Example usage for com.google.common.collect ImmutableSet builder

Introduction

In this page you can find the example usage for com.google.common.collect ImmutableSet builder.

Prototype

public static <E> Builder<E> builder()

Source Link

Usage

From source file:com.twitter.common.net.pool.DynamicHostSetUtil.java

/**
 * Gets a snapshot of a set of dynamic hosts (e.g. a ServerSet) and returns a readable copy of
 * the underlying actual endpoints.//w ww.  j  ava 2  s.c  o m
 *
 * @param hostSet The hostSet to snapshot.
 * @throws MonitorException if there was a problem obtaining the snapshot.
 */
public static <T> ImmutableSet<T> getSnapshot(DynamicHostSet<T> hostSet) throws MonitorException {
    final ImmutableSet.Builder<T> snapshot = ImmutableSet.builder();
    Command unwatch = hostSet.watch(new HostChangeMonitor<T>() {
        @Override
        public void onChange(ImmutableSet<T> hostSet) {
            snapshot.addAll(hostSet);
        }
    });
    unwatch.execute();
    return snapshot.build();
}

From source file:com.facebook.presto.sql.planner.optimizations.AggregationNodeUtils.java

public static Set<Symbol> extractUnique(AggregationNode.Aggregation aggregation) {
    ImmutableSet.Builder<Symbol> builder = ImmutableSet.builder();
    aggregation.getArguments().forEach(argument -> builder.addAll(SymbolsExtractor.extractAll(argument)));
    aggregation.getFilter().ifPresent(filter -> builder.addAll(SymbolsExtractor.extractAll(filter)));
    aggregation.getOrderBy().ifPresent(orderingScheme -> builder.addAll(orderingScheme.getOrderBy().stream()
            .map(VariableReferenceExpression::getName).map(Symbol::new).collect(toImmutableSet())));
    return builder.build();
}

From source file:com.spectralogic.ds3autogen.utils.ArgumentsUtil.java

/**
 * Retrieves the set of all types within a list of Arguments
 *//*from  w  w w. j  a  va  2s . co  m*/
public static ImmutableSet<String> getAllArgumentTypes(final ImmutableList<Arguments> args) {
    if (isEmpty(args)) {
        return ImmutableSet.of();
    }
    final ImmutableSet.Builder<String> builder = ImmutableSet.builder();
    for (final Arguments arg : args) {
        builder.add(arg.getType());
    }
    return builder.build();
}

From source file:com.google.caliper.runner.target.TargetModule.java

@Provides
static ImmutableSet<VmType> vmTypes(ImmutableSet<Target> targets) {
    ImmutableSet.Builder<VmType> builder = ImmutableSet.builder();
    for (Target target : targets) {
        builder.add(target.vm().type());
    }//from   ww w .j a v  a2  s. com
    return builder.build();
}

From source file:com.google.cloud.dataflow.sdk.options.PipelineOptionsReflector.java

/**
 * Retrieve metadata for the full set of pipeline options visible within the type hierarchy
 * of a single {@link PipelineOptions} interface.
 *
 * @see PipelineOptionsReflector#getOptionSpecs(Iterable)
 *///ww w.j av  a 2 s .c o m
static Set<PipelineOptionSpec> getOptionSpecs(Class<? extends PipelineOptions> optionsInterface) {
    Iterable<Method> methods = ReflectHelpers.getClosureOfMethodsOnInterface(optionsInterface);
    Multimap<String, Method> propsToGetters = getPropertyNamesToGetters(methods);

    ImmutableSet.Builder<PipelineOptionSpec> setBuilder = ImmutableSet.builder();
    for (Map.Entry<String, Method> propAndGetter : propsToGetters.entries()) {
        String prop = propAndGetter.getKey();
        Method getter = propAndGetter.getValue();

        @SuppressWarnings("unchecked")
        Class<? extends PipelineOptions> declaringClass = (Class<? extends PipelineOptions>) getter
                .getDeclaringClass();

        if (!PipelineOptions.class.isAssignableFrom(declaringClass)) {
            continue;
        }

        if (declaringClass.isAnnotationPresent(Hidden.class)) {
            continue;
        }

        setBuilder.add(PipelineOptionSpec.of(declaringClass, prop, getter));
    }

    return setBuilder.build();
}

From source file:com.facebook.buck.query.QueryTargetAccessor.java

public static <T> ImmutableSet<QueryTarget> getTargetsInAttribute(TargetNode<T, ?> node, String attribute) {
    try {/*  w  w  w.j  a v a2s . c o  m*/
        final ImmutableSet.Builder<QueryTarget> builder = ImmutableSortedSet.naturalOrder();
        Class<?> constructorArgClass = node.getConstructorArg().getClass();
        Field field = constructorArgClass.getField(attribute);
        ParamInfo info = new ParamInfo(typeCoercerFactory, constructorArgClass, field);
        info.traverse(value -> {
            if (value instanceof Path) {
                builder.add(QueryFileTarget.of((Path) value));
            } else if (value instanceof SourcePath) {
                builder.add(extractSourcePath((SourcePath) value));
            } else if (value instanceof HasBuildTarget) {
                builder.add(extractBuildTargetContainer((HasBuildTarget) value));
            }
        }, node.getConstructorArg());
        return builder.build();
    } catch (NoSuchFieldException e) {
        // Ignore if the field does not exist in this rule.
        return ImmutableSet.of();
    }
}

From source file:com.google.doubleclick.openrtb.CompanionTypeMapper.java

public static ImmutableSet<CompanionType> toOpenRtb(Collection<CreativeFormat> dcList) {
    ImmutableSet.Builder<CompanionType> openrtbSet = ImmutableSet.builder();

    for (CreativeFormat dc : dcList) {
        openrtbSet.add(toOpenRtb(dc));//w w w  .  ja v a 2  s  .co  m
    }

    return openrtbSet.build();
}

From source file:net.techcable.pineapple.collect.ImmutableSets.java

public static <T, U> ImmutableSet<U> transform(Set<T> set, Function<T, U> transformer) {
    ImmutableSet.Builder<U> resultBuilder = builder(checkNotNull(set, "Null list").size());
    set.forEach((oldElement) -> {/*  w  w  w  . java  2  s. c om*/
        U newElement = checkNotNull(transformer, "Null transformer").apply(oldElement);
        if (newElement == null)
            throw new NullPointerException(
                    "Transformer  " + transformer.getClass().getTypeName() + " returned null.");
        resultBuilder.add(newElement);
    });
    return resultBuilder.build();
}

From source file:org.immutables.value.processor.meta.CaseStructure.java

private static Set<String> buildImplementedTypesSet(List<ValueType> implementationTypes) {
    ImmutableSet.Builder<String> builder = ImmutableSet.builder();
    for (ValueType discoveredValue : implementationTypes) {
        builder.add(discoveredValue.typeValue().toString());
    }/*from   w ww.ja  va 2  s. c om*/
    return builder.build();
}

From source file:com.google.doubleclick.openrtb.ExpandableDirectionMapper.java

public static ImmutableSet<ExpandableDirection> toOpenRtb(List<Integer> dcList) {
    boolean left = true, right = true, up = true, down = true;
    for (int dc : dcList) {
        switch (dc) {
        case 13 /* ExpandingDirection: ExpandingUp */:
            up = false;// w  ww.  j a  v  a2s  .  com
            break;
        case 14 /* ExpandingDirection: ExpandingDown */:
            down = false;
            break;
        case 15 /* ExpandingDirection: ExpandingLeft */:
            left = false;
            break;
        case 16 /* ExpandingDirection: ExpandingRight */:
            right = false;
            break;
        default:
        }
    }
    ImmutableSet.Builder<ExpandableDirection> openrtbSet = ImmutableSet.builder();
    if (left) {
        openrtbSet.add(ExpandableDirection.LEFT);
    }
    if (right) {
        openrtbSet.add(ExpandableDirection.RIGHT);
    }
    if (up) {
        openrtbSet.add(ExpandableDirection.UP);
    }
    if (down) {
        openrtbSet.add(ExpandableDirection.DOWN);
    }
    return openrtbSet.build();
}