Package com.g2forge.alexandria.java.core.helpers

Class HCollector

java.lang.Object

com.g2forge.alexandria.java.core.helpers.HCollector

public final class HCollector
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	HCollector.SimpleCollector<T,A,R>
static class	HCollector.StringJoinCollector

Method Summary

Modifier and Type	Method	Description
static <T> Collector<T,List<T>,List<T>>	interleave(T separator)
static Collector<CharSequence,?,String>	joining()
static Collector<CharSequence,?,String>	joining(CharSequence separator)
static Collector<CharSequence,?,String>	joining(CharSequence separatorNormal, CharSequence separatorLast)
static Collector<CharSequence,?,String>	joining(CharSequence prefix, CharSequence separator, CharSequence suffix)
static Collector<CharSequence,?,String>	joining(CharSequence prefix, CharSequence separatorNormal, CharSequence separatorLast, CharSequence suffix)
static <T> BinaryOperator<T>	mergeFail()
static <T,K> Collector<? super T,?,Map<K,List<T>>>	multiGroupingBy(Function<? super T,? extends Iterable<? extends K>> classifier)
static <T,K,D,A,M extends Map<K,D>> Collector<T,?,M>	multiGroupingBy(Function<? super T,? extends Iterable<? extends K>> classifier, Supplier<M> mapFactory, Collector<? super T,A,D> downstream)
static <T> Collector<T,?,T>	toAny()
static <T> Collector<T,?,T[]>	toArray(Class<T> type)
static <T> Collector<T,?,T>	toFirst()
static <K,V> Collector<Map.Entry<K,V>,?,Map<K,V>>	toMapEntries()
static <K,V> Collector<Tuple2G_O<K,V>,?,Map<K,V>>	toMapTuples()
static <T> Collector<T,?,T>	toOne()
static <T> Collector<T,?,Optional<T>>	toOptional()

Methods inherited from class java.lang.Object

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

Method Detail

toOptional

public static <T> Collector<T,?,Optional<T>> toOptional()

toOne

public static <T> Collector<T,?,T> toOne()

toFirst

public static <T> Collector<T,?,T> toFirst()

toAny

public static <T> Collector<T,?,T> toAny()

toArray

public static <T> Collector<T,?,T[]> toArray(Class<T> type)

toMapTuples

public static <K,V> Collector<Tuple2G_O<K,V>,?,Map<K,V>> toMapTuples()

toMapEntries

public static <K,V> Collector<Map.Entry<K,V>,?,Map<K,V>> toMapEntries()

multiGroupingBy

public static <T,K> Collector<? super T,?,Map<K,List<T>>> multiGroupingBy(Function<? super T,? extends Iterable<? extends K>> classifier)

mergeFail

public static <T> BinaryOperator<T> mergeFail()

multiGroupingBy

public static <T,K,D,A,M extends Map<K,D>> Collector<T,?,M> multiGroupingBy(Function<? super T,? extends Iterable<? extends K>> classifier,
                                                                                                                      Supplier<M> mapFactory,
                                                                                                                      Collector<? super T,A,D> downstream)

interleave

public static <T> Collector<T,List<T>,List<T>> interleave(T separator)

joining

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

joining

public static Collector<CharSequence,?,String> joining(CharSequence separator)

joining

public static Collector<CharSequence,?,String> joining(CharSequence prefix,
                                                                   CharSequence separator,
                                                                   CharSequence suffix)

joining

public static Collector<CharSequence,?,String> joining(CharSequence separatorNormal,
                                                                   CharSequence separatorLast)

joining

public static Collector<CharSequence,?,String> joining(CharSequence prefix,
                                                                   CharSequence separatorNormal,
                                                                   CharSequence separatorLast,
                                                                   CharSequence suffix)