CopyOnWriteArrayIdentityList (Apache Karaf

java.lang.Object
- org.apache.karaf.util.collections.CopyOnWriteArrayIdentityList<E>

Type Parameters:

E - the element type

All Implemented Interfaces:

Serializable, Cloneable, Iterable<E>, Collection<E>, List<E>, RandomAccess
```
public class CopyOnWriteArrayIdentityList<E>
extends Object
implements List<E>, RandomAccess, Cloneable, Serializable
```
Implements a ArrayList variant that is thread-safe. All write operation result in a new copy of the underlying data being created. Iterators reflect the state of the CopyOnWriteArrayIdentityList at the time they were created. They are not updated to reflect subsequent changes to the list. In addition, these iterators cannot be used for modifying the underlying CopyOnWriteArrayIdentityList. In addition, elements are compared based on reference equality instead of object equality when comparing values.

See Also:

Serialized Form

Constructor Summary

Constructors
Constructor and Description
`CopyOnWriteArrayIdentityList()` Creates a new, empty instance of CopyOnWriteArrayList.
`CopyOnWriteArrayIdentityList(Collection<? extends E> c)` Creates a new instance of CopyOnWriteArrayList and fills it with the contents of a given Collection.
`CopyOnWriteArrayIdentityList(E[] array)` Creates a new instance of CopyOnWriteArrayList and fills it with the contents of a given array.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`add(E e)`
`void`	`add(int index, E e)`
`boolean`	`addAll(Collection<? extends E> c)`
`boolean`	`addAll(int index, Collection<? extends E> c)`
`int`	`addAllAbsent(Collection<? extends E> c)` Adds to this CopyOnWriteArrayList all those elements from a given collection that are not yet part of the list.
`boolean`	`addIfAbsent(E e)` Adds to this CopyOnWriteArrayList another element, given that this element is not yet part of the list.
`void`	`clear()`
`Object`	`clone()`
`boolean`	`contains(Object o)`
`boolean`	`containsAll(Collection<?> c)`
`boolean`	`equals(Object o)`
`E`	`get(int index)`
`int`	`hashCode()`
`int`	`indexOf(E e, int index)` Returns the index of a given element, starting the search from a given position in the list.
`int`	`indexOf(Object o)`
`boolean`	`isEmpty()`
`Iterator<E>`	`iterator()`
`int`	`lastIndexOf(E e, int index)` Returns the last index of a given element, starting the search from a given position in the list and going backwards.
`int`	`lastIndexOf(Object o)`
`ListIterator<E>`	`listIterator()`
`ListIterator<E>`	`listIterator(int index)`
`E`	`remove(int index)`
`boolean`	`remove(Object o)`
`boolean`	`removeAll(Collection<?> c)`
`boolean`	`retainAll(Collection<?> c)`
`E`	`set(int index, E e)`
`int`	`size()`
`List<E>`	`subList(int fromIndex, int toIndex)`
`Object[]`	`toArray()`
`<T> T[]`	`toArray(T[] a)`
`String`	`toString()`

Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.List
replaceAll, sort, spliterator

Methods inherited from interface java.util.Collection
parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable
forEach

- Constructor Detail
  - CopyOnWriteArrayIdentityList
```
public CopyOnWriteArrayIdentityList()
```
    Creates a new, empty instance of CopyOnWriteArrayList.
  - CopyOnWriteArrayIdentityList
```
public CopyOnWriteArrayIdentityList(Collection<? extends E> c)
```
    Creates a new instance of CopyOnWriteArrayList and fills it with the contents of a given Collection.
    
    Parameters:
    
    c - the collection the elements of which are to be copied into the new instance.
  - CopyOnWriteArrayIdentityList
```
public CopyOnWriteArrayIdentityList(E[] array)
```
    Creates a new instance of CopyOnWriteArrayList and fills it with the contents of a given array.
    
    Parameters:
    
    array - the array the elements of which are to be copied into the new instance.
- Method Detail
  - add
```
public boolean add(E e)
```
    Specified by:
    
    add in interface Collection<E>
    
    Specified by:
    
    add in interface List<E>
  - add
```
public void add(int index,
                E e)
```
    Specified by:
    
    add in interface List<E>
  - addAll
```
public boolean addAll(Collection<? extends E> c)
```
    Specified by:
    
    addAll in interface Collection<E>
    
    Specified by:
    
    addAll in interface List<E>
  - addAll
```
public boolean addAll(int index,
                      Collection<? extends E> c)
```
    Specified by:
    
    addAll in interface List<E>
  - addAllAbsent
```
public int addAllAbsent(Collection<? extends E> c)
```
    Adds to this CopyOnWriteArrayList all those elements from a given collection that are not yet part of the list.
    
    Parameters:
    
    c - the collection from which the potential new elements are taken.
    
    Returns:
    
    the number of elements actually added to this list.
  - addIfAbsent
```
public boolean addIfAbsent(E e)
```
    Adds to this CopyOnWriteArrayList another element, given that this element is not yet part of the list.
    
    Parameters:
    
    e - the potential new element.
    
    Returns:
    
    true if the element was added, or false otherwise.
  - clear
```
public void clear()
```
    Specified by:
    
    clear in interface Collection<E>
    
    Specified by:
    
    clear in interface List<E>
  - clone
```
public Object clone()
```
    Overrides:
    
    clone in class Object
  - contains
```
public boolean contains(Object o)
```
    Specified by:
    
    contains in interface Collection<E>
    
    Specified by:
    
    contains in interface List<E>
  - containsAll
```
public boolean containsAll(Collection<?> c)
```
    Specified by:
    
    containsAll in interface Collection<E>
    
    Specified by:
    
    containsAll in interface List<E>
  - equals
```
public boolean equals(Object o)
```
    Specified by:
    
    equals in interface Collection<E>
    
    Specified by:
    
    equals in interface List<E>
    
    Overrides:
    
    equals in class Object
  - get
```
public E get(int index)
```
    Specified by:
    
    get in interface List<E>
  - hashCode
```
public int hashCode()
```
    Specified by:
    
    hashCode in interface Collection<E>
    
    Specified by:
    
    hashCode in interface List<E>
    
    Overrides:
    
    hashCode in class Object
  - indexOf
```
public int indexOf(E e,
                   int index)
```
    Returns the index of a given element, starting the search from a given position in the list.
    
    Parameters:
    
    e - the element to search.
    
    index - the index at which to start the search.
    
    Returns:
    
    the index of the element or null, if the element has not been found at or beyond the given start index.
  - indexOf
```
public int indexOf(Object o)
```
    Specified by:
    
    indexOf in interface List<E>
  - isEmpty
```
public boolean isEmpty()
```
    Specified by:
    
    isEmpty in interface Collection<E>
    
    Specified by:
    
    isEmpty in interface List<E>
  - iterator
```
public Iterator<E> iterator()
```
    Specified by:
    
    iterator in interface Iterable<E>
    
    Specified by:
    
    iterator in interface Collection<E>
    
    Specified by:
    
    iterator in interface List<E>
  - lastIndexOf
```
public int lastIndexOf(E e,
                       int index)
```
    Returns the last index of a given element, starting the search from a given position in the list and going backwards.
    
    Parameters:
    
    e - the element to search.
    
    index - the index at which to start the search.
    
    Returns:
    
    the index of the element or null, if the element has not been found at or before the given start index.
  - lastIndexOf
```
public int lastIndexOf(Object o)
```
    Specified by:
    
    lastIndexOf in interface List<E>
  - listIterator
```
public ListIterator<E> listIterator()
```
    Specified by:
    
    listIterator in interface List<E>
  - listIterator
```
public ListIterator<E> listIterator(int index)
```
    Specified by:
    
    listIterator in interface List<E>
  - remove
```
public E remove(int index)
```
    Specified by:
    
    remove in interface List<E>
  - remove
```
public boolean remove(Object o)
```
    Specified by:
    
    remove in interface Collection<E>
    
    Specified by:
    
    remove in interface List<E>
  - removeAll
```
public boolean removeAll(Collection<?> c)
```
    Specified by:
    
    removeAll in interface Collection<E>
    
    Specified by:
    
    removeAll in interface List<E>
  - retainAll
```
public boolean retainAll(Collection<?> c)
```
    Specified by:
    
    retainAll in interface Collection<E>
    
    Specified by:
    
    retainAll in interface List<E>
  - set
```
public E set(int index,
             E e)
```
    Specified by:
    
    set in interface List<E>
  - size
```
public int size()
```
    Specified by:
    
    size in interface Collection<E>
    
    Specified by:
    
    size in interface List<E>
  - subList
```
public List<E> subList(int fromIndex,
                       int toIndex)
```
    Specified by:
    
    subList in interface List<E>
  - toArray
```
public Object[] toArray()
```
    Specified by:
    
    toArray in interface Collection<E>
    
    Specified by:
    
    toArray in interface List<E>
  - toArray
```
public <T> T[] toArray(T[] a)
```
    Specified by:
    
    toArray in interface Collection<E>
    
    Specified by:
    
    toArray in interface List<E>
  - toString
```
public String toString()
```
    Overrides:
    
    toString in class Object

Class CopyOnWriteArrayIdentityList<E>

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface java.util.List

Methods inherited from interface java.util.Collection

Methods inherited from interface java.lang.Iterable

Constructor Detail

CopyOnWriteArrayIdentityList

CopyOnWriteArrayIdentityList

CopyOnWriteArrayIdentityList

Method Detail

add

add

addAll

addAll

addAllAbsent

addIfAbsent

clear

clone

contains

containsAll

equals

get

hashCode

indexOf

indexOf

isEmpty

iterator

lastIndexOf

lastIndexOf

listIterator

listIterator

remove

remove

removeAll

retainAll

set

size

subList

toArray

toArray

toString