cz.cuni.amis.utils.concurrency

Class AtomicLongList

java.lang.Object

cz.cuni.amis.utils.concurrency.AtomicLongList

public class AtomicLongList
extends Object

Constructor Summary

Constructors

Constructor and Description
AtomicLongList(int initialCapacity, int capacityStep)

Method Summary

Methods

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

AtomicLongList

public AtomicLongList(int initialCapacity,
              int capacityStep)

Method Detail

addAndGet

public long addAndGet(int i,
             long delta)

Atomically add the given value to element at index i.

Parameters:

i -

delta -

Returns:

compareAndSet

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

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

Parameters:

i -

expect -

update -

Returns:

decrementAndGet

public long decrementAndGet(int i)

Atomically decrement by one the element at index i.

Parameters:

i -

Returns:

get

public long get(int i)

Get the current value at position i.

Parameters:

i -

Returns:

getAndAdd

public long getAndAdd(int i,
             long delta)

Atomically add the given value to element at index i.

Parameters:

i -

delta -

Returns:

getAndDecrement

public long getAndDecrement(int i)

Atomically decrement by one the element at index i.

Parameters:

i -

Returns:

getAndIncrement

public long getAndIncrement(int i)

Atomically increment by one the element at index i.

Parameters:

i -

Returns:

getAndSet

public long getAndSet(int i,
             long newValue)

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

Parameters:

i -

newValue -

Returns:

incrementAndGet

public long 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,
       long newValue)

Set the element at position i to the given value.

Parameters:

i -

newValue -

weakCompareAndSet

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

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

Parameters:

i -

expect -

update -

Returns: