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(Iterable<? extends T> a, Iterable<? extends T> b)

Source Link

Document

Combines two iterables into a single iterable.

Usage

From source file:net.oneandone.maven.plugins.cycles.graph.FeedbackArcSet.java

private static <V, E> Ordering<V> vertexOrdering(DirectedGraph<V, E> graph,
        VertexEvaluator<V, DirectedGraph<V, E>> evaluator) {
    List<V> front = Lists.newLinkedList();
    List<V> back = Lists.newLinkedList();

    // FIXME: there must be an easier way to clone a graph
    DirectedGraph<V, E> g = FilterUtils.createInducedSubgraph(graph.getVertices(), graph);

    while (!g.getVertices().isEmpty()) {
        collectSinks(g, back);/*  www  . j a va 2  s  . c o m*/
        collectSources(g, front);
        collectMaxDelta(g, front, evaluator);
    }

    return Ordering.explicit(Lists.newArrayList(Iterables.concat(front, back)));
}

From source file:org.eclipse.xtext.resource.containers.DescriptionAddingContainer.java

@Override
public Iterable<IEObjectDescription> getExportedObjects(EClass type, QualifiedName qualifiedName,
        boolean ignoreCase) {
    Iterable<IEObjectDescription> added = description.getExportedObjects(type, qualifiedName, ignoreCase);
    Iterable<IEObjectDescription> delegated = delegate.getExportedObjects(type, qualifiedName, ignoreCase);
    return Iterables.concat(added, delegated);
}

From source file:org.inferred.freebuilder.processor.util.CompilationUnitWriter.java

private static Iterable<TypeElement> siblingTypes(TypeElement type) {
    return Iterables.concat(ImmutableList.of(type), typesIn(type.getEnclosingElement().getEnclosedElements()));
}

From source file:org.summer.dsl.model.ui.notification.LayeredTypeResourceDescription.java

public Iterable<IEObjectDescription> getExportedObjectsByType(final EClass type) {
    Iterable<IEObjectDescription> additionallyFiltered = Iterables.filter(additionallyExported,
            new Predicate<IEObjectDescription>() {
                public boolean apply(IEObjectDescription input) {
                    return EcoreUtil2.isAssignableFrom(type, input.getEClass());
                }/* w  w w  . j  a va2s.  co m*/
            });
    return Iterables.concat(delegate.getExportedObjectsByType(type), additionallyFiltered);
}

From source file:com.torodb.torod.core.language.AttributeReference.java

public AttributeReference prepend(List<? extends Key> head) {
    return new AttributeReference(ImmutableList.copyOf(Iterables.concat(head, this.keys)));
}

From source file:com.torodb.core.language.AttributeReference.java

public AttributeReference prepend(List<? extends Key<?>> head) {
    return new AttributeReference(ImmutableList.copyOf(Iterables.concat(head, this.keys)));
}

From source file:org.graylog2.rest.SearchResponseCsvWriter.java

@Override
public void writeTo(SearchResponse searchResponse, Class<?> type, Type genericType, Annotation[] annotations,
        MediaType mediaType, MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream)
        throws IOException, WebApplicationException {
    final CSVWriter csvWriter = new CSVWriter(new OutputStreamWriter(entityStream, StandardCharsets.UTF_8));
    final ImmutableSortedSet<String> sortedFields = ImmutableSortedSet
            .copyOf(Iterables.concat(searchResponse.fields(), Lists.newArrayList("source", "timestamp")));

    // write field headers
    csvWriter.writeNext(sortedFields.toArray(new String[sortedFields.size()]));

    // write result set in same order as the header row
    final String[] fieldValues = new String[sortedFields.size()];
    for (ResultMessageSummary message : searchResponse.messages()) {
        int idx = 0;
        // first collect all values from the current message
        for (String fieldName : sortedFields) {
            final Object val = message.message().get(fieldName);
            fieldValues[idx++] = ((val == null) ? null : val.toString().replaceAll("\n", "\\\\n"));
            fieldValues[idx++] = ((val == null) ? null : val.toString().replaceAll("\r", "\\\\r"));
        }/*from   w  ww  .  j  a v a 2  s  . c om*/
        // write the complete line, some fields might not be present in the message, so there might be null values
        csvWriter.writeNext(fieldValues);
    }
    if (csvWriter.checkError()) {
        LOG.error(
                "Encountered unspecified error when writing message result as CSV, result is likely malformed.");
    }
    csvWriter.close();
}

From source file:com.google.devtools.build.lib.skyframe.ConfiguredTargetCycleReporter.java

@Override
protected boolean canReportCycle(SkyKey topLevelKey, CycleInfo cycleInfo) {
    if (!IS_CONFIGURED_TARGET_SKY_KEY.apply(topLevelKey)) {
        return false;
    }// w ww . j av  a2  s  . c o m
    Iterable<SkyKey> cycleKeys = Iterables.concat(cycleInfo.getPathToCycle(), cycleInfo.getCycle());
    // Static configurations expect all keys to be ConfiguredTargetValue keys. Dynamic
    // configurations expect the top-level key to be a ConfiguredTargetValue key, but cycles and
    // paths to them can travel through TransitiveTargetValue keys because ConfiguredTargetFunction
    // visits TransitiveTargetFunction as a part of dynamic configuration computation.
    //
    // Unfortunately this class can't easily figure out if we're in static or dynamic configuration
    // mode, so we loosely permit both cases.
    //
    // TODO: remove the static-style checking once dynamic configurations fully replace them
    return Iterables.all(cycleKeys,
            Predicates.<SkyKey>or(IS_CONFIGURED_TARGET_SKY_KEY, IS_TRANSITIVE_TARGET_SKY_KEY));
}

From source file:org.richfaces.cdk.templatecompiler.statements.IfStatement.java

@Override
public Iterable<JavaField> getRequiredFields() {
    return Iterables.concat(super.getRequiredFields(), testStatement.getRequiredFields());
}

From source file:com.opengamma.engine.depgraph.SimpleResolutionFailureVisitor.java

@Override
protected List<ResolutionFailure> visitFailedFunction(ValueRequirement valueRequirement, String function,
        ValueSpecification desiredOutput, Map<ValueSpecification, ValueRequirement> satisfied,
        Set<ResolutionFailure> unsatisfied, Set<ResolutionFailure> unsatisfiedAdditional) {
    return ImmutableList.copyOf(Iterables.concat(unsatisfied, unsatisfiedAdditional));
}