Example usage for com.google.common.collect Streams stream

Introduction

In this page you can find the example usage for com.google.common.collect Streams stream.

Prototype

public static DoubleStream stream(OptionalDouble optional)

Source Link

Document

If a value is present in optional , returns a stream containing only that element, otherwise returns an empty stream.

Usage

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

public static <T> String callbackNames(Iterable<NamedThreadSafeOutputFormatterCallback<T>> callbacks) {
    return Streams.stream(callbacks).map(NamedThreadSafeOutputFormatterCallback::getName)
            .collect(joining(", "));
}

From source file:com.linecorp.armeria.server.docs.ServiceSpecification.java

/**
 * Merges the specified {@link ServiceSpecification}s into one.
 *//*from w w  w.  ja  v  a  2 s  .c o m*/
public static ServiceSpecification merge(Iterable<ServiceSpecification> specs) {
    return new ServiceSpecification(
            Streams.stream(specs).flatMap(s -> s.services().values().stream())::iterator,
            Streams.stream(specs).flatMap(s -> s.classes().values().stream())::iterator);
}

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

public static JavaStrictCompilationArgsProvider merge(Collection<JavaStrictCompilationArgsProvider> providers) {
    Collection<JavaCompilationArgsProvider> javaCompilationArgsProviders = Streams.stream(providers)
            .map(x -> x.getJavaCompilationArgsProvider()).collect(Collectors.toList());
    return new JavaStrictCompilationArgsProvider(
            JavaCompilationArgsProvider.merge(javaCompilationArgsProviders));
}

From source file:ec.tss.tsproviders.db.DbSeries.java

@Nonnull
public static DbSeries findById(@Nonnull Iterable<DbSeries> iterable, @Nonnull DbSetId id)
        throws NoSuchElementException {
    return Streams.stream(iterable).filter(o -> (o != null) ? id.equals(o.getId()) : false).findFirst()
            .orElseThrow(NoSuchElementException::new);
}

From source file:com.facebook.buck.rules.coercer.IntConcatenatingCoercer.java

@Nullable
@Override
public Object concat(Iterable<Object> elements) {
    return Streams.stream(elements).mapToInt(Integer.class::cast).sum();
}

From source file:ec.tstoolkit.utilities.Trees.java

@Nonnull
public static <T> Stream<T> breadthFirstStream(@Nonnull T root,
        @Nonnull Function<? super T, ? extends Stream<? extends T>> children) {
    return Streams.stream(breadthFirstIterable(root, children));
}

From source file:ec.tss.tsproviders.db.DbSeries.java

@Nonnull
public static List<DbSeries> filterByAncestor(@Nonnull Iterable<DbSeries> iterable, @Nonnull DbSetId ancestor) {
    return Streams.stream(iterable).filter(o -> (o != null) ? isDescendant(ancestor, o.getId()) : false)
            .collect(Collectors.toList());
}

From source file:com.facebook.presto.sql.planner.iterative.RuleStore.java

public Stream<Rule> getCandidates(PlanNode planNode) {
    return Streams.stream(ancestors(planNode.getClass())).flatMap(clazz -> rulesByClass.get(clazz).stream());
}

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

public static String callbackNames(Iterable<CqueryThreadsafeCallback> callbacks) {
    return Streams.stream(callbacks).map(CqueryThreadsafeCallback::getName).collect(joining(", "));
}

From source file:ec.tstoolkit.utilities.Trees.java

@Nonnull
public static <T> Stream<T> depthFirstStream(@Nonnull T root,
        @Nonnull Function<? super T, ? extends Stream<? extends T>> children) {
    return Streams.stream(depthFirstIterable(root, children));
}