Package org.teavm.classlib.java.util.stream

Class TCollectors

java.lang.Object

org.teavm.classlib.java.util.stream.TCollectors

public final class TCollectors
extends Object

Method Summary

Modifier and Type	Method	Description
static <T> TCollector<T,?,Double>	averagingDouble(ToDoubleFunction<? super T> mapper)
static <T> TCollector<T,?,Double>	averagingInt(ToIntFunction<? super T> mapper)
static <T> TCollector<T,?,Double>	averagingLong(ToLongFunction<? super T> mapper)
static <T, A, R, K> TCollector<T,A,K>	collectingAndThen(TCollector<T,A,R> downstream, Function<R,K> finisher)
static <T> TCollector<T,?,Long>	counting()
static <T, A, R> TCollector<T,?,R>	filtering(Predicate<? super T> predicate, TCollector<? super T,A,R> downstream)
static <T, A, R, K> TCollector<T,?,K>	flatMapping(Function<? super T,? extends TStream<? extends A>> mapper, TCollector<? super A,R,K> downstream)
static <E, K> TCollector<E,?,Map<K,List<E>>>	groupingBy(Function<? super E,? extends K> keyExtractor)
static <E, K, V, I, M extends Map<K, V>> TCollector<E,?,M>	groupingBy(Function<? super E,? extends K> keyExtractor, Supplier<M> mapFactory, TCollector<? super E,I,V> downstream)
static <E, K, V, I> TCollector<E,?,Map<K,V>>	groupingBy(Function<? super E,? extends K> keyExtractor, TCollector<? super E,I,V> downstream)
static TCollector<CharSequence,?,String>	joining()
static TCollector<CharSequence,?,String>	joining(CharSequence delimiter)
static TCollector<CharSequence,?,String>	joining(CharSequence delimiter, CharSequence prefix, CharSequence suffix)
static <T, A, R, K> TCollector<T,?,K>	mapping(Function<? super T,? extends A> mapper, TCollector<? super A,R,K> downstream)
static <T> TCollector<T,?,Optional<T>>	maxBy(Comparator<? super T> comparator)
static <T> TCollector<T,?,Optional<T>>	minBy(Comparator<? super T> comparator)
static <T> TCollector<T,?,Map<Boolean,List<T>>>	partitioningBy(Predicate<? super T> predicate)
static <T, A, R> TCollector<T,?,Map<Boolean,R>>	partitioningBy(Predicate<? super T> predicate, TCollector<? super T,A,R> downstream)
static <T> TCollector<T,?,Optional<T>>	reducing(BinaryOperator<T> op)
static <T> TCollector<T,?,T>	reducing(T identity, BinaryOperator<T> op)
static <T, U> TCollector<T,?,U>	reducing(U identity, Function<? super T,? extends U> mapper, BinaryOperator<U> op)
static <T> TCollector<T,?,TDoubleSummaryStatistics>	summarizingDouble(ToDoubleFunction<? super T> mapper)
static <T> TCollector<T,?,TIntSummaryStatistics>	summarizingInt(ToIntFunction<? super T> mapper)
static <T> TCollector<T,?,TLongSummaryStatistics>	summarizingLong(ToLongFunction<? super T> mapper)
static <T> TCollector<T,?,Double>	summingDouble(ToDoubleFunction<? super T> mapper)
static <T> TCollector<T,?,Integer>	summingInt(ToIntFunction<? super T> mapper)
static <T> TCollector<T,?,Long>	summingLong(ToLongFunction<? super T> mapper)
static <T, R1, R2, R> TCollector<T,?,R>	teeing(TCollector<? super T,?,R1> left, TCollector<? super T,?,R2> right, BiFunction<? super R1,? super R2,R> merger)
static <T, C extends Collection<T>> TCollector<T,?,C>	toCollection(Supplier<C> collectionFactory)
static <T> TCollector<T,?,List<T>>	toList()
static <E, K, V> TCollector<E,?,Map<K,V>>	toMap(Function<? super E,? extends K> keyMapper, Function<? super E,? extends V> valueMapper)
static <E, K, V> TCollector<E,?,Map<K,V>>	toMap(Function<? super E,? extends K> keyMapper, Function<? super E,? extends V> valueMapper, BinaryOperator<V> mergeFunction)
static <E, K, V, M extends Map<K, V>> TCollector<E,?,M>	toMap(Function<? super E,? extends K> keyMapper, Function<? super E,? extends V> valueMapper, BinaryOperator<V> mergeFunction, Supplier<M> mapFactory)
static <T> TCollector<T,?,Set<T>>	toSet()
static <T> TCollector<T,?,List<T>>	toUnmodifiableList()
static <E, K, V> TCollector<E,?,Map<K,V>>	toUnmodifiableMap(Function<? super E,? extends K> keyMapper, Function<? super E,? extends V> valueMapper)
static <E, K, V> TCollector<E,?,Map<K,V>>	toUnmodifiableMap(Function<? super E,? extends K> keyMapper, Function<? super E,? extends V> valueMapper, BinaryOperator<V> mergeFunction)
static <T> TCollector<T,?,Set<T>>	toUnmodifiableSet()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

toCollection

public static <T,
C extends Collection<T>>
TCollector<T,?,C> toCollection(Supplier<C> collectionFactory)

toList

public static <T> TCollector<T,?,List<T>> toList()

toUnmodifiableList

public static <T> TCollector<T,?,List<T>> toUnmodifiableList()

toSet

public static <T> TCollector<T,?,Set<T>> toSet()

toUnmodifiableSet

public static <T> TCollector<T,?,Set<T>> toUnmodifiableSet()

joining

public static TCollector<CharSequence,?,String> joining()

joining

public static TCollector<CharSequence,?,String> joining(CharSequence delimiter)

joining

public static TCollector<CharSequence,?,String> joining(CharSequence delimiter,
 CharSequence prefix,
 CharSequence suffix)

mapping

public static <T,
A,
R,
K> TCollector<T,?,K> mapping(Function<? super T,? extends A> mapper,
 TCollector<? super A,R,K> downstream)

flatMapping

public static <T,
A,
R,
K> TCollector<T,?,K> flatMapping(Function<? super T,? extends TStream<? extends A>> mapper,
 TCollector<? super A,R,K> downstream)

filtering

public static <T,
A,
R> TCollector<T,?,R> filtering(Predicate<? super T> predicate,
 TCollector<? super T,A,R> downstream)

toMap

public static <E,
K,
V> TCollector<E,?,Map<K,V>> toMap(Function<? super E,? extends K> keyMapper,
 Function<? super E,? extends V> valueMapper)

toUnmodifiableMap

public static <E,
K,
V> TCollector<E,?,Map<K,V>> toUnmodifiableMap(Function<? super E,? extends K> keyMapper,
 Function<? super E,? extends V> valueMapper)

toMap

public static <E,
K,
V> TCollector<E,?,Map<K,V>> toMap(Function<? super E,? extends K> keyMapper,
 Function<? super E,? extends V> valueMapper,
 BinaryOperator<V> mergeFunction)

toUnmodifiableMap

public static <E,
K,
V> TCollector<E,?,Map<K,V>> toUnmodifiableMap(Function<? super E,? extends K> keyMapper,
 Function<? super E,? extends V> valueMapper,
 BinaryOperator<V> mergeFunction)

toMap

public static <E,
K,
V,
M extends Map<K,
V>>
TCollector<E,?,M> toMap(Function<? super E,? extends K> keyMapper,
 Function<? super E,? extends V> valueMapper,
 BinaryOperator<V> mergeFunction,
 Supplier<M> mapFactory)

groupingBy

public static <E,
K> TCollector<E,?,Map<K,List<E>>> groupingBy(Function<? super E,? extends K> keyExtractor)

groupingBy

public static <E,
K,
V,
I> TCollector<E,?,Map<K,V>> groupingBy(Function<? super E,? extends K> keyExtractor,
 TCollector<? super E,I,V> downstream)

groupingBy

public static <E,
K,
V,
I,
M extends Map<K,
V>>
TCollector<E,?,M> groupingBy(Function<? super E,? extends K> keyExtractor,
 Supplier<M> mapFactory,
 TCollector<? super E,I,V> downstream)

collectingAndThen

public static <T,
A,
R,
K> TCollector<T,A,K> collectingAndThen(TCollector<T,A,R> downstream,
 Function<R,K> finisher)

reducing

public static <T> TCollector<T,?,Optional<T>> reducing(BinaryOperator<T> op)

reducing

public static <T> TCollector<T,?,T> reducing(T identity,
 BinaryOperator<T> op)

reducing

public static <T,
U> TCollector<T,?,U> reducing(U identity,
 Function<? super T,? extends U> mapper,
 BinaryOperator<U> op)

minBy

public static <T> TCollector<T,?,Optional<T>> minBy(Comparator<? super T> comparator)

maxBy

public static <T> TCollector<T,?,Optional<T>> maxBy(Comparator<? super T> comparator)

counting

public static <T> TCollector<T,?,Long> counting()

summingInt

public static <T> TCollector<T,?,Integer> summingInt(ToIntFunction<? super T> mapper)

summingLong

public static <T> TCollector<T,?,Long> summingLong(ToLongFunction<? super T> mapper)

summingDouble

public static <T> TCollector<T,?,Double> summingDouble(ToDoubleFunction<? super T> mapper)

averagingInt

public static <T> TCollector<T,?,Double> averagingInt(ToIntFunction<? super T> mapper)

averagingLong

public static <T> TCollector<T,?,Double> averagingLong(ToLongFunction<? super T> mapper)

averagingDouble

public static <T> TCollector<T,?,Double> averagingDouble(ToDoubleFunction<? super T> mapper)

summarizingInt

public static <T>
TCollector<T,?,TIntSummaryStatistics> summarizingInt(ToIntFunction<? super T> mapper)

summarizingLong

public static <T>
TCollector<T,?,TLongSummaryStatistics> summarizingLong(ToLongFunction<? super T> mapper)

summarizingDouble

public static <T>
TCollector<T,?,TDoubleSummaryStatistics> summarizingDouble(ToDoubleFunction<? super T> mapper)

teeing

public static <T,
R1,
R2,
R> TCollector<T,?,R> teeing(TCollector<? super T,?,R1> left,
 TCollector<? super T,?,R2> right,
 BiFunction<? super R1,? super R2,R> merger)

partitioningBy

public static <T,
A,
R>
TCollector<T,?,Map<Boolean,R>> partitioningBy(Predicate<? super T> predicate,
 TCollector<? super T,A,R> downstream)

partitioningBy

public static <T>
TCollector<T,?,Map<Boolean,List<T>>> partitioningBy(Predicate<? super T> predicate)