org.neo4j.collection.primitive

Class PrimitiveIntCollections

java.lang.Object

org.neo4j.collection.primitive.PrimitiveIntCollections

public class PrimitiveIntCollections
extends Object

Basic and common primitive int collection utils and manipulations.

See Also:

PrimitiveLongCollections, Primitive

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PrimitiveIntCollections.PrimitiveIntBaseIterator Base iterator for simpler implementations of PrimitiveIntIterators.
static class	PrimitiveIntCollections.PrimitiveIntConcatingIterator
static class	PrimitiveIntCollections.PrimitiveIntFilteringIterator
static class	PrimitiveIntCollections.PrimitiveIntInterleavingIterator
static class	PrimitiveIntCollections.PrimitiveIntRangeIterator

Constructor Summary

Constructors

Constructor and Description
PrimitiveIntCollections()

Method Summary

Methods

Modifier and Type	Method and Description
static PrimitiveIntIterator	append(PrimitiveIntIterator iterator, int item)
static int[]	asArray(Iterator<Integer> iterator)
static int[]	asArray(PrimitiveIntIterator iterator)
static PrimitiveIntSet	asSet(PrimitiveIntIterator iterator)
static PrimitiveIntSet	asSetAllowDuplicates(PrimitiveIntIterator iterator)
static PrimitiveIntIterator	concat(Iterator<PrimitiveIntIterator> iterators)
static int	count(PrimitiveIntIterator iterator)
static PrimitiveIntIterator	dedup(PrimitiveIntIterator source)
static PrimitiveIntIterator	emptyIterator()
static PrimitiveIntSet	emptySet()
static boolean	equals(PrimitiveIntIterator first, PrimitiveIntIterator other) Validates whether two Iterators are equal or not, i.e.
static PrimitiveIntIterator	filter(PrimitiveIntIterator source, PrimitiveIntPredicate filter)
static int	first(PrimitiveIntIterator iterator)
static int	first(PrimitiveIntIterator iterator, int defaultItem)
static PrimitiveIntIterator	flatten(Iterator<PrimitiveIntIterator> source)
static int	indexOf(PrimitiveIntIterator iterator, int item) Returns the index of the given item in the iterator(zero-based).
static int	itemAt(PrimitiveIntIterator iterator, int index)
static int	itemAt(PrimitiveIntIterator iterator, int index, int defaultItem)
static PrimitiveIntIterator	iterator(int... items)
static int	last(PrimitiveIntIterator iterator)
static int	last(PrimitiveIntIterator iterator, int defaultItem)
static PrimitiveIntIterator	limit(PrimitiveIntIterator source, int maxItems)
static <T> Iterator<T>	map(FunctionFromPrimitiveInt<T> mapFunction, PrimitiveIntIterator source)
static PrimitiveIntIterator	not(PrimitiveIntIterator source, int disallowedValue)
static PrimitiveIntIterator	prepend(int item, PrimitiveIntIterator iterator)
static PrimitiveIntIterator	range(int end)
static PrimitiveIntIterator	range(int start, int end)
static PrimitiveIntIterator	range(int start, int end, int stride)
static PrimitiveIntIterator	reversed(int... items)
static PrimitiveIntIterator	reversed(PrimitiveIntIterator source)
static int	single(PrimitiveIntIterator iterator)
static int	single(PrimitiveIntIterator iterator, int defaultItem)
static PrimitiveIntIterator	singleton(int item)
static PrimitiveIntIterator	skip(PrimitiveIntIterator source, int skipTheFirstNItems)
static PrimitiveIntIterator	toPrimitiveIterator(Iterator<Integer> iterator)

Methods inherited from class java.lang.Object

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

Constructor Detail

PrimitiveIntCollections

public PrimitiveIntCollections()

Method Detail

iterator

public static PrimitiveIntIterator iterator(int... items)

reversed

public static PrimitiveIntIterator reversed(int... items)

reversed

public static PrimitiveIntIterator reversed(PrimitiveIntIterator source)

concat

public static PrimitiveIntIterator concat(Iterator<PrimitiveIntIterator> iterators)

prepend

public static PrimitiveIntIterator prepend(int item,
                           PrimitiveIntIterator iterator)

append

public static PrimitiveIntIterator append(PrimitiveIntIterator iterator,
                          int item)

filter

public static PrimitiveIntIterator filter(PrimitiveIntIterator source,
                          PrimitiveIntPredicate filter)

dedup

public static PrimitiveIntIterator dedup(PrimitiveIntIterator source)

not

public static PrimitiveIntIterator not(PrimitiveIntIterator source,
                       int disallowedValue)

skip

public static PrimitiveIntIterator skip(PrimitiveIntIterator source,
                        int skipTheFirstNItems)

limit

public static PrimitiveIntIterator limit(PrimitiveIntIterator source,
                         int maxItems)

range

public static PrimitiveIntIterator range(int end)

range

public static PrimitiveIntIterator range(int start,
                         int end)

range

public static PrimitiveIntIterator range(int start,
                         int end,
                         int stride)

singleton

public static PrimitiveIntIterator singleton(int item)

first

public static int first(PrimitiveIntIterator iterator)

first

public static int first(PrimitiveIntIterator iterator,
        int defaultItem)

last

public static int last(PrimitiveIntIterator iterator)

last

public static int last(PrimitiveIntIterator iterator,
       int defaultItem)

single

public static int single(PrimitiveIntIterator iterator)

single

public static int single(PrimitiveIntIterator iterator,
         int defaultItem)

itemAt

public static int itemAt(PrimitiveIntIterator iterator,
         int index)

itemAt

public static int itemAt(PrimitiveIntIterator iterator,
         int index,
         int defaultItem)

indexOf

public static int indexOf(PrimitiveIntIterator iterator,
          int item)

Returns the index of the given item in the iterator(zero-based). If no items in iterator equals item -1 is returned.

Parameters:

item - the item to look for.

iterator - of items.

Returns:

index of found item or -1 if not found.

equals

public static boolean equals(PrimitiveIntIterator first,
             PrimitiveIntIterator other)

Validates whether two Iterators are equal or not, i.e. if they have contain same number of items and each orderly item equals one another.

Parameters:

first - the Iterator containing the first items.

other - the Iterator containing the other items.

Returns:

whether the two iterators are equal or not.

asSet

public static PrimitiveIntSet asSet(PrimitiveIntIterator iterator)

asSetAllowDuplicates

public static PrimitiveIntSet asSetAllowDuplicates(PrimitiveIntIterator iterator)

count

public static int count(PrimitiveIntIterator iterator)

asArray

public static int[] asArray(PrimitiveIntIterator iterator)

asArray

public static int[] asArray(Iterator<Integer> iterator)

emptyIterator

public static PrimitiveIntIterator emptyIterator()

emptySet

public static PrimitiveIntSet emptySet()

toPrimitiveIterator

public static PrimitiveIntIterator toPrimitiveIterator(Iterator<Integer> iterator)

flatten

public static PrimitiveIntIterator flatten(Iterator<PrimitiveIntIterator> source)

map

public static <T> Iterator<T> map(FunctionFromPrimitiveInt<T> mapFunction,
                  PrimitiveIntIterator source)