org.jctools.queues.atomic

Class AtomicQueueUtil

java.lang.Object

org.jctools.queues.atomic.AtomicQueueUtil

public final class AtomicQueueUtil
extends Object

Constructor Summary

Constructors

Constructor and Description
AtomicQueueUtil()

Method Summary

Modifier and Type	Method and Description
static AtomicLongArray	allocateLongArray(int capacity)
static <E> AtomicReferenceArray<E>	allocateRefArray(int capacity)
static int	calcCircularLongElementOffset(long index, int mask)
static int	calcCircularRefElementOffset(long index, long mask)
static int	calcLongElementOffset(long index)
static int	calcRefElementOffset(long index)
static int	length(AtomicReferenceArray<?> buf)
static long	lpLongElement(AtomicLongArray buffer, int offset)
static <E> E	lpRefElement(AtomicReferenceArray<E> buffer, int offset)
static long	lvLongElement(AtomicLongArray buffer, int offset)
static <E> E	lvRefElement(AtomicReferenceArray<E> buffer, int offset)
static int	modifiedCalcCircularRefElementOffset(long index, long mask) This method assumes index is actually (index << 1) because lower bit is used for resize hence the >> 1
static int	nextArrayOffset(AtomicReferenceArray<?> curr)
static void	soLongElement(AtomicLongArray buffer, int offset, long e)
static void	soRefElement(AtomicReferenceArray buffer, int offset, Object value)
static void	spLongElement(AtomicLongArray buffer, int offset, long e)
static <E> void	spRefElement(AtomicReferenceArray<E> buffer, int offset, E value)
static <E> void	svRefElement(AtomicReferenceArray<E> buffer, int offset, E value)

Methods inherited from class java.lang.Object

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

Constructor Detail

AtomicQueueUtil

public AtomicQueueUtil()

Method Detail

lvRefElement

public static <E> E lvRefElement(AtomicReferenceArray<E> buffer,
                                 int offset)

lpRefElement

public static <E> E lpRefElement(AtomicReferenceArray<E> buffer,
                                 int offset)

spRefElement

public static <E> void spRefElement(AtomicReferenceArray<E> buffer,
                                    int offset,
                                    E value)

soRefElement

public static void soRefElement(AtomicReferenceArray buffer,
                                int offset,
                                Object value)

svRefElement

public static <E> void svRefElement(AtomicReferenceArray<E> buffer,
                                    int offset,
                                    E value)

calcRefElementOffset

public static int calcRefElementOffset(long index)

calcCircularRefElementOffset

public static int calcCircularRefElementOffset(long index,
                                               long mask)

allocateRefArray

public static <E> AtomicReferenceArray<E> allocateRefArray(int capacity)

spLongElement

public static void spLongElement(AtomicLongArray buffer,
                                 int offset,
                                 long e)

soLongElement

public static void soLongElement(AtomicLongArray buffer,
                                 int offset,
                                 long e)

lpLongElement

public static long lpLongElement(AtomicLongArray buffer,
                                 int offset)

lvLongElement

public static long lvLongElement(AtomicLongArray buffer,
                                 int offset)

calcLongElementOffset

public static int calcLongElementOffset(long index)

calcCircularLongElementOffset

public static int calcCircularLongElementOffset(long index,
                                                int mask)

allocateLongArray

public static AtomicLongArray allocateLongArray(int capacity)

length

public static int length(AtomicReferenceArray<?> buf)

modifiedCalcCircularRefElementOffset

public static int modifiedCalcCircularRefElementOffset(long index,
                                                       long mask)

This method assumes index is actually (index << 1) because lower bit is used for resize hence the >> 1

nextArrayOffset

public static int nextArrayOffset(AtomicReferenceArray<?> curr)