de.caff.generics

Interface MutableLongIndexable

All Superinterfaces:

Copyable<MutableLongIndexable>, java.lang.Iterable<java.lang.Long>, LongIndexable, PrimitiveLongIterable, Sizeable

All Known Implementing Classes:

MutableLongIndexable.Base

public interface MutableLongIndexable
extends LongIndexable, Copyable<MutableLongIndexable>

Primitive long indexable with fixed length but mutable content. This may be used as a substitute for long[] as it eg allows read-only views or transparent views of subsets of the array.

Since:

November 01, 2019

Author:

Rammi

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	MutableLongIndexable.Base Abstract base class which provides useful implementations for Object.equals(Object), Object.hashCode(), Object.toString().

Nested classes/interfaces inherited from interface de.caff.generics.LongIndexable

LongIndexable.LongIndexableSpliterator

Field Summary

Fields

Modifier and Type	Field and Description
static MutableLongIndexable.Base	EMPTY Empty mutable indexable.

Fields inherited from interface de.caff.generics.PrimitiveLongIterable

EMPTY_LONG_ITERATOR

Fields inherited from interface de.caff.generics.Sizeable

NULL

Method Summary

Modifier and Type	Method and Description
default java.util.List<java.lang.Long>	asList() View this indexable as a standard list.
static MutableLongIndexable.Base	based(MutableLongIndexable indexable) View any mutable long indexable as a base long indexable.
static <IN> MutableLongIndexable.Base	copy(java.util.Collection<IN> collection, java.util.function.Function<IN,java.lang.Number> copier) Create a mutable indexable which is initialized from copied elements of a given collection.
default void	copyInternally(int fromIndex, int toIndex, int numElements) Copy elements inside this indexable.
static MutableLongIndexable.Base	copyOf(java.util.Collection<? extends java.lang.Number> collection) Create a mutable indexable which is initialized from a given collection.
static MutableLongIndexable.Base	empty()
default void	fillFrom(java.util.function.IntToLongFunction provider) Fill this indexable from a provider.
static MutableLongIndexable.Base	fromArray(long... elements) Create a mutable indexable which is initialized from elements of the given array.
static MutableLongIndexable.Base	fromArray(long[] elements, int startIndex, int length) Create a mutable indexable which is initialized from elements of the given array.
static MutableLongIndexable.Base	fromByteIndexable(ByteIndexable indexable) Return a mutable double indexable initialized with the content of a standard byte indexable.
static MutableLongIndexable.Base	fromDoubleIndexable(DoubleIndexable indexable) Return a mutable long indexable initialized with the content of a standard double indexable.
static MutableLongIndexable.Base	fromFloatIndexable(FloatIndexable indexable) Return a mutable long indexable initialized with the content of a standard float indexable.
static MutableLongIndexable.Base	fromIndexable(Indexable<? extends java.lang.Number> indexable) Create a mutable indexable which is the copy of a standard indexable.
static <B> MutableLongIndexable.Base	fromIndexable(Indexable<B> indexable, java.util.function.Function<? super B,? extends java.lang.Number> converter) Create a mutable indexable which is the copy of a standard indexable.
static MutableLongIndexable.Base	fromIntIndexable(IntIndexable indexable) Return a mutable long indexable initialized with the content of a standard int indexable.
static MutableLongIndexable.Base	fromIterable(int size, java.lang.Iterable<? extends java.lang.Number> iter) Create a mutable indexable from an iterable or a part of it.
static MutableLongIndexable.Base	fromLongIndexable(LongIndexable indexable) Return a mutable long indexable initialized with the content of a standard long indexable.
static MutableLongIndexable.Base	fromShortIndexable(ShortIndexable indexable) Return a mutable long indexable initialized with the content of a standard short indexable.
default MutableLongIndexable	getCopy() Get a copy of this object.
default MutableLongIndexable.Base	headSet(int toIndex) Create an indexable subset from the last elements of this indexable set.
static MutableLongIndexable.Base	init(int size, long value) Create a mutable
static MutableLongIndexable.Base	init(int size, java.util.function.LongSupplier creator) Initialize a mutable indexable to a given size.
static MutableLongIndexable.Base	initByIndex(int size, java.util.function.IntToLongFunction producer) Get a mutable long indexable of a given size which contains elements created by index.
default void	initByIndex(java.util.function.IntToLongFunction setter) Set all values of this long indexable by index.
default void	order() Order the elements in this indexable in their natural order.
default void	order(LongOrdering ordering) Order the elements in this indexable by the given ordering.
default MutableLongIndexable.Base	reverse() Get this indexable but with inverted order.
default void	revert() Revert the elements in this indexable.
default void	revert(int from, int to) Revert the order of all elements in the given range.
void	set(int index, long value) Set the element at the given index.
default int	setFrom(java.lang.Iterable<? extends java.lang.Number> iterable) Set the values of this mutable long indexable one after the other from the given Number iterable until either the iterable is emptied or Sizeable.size() elements are set.
default int	setFrom(java.lang.Iterable<? extends java.lang.Number> iterable, int startIndex, int numElements) Set the values of this mutable long indexable one after the other from the given iterable until either the iterable is emptied or numElements elements are set.
default void	setFromArray(long[] array, int arrayIndex, int startIndex, int numElements) Set consecutive entries from an array.
default void	setMulti(int from, int len, long value) Set multiple elements to the same value.
default void	shuffle(java.util.Random random) Randomize the content of this mutable indexable.
default MutableLongIndexable.Base	subSet(int fromIndex, int toIndex) Get an indexable subset.
default void	swap(int idx1, int idx2) Swap the values at two indices.
default void	swyp(int idx1, int idx2) Swap the values at two indices using Pythonesque indices.
default MutableLongIndexable.Base	sybSet(int fromIndex, int toIndex) Get an indexable subset.
default void	syt(int index, long value) Pythonesque set.
default MutableLongIndexable.Base	tailSet(int fromIndex) Create an indexable subset from the last elements of this indexable set.
static MutableLongIndexable.Base	viewArray(long[] array) Mutable indexable view which operates on the given array.
static MutableLongIndexable.Base	viewArray(long[] array, int start, int length) Mutable indexable view which operates on a part of the given array.
static <T> MutableLongIndexable.Base	viewIndexable(Indexable<T> indexable, java.util.function.ToLongFunction<? super T> getter, LongSetter<? super T> setter) View a generic indexable as a mutable long indexable by accessing a long property of the elements of the underlying generic indexable.
static MutableLongIndexable.Base	viewList(java.util.List<java.lang.Long> list) Mutable indexable view which operates on the given array.
static MutableLongIndexable.Base	zeroed(int size) Create a mutable long indexable with size 0.0 elements.

Methods inherited from interface de.caff.generics.LongIndexable

addAllTo, addToArray, addToArray, asBase, asCollection, asIndexable, binarySearch, binarySearch, compare, compareUnsigned, emptyIndexable, equal, equal, firstMatch, foldLeft, frozen, frozenLongSpliterator, get, getMod, gyt, hash, indexes, intIndexes, isEmpty, isOrdered, isStrictlyOrdered, iterator, lastMatch, listIterator, longIterator, longIterator, longSpliterator, nextMatch, ordered, ordered, previousMatch, rotated, singleton, toArray, toList, toString, view, viewArray, viewAsBoolean, viewAsByte, viewAsDouble, viewAsDouble, viewAsFloat, viewAsInt, viewAsInt, viewAsShort, viewByIndex, viewIndexable, viewIndexable, viewIndexable, viewList, viewList, viewList, viewNumberArray, viewOp, withAppendedValue, withCachedHash, withExchangedValueAt, withInsertedValueAt, withRemovedValueAt, withSwappedValuesAt

Methods inherited from interface de.caff.generics.PrimitiveLongIterable

average, containsLong, forEachLong, forEachLongFragile, spliterator, stream, sum, sumX

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface de.caff.generics.Sizeable

size

Methods inherited from interface de.caff.generics.Copyable

copy

Field Detail

EMPTY

static final MutableLongIndexable.Base EMPTY

Empty mutable indexable. Use empty() instead.

Method Detail

set

void set(int index,
         long value)

Set the element at the given index.

Parameters:

index - index between 0 and size() - 1

value - value to put to the given index

syt

default void syt(int index,
                 long value)

Pythonesque set. This allows to access elements from the back by using negative indexes, e.g. -1 references the last element, -2 its predecessor, and so on.

Parameters:

index - index between -size() and size() - 1

value - value to put to the given index

setFrom

default int setFrom(@NotNull
                    java.lang.Iterable<? extends java.lang.Number> iterable)

Set the values of this mutable long indexable one after the other from the given Number iterable until either the iterable is emptied or Sizeable.size() elements are set.

Parameters:

iterable - iterable from which this indexable is filled

Returns:

number of elements set

setFrom

default int setFrom(@NotNull
                    java.lang.Iterable<? extends java.lang.Number> iterable,
                    int startIndex,
                    int numElements)

Set the values of this mutable long indexable one after the other from the given iterable until either the iterable is emptied or numElements elements are set.

Parameters:

iterable - iterable from which this indexable is filled

startIndex - start index where the setting begins

numElements - number of elements to set

Returns:

number of elements set

setFromArray

default void setFromArray(@NotNull
                          long[] array,
                          int arrayIndex,
                          int startIndex,
                          int numElements)

Set consecutive entries from an array. This will set less elements

Parameters:

array - array with elements to set from

arrayIndex - start index in the array

startIndex - start index in this mutable indexable

numElements - number of elements to copy

Throws:

java.lang.IndexOutOfBoundsException - if this mutable indexable would overflow by this operation

java.lang.ArrayIndexOutOfBoundsException - if array overflows by this operation

setMulti

default void setMulti(int from,
                      int len,
                      long value)

Set multiple elements to the same value.

Parameters:

from - first index to be set (Pythonesque)

len - number of elements to be set (non-negative)

value - value to be set

copyInternally

default void copyInternally(int fromIndex,
                            int toIndex,
                            int numElements)

Copy elements inside this indexable.

Parameters:

fromIndex - start index from where elements are copied (Pythonesque)

toIndex - start index to where elements are copied (Pythonesque)

numElements - number of elements to copy

fillFrom

default void fillFrom(@NotNull
                      java.util.function.IntToLongFunction provider)

Fill this indexable from a provider.

Parameters:

provider - provider which is called for each index and provides the element for that index

swap

default void swap(int idx1,
                  int idx2)

Swap the values at two indices.

Parameters:

idx1 - first index

idx2 - second index

swyp

default void swyp(int idx1,
                  int idx2)

Swap the values at two indices using Pythonesque indices.

Parameters:

idx1 - first index (Pythonesque)

idx2 - second index (Pythonesque)

subSet

@NotNull
default MutableLongIndexable.Base subSet(int fromIndex,
                                                  int toIndex)

Description copied from interface: LongIndexable

Get an indexable subset. The subset includes indices fromIndex to toIndex - 1.

Specified by:

subSet in interface LongIndexable

Parameters:

fromIndex - start index of sub set

toIndex - index after last index

Returns:

indxable subset view of this indexable

sybSet

@NotNull
default MutableLongIndexable.Base sybSet(int fromIndex,
                                                  int toIndex)

Description copied from interface: LongIndexable

Get an indexable subset. This is the Pythonesque version which allows negative indexes.

Specified by:

sybSet in interface LongIndexable

Parameters:

fromIndex - start index of sub set

toIndex - end index of sub set

Returns:

indexable subset view of this indexable set

tailSet

@NotNull
default MutableLongIndexable.Base tailSet(int fromIndex)

Description copied from interface: LongIndexable

Create an indexable subset from the last elements of this indexable set. This already allows Pythonesquew indexing.

Specified by:

tailSet in interface LongIndexable

Parameters:

fromIndex - index to start with, negative counts from the back

Returns:

indexable subset view of this indexable set

headSet

default MutableLongIndexable.Base headSet(int toIndex)

Description copied from interface: LongIndexable

Create an indexable subset from the last elements of this indexable set. This already allows Pythonesquew indexing.

Specified by:

headSet in interface LongIndexable

Parameters:

toIndex - index one after the end (equal to the length of the returned set), negative counts from the back

Returns:

indexable subset view of this indexable set

reverse

@NotNull
default MutableLongIndexable.Base reverse()

Description copied from interface: LongIndexable

Get this indexable but with inverted order.

Specified by:

reverse in interface LongIndexable

Returns:

a view to this indexable which accesses the elements in reverse order

revert

default void revert(int from,
                    int to)

Revert the order of all elements in the given range. Attention: the to element is also included in the reversion to allow easy reversion at the end by using -1.

Parameters:

from - start element of reversion (Pythonesque), included

to - end element of reversion (Pythonesque), included

revert

default void revert()

Revert the elements in this indexable. This reverts the order of all elements.

order

default void order(@NotNull
                   LongOrdering ordering)

Order the elements in this indexable by the given ordering. After this call the elements of this indexable are reordered so that LongIndexable.isOrdered(LongOrdering) returns true for the given ordering.

Parameters:

ordering - ordering to apply

order

default void order()

Order the elements in this indexable in their natural order. This method is typically 1.5 times faster than order(LongOrdering) with natural order.

shuffle

default void shuffle(@NotNull
                     java.util.Random random)

Randomize the content of this mutable indexable. This will reorder the elements randomly.

Parameters:

random - random number generator

initByIndex

default void initByIndex(@NotNull
                         java.util.function.IntToLongFunction setter)

Set all values of this long indexable by index.

Parameters:

setter - setter which provides the value to be set for a given index

asList

@NotNull
default java.util.List<java.lang.Long> asList()

View this indexable as a standard list. Overwritten to allow for modifications. The returned list will allow usage of the List.set(int, Object) method, but neither any adding nor deleting methods. Standard sorting algorithms will work on the returned list as a sorting algorithm is expected to neither move nor add elements.

Specified by:

asList in interface LongIndexable

Returns:

list allowing setting elements

See Also:

LongIndexable.toList()

getCopy

@NotNull
default MutableLongIndexable getCopy()

Description copied from interface: Copyable

Get a copy of this object. Immutable objects are allowed to return themselves. The copy needs not to be of the same class, it just has to fulfill the type restriction.

Specified by:

getCopy in interface Copyable<MutableLongIndexable>

Returns:

independent copy of this object

based

@NotNull
static MutableLongIndexable.Base based(@NotNull
                                                MutableLongIndexable indexable)

View any mutable long indexable as a base long indexable. The latter provides various standard methods for comparison, output and hanshing.

Parameters:

indexable - mutqable long indexable to view as a MutableLongIndexable.Base mutable long indexable

Returns:

base view of given indexable, or the indexable itself if it is already a Base

init

@NotNull
static MutableLongIndexable.Base init(int size,
                                               @NotNull
                                               java.util.function.LongSupplier creator)

Initialize a mutable indexable to a given size.

Parameters:

size - size of indexable

creator - creator for the initial elements

Returns:

mutable indexable with the given size

See Also:

zeroed(int), init(int, long)

initByIndex

@NotNull
static MutableLongIndexable.Base initByIndex(int size,
                                                      @NotNull
                                                      java.util.function.IntToLongFunction producer)

Get a mutable long indexable of a given size which contains elements created by index.

Specified by:

initByIndex in interface LongIndexable

Parameters:

size - size of the returned indexable

producer - producer which is called with an index and expected to return the associated value

Returns:

a mutable long indexable with the given size with elements initialized by calling the producer

See Also:

LongIndexable.viewByIndex(int, IntToLongFunction)

copyOf

@NotNull
static MutableLongIndexable.Base copyOf(@NotNull
                                                 java.util.Collection<? extends java.lang.Number> collection)

Create a mutable indexable which is initialized from a given collection.

Parameters:

collection - collection

Returns:

mutable indexable

copy

@NotNull
static <IN> MutableLongIndexable.Base copy(@NotNull
                                                    java.util.Collection<IN> collection,
                                                    @NotNull
                                                    java.util.function.Function<IN,java.lang.Number> copier)

Create a mutable indexable which is initialized from copied elements of a given collection.

Type Parameters:

IN - incoming element type

Parameters:

collection - collection

copier - element copier

Returns:

mutable indexable

empty

@NotNull
static MutableLongIndexable.Base empty()

fromArray

@NotNull
static MutableLongIndexable.Base fromArray(@NotNull
                                                    long... elements)

Create a mutable indexable which is initialized from elements of the given array.

Parameters:

elements - elements

Returns:

mutable indexable independent of elements

fromArray

@NotNull
static MutableLongIndexable.Base fromArray(@NotNull
                                                    long[] elements,
                                                    int startIndex,
                                                    int length)

Create a mutable indexable which is initialized from elements of the given array.

Parameters:

elements - array of elements

startIndex - index of first element used in the returned indxable

length - length number of elements used in the returned indexable

Returns:

mutable indexable independnet of eleements

viewArray

@NotNull
static MutableLongIndexable.Base viewArray(@NotNull
                                                    long[] array)

Mutable indexable view which operates on the given array. Any changes done by the returned indexable will be forwarded to the array.

Specified by:

viewArray in interface LongIndexable

Parameters:

array - array

Returns:

mutable indexable view of the given array

viewArray

@NotNull
static MutableLongIndexable.Base viewArray(@NotNull
                                                    long[] array,
                                                    int start,
                                                    int length)

Mutable indexable view which operates on a part of the given array.

Specified by:

viewArray in interface LongIndexable

Parameters:

array - array

start - start position in array

length - length of returned indexable

Returns:

mutable long indexable view of the given part of the array

viewList

@NotNull
static MutableLongIndexable.Base viewList(@NotNull
                                                   java.util.List<java.lang.Long> list)

Mutable indexable view which operates on the given array. Any changes done by the returned indexable will be forwarded to the list.

Parameters:

list - list

Returns:

mutable indexable view of the given list

fromIndexable

@NotNull
static MutableLongIndexable.Base fromIndexable(@NotNull
                                                        Indexable<? extends java.lang.Number> indexable)

Create a mutable indexable which is the copy of a standard indexable.

Parameters:

indexable - standard indexable

Returns:

mutable indexable initialize from the standard indexable

fromIndexable

@NotNull
static <B> MutableLongIndexable.Base fromIndexable(@NotNull
                                                            Indexable<B> indexable,
                                                            @NotNull
                                                            java.util.function.Function<? super B,? extends java.lang.Number> converter)

Create a mutable indexable which is the copy of a standard indexable. This especieally allows to copywith each element during the initialization.

Type Parameters:

B - element type of incoming idexable

Parameters:

indexable - base indexable

converter - converter from base indexable type to result element type,

Returns:

mutable indexable

viewIndexable

@NotNull
static <T> MutableLongIndexable.Base viewIndexable(@NotNull
                                                            Indexable<T> indexable,
                                                            @NotNull
                                                            java.util.function.ToLongFunction<? super T> getter,
                                                            @NotNull
                                                            LongSetter<? super T> setter)

View a generic indexable as a mutable long indexable by accessing a long property of the elements of the underlying generic indexable.

This is useful if you have complex items, but are interested into only one (long) property of each item.

Type Parameters:

T - element type of the underlying indexable

Parameters:

indexable - underlying generic indexable

getter - function used to extract the property of interest

setter - procedure used to set the property of interest

Returns:

mutable long indexable view of the underlying indexable

fromDoubleIndexable

@NotNull
static MutableLongIndexable.Base fromDoubleIndexable(@NotNull
                                                              DoubleIndexable indexable)

Return a mutable long indexable initialized with the content of a standard double indexable. This will cast the incoming double values and result in a loss of accuracy.

Parameters:

indexable - double indexable

Returns:

mutable indexable initialized with the values of the given double indexable

fromFloatIndexable

@NotNull
static MutableLongIndexable.Base fromFloatIndexable(@NotNull
                                                             FloatIndexable indexable)

Return a mutable long indexable initialized with the content of a standard float indexable. This will cast the incoming float values and result in a loss of accuracy.

Parameters:

indexable - float indexable

Returns:

mutable indexable initialized with the values of the given float indexable

fromLongIndexable

@NotNull
static MutableLongIndexable.Base fromLongIndexable(@NotNull
                                                            LongIndexable indexable)

Return a mutable long indexable initialized with the content of a standard long indexable.

Parameters:

indexable - long indexable

Returns:

mutable indexable initialized with the values of the given long indexable

fromIntIndexable

@NotNull
static MutableLongIndexable.Base fromIntIndexable(@NotNull
                                                           IntIndexable indexable)

Return a mutable long indexable initialized with the content of a standard int indexable.

Parameters:

indexable - int indexable

Returns:

mutable indexable initialized with the values of the given int indexable

fromShortIndexable

@NotNull
static MutableLongIndexable.Base fromShortIndexable(@NotNull
                                                             ShortIndexable indexable)

Return a mutable long indexable initialized with the content of a standard short indexable.

Parameters:

indexable - short indexable

Returns:

mutable indexable initialized with the values of the given short indexable

fromByteIndexable

@NotNull
static MutableLongIndexable.Base fromByteIndexable(@NotNull
                                                            ByteIndexable indexable)

Return a mutable double indexable initialized with the content of a standard byte indexable.

Parameters:

indexable - long indexable

Returns:

mutable indexable initialized with the values of the given byte indexable

fromIterable

@NotNull
static MutableLongIndexable.Base fromIterable(int size,
                                                       @NotNull
                                                       java.lang.Iterable<? extends java.lang.Number> iter)

Create a mutable indexable from an iterable or a part of it.

Parameters:

size - maximum size of returned indexable

iter - iterable used for initializing the indexable

Returns:

mutable indexable

zeroed

@NotNull
static MutableLongIndexable.Base zeroed(int size)

Create a mutable long indexable with size 0.0 elements.

Parameters:

size - required size of returned mutable long indexable

Returns:

mutable long indexable of the given size initialized with 0.0

See Also:

init(int, long), init(int, LongSupplier)

init

@NotNull
static MutableLongIndexable.Base init(int size,
                                               long value)

Create a mutable

Specified by:

init in interface LongIndexable

Parameters:

size - required size of returned mutable long indexable

value - initial value of all elements

Returns:

mutable long indexable of the given size initialized with value

See Also:

init(int, LongSupplier), zeroed(int)