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

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

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Introduction

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

Prototype

public static <T> T get(Iterable<T> iterable, int position)

Source Link

Document

Returns the element at the specified position in an iterable.

Usage

From source file:brooklyn.networking.cloudstack.portforwarding.CloudstackPortForwarder.java

@Override
public void inject(Entity owner, List<Location> locations) {
    subnetTier = (SubnetTier) owner;/*from ww  w .j a  v  a 2 s. c  o m*/
    jcloudsLocation = (JcloudsLocation) Iterables.get(locations, 0);
    client = CloudstackNew40FeaturesClient.newInstance(jcloudsLocation);
}

From source file:com.haulmont.cuba.desktop.gui.data.TreeModelAdapter.java

@Override
public Object getChild(Object parent, int index) {
    Collection<Object> childrenIds;
    if (parent == rootNode) {
        childrenIds = datasource.getRootItemIds();
    } else {//from  w  w w . ja  v a  2 s  .  c  o m
        childrenIds = datasource.getChildren(((Node) parent).getEntity().getId());
    }
    Object id = Iterables.get(childrenIds, index);
    return new Node(parent, datasource.getItem(id));
}

From source file:org.zanata.client.commands.init.ProjectIterationPrompt.java

@VisibleForTesting
protected void selectVersion() {
    Project project = clientFactory.getProjectClient(opts.getProj()).get();
    consoleInteractor.printfln(get("available.versions"), project.getName());
    int oneBasedIndex = 1;
    List<String> versionIndexes = Lists.newArrayList();
    Iterable<ProjectIteration> activeIterations = Iterables.filter(project.getIterations(),
            new ActiveIterationPredicate());
    for (ProjectIteration iteration : activeIterations) {
        versionIndexes.add(oneBasedIndex + "");
        consoleInteractor.printf("%d)", oneBasedIndex).printfln(Hint, iteration.getId());
        oneBasedIndex++;// w w w .java 2 s .c om
    }
    consoleInteractor.printf(Question, get("select.version.prompt"));
    String selection = consoleInteractor.expectAnswerWithRetry(expect(versionIndexes));
    ProjectIteration projectIteration = Iterables.get(activeIterations, (Integer.parseInt(selection) - 1));
    String versionId = projectIteration.getId();
    opts.setProjectVersion(versionId);
    opts.setProjectType(resolveProjectType(project, projectIteration));
}

From source file:org.jclouds.cloudstack.functions.ParseTypedAsyncJob.java

public AsyncJob<?> apply(AsyncJob<Map<String, JsonBall>> toParse) {
    AsyncJob<?> result = toParse;/*  w ww.j  a  v  a 2s . c  o  m*/
    if (toParse.getResult() != null) {
        if (toParse.getResult().size() == 1) {
            @SuppressWarnings({ "unchecked", "rawtypes" })
            Builder<?, Object> builder = AsyncJob.Builder.fromAsyncJobUntyped((AsyncJob) toParse);
            if (toParse.getResult().containsKey("success")) {
                builder.result(null);
            } else {
                Entry<String, JsonBall> entry = Iterables.get(toParse.getResult().entrySet(), 0);
                if ("template".equals(entry.getKey())) {
                    // Sometimes Cloudstack will say 'template' and the payload is a Template object.
                    // Sometimes Cloudstack will say 'template' and the payload is a TemplateExtraction object.
                    // The 'state' field only exists on TemplateExtraction, so we can test this to work out what we have actually been given.
                    Template template = json.fromJson(entry.getValue().toString(), Template.class);
                    TemplateExtraction templateExtraction = json.fromJson(entry.getValue().toString(),
                            TemplateExtraction.class);
                    boolean isTemplate = Strings.isNullOrEmpty(templateExtraction.getState());
                    builder.result(isTemplate ? template : templateExtraction);
                } else if (typeMap.containsKey(entry.getKey())) {
                    builder.result(json.fromJson(entry.getValue().toString(), typeMap.get(entry.getKey())));
                } else {
                    logger.warn(
                            "type key %s not configured.  please override default for Map<String, Class<?>> bound to name jclouds.cloudstack.jobresult-type-map",
                            entry.getKey());
                    builder.result(entry.getValue().toString());
                }
            }
            result = builder.build();
        } else if (toParse.getResult().containsKey("errorcode")) {
            @SuppressWarnings({ "unchecked", "rawtypes" })
            Builder<?, Object> builder = AsyncJob.Builder.fromAsyncJobUntyped((AsyncJob) toParse);
            builder.result(null);// avoid classcastexceptions
            builder.error(AsyncJobError.builder()
                    .errorCode(ErrorCode.fromValue(toParse.getResult().get("errorcode").toString()))
                    .errorText(toParse.getResult().containsKey("errortext")
                            ? toParse.getResult().get("errortext").toString().replace("\"", "")
                            : null)
                    .build());
            result = builder.build();
        } else if (toParse.getResult().size() > 1) {
            logger.warn("unexpected size of async job result; expecting a map with a single element",
                    toParse.getResult());
        }
    }
    return result;
}

From source file:org.apache.lens.server.query.collect.IntersectingWaitingQueriesSelector.java

@VisibleForTesting
Set<QueryContext> findCommonQueries(final List<Set<QueryContext>> candiateQueriesSets) {

    Set<QueryContext> commonQueries = Sets.newLinkedHashSet();

    if (!candiateQueriesSets.isEmpty()) {
        commonQueries = Iterables.get(candiateQueriesSets, 0);

        for (Set<QueryContext> candidateEligibleQueries : candiateQueriesSets) {
            commonQueries.retainAll(candidateEligibleQueries);
        }//  w w  w  .j a v  a  2s.  c o  m
    }
    return commonQueries;
}

From source file:blue.lapis.pore.impl.inventory.PorePlayerInventory.java

@Override
public void setChestplate(ItemStack chestplate) {
    Iterables.get(this.getHandle().query(EquipmentTypes.CHESTPLATE).<Slot>slots(), 0)
            .set(ItemStackConverter.of(chestplate));
}

From source file:org.obm.locator.LocatorClientImpl.java

@Override
public String getServiceLocation(String serviceSlashProperty, String loginAtDomain)
        throws LocatorClientException {
    try {/*w  w w  .j a  v a 2 s .c o m*/
        String responseBody = Request.Get(buildFullServiceUrl(serviceSlashProperty, loginAtDomain))
                .connectTimeout(timeoutInMS).socketTimeout(timeoutInMS).execute().returnContent().asString();
        return Iterables.get(Splitter.on(RESPONSE_SEPARATOR).split(responseBody), 0);
    } catch (HttpResponseException e) {
        if (e.getStatusCode() == HTTP_CODE_NOT_FOUND) {
            throw new ServiceNotFoundException(
                    String.format("Service %s for %s not found", serviceSlashProperty, loginAtDomain));
        } else {
            throw new LocatorClientException(
                    String.format("HTTP error %d: %s", e.getStatusCode(), e.getMessage()), e);
        }
    } catch (MalformedURLException e) {
        throw new LocatorClientException(e.getMessage(), e);
    } catch (SocketTimeoutException e) {
        throw new LocatorClientException(e.getMessage(), e);
    } catch (IOException e) {
        throw new LocatorClientException(e.getMessage(), e);
    }
}

From source file:com.facebook.buck.versions.VersionUniverseVersionSelector.java

private ImmutableMap<BuildTarget, Version> selectVersions(BuildTarget root,
        ImmutableMap<BuildTarget, ImmutableSet<Version>> domain) throws VersionException {

    TargetNode<?, ?> node = targetGraph.get(root);
    ImmutableMap.Builder<BuildTarget, Version> selectedVersions = ImmutableMap.builder();

    Optional<Map.Entry<String, VersionUniverse>> universe = getVersionUniverse(node);
    LOG.verbose("%s: selected universe: %s", root.getBuildTarget(), universe);
    for (Map.Entry<BuildTarget, ImmutableSet<Version>> ent : domain.entrySet()) {
        Version version;//  w ww . j  av  a2s.  c  o m
        if (universe.isPresent()
                && ((version = universe.get().getValue().getVersions().get(ent.getKey())) != null)) {
            if (!ent.getValue().contains(version)) {
                throw new VersionException(root, String.format(
                        "%s has no version %s (specified by universe %s) in available versions: %s", version,
                        ent.getKey(), universe.get().getKey(), Joiner.on(", ").join(ent.getValue())));
            }
        } else {
            version = Iterables.get(ent.getValue(), 0);
        }
        selectedVersions.put(ent.getKey(), version);
    }

    return selectedVersions.build();
}

From source file:org.jclouds.gogrid.compute.strategy.FindIpThenCreateNodeInGroup.java

@Override
public NodeMetadata createNodeWithGroupEncodedIntoName(String group, String name, Template template) {
    Server addedServer = null;/*w w w  .ja v a2s.c o  m*/
    boolean notStarted = true;
    int numOfRetries = 20;
    GetIpListOptions unassignedIps = new GetIpListOptions().onlyUnassigned()
            .inDatacenter(template.getLocation().getId()).onlyWithType(IpType.PUBLIC);
    // lock-free consumption of a shared resource: IP address pool
    while (notStarted) { // TODO: replace with Predicate-based thread
        // collision avoidance for simplicity
        Set<Ip> availableIps = client.getIpServices().getIpList(unassignedIps);
        if (availableIps.isEmpty())
            throw new RuntimeException("No IPs available on this identity.");
        int ipIndex = new SecureRandom().nextInt(availableIps.size());
        Ip availableIp = Iterables.get(availableIps, ipIndex);
        try {
            addedServer = addServer(name, template, availableIp);
            notStarted = false;
        } catch (Exception e) {
            if (--numOfRetries == 0)
                Throwables.propagate(e);
            notStarted = true;
        }
    }
    if (template.getOptions().shouldBlockUntilRunning()) {
        serverLatestJobCompleted.apply(addedServer);
        client.getServerServices().power(addedServer.getName(), PowerCommand.START);
        serverLatestJobCompletedShort.apply(addedServer);
        addedServer = Iterables
                .getOnlyElement(client.getServerServices().getServersByName(addedServer.getName()));
    }
    credentialStore.put("node#" + addedServer.getId(),
            client.getServerServices().getServerCredentialsList().get(addedServer.getName()));
    return serverToNodeMetadata.apply(addedServer);
}

From source file:com.facebook.presto.sql.planner.plan.UnionNode.java

/**
 * Returns the output to input symbol mapping for the given source channel
 *//* w  w  w  .  j a v  a2 s  .c  o m*/
public Map<Symbol, QualifiedNameReference> sourceSymbolMap(int sourceIndex) {
    ImmutableMap.Builder<Symbol, QualifiedNameReference> builder = ImmutableMap
            .<Symbol, QualifiedNameReference>builder();
    for (Map.Entry<Symbol, Collection<Symbol>> entry : symbolMapping.asMap().entrySet()) {
        builder.put(entry.getKey(), Iterables.get(entry.getValue(), sourceIndex).toQualifiedNameReference());
    }

    return builder.build();
}