net.digitalid.utility.functional.iterables

Interface CollectionIterable<ELEMENT>

All Superinterfaces:

net.digitalid.utility.interfaces.Countable, FiniteIterable<ELEMENT>, FunctionalIterable<ELEMENT>, Iterable<ELEMENT>

All Known Implementing Classes:

CollectionBasedIterable

@ReadOnly
public interface CollectionIterable<ELEMENT>
extends FiniteIterable<ELEMENT>

This interface extends the finite iterable interface to provide a faster size() implementation.

See Also:

CollectionBasedIterable

Method Summary

Modifier and Type	Method and Description
default boolean	isEmpty() Returns whether this iterable is empty.
@NonNegative int	size() Returns the size of this iterable.
default @NonNegative int	size(@Positive int limit) Returns the size of this iterable or the given limit if the size is greater than the limit.

Methods inherited from interface net.digitalid.utility.functional.iterables.FiniteIterable

average, collect, combine, combine, contains, containsAll, containsAll, containsDuplicates, containsNull, count, distinct, doForEach, equals, evaluate, exclude, filter, filterNot, filterNulls, findFirst, findFirst, findLast, findLast, findUnique, flatten, flattenAll, flattenOne, getFirst, getFirst, getFirstOrNull, getLast, getLast, getLastOrNull, groupBy, indexOf, instanceOf, intersect, isAscending, isDescending, isEmptyOrSingle, isOrdered, isSingle, isStrictlyAscending, isStrictlyDescending, join, join, join, join, join, join, join, join, lastIndexOf, map, matchAll, matchAny, matchNone, max, max, max, max, min, min, min, min, of, of, reduce, reduce, repeated, reversed, skip, sorted, sorted, sumAsDouble, sumAsLong, toArray, toArray, toGenericArray, toList, toMap, toSet, zipLongest, zipShortest

Methods inherited from interface net.digitalid.utility.functional.iterables.FunctionalIterable

extract, get, hasSize, iterator, limit, sizeAtLeast, sizeAtMost, zipLongest, zipShortest

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Method Detail

isEmpty

@Pure
default boolean isEmpty()

Description copied from interface: FunctionalIterable

Returns whether this iterable is empty.

Specified by:

isEmpty in interface net.digitalid.utility.interfaces.Countable

Specified by:

isEmpty in interface FiniteIterable<ELEMENT>

Specified by:

isEmpty in interface FunctionalIterable<ELEMENT>

size

@Pure
 @NonNegative
default @NonNegative int size(@Positive
                                                  @Positive int limit)

Description copied from interface: FunctionalIterable

Returns the size of this iterable or the given limit if the size is greater than the limit.

Specified by:

size in interface FunctionalIterable<ELEMENT>

size

@Pure
 @NonNegative
@NonNegative int size()

Description copied from interface: FiniteIterable

Returns the size of this iterable.

Specified by:

size in interface net.digitalid.utility.interfaces.Countable

Specified by:

size in interface FiniteIterable<ELEMENT>