com.jn.langx.util.function

类 Functions

java.lang.Object

com.jn.langx.util.function.Functions

public class Functions
extends Object

构造器概要

构造器

构造器和说明
Functions()

方法概要

限定符和类型	方法和说明
static <E> Predicate<E>	allPredicate(Predicate<E>... predicates)
static <E> Predicate<E>	andPredicate(Predicate<E>... predicates)
static <E> Predicate<E>	anyPredicate(Predicate<E>... predicates)
static <E> Predicate<E>	booleanPredicate(boolean value)
static <E1,E2> Predicate2<E1,E2>	booleanPredicate2(boolean value)
static <E1,E2> Predicate2<E1,E2>	deepEqualsPredicate()
static <K,V> Supplier<K,List<V>>	emptyArrayListSupplier() Supplier
static <I,E> Supplier<I,HashSet<E>>	emptyHashSetSupplier()
static <E> Supplier0<HashSet<E>>	emptyHashSetSupplier0()
static <I,E> Supplier<I,LinkedHashSet<E>>	emptyLinkedHashSetSupplier()
static <K,V> Supplier<K,List<V>>	emptyLinkedListSupplier()
static <E> Predicate<E>	emptyPredicate()
static <I,V> Supplier<I,Set<V>>	emptyTreeSetSupplier(Comparator<V> comparator)
static <E> Supplier0<TreeSet<E>>	emptyTreeSetSupplier0(Comparator<E> comparator)
static <E1,E2> Predicate2<E1,E2>	equalsPredicate()
static <E> Predicate<E>	falsePredicate()
static <E1,E2> Predicate2<E1,E2>	falsePredicate2()
static Function2<Double,Double,Double>	maxDoubleFunction()
static Function2<Float,Float,Float>	maxFloatFunction()
static Function2<Integer,Integer,Integer>	maxIntegerFunction()
static Function2<Long,Long,Long>	maxLongFunction()
static Function2<Double,Double,Double>	minDoubleFunction()
static Function2<Float,Float,Float>	minFloatFunction()
static Function2<Integer,Integer,Integer>	minIntegerFunction()
static Function2<Long,Long,Long>	minLongFunction()
static <E> Predicate<E>	nonNullPredicate() Predicate
static <E> Function<E,E>	noopFunction() Function, Mapper
static <E> Mapper<E,E>	noopMapper()
static <T> Supplier<T,T>	noopSupplier()
static <E> Predicate<E>	notEmptyPredicate()
static <E> Predicate<E>	nullPredicate()
static <E> Predicate<E>	orPredicate(Predicate<E>... predicates)
static Predicate<String>	stringContainsPredicate(String cantained)
static Function2<Double,Double,Double>	sumDoubleFunction()
static Function2<Float,Float,Float>	sumFloatFunction()
static Function2<Integer,Integer,Integer>	sumIntegerFunction()
static Function2<Long,Long,Long>	sumLongFunction()
static <E> Mapper<E,String>	toStringFunction()
static <E> Predicate<E>	truePredicate()
static <E1,E2> Predicate2<E1,E2>	truePredicate2()

从类继承的方法 java.lang.Object

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

构造器详细资料

Functions

public Functions()

方法详细资料

noopFunction

public static <E> Function<E,E> noopFunction()

Function, Mapper

noopMapper

public static <E> Mapper<E,E> noopMapper()

toStringFunction

public static <E> Mapper<E,String> toStringFunction()

maxIntegerFunction

public static Function2<Integer,Integer,Integer> maxIntegerFunction()

maxFloatFunction

public static Function2<Float,Float,Float> maxFloatFunction()

maxLongFunction

public static Function2<Long,Long,Long> maxLongFunction()

maxDoubleFunction

public static Function2<Double,Double,Double> maxDoubleFunction()

minIntegerFunction

public static Function2<Integer,Integer,Integer> minIntegerFunction()

minFloatFunction

public static Function2<Float,Float,Float> minFloatFunction()

minLongFunction

public static Function2<Long,Long,Long> minLongFunction()

minDoubleFunction

public static Function2<Double,Double,Double> minDoubleFunction()

sumIntegerFunction

public static Function2<Integer,Integer,Integer> sumIntegerFunction()

sumFloatFunction

public static Function2<Float,Float,Float> sumFloatFunction()

sumLongFunction

public static Function2<Long,Long,Long> sumLongFunction()

sumDoubleFunction

public static Function2<Double,Double,Double> sumDoubleFunction()

nonNullPredicate

public static <E> Predicate<E> nonNullPredicate()

Predicate

nullPredicate

public static <E> Predicate<E> nullPredicate()

emptyPredicate

public static <E> Predicate<E> emptyPredicate()

notEmptyPredicate

public static <E> Predicate<E> notEmptyPredicate()

truePredicate

public static <E> Predicate<E> truePredicate()

falsePredicate

public static <E> Predicate<E> falsePredicate()

booleanPredicate

public static <E> Predicate<E> booleanPredicate(boolean value)

truePredicate2

public static <E1,E2> Predicate2<E1,E2> truePredicate2()

falsePredicate2

public static <E1,E2> Predicate2<E1,E2> falsePredicate2()

booleanPredicate2

public static <E1,E2> Predicate2<E1,E2> booleanPredicate2(boolean value)

allPredicate

public static <E> Predicate<E> allPredicate(@NonNull
                                            Predicate<E>... predicates)

anyPredicate

public static <E> Predicate<E> anyPredicate(@NonNull
                                            Predicate<E>... predicates)

andPredicate

public static <E> Predicate<E> andPredicate(@NonNull
                                            Predicate<E>... predicates)

orPredicate

public static <E> Predicate<E> orPredicate(@NonNull
                                           Predicate<E>... predicates)

deepEqualsPredicate

public static <E1,E2> Predicate2<E1,E2> deepEqualsPredicate()

equalsPredicate

public static <E1,E2> Predicate2<E1,E2> equalsPredicate()

stringContainsPredicate

public static Predicate<String> stringContainsPredicate(String cantained)

emptyArrayListSupplier

public static <K,V> Supplier<K,List<V>> emptyArrayListSupplier()

Supplier

emptyLinkedListSupplier

public static <K,V> Supplier<K,List<V>> emptyLinkedListSupplier()

emptyHashSetSupplier0

public static <E> Supplier0<HashSet<E>> emptyHashSetSupplier0()

emptyHashSetSupplier

public static <I,E> Supplier<I,HashSet<E>> emptyHashSetSupplier()

emptyLinkedHashSetSupplier

public static <I,E> Supplier<I,LinkedHashSet<E>> emptyLinkedHashSetSupplier()

emptyTreeSetSupplier0

public static <E> Supplier0<TreeSet<E>> emptyTreeSetSupplier0(Comparator<E> comparator)

emptyTreeSetSupplier

public static <I,V> Supplier<I,Set<V>> emptyTreeSetSupplier(Comparator<V> comparator)

noopSupplier

public static <T> Supplier<T,T> noopSupplier()