
                            .find(scoringRule.getComputationRule().getParameters(), FUNCTION_PARAMETER_FINDER
                                    .getInstance(scoringRuleParameter.getComputationRuleParameterName()));
                    if (computationRuleParameter == null) {
                        rejectValue(errors, PARAMETER_NAME,
                                getErrorMessageRoot() + PARAMETERS + MSG_PARAMETER_NAME + MSG_NOT_FOUND,
                                scoringRuleParameter.getComputationRuleParameterName());
                    } else {
                        // evaluate every value within the rule parameter to ensure it adheres to the constraints of the ComputationRuleParameter
                        ValidationUtils.invokeValidator(this.scoringRuleParameterValidator,
                                scoringRuleParameter, errors, computationRuleParameter);
                    }
                } catch (final NoSuchElementException e) {
                    rejectValue(errors, PARAMETER_NAME,
                            getErrorMessageRoot() + PARAMETERS + MSG_PARAMETER_NAME + MSG_NOT_FOUND,
                            scoringRuleParameter.getComputationRuleParameterName());
                } finally {
                    errors.popNestedPath();
                }
            }

            for (final ComputationRuleParameter computationRuleParameter : scoringRule.getComputationRule()
                    .getParameters()) {
                if (!Iterables.any(scoringRule.getParameters(),
                        RULE_PARAMETER_FINDER.getInstance(computationRuleParameter.getParameterName()))) {
                    rejectValue(errors, PARAMETERS,
                            getErrorMessageRoot() + PARAMETERS + MSG_PARAMETER_NAME + MSG_MISSING,
                            computationRuleParameter.getParameterName());
                }
            }
        }
    }
}

From source file:elaborate.editor.model.orm.User.java

public void removeUserSetting(String key) {
    if (hasUserSetting(key)) {
        Iterables.find(Lists.newArrayList(getUserSettings()), userSettingWithKey(key));
    }
}

From source file:org.jclouds.digitalocean2.compute.functions.DropletToNodeMetadata.java

protected Hardware getHardware(final String slug) {
    return Iterables.find(hardwares.get().values(), new Predicate<Hardware>() {
        @Override/*  ww  w .  ja  v  a  2 s  .  com*/
        public boolean apply(Hardware input) {
            return input.getId().equals(slug);
        }
    });
}

From source file:org.geoserver.importer.format.GeoJSONFormat.java

File file(ImportData data, final ImportTask item) {
    if (data instanceof Directory) {
        return Iterables.find(((Directory) data).getFiles(), new Predicate<FileData>() {
            @Override/*from   w  ww. jav a2  s  .  com*/
            public boolean apply(FileData input) {
                return FilenameUtils.getBaseName(input.getFile().getName()).equals(item.getLayer().getName());
            }
        }).getFile();
    } else {
        return maybeFile(data).get();
    }
}