Package net.neoforged.neoforge.common.util

Class ConcatenatedListView<T>

java.lang.Object

net.neoforged.neoforge.common.util.ConcatenatedListView<T>

All Implemented Interfaces:

Iterable<T>, Collection<T>, List<T>, SequencedCollection<T>

public class ConcatenatedListView<T>
extends Object
implements List<T>

A list that concatenates multiple other lists for efficient iteration.

You may use this in place of creating a new list and calling List.addAll(Collection) for each of your collections.

This list does not support modification operations, but the underlying lists may be mutated safely externally.

Field Summary

Fields

Modifier and Type	Field	Description
private final List<? extends List<? extends T>>	lists

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ConcatenatedListView(List<? extends List<? extends T>> lists)

Method Summary

Modifier and Type	Method	Description
void	add(int index, T element)
boolean	add(T t)
boolean	addAll(int index, Collection<? extends T> c)
boolean	addAll(Collection<? extends T> c)
void	clear()
private <C extends Collection<T>> C	concatenate(Supplier<C> collectionFactory)
boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
T	get(int index)
int	indexOf(Object o)
boolean	isEmpty()
Iterator<T>	iterator()
int	lastIndexOf(Object o)
ListIterator<T>	listIterator()
ListIterator<T>	listIterator(int index)
static <T> List<T>	of(List<? extends List<? extends T>> members)
static <T> ConcatenatedListView<T>	of(List<T>... lists)
T	remove(int index)
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)
boolean	retainAll(Collection<?> c)
T	set(int index, T element)
int	size()
Spliterator<T>	spliterator()
List<T>	subList(int fromIndex, int toIndex)
Object[]	toArray()
<T1> T1[]	toArray(T1[] a)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Methods inherited from interface java.util.List

addFirst, addLast, equals, getFirst, getLast, hashCode, removeFirst, removeLast, replaceAll, reversed, sort

Field Details

lists

private final List<? extends List<? extends T>> lists

Constructor Details

ConcatenatedListView

private ConcatenatedListView(List<? extends List<? extends T>> lists)

Method Details

of

@SafeVarargs
public static <T> ConcatenatedListView<T> of(List<T>... lists)

of

public static <T> List<T> of(List<? extends List<? extends T>> members)

size

public int size()

Specified by:

size in interface Collection<T>

Specified by:

size in interface List<T>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<T>

Specified by:

isEmpty in interface List<T>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<T>

Specified by:

contains in interface List<T>

get

public T get(int index)

Specified by:

get in interface List<T>

indexOf

public int indexOf(Object o)

Specified by:

indexOf in interface List<T>

lastIndexOf

public int lastIndexOf(Object o)

Specified by:

lastIndexOf in interface List<T>

iterator

public Iterator<T> iterator()

Specified by:

iterator in interface Collection<T>

Specified by:

iterator in interface Iterable<T>

Specified by:

iterator in interface List<T>

spliterator

public Spliterator<T> spliterator()

Specified by:

spliterator in interface Collection<T>

Specified by:

spliterator in interface Iterable<T>

Specified by:

spliterator in interface List<T>

concatenate

private <C extends Collection<T>> C concatenate(Supplier<C> collectionFactory)

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<T>

Specified by:

toArray in interface List<T>

toArray

public <T1> T1[] toArray(T1[] a)

Specified by:

toArray in interface Collection<T>

Specified by:

toArray in interface List<T>

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<T>

Specified by:

containsAll in interface List<T>

add

public boolean add(T t)

Specified by:

add in interface Collection<T>

Specified by:

add in interface List<T>

add

public void add(int index,
 T element)

Specified by:

add in interface List<T>

set

public T set(int index,
 T element)

Specified by:

set in interface List<T>

addAll

public boolean addAll(Collection<? extends T> c)

Specified by:

addAll in interface Collection<T>

Specified by:

addAll in interface List<T>

addAll

public boolean addAll(int index,
 Collection<? extends T> c)

Specified by:

addAll in interface List<T>

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<T>

Specified by:

remove in interface List<T>

remove

public T remove(int index)

Specified by:

remove in interface List<T>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<T>

Specified by:

removeAll in interface List<T>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<T>

Specified by:

retainAll in interface List<T>

clear

public void clear()

Specified by:

clear in interface Collection<T>

Specified by:

clear in interface List<T>

listIterator

public ListIterator<T> listIterator()

Specified by:

listIterator in interface List<T>

listIterator

public ListIterator<T> listIterator(int index)

Specified by:

listIterator in interface List<T>

subList

public List<T> subList(int fromIndex,
 int toIndex)

Specified by:

subList in interface List<T>