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

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

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Introduction

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

Prototype

public static <T> Iterable<T> concat(final Iterable<? extends Iterable<? extends T>> inputs)

Source Link

Document

Combines multiple iterables into a single iterable.

Usage

From source file:org.eclipse.xtext.xbase.scoping.SyntaxFilteredScope.java

@Override
public Iterable<IEObjectDescription> getAllElements() {
    return Iterables
            .concat(Iterables.transform(values, new Function<QualifiedName, Iterable<IEObjectDescription>>() {
                @Override//ww  w. ja v a 2s  . co  m
                public Iterable<IEObjectDescription> apply(QualifiedName input) {
                    return parent.getElements(input);
                }
            }));
}

From source file:io.crate.operation.merge.PassThroughPagingIterator.java

@Override
public void merge(Iterable<? extends KeyIterable<TKey, TRow>> iterables) {
    Iterable<TRow> concat = Iterables.concat(iterables);

    if (repeatable) {
        this.iterables.addAll(iterables);
        this.storedForRepeat = null;
    }//  w ww .  jav  a2 s.co  m
    if (iterator.hasNext()) {
        iterator = Iterators.concat(iterator, concat.iterator());
    } else {
        iterator = concat.iterator();
    }
}

From source file:org.apache.druid.segment.incremental.SpatialDimensionRowTransformer.java

public SpatialDimensionRowTransformer(List<SpatialDimensionSchema> spatialDimensions) {
    this.spatialDimensionMap = Maps.newHashMap();
    for (SpatialDimensionSchema spatialDimension : spatialDimensions) {
        if (this.spatialDimensionMap.put(spatialDimension.getDimName(), spatialDimension) != null) {
            throw new ISE("Duplicate spatial dimension names found! Check your schema yo!");
        }//from w  w  w . j  av a 2  s  . com
    }
    this.spatialPartialDimNames = Sets.newHashSet(Iterables
            .concat(Lists.transform(spatialDimensions, new Function<SpatialDimensionSchema, List<String>>() {
                @Override
                public List<String> apply(SpatialDimensionSchema input) {
                    return input.getDims();
                }
            })));
}

From source file:codecrafter47.bungeetablistplus.managers.PlayerManager.java

public List<IPlayer> getPlayers(Collection<String> filter, ProxiedPlayer who, boolean includeSuspectors) {
    List<IPlayer> list = new ArrayList<>();
    Iterable<IPlayer> players = Iterables
            .concat(Collections2.transform(playerProviders, new Function<IPlayerProvider, Iterable<IPlayer>>() {
                @Override//from   w  ww.  ja  v a 2  s .  c  o m
                public Iterable<IPlayer> apply(IPlayerProvider iPlayerProvider) {
                    return iPlayerProvider.getPlayers();
                }
            }));
    for (IPlayer p : players) {
        boolean areGroupRules = false;
        boolean areServerRules = false;
        boolean fitGroupRules = false;
        boolean fitServerRules = false;
        String group = plugin.getPermissionManager().getMainGroup(p);
        for (String rule : filter) {
            if (rule.isEmpty()) {
                // ignore
            } else {
                Optional<ServerInfo> server = p.getServer();
                if (rule.equalsIgnoreCase("currentserver")) {
                    areServerRules = true;
                    if (server.isPresent() && who.getServer() != null) {
                        if (server.get().getName().equalsIgnoreCase(who.getServer().getInfo().getName())) {
                            fitServerRules = true;
                        }
                    }
                } else if (isServer(rule)) {
                    areServerRules = true;
                    if (server.isPresent()) {
                        if (server.get().getName().equalsIgnoreCase(rule)) {
                            fitServerRules = true;
                        }
                        String[] s = rule.split("#");
                        if (s.length == 2) {
                            if (server.get().getName().equalsIgnoreCase(s[0])) {
                                String world = plugin.getBridge().getPlayerInformation(p, "world");
                                if (world != null) {
                                    if (world.equalsIgnoreCase(s[1])) {
                                        fitServerRules = true;
                                    }
                                }
                            }
                        }
                    }
                } else {
                    areGroupRules = true;
                    if (group != null) {
                        if (group.equalsIgnoreCase(rule)) {
                            fitGroupRules = true;
                        }
                    }
                }
            }
        }
        if (((!areServerRules) || fitServerRules) && ((!areGroupRules) || fitGroupRules)
                && !BungeeTabListPlus.isHidden(p, who) && (includeSuspectors || p.getGameMode() != 3)) {
            list.add(p);
        }
    }
    return list;
}

From source file:org.jclouds.ec2.compute.strategy.EC2GetNodeMetadataStrategy.java

public RunningInstance getRunningInstanceInRegion(String region, String id) {
    return getOnlyElement(
            Iterables.concat(client.getInstanceApi().get().describeInstancesInRegion(region, id)));
}

From source file:org.apache.giraph.block_app.framework.block.RepeatBlock.java

@Override
public Iterator<AbstractPiece> iterator() {
    return Iterables.concat(Collections.nCopies(repeatTimes.get(), block)).iterator();
}

From source file:eu.itesla_project.iidm.network.impl.MergedBus.java

@Override
public Iterable<TerminalExt> getConnectedTerminals() {
    checkValidity();/*from  w  w w.  j a  va 2s  .c o  m*/
    List<Iterable<TerminalExt>> iterables = new ArrayList<>(buses.size());
    for (ConfiguredBus bus : buses) {
        iterables.add(bus.getConnectedTerminals());
    }
    return Iterables.concat(iterables);
}

From source file:com.google.devtools.build.lib.query2.RBuildFilesVisitor.java

@Override
protected Visit getVisitResult(Iterable<SkyKey> values) throws InterruptedException {
    Collection<Iterable<SkyKey>> reverseDeps = env.graph.getReverseDeps(values).values();
    Set<SkyKey> keysToUseForResult = CompactHashSet.create();
    Set<SkyKey> keysToVisitNext = CompactHashSet.create();
    for (SkyKey rdep : Iterables.concat(reverseDeps)) {
        if (rdep.functionName().equals(SkyFunctions.PACKAGE)) {
            keysToUseForResult.add(rdep);
            // Every package has a dep on the external package, so we need to include those edges too.
            if (rdep.equals(EXTERNAL_PACKAGE_KEY)) {
                keysToVisitNext.add(rdep);
            }//from  www  .  j a v a  2 s.com
        } else if (!rdep.functionName().equals(SkyFunctions.PACKAGE_LOOKUP)
                && !rdep.functionName().equals(SkyFunctions.GLOB)) {
            // Packages may depend on the existence of subpackages, but these edges aren't relevant to
            // rbuildfiles. They may also depend on files transitively through globs, but these cannot
            // be included in load statements and so we don't traverse through these either.
            keysToVisitNext.add(rdep);
        }
    }
    return new Visit(keysToUseForResult, keysToVisitNext);
}

From source file:co.cask.tigon.internal.app.runtime.flow.FlowUtils.java

/**
 * Configures all queues being used in a flow.
 *
 * @return A Multimap from flowletId to QueueName where the flowlet is a consumer of.
 *//*from  w  w w.  j  a  va  2  s  . c om*/
public static Multimap<String, QueueName> configureQueue(Program program, FlowSpecification flowSpec,
        QueueAdmin queueAdmin) {
    // Generate all queues specifications
    Table<QueueSpecificationGenerator.Node, String, Set<QueueSpecification>> queueSpecs = new SimpleQueueSpecificationGenerator()
            .create(flowSpec);

    // For each queue in the flow, gather a map of consumer groupId to number of instances
    Table<QueueName, Long, Integer> queueConfigs = HashBasedTable.create();

    // For storing result from flowletId to queue.
    ImmutableSetMultimap.Builder<String, QueueName> resultBuilder = ImmutableSetMultimap.builder();

    // Loop through each flowlet
    for (Map.Entry<String, FlowletDefinition> entry : flowSpec.getFlowlets().entrySet()) {
        String flowletId = entry.getKey();
        long groupId = FlowUtils.generateConsumerGroupId(program, flowletId);
        int instances = entry.getValue().getInstances();

        // For each queue that the flowlet is a consumer, store the number of instances for this flowlet
        for (QueueSpecification queueSpec : Iterables.concat(queueSpecs.column(flowletId).values())) {
            queueConfigs.put(queueSpec.getQueueName(), groupId, instances);
            resultBuilder.put(flowletId, queueSpec.getQueueName());
        }
    }

    try {
        // For each queue in the flow, configure it through QueueAdmin
        for (Map.Entry<QueueName, Map<Long, Integer>> row : queueConfigs.rowMap().entrySet()) {
            LOG.info("Queue config for {} : {}", row.getKey(), row.getValue());
            queueAdmin.configureGroups(row.getKey(), row.getValue());
        }
        return resultBuilder.build();
    } catch (Exception e) {
        LOG.error("Failed to configure queues", e);
        throw Throwables.propagate(e);
    }
}

From source file:org.jclouds.blobstore.strategy.internal.ConcatenateContainerLists.java

@Override
public Iterable<? extends StorageMetadata> execute(String container, ListContainerOptions options) {
    try {/*from  ww w.j  a va 2  s  . c  om*/
        boolean truncated = true;
        List<PageSet<? extends StorageMetadata>> listings = Lists.newArrayList();
        while (truncated) {
            PageSet<? extends StorageMetadata> listing = connection.list(container, options);
            truncated = listing.getNextMarker() != null;
            if (truncated) {
                options = options instanceof ImmutableListContainerOptions
                        ? options.clone().afterMarker(listing.getNextMarker())
                        : options.afterMarker(listing.getNextMarker());
            }
            listings.add(listing);
        }
        return Iterables.concat(listings);
    } catch (Exception e) {
        Throwables.propagateIfPossible(e, BlobRuntimeException.class);
        throw new BlobRuntimeException("Error getting resource metadata in container: " + container, e);
    }
}