net.bramp.unsafe

Class UnsafeArrayList<T>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractList<T>

net.bramp.unsafe.UnsafeArrayList<T>

All Implemented Interfaces:

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

public class UnsafeArrayList<T>
extends AbstractList<T>
implements InplaceList<T>, RandomAccess

ArrayList implemented using Unsafe operations

This is not thread safe.

See Also:

http://www.docjar.com/docs/api/sun/misc/Unsafe.html

Field Summary

Fields inherited from class java.util.AbstractList

modCount

Constructor Summary

Constructors

Constructor and Description
UnsafeArrayList(Class<T> type)
UnsafeArrayList(Class<T> type, Collection<? extends T> c)
UnsafeArrayList(Class<T> type, int initialCapacity)

Method Summary

Modifier and Type	Method and Description
void	add(int index, T element)
long	bytes()
protected void	checkBounds(int index)
void	ensureCapacity(int capacity)
T	get(int index)
T	get(T dest, int index) Copies the element at index into dest
T	set(int index, T element)
int	size()
void	swap(int i, int j) Swaps two elements

Methods inherited from class java.util.AbstractList

add, addAll, clear, equals, hashCode, indexOf, iterator, lastIndexOf, listIterator, listIterator, remove, removeRange, 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.List

add, addAll, addAll, clear, contains, containsAll, equals, hashCode, indexOf, isEmpty, iterator, lastIndexOf, listIterator, listIterator, remove, remove, removeAll, replaceAll, retainAll, sort, spliterator, subList, toArray, toArray

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Constructor Detail

UnsafeArrayList

public UnsafeArrayList(Class<T> type)

Parameters:

type - Must match the parameterised type

UnsafeArrayList

public UnsafeArrayList(Class<T> type,
                       Collection<? extends T> c)

UnsafeArrayList

public UnsafeArrayList(Class<T> type,
                       int initialCapacity)

Method Detail

ensureCapacity

public void ensureCapacity(int capacity)

checkBounds

protected void checkBounds(int index)
                    throws IndexOutOfBoundsException

Throws:

IndexOutOfBoundsException

get

public T get(int index)

Specified by:

get in interface List<T>

Specified by:

get in class AbstractList<T>

get

public T get(T dest,
             int index)

Copies the element at index into dest

Specified by:

get in interface InplaceList<T>

Parameters:

dest - The destination object

index - The index of the object to get

Returns:

The fetched object

set

public T set(int index,
             T element)

Specified by:

set in interface List<T>

Overrides:

set in class AbstractList<T>

swap

public void swap(int i,
                 int j)

Swaps two elements

Specified by:

swap in interface InplaceList<T>

Parameters:

i - Index of first element

j - Index of second element

add

public void add(int index,
                T element)

Specified by:

add in interface List<T>

Overrides:

add 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>

bytes

public long bytes()

Returns:

The size of this object in bytes