Package com.linkedin.venice.utils.collections

Class ArrayCollection<E>

java.lang.Object

com.linkedin.venice.utils.collections.ArrayCollection<E>

All Implemented Interfaces:

Iterable<E>, Collection<E>

public class ArrayCollection<E>
extends Object
implements Collection<E>

Expose an array of ArrayCollection as an immutable Collection<E> Changes to the array are reflected in the collection.

Constructor Summary

Constructors

Constructor	Description
ArrayCollection(E[] array)
ArrayCollection(E[] array, IntSupplier populatedSizeSupplier)

Method Summary

Modifier and Type	Method	Description
boolean	add(E E)
boolean	addAll(Collection<? extends E> c)
void	clear()
boolean	contains(Object o)
boolean	containsAll(Collection<?> c)
boolean	isEmpty()
Iterator<E>	iterator()
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)
boolean	retainAll(Collection<?> c)
int	size()
Object[]	toArray()
<T> T[]	toArray(T[] a)
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode, parallelStream, removeIf, spliterator, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

Constructor Details

ArrayCollection

public ArrayCollection(E[] array)

ArrayCollection

public ArrayCollection(E[] array,
 IntSupplier populatedSizeSupplier)

Parameters:

array - backing the collection

populatedSizeSupplier - for when the caller has a more efficient way of knowing the populated size of the array

Method Details

size

public int size()

Specified by:

size in interface Collection<E>

Returns:

the number of non-null elements in the backing array.

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<E>

Returns:

true if the backing array is does not contain any non-null elements.

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<E>

iterator

public Iterator<E> iterator()

Specified by:

iterator in interface Collection<E>

Specified by:

iterator in interface Iterable<E>

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<E>

toArray

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

Specified by:

toArray in interface Collection<E>

add

public boolean add(E E)

Specified by:

add in interface Collection<E>

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<E>

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<E>

addAll

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

Specified by:

addAll in interface Collection<E>

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<E>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<E>

clear

public void clear()

Specified by:

clear in interface Collection<E>

toString

public String toString()

Overrides:

toString in class Object