Top Description Inners Fields Constructors Methods
com.google.common.collect

pack-priv final Class CollectCollectors

extends Object
Class Inheritance
Annotations
@GwtCompatible
@ElementTypesAreNonnullByDefault
Static Imports
com.google.common.base.Preconditions.checkNotNull, java.util.Collections.singletonMap, java.util.stream.Collectors.collectingAndThen
Collectors utilities for common.collect internals.

Nested and Inner Type Summary

Modifier and TypeClass and Description
private static class
CollectCollectors.EnumMapAccumulator<K extends Enum<K>, V>

private static class
CollectCollectors.EnumSetAccumulator<E extends Enum<E>>

Field Summary

Modifier and TypeField and Description
private static final Collector<Object, ?, ImmutableList<Object>>
TO_IMMUTABLE_LIST

private static final Collector<Range<Comparable<?>>, ?, ImmutableRangeSet<Comparable<?>>>
TO_IMMUTABLE_RANGE_SET

private static final Collector<Object, ?, ImmutableSet<Object>>
TO_IMMUTABLE_SET

Constructor Summary

AccessConstructor and Description
private
CollectCollectors()

Method Summary

Modifier and TypeMethod and Description
pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableListMultimap<K, V>>
flatteningToImmutableListMultimap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends Stream<? extends V>> valuesFunction)

pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableSetMultimap<K, V>>
flatteningToImmutableSetMultimap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends Stream<? extends V>> valuesFunction)

pack-priv static <T extends @Nullable Object, K extends @Nullable Object, V extends @Nullable Object, M extends Multimap<K, V>> Collector<T, ?, M>
flatteningToMultimap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends Stream<? extends V>> valueFunction, Supplier<M> multimapSupplier)

pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableBiMap<K, V>>
toImmutableBiMap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction)

pack-priv static <T extends @Nullable Object, K extends Enum<K>, V> Collector<T, ?, ImmutableMap<K, V>>
toImmutableEnumMap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction)

pack-priv static <T extends @Nullable Object, K extends Enum<K>, V> Collector<T, ?, ImmutableMap<K, V>>
toImmutableEnumMap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction, BinaryOperator<V> mergeFunction)

pack-priv static <E extends Enum<E>> Collector<E, ?, ImmutableSet<E>>
toImmutableEnumSet()

private static <E extends Enum<E>> Collector<E, CollectCollectors.EnumSetAccumulator<E>, ImmutableSet<E>>
toImmutableEnumSetGeneric()

pack-priv static <E> Collector<E, ?, ImmutableList<E>>
toImmutableList()

pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableListMultimap<K, V>>
toImmutableListMultimap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction)

pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableMap<K, V>>
toImmutableMap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction)

pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableMap<K, V>>
toImmutableMap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction, BinaryOperator<V> mergeFunction)

pack-priv static <T extends @Nullable Object, E> Collector<T, ?, ImmutableMultiset<E>>
toImmutableMultiset(Function<? super T, ? extends E> elementFunction, ToIntFunction<? super T> countFunction)

pack-priv static <T extends @Nullable Object, K extends Comparable<? super K>, V> Collector<T, ?, ImmutableRangeMap<K, V>>
toImmutableRangeMap(Function<? super T, Range<K>> keyFunction, Function<? super T, ? extends V> valueFunction)

pack-priv static <E extends Comparable<? super E>> Collector<Range<E>, ?, ImmutableRangeSet<E>>
toImmutableRangeSet()

pack-priv static <E> Collector<E, ?, ImmutableSet<E>>
toImmutableSet()

pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableSetMultimap<K, V>>
toImmutableSetMultimap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction)

pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableSortedMap<K, V>>
toImmutableSortedMap(Comparator<? super K> comparator, Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction)

pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableSortedMap<K, V>>
toImmutableSortedMap(Comparator<? super K> comparator, Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction, BinaryOperator<V> mergeFunction)

pack-priv static <E> Collector<E, ?, ImmutableSortedSet<E>>
toImmutableSortedSet(Comparator<? super E> comparator)

pack-priv static <T extends @Nullable Object, K extends @Nullable Object, V extends @Nullable Object, M extends Multimap<K, V>> Collector<T, ?, M>
toMultimap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction, Supplier<M> multimapSupplier)

pack-priv static <T extends @Nullable Object, E extends @Nullable Object, M extends Multiset<E>> Collector<T, ?, M>
toMultiset(Function<? super T, E> elementFunction, ToIntFunction<? super T> countFunction, Supplier<M> multisetSupplier)

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

TO_IMMUTABLE_LISTback to summary
private static final Collector<Object, ?, ImmutableList<Object>> TO_IMMUTABLE_LIST
TO_IMMUTABLE_RANGE_SETback to summary
private static final Collector<Range<Comparable<?>>, ?, ImmutableRangeSet<Comparable<?>>> TO_IMMUTABLE_RANGE_SET
Annotations
@GwtIncompatible
TO_IMMUTABLE_SETback to summary
private static final Collector<Object, ?, ImmutableSet<Object>> TO_IMMUTABLE_SET

Constructor Detail

CollectCollectorsback to summary
private CollectCollectors()

Method Detail

flatteningToImmutableListMultimapback to summary
pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableListMultimap<K, V>> flatteningToImmutableListMultimap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends Stream<? extends V>> valuesFunction)
flatteningToImmutableSetMultimapback to summary
pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableSetMultimap<K, V>> flatteningToImmutableSetMultimap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends Stream<? extends V>> valuesFunction)
flatteningToMultimapback to summary
pack-priv static <T extends @Nullable Object, K extends @Nullable Object, V extends @Nullable Object, M extends Multimap<K, V>> Collector<T, ?, M> flatteningToMultimap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends Stream<? extends V>> valueFunction, Supplier<M> multimapSupplier)
toImmutableBiMapback to summary
pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableBiMap<K, V>> toImmutableBiMap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction)
toImmutableEnumMapback to summary
pack-priv static <T extends @Nullable Object, K extends Enum<K>, V> Collector<T, ?, ImmutableMap<K, V>> toImmutableEnumMap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction)
toImmutableEnumMapback to summary
pack-priv static <T extends @Nullable Object, K extends Enum<K>, V> Collector<T, ?, ImmutableMap<K, V>> toImmutableEnumMap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction, BinaryOperator<V> mergeFunction)
toImmutableEnumSetback to summary
pack-priv static <E extends Enum<E>> Collector<E, ?, ImmutableSet<E>> toImmutableEnumSet()
Annotations
@SuppressWarnings:rawtypes, unchecked
toImmutableEnumSetGenericback to summary
private static <E extends Enum<E>> Collector<E, CollectCollectors.EnumSetAccumulator<E>, ImmutableSet<E>> toImmutableEnumSetGeneric()
toImmutableListback to summary
pack-priv static <E> Collector<E, ?, ImmutableList<E>> toImmutableList()
Annotations
@SuppressWarnings:rawtypes, unchecked
toImmutableListMultimapback to summary
pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableListMultimap<K, V>> toImmutableListMultimap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction)
toImmutableMapback to summary
pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableMap<K, V>> toImmutableMap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction)
toImmutableMapback to summary
pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableMap<K, V>> toImmutableMap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction, BinaryOperator<V> mergeFunction)
toImmutableMultisetback to summary
pack-priv static <T extends @Nullable Object, E> Collector<T, ?, ImmutableMultiset<E>> toImmutableMultiset(Function<? super T, ? extends E> elementFunction, ToIntFunction<? super T> countFunction)
toImmutableRangeMapback to summary
pack-priv static <T extends @Nullable Object, K extends Comparable<? super K>, V> Collector<T, ?, ImmutableRangeMap<K, V>> toImmutableRangeMap(Function<? super T, Range<K>> keyFunction, Function<? super T, ? extends V> valueFunction)
Annotations
@GwtIncompatible
toImmutableRangeSetback to summary
pack-priv static <E extends Comparable<? super E>> Collector<Range<E>, ?, ImmutableRangeSet<E>> toImmutableRangeSet()
Annotations
@GwtIncompatible
@SuppressWarnings:rawtypes, unchecked
toImmutableSetback to summary
pack-priv static <E> Collector<E, ?, ImmutableSet<E>> toImmutableSet()
Annotations
@SuppressWarnings:rawtypes, unchecked
toImmutableSetMultimapback to summary
pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableSetMultimap<K, V>> toImmutableSetMultimap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction)
toImmutableSortedMapback to summary
pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableSortedMap<K, V>> toImmutableSortedMap(Comparator<? super K> comparator, Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction)
toImmutableSortedMapback to summary
pack-priv static <T extends @Nullable Object, K, V> Collector<T, ?, ImmutableSortedMap<K, V>> toImmutableSortedMap(Comparator<? super K> comparator, Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction, BinaryOperator<V> mergeFunction)
toImmutableSortedSetback to summary
pack-priv static <E> Collector<E, ?, ImmutableSortedSet<E>> toImmutableSortedSet(Comparator<? super E> comparator)
toMultimapback to summary
pack-priv static <T extends @Nullable Object, K extends @Nullable Object, V extends @Nullable Object, M extends Multimap<K, V>> Collector<T, ?, M> toMultimap(Function<? super T, ? extends K> keyFunction, Function<? super T, ? extends V> valueFunction, Supplier<M> multimapSupplier)
toMultisetback to summary
pack-priv static <T extends @Nullable Object, E extends @Nullable Object, M extends Multiset<E>> Collector<T, ?, M> toMultiset(Function<? super T, E> elementFunction, ToIntFunction<? super T> countFunction, Supplier<M> multisetSupplier)
com.google.common.collect back to summary

private Class CollectCollectors.EnumMapAccumulator<K extends Enum<K>, V>

extends Object
Class Inheritance
  • java.lang.Object
  • com.google.common.collect.CollectCollectors.EnumMapAccumulator

Field Summary

Modifier and TypeField and Description
private EnumMap<K, V>
map

private final BinaryOperator<V>
mergeFunction

Constructor Summary

AccessConstructor and Description
pack-priv
EnumMapAccumulator(BinaryOperator<V> mergeFunction)

Method Summary

Modifier and TypeMethod and Description
pack-priv CollectCollectors.EnumMapAccumulator<K, V>
combine(CollectCollectors.EnumMapAccumulator<K, V> other)

pack-priv void
put(K key, V value)

pack-priv ImmutableMap<K, V>
toImmutableMap()

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

mapback to summary
private EnumMap<K, V> map
Annotations
@CheckForNull
mergeFunctionback to summary
private final BinaryOperator<V> mergeFunction

Constructor Detail

EnumMapAccumulatorback to summary
pack-priv EnumMapAccumulator(BinaryOperator<V> mergeFunction)

Method Detail

combineback to summary
pack-priv CollectCollectors.EnumMapAccumulator<K, V> combine(CollectCollectors.EnumMapAccumulator<K, V> other)
putback to summary
pack-priv void put(K key, V value)
toImmutableMapback to summary
pack-priv ImmutableMap<K, V> toImmutableMap()
com.google.common.collect back to summary

private final Class CollectCollectors.EnumSetAccumulator<E extends Enum<E>>

extends Object
Class Inheritance
  • java.lang.Object
  • com.google.common.collect.CollectCollectors.EnumSetAccumulator

Field Summary

Modifier and TypeField and Description
private EnumSet<E>
set

pack-priv static final Collector<Enum<?>, ?, ImmutableSet<? extends Enum<?>>>
TO_IMMUTABLE_ENUM_SET

Constructor Summary

AccessConstructor and Description
private
EnumSetAccumulator()

Method Summary

Modifier and TypeMethod and Description
pack-priv void
add(E e)

pack-priv CollectCollectors.EnumSetAccumulator<E>
combine(CollectCollectors.EnumSetAccumulator<E> other)

pack-priv ImmutableSet<E>
toImmutableSet()

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

setback to summary
private EnumSet<E> set
Annotations
@CheckForNull
TO_IMMUTABLE_ENUM_SETback to summary
pack-priv static final Collector<Enum<?>, ?, ImmutableSet<? extends Enum<?>>> TO_IMMUTABLE_ENUM_SET
Annotations
@SuppressWarnings:rawtypes, unchecked

Constructor Detail

EnumSetAccumulatorback to summary
private EnumSetAccumulator()

Method Detail

addback to summary
pack-priv void add(E e)
combineback to summary
pack-priv CollectCollectors.EnumSetAccumulator<E> combine(CollectCollectors.EnumSetAccumulator<E> other)
toImmutableSetback to summary
pack-priv ImmutableSet<E> toImmutableSet()