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:org.jclouds.openstack.keystone.v2_0.domain.PaginatedCollection.java

@Override
public Optional<Object> nextMarker() {
    return FluentIterable.from(getLinks()).filter(new Predicate<Link>() {
        @Override/*from  w  w  w. j  a  va  2 s . c  om*/
        public boolean apply(Link link) {
            return Link.Relation.NEXT == link.getRelation();
        }
    }).transform(new Function<Link, Optional<Object>>() {
        @Override
        public Optional<Object> apply(Link link) {
            Collection<String> markers = queryParser().apply(link.getHref().getRawQuery()).get("marker");
            return Optional.<Object>fromNullable(markers == null ? null : Iterables.get(markers, 0));
        }
    }).first().or(Optional.absent());
}

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

@Override
public <T extends Entity> void decorateSpec(BrooklynComponentTemplateResolver resolver, EntitySpec<T> spec) {
    String dockerServiceType = Strings.removeFromStart(resolver.getDeclaredType(), PREFIX + ":");
    List<String> parts = Splitter.on(":").splitToList(dockerServiceType);
    if (parts.isEmpty() || parts.size() > 2) {
        throw new IllegalArgumentException("Docker serviceType cannot be parsed: " + dockerServiceType);
    }/*from ww w . ja  v  a 2 s.  com*/
    String imageName = Iterables.get(parts, 0);
    String imageTag = Iterables.get(parts, 1, "latest");
    log.debug("Creating Docker service entity with image {} and tag {}", imageName, imageTag);
    spec.configure(DockerAttributes.DOCKER_IMAGE_NAME, imageName);
    if (parts.size() == 2) {
        spec.configure(DockerAttributes.DOCKER_IMAGE_TAG, imageTag);
    }
    if (resolver.getAttrs().containsKey("id")) {
        String containerName = (String) resolver.getAttrs().getStringKey("id");
        spec.configure(DockerAttributes.DOCKER_CONTAINER_NAME, containerName);
    }
    super.decorateSpec(resolver, spec);
}

From source file:info.gehrels.voting.web.VoteBuilder.java

private Vote<GenderedCandidate> createPreferenceVote(GenderedElection genderedElection) {
    Builder<GenderedCandidate> preferenceBuilder = ImmutableSet.builder();
    for (char c : preferenceString.toUpperCase().toCharArray()) {
        int candidateIndex = c - 'A';
        preferenceBuilder.add(Iterables.get(genderedElection.getCandidates(), candidateIndex));
    }//from w w w.  j a  va  2s . c  o  m
    return Vote.createPreferenceVote(genderedElection, preferenceBuilder.build());
}

From source file:org.jclouds.rackspace.cloudloadbalancers.v1.functions.ConvertLB.java

@Override
public LoadBalancer apply(LB lb) {
    try {//from   w  w w .  j ava2  s. c  o m
        Builder builder = LoadBalancer.builder().id(lb.id).region(region).status(lb.status).name(lb.getName())
                .protocol(lb.getProtocol()).port(lb.getPort()).nodeCount(lb.nodeCount).nodes(lb.getNodes())
                .timeout(lb.getTimeout()).algorithm(lb.getAlgorithm()).halfClosed(lb.isHalfClosed())
                .sessionPersistenceType(lb.getSessionPersistenceType())
                .connectionLogging(lb.isConnectionLogging()).connectionThrottle(lb.getConnectionThrottle())
                .healthMonitor(lb.getHealthMonitor());

        if (lb.cluster.size() == 1)
            builder.clusterName(Iterables.get(lb.cluster.values(), 0));
        if (lb.created.size() == 1)
            builder.created(Iterables.get(lb.created.values(), 0));
        if (lb.updated.size() == 1)
            builder.updated(Iterables.get(lb.updated.values(), 0));
        if (lb.contentCaching.size() == 1)
            builder.contentCaching(Iterables.get(lb.contentCaching.values(), 0));
        if (lb.sslTermination != null)
            builder.sslTermination(lb.sslTermination);
        if (lb.sourceAddresses != null)
            builder.sourceAddresses(lb.sourceAddresses);
        if (lb.accessList == null)
            builder.accessRules(ImmutableSet.<AccessRuleWithId>of());
        else
            builder.accessRules(lb.accessList);
        if (lb.virtualIps == null)
            builder.virtualIPs(ImmutableSet.<VirtualIPWithId>of());
        else
            builder.virtualIPs(lb.virtualIps);
        if (lb.metadata == null)
            builder.metadata(new Metadata());
        else
            builder.metadata(ParseMetadata.transformCLBMetadataToMetadata(lb.metadata));

        int indexOfLB = endpoint.toString().lastIndexOf(LOAD_BALANCERS);
        String path = endpoint.toString().substring(0, indexOfLB + LOAD_BALANCERS.length());
        builder.uri(URI.create(path + "/" + lb.id));

        return builder.build();
    } catch (NullPointerException e) {
        logger.warn(e, "nullpointer found parsing %s", lb);
        throw e;
    }
}

From source file:org.sonar.data.issues.IssueData.java

protected IssueDto getIssue(int id) {
    RuleDto rule = rules.get(generator.nextInt(rules.size()));
    Long projectId = Iterables.get(projects.keySet(), generator.nextInt(projects.size()));
    Long resourceId = projects.get(projectId).get(generator.nextInt(projects.get(projectId).size()));
    return new IssueDto().setId(new Long(id)).setRootComponentId(projectId)
            .setRootComponentKey(projectId + "_key").setComponentId(resourceId)
            .setComponentKey(resourceId + "_key").setRule(rule)
            .setMessage("Lorem ipsum loertium bortim tata toto tutu 14 failures in this issue")
            .setAssignee("assignee_").setSeverity("BLOCKER").setReporter("Luc besson").setAuthorLogin("Pinpin")
            .setStatus("OPEN").setResolution("OPEN").setKee(UUID.randomUUID().toString());
}

From source file:org.springframework.xd.ec2.cloud.AWSTools.java

private List<String> getInstanceIdsByClusterName(String name) {
    ArrayList<String> instanceList = new ArrayList<String>();

    Set<? extends Reservation<? extends AWSRunningInstance>> reservations = client.getInstanceApi().get()
            .describeInstancesInRegion(region);
    int instanceCount = reservations.size();
    for (int x = 0; x < instanceCount; x++) {
        Reservation<? extends AWSRunningInstance> instances = Iterables.get(reservations, x);
        int groupCount = instances.size();
        for (int y = 0; y < groupCount; y++) {
            RunningInstance ri = Iterables.get(instances, y);
            if (ri.getTags().containsKey("Name")) {
                if (ri.getTags().get("Name").equals(name)) {
                    instanceList.add(ri.getId());
                }/*from  ww  w  .  ja  v  a2  s  .c  o m*/
            }
        }
    }
    return instanceList;
}

From source file:org.spongepowered.common.data.processor.data.item.CoalDataProcessor.java

@Override
protected Optional<CoalType> getVal(ItemStack itemStack) {
    return Optional
            .of(Iterables.get(SpongeImpl.getRegistry().getAllOf(CoalType.class), itemStack.getMetadata()));
}

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

@JsonCreator
public UnionNode(@JsonProperty("id") PlanNodeId id, @JsonProperty("sources") List<PlanNode> sources,
        @JsonProperty("symbolMapping") ListMultimap<Symbol, Symbol> symbolMapping) {
    super(id);/*  ww  w. ja v  a 2 s  .  c  o m*/

    requireNonNull(sources, "sources is null");
    checkArgument(!sources.isEmpty(), "Must have at least one source");
    requireNonNull(symbolMapping, "symbolMapping is null");

    this.sources = ImmutableList.copyOf(sources);
    this.symbolMapping = ImmutableListMultimap.copyOf(symbolMapping);

    for (Collection<Symbol> symbols : this.symbolMapping.asMap().values()) {
        checkArgument(symbols.size() == this.sources.size(),
                "Every source needs to map its symbols to an output UNION symbol");
    }

    // Make sure each source positionally corresponds to their Symbol values in the Multimap
    for (int i = 0; i < sources.size(); i++) {
        for (Collection<Symbol> symbols : this.symbolMapping.asMap().values()) {
            checkArgument(sources.get(i).getOutputSymbols().contains(Iterables.get(symbols, i)),
                    "Source does not provide required symbols");
        }
    }
}

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

@Override
public Hardware apply(VAppTemplate from) {
    checkNotNull(from, "VAppTemplate");

    Envelope ovf = templateToEnvelope.apply(from);

    if (ovf.getVirtualSystem().getVirtualHardwareSections().size() > 1) {
        logger.warn("multiple hardware choices found. using first", ovf);
    }// w w w. j  a  v  a2 s .  c om
    VirtualHardwareSection hardware = Iterables.get(ovf.getVirtualSystem().getVirtualHardwareSections(), 0);
    HardwareBuilder builder = rasdToHardwareBuilder.apply(hardware.getItems());
    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.ids(from.getHref().toASCIIString()).name(from.getName())
            .supportsImage(ImagePredicates.idEquals(from.getHref().toASCIIString()));
    builder.hypervisor("VMware");
    return builder.build();

}

From source file:org.sonar.cxx.checks.SwitchLastCaseIsDefaultCheck.java

@Override
public void visitNode(AstNode node) {
    List<AstNode> switchCases = getSwitchCases(node);
    int defaultCaseIndex = Iterables.indexOf(switchCases, DEFAULT_CASE_NODE_FILTER);

    if (defaultCaseIndex == -1) {
        getContext().createLineViolation(this, MISSING_DEFAULT_CASE_MESSAGE, node);
    } else {//from ww w  .java  2s  . c  om
        AstNode defaultCase = Iterables.get(switchCases, defaultCaseIndex);

        if (!defaultCase.equals(Iterables.getLast(switchCases))) {
            getContext().createLineViolation(this, DEFAULT_CASE_IS_NOT_LAST_MESSAGE, defaultCase);
        }
    }
}