Package org.javers.common.collections

Class Sets

java.lang.Object

org.javers.common.collections.Sets

public class Sets
extends Object

Method Summary

Modifier and Type	Method	Description
static <T> Map<Integer,T>	asMap(Set<T> input)
static <E> Set<E>	asSet(E... elements)
static <E> Set<E>	asSet(Collection<E> elements)
static <E> Set<E>	difference(Set<E> first, Set<E> second)	null args are allowed
static <E> Collection<E>	difference(Set<E> first, Set<E> second, Function<E,String> hasher)	null args are allowed
static <E> Set<E>	intersection(Set<E> first, Set<E> second)	null args are allowed
static <T> Set<T>	join(Set<T> a, Set<T> b)
static <t> Collector<t,Set<t>,Set<t>>	toImmutableSet()
static <F, T> Set<T>	transform(Set<F> input, Function<F,T> transformation)
static Set	wrapNull(Object set)
static <E> Set<E>	xor(Set<E> first, Set<E> second)

Methods inherited from class java.lang.Object

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

Method Details

wrapNull

public static Set wrapNull(Object set)

intersection

public static <E> Set<E> intersection(Set<E> first,
 Set<E> second)

null args are allowed

xor

public static <E> Set<E> xor(Set<E> first,
 Set<E> second)

difference

public static <E> Set<E> difference(Set<E> first,
 Set<E> second)

null args are allowed

Returns:

mutable set

difference

public static <E> Collection<E> difference(Set<E> first,
 Set<E> second,
 Function<E,String> hasher)

null args are allowed

asSet

public static <E> Set<E> asSet(E... elements)

asSet

public static <E> Set<E> asSet(Collection<E> elements)

transform

public static <F,
T> Set<T> transform(Set<F> input,
 Function<F,T> transformation)

Returns:

ImmutableSet

asMap

public static <T> Map<Integer,T> asMap(Set<T> input)

Returns:

index -> value

toImmutableSet

public static <t> Collector<t,Set<t>,Set<t>> toImmutableSet()

join

public static <T> Set<T> join(Set<T> a,
 Set<T> b)