Package de.xima.fc.common.collection

Class OnePlusListPlusOne<T>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<T>

de.xima.fc.common.collection.OnePlusListPlusOne<T>

Type Parameters:

T - Type of the list items.

All Implemented Interfaces:

Iterable<T>, Collection<T>, List<T>, RandomAccess

public final class OnePlusListPlusOne<T>
extends AbstractList<T>
implements RandomAccess

An unmodifiable list that extends another list and includes an additional item at the start and at the end.

Since:

8.4.0

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor	Description
OnePlusListPlusOne(T head, List<T> list, T tail)	Constructs a new list that includes the specified start and end items, with the given parent list in between.

Method Summary

Modifier and Type	Method	Description
T	get(int index)
int	size()

Methods inherited from class java.util.AbstractList

add, add, addAll, clear, equals, hashCode, indexOf, iterator, lastIndexOf, listIterator, listIterator, remove, removeRange, set, subList

Methods inherited from class java.util.AbstractCollection

addAll, contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, 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

addAll, contains, containsAll, isEmpty, remove, removeAll, replaceAll, retainAll, sort, spliterator, toArray, toArray

Constructor Detail

OnePlusListPlusOne

public OnePlusListPlusOne(T head,
                          List<T> list,
                          T tail)

Constructs a new list that includes the specified start and end items, with the given parent list in between. If the start or end items are null, this will not affect the size, i.e. the resulting list will have a null element at the respective position.

Parameters:

head - The item to be placed at the start of the list.

list - The parent list to be included in the middle.

tail - The item to be placed at the end of the list.

Method Detail

get

public T get(int index)

Specified by:

get in interface List<T>

Specified by:

get in class AbstractList<T>

size

public int size()

Specified by:

size in interface Collection<T>

Specified by:

size in interface List<T>

Specified by:

size in class AbstractCollection<T>