Package org.midheaven.collections

Interface AssociatedEnumerable<K,V>

Type Parameters:

K - the type of the key

V - the type of the value

All Superinterfaces:

Enumerable<Association.Entry<K,V>>, Iterable<Association.Entry<K,V>>

public interface AssociatedEnumerable<K,V>
extends Enumerable<Association.Entry<K,V>>

An Enumerable of Association.Entrys with additional operations

Method Summary

Modifier and Type	Method	Description
default <Q, W> AssociatedEnumerable<Q,W>	mapEntries(Function<Association.Entry<K,V>,Association.Entry<Q,W>> mapper)	Maps Association.Entry to new Association.Entry
default <Q> AssociatedEnumerable<Q,V>	mapKey(Function<K,Q> mapper)	Maps existing keys to new keys , keeping the same values
default <W> AssociatedEnumerable<K,W>	mapValue(Function<V,W> mapper)	Maps existing keys to new values , keeping the same keys
default Association<K,V>	toAssociation()	Returns an Association with the keys and values in this

Methods inherited from interface org.midheaven.collections.Enumerable

allMatch, any, anyMatch, as, associate, associate, cast, collect, concat, count, distinct, enumerator, filter, first, flatMap, groupBy, isEmpty, iterator, limit, map, maximum, minimum, ofType, peek, reduce, reduce, skip, sorted, toArray, toArray, toArray, toDistinctAssortment, toSequence, toSequence, with, zip

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Details

toAssociation

default Association<K,V> toAssociation()

Returns an Association with the keys and values in this

Returns:

the result of toAssociation

mapEntries

default <Q,
W> AssociatedEnumerable<Q,W> mapEntries(Function<Association.Entry<K,V>,Association.Entry<Q,W>> mapper)

Maps Association.Entry to new Association.Entry

Parameters:

mapper - the mapping function

Returns:

a new AssociatedEnumerable of the new entries

mapKey

default <Q> AssociatedEnumerable<Q,V> mapKey(Function<K,Q> mapper)

Maps existing keys to new keys , keeping the same values

Parameters:

mapper - the mapping function

Returns:

a new AssociatedEnumerable of the new entries with keys changed

mapValue

default <W> AssociatedEnumerable<K,W> mapValue(Function<V,W> mapper)

Maps existing keys to new values , keeping the same keys

Parameters:

mapper - the mapping function

Returns:

a new AssociatedEnumerable of the new entries with values changed