cz.cuni.amis.utils.concurrency

Class AtomicIntegerList

java.lang.Object

cz.cuni.amis.utils.concurrency.AtomicIntegerList

public class AtomicIntegerList
extends Object

Constructor Summary

Constructors

Constructor and Description
AtomicIntegerList(int initialCapacity, int capacityStep)

Method Summary

Methods

Modifier and Type	Method and Description
int	addAndGet(int i, int delta) Atomically add the given value to element at index i.
int	capacity() Returns current capacity of the array.
boolean	compareAndSet(int i, int expect, int update) Atomically set the value to the given updated value if the current value == the expected value.
int	decrementAndGet(int i) Atomically decrement by one the element at index i.
int	get(int i) Get the current value at position i.
int	getAndAdd(int i, int delta) Atomically add the given value to element at index i.
int	getAndDecrement(int i) Atomically decrement by one the element at index i.
int	getAndIncrement(int i) Atomically increment by one the element at index i.
int	getAndSet(int i, int newValue) Set the element at position i to the given value and return the old value.
int	incrementAndGet(int i) Atomically increment by one the element at index i.
void	set(int i, int newValue) Set the element at position i to the given value.
int	size() Returns the length of the array (== max-touched-index+1).
boolean	weakCompareAndSet(int i, int expect, int update) Atomically set the value to the given updated value if the current value == the expected value.

Methods inherited from class java.lang.Object

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

Constructor Detail

AtomicIntegerList

public AtomicIntegerList(int initialCapacity,
                 int capacityStep)

Method Detail

addAndGet

public int addAndGet(int i,
            int delta)

Atomically add the given value to element at index i.

Parameters:

i -

delta -

Returns:

compareAndSet

public boolean compareAndSet(int i,
                    int expect,
                    int update)

Atomically set the value to the given updated value if the current value == the expected value.

Parameters:

i -

expect -

update -

Returns:

decrementAndGet

public int decrementAndGet(int i)

Atomically decrement by one the element at index i.

Parameters:

i -

Returns:

get

public int get(int i)

Get the current value at position i.

Parameters:

i -

Returns:

getAndAdd

public int getAndAdd(int i,
            int delta)

Atomically add the given value to element at index i.

Parameters:

i -

delta -

Returns:

getAndDecrement

public int getAndDecrement(int i)

Atomically decrement by one the element at index i.

Parameters:

i -

Returns:

getAndIncrement

public int getAndIncrement(int i)

Atomically increment by one the element at index i.

Parameters:

i -

Returns:

getAndSet

public int getAndSet(int i,
            int newValue)

Set the element at position i to the given value and return the old value.

Parameters:

i -

newValue -

Returns:

incrementAndGet

public int incrementAndGet(int i)

Atomically increment by one the element at index i.

Parameters:

i -

Returns:

size

public int size()

Returns the length of the array (== max-touched-index+1).

Returns:

capacity

public int capacity()

Returns current capacity of the array.

Returns:

set

public void set(int i,
       int newValue)

Set the element at position i to the given value.

Parameters:

i -

newValue -

weakCompareAndSet

public boolean weakCompareAndSet(int i,
                        int expect,
                        int update)

Atomically set the value to the given updated value if the current value == the expected value.

Parameters:

i -

expect -

update -

Returns: