Package one.microstream.equality

Interface Equalator<T>

All Known Subinterfaces:

HashEqualator<T>, HashEqualator.IdentityHashEqualator<E>, HashEqualator.ImmutableHashEqualator<E>, HashEqualator.ImmutableValueTypeHashEqualator<E>, HashEqualator.ValueTypeHashEqualator<E>, IdentityEqualator<E>, ValueTypeEqualator<E>

All Known Implementing Classes:

Equalator.ComparatorWrapper, Equalator.Sequence, PersistenceTypeDescriptionMember.IdentityHashEqualator, TypePair.HashEquality

public interface Equalator<T>

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	Equalator.ComparatorWrapper<T>
static interface	Equalator.Provider<T>
static class	Equalator.Sequence<T>	Useful for implementing SQL-like "GROUP BY" for collections.

Method Summary

Modifier and Type	Method	Description
static <E> Equalator<E>	Chain(Equalator<? super E>... equalators)
boolean	equal(T object1, T object2)
static <E> Equalator<E>	identity()
default Predicate<T>	sample(T sample)
static <E> Equalator<E>	value()
static <E> Equalator<E>	Wrap(Comparator<? super E> comparator)

Method Detail

equal

boolean equal(T object1,
              T object2)

sample

default Predicate<T> sample(T sample)

Wrap

static <E> Equalator<E> Wrap(Comparator<? super E> comparator)

Chain

@SafeVarargs
static <E> Equalator<E> Chain(Equalator<? super E>... equalators)

value

static <E> Equalator<E> value()

identity

static <E> Equalator<E> identity()