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

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.obm.push.HierarchyExporter.java

@Override
public BackendFolders getBackendFolders(UserDataRequest udr) {

    final List<BackendFolders> allFoldersIterables = Lists.newArrayList();
    for (PIMBackend backend : backends) {
        allFoldersIterables.add(backend.getBackendFolders(udr));

    }//  w  w  w  .j  a v  a2s  .  c o  m
    return new BackendFolders() {

        @Override
        public Iterator<BackendFolder> iterator() {
            return Iterables.concat(allFoldersIterables).iterator();
        }
    };
}

From source file:ummisco.gama.opengl.scene.SceneObjects.java

@Override
public Iterable<T> getObjects() {
    return Iterables.concat(objects);
}

From source file:org.apache.crunch.io.impl.ReadableDataImpl.java

@Override
public Iterable<T> read(TaskInputOutputContext<?, ?, ?, ?> ctxt) throws IOException {
    final Configuration conf = ctxt.getConfiguration();
    final FileReaderFactory<T> readerFactory = getFileReaderFactory();
    return Iterables.concat(Lists.transform(paths, new Function<String, Iterable<T>>() {
        @Override/*from  ww w.  j  a  v a  2s.  c  o  m*/
        public Iterable<T> apply(@Nullable String input) {
            Path path = getCacheFilePath(input, conf);
            try {
                FileSystem fs = path.getFileSystem(conf);
                return CompositePathIterable.create(fs, path, readerFactory);
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
    }));
}

From source file:co.cask.cdap.client.common.ClientTestBase.java

protected void verifyProgramRecords(List<String> expected, Map<ProgramType, List<ProgramRecord>> map) {
    verifyProgramNames(expected, Lists.newArrayList(Iterables.concat(map.values())));
}

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

@Override
public Iterable<TRow> repeat() {
    Iterable<TRow> repeatMe = storedForRepeat;
    if (repeatMe == null) {
        repeatMe = Iterables.concat(this.iterables.build());
        this.storedForRepeat = repeatMe;
    }//  w  ww  .  j a va2s  .  c  o m
    return repeatMe;
}

From source file:com.google.devtools.build.lib.rules.android.AndroidAaptActionHelper.java

/**
 * Returns the artifacts needed as inputs to process the resources/assets.
 *///from w w  w .ja v a2s . c o m
private Iterable<Artifact> getInputs() {
    if (inputs.isEmpty()) {
        inputs.add(AndroidSdkProvider.fromRuleContext(ruleContext).getAndroidJar());
        inputs.add(manifest);
        Iterables.addAll(inputs, Iterables.concat(
                Iterables.transform(resourceContainers, new Function<ResourceContainer, Iterable<Artifact>>() {
                    @Override
                    public Iterable<Artifact> apply(ResourceContainer container) {
                        return container.getArtifacts();
                    }
                })));
    }
    return inputs;
}

From source file:org.apache.provisionr.amazon.activities.AmazonActivity.java

protected List<Instance> collectInstancesFromReservations(List<Reservation> reservation) {
    /* Make a copy as an ArrayList to force lazy collection evaluation */
    List<List<Instance>> allInstances = Lists.transform(reservation,
            new Function<Reservation, List<Instance>>() {
                @Override//from   w ww .ja  v a2 s .  com
                public List<Instance> apply(Reservation reservation) {
                    return reservation.getInstances();
                }
            });

    return Lists.newArrayList(Iterables.concat(allInstances));
}

From source file:com.google.gerrit.server.index.PredicateWrapper.java

@Override
public ResultSet<ChangeData> read() throws OrmException {
    final List<ResultSet<ChangeData>> results = Lists.newArrayListWithCapacity(sources.size());
    for (ChangeDataSource source : sources) {
        results.add(source.read());//w  w  w.j a va  2  s  .  c o  m
    }
    return new ResultSet<ChangeData>() {
        @Override
        public Iterator<ChangeData> iterator() {
            // TODO(dborowitz): May return duplicates since moving a document
            // between indexes is not atomic.
            return Iterables.concat(results).iterator();
        }

        @Override
        public List<ChangeData> toList() {
            return Collections.unmodifiableList(Lists.newArrayList(iterator()));
        }

        @Override
        public void close() {
            for (ResultSet<ChangeData> rs : results) {
                rs.close();
            }
        }
    };
}

From source file:com.facebook.buck.parser.DefaultParser.java

@SuppressWarnings("unused")
@Override//from  ww  w .ja va  2s .  c  o m
protected ImmutableSet<BuildTarget> collectBuildTargetsFromTargetNodeSpecs(ParsingContext parsingContext,
        PerBuildState state, Iterable<? extends TargetNodeSpec> targetNodeSpecs,
        TargetConfiguration targetConfiguration, boolean excludeConfigurationTargets)
        throws InterruptedException {
    TargetNodeProviderForSpecResolver<TargetNode<?>> targetNodeProvider = createTargetNodeProviderForSpecResolver(
            state);

    return ImmutableSet.copyOf(
            Iterables.concat(targetSpecResolver.resolveTargetSpecs(parsingContext.getCell(), targetNodeSpecs,
                    // This parser doesn't support configured targets, explicitly erase information
                    // about target configuration
                    EmptyTargetConfiguration.INSTANCE,
                    (buildTarget, targetNode, targetType) -> applyDefaultFlavors(buildTarget, targetNode,
                            targetType, parsingContext.getApplyDefaultFlavorsMode()),
                    targetNodeProvider, (spec, nodes) -> spec.filter(nodes))));
}

From source file:blackboard.plugin.hayabusa.controller.ProviderRestController.java

@RequestMapping(value = "commands", method = RequestMethod.GET)
@ResponseStatus(value = HttpStatus.OK)/*from w w  w .  jav  a  2  s.  com*/
public @ResponseBody CommandResponse getCommands() {
    List<Provider> providers = _providerService.getProviders();
    List<Iterable<Command>> commands = Lists.newArrayList();
    for (Provider provider : providers) {
        commands.add(provider.getCommands());
    }

    CommandList commandList = new CommandList();
    Iterables.addAll(commandList, Iterables.concat(commands));
    return new CommandResponse(commandList);
}