rx.internal.util.unsafe

Class SpmcArrayQueue<E>

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractQueue<E>

rx.internal.util.unsafe.ConcurrentCircularArrayQueue<E>

rx.internal.util.unsafe.SpmcArrayQueue<E>

All Implemented Interfaces:

java.lang.Iterable<E>, java.util.Collection<E>, java.util.Queue<E>

public final class SpmcArrayQueue<E>
extends ConcurrentCircularArrayQueue<E>
implements java.util.Queue<E>

Field Summary

Fields

Modifier and Type	Field and Description
protected static long	HEAD_OFFSET
protected static long	TAIL_OFFSET

Fields inherited from class rx.internal.util.unsafe.ConcurrentCircularArrayQueue

buffer, BUFFER_PAD, capacity, mask, SPARSE_SHIFT

Constructor Summary

Constructors

Constructor and Description
SpmcArrayQueue(int capacity)

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	casHead(long expect, long newValue)
protected long	lvHead()
protected long	lvTail()
protected long	lvTailCache()
boolean	offer(E e)
E	peek()
E	poll()
int	size()
protected void	soTail(long v)
protected void	svTailCache(long v)

Methods inherited from class rx.internal.util.unsafe.ConcurrentCircularArrayQueue

calcOffset, iterator, lpElement, lpElement, lvElement, lvElement, soElement, soElement, spElement, spElement, svElement, svElement

Methods inherited from class java.util.AbstractQueue

add, addAll, clear, element, remove

Methods inherited from class java.util.AbstractCollection

contains, containsAll, isEmpty, remove, removeAll, retainAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Queue

add, element, remove

Methods inherited from interface java.util.Collection

addAll, clear, contains, containsAll, equals, hashCode, isEmpty, iterator, remove, removeAll, retainAll, toArray, toArray

Field Detail

HEAD_OFFSET

protected static final long HEAD_OFFSET

TAIL_OFFSET

protected static final long TAIL_OFFSET

Constructor Detail

SpmcArrayQueue

public SpmcArrayQueue(int capacity)

Method Detail

offer

public boolean offer(E e)

Specified by:

offer in interface java.util.Queue<E>

Overrides:

offer in class ConcurrentCircularArrayQueue<E>

poll

public E poll()

Specified by:

poll in interface java.util.Queue<E>

Overrides:

poll in class ConcurrentCircularArrayQueue<E>

peek

public E peek()

Specified by:

peek in interface java.util.Queue<E>

Overrides:

peek in class ConcurrentCircularArrayQueue<E>

size

public int size()

Specified by:

size in interface java.util.Collection<E>

Overrides:

size in class ConcurrentCircularArrayQueue<E>

lvTailCache

protected final long lvTailCache()

svTailCache

protected final void svTailCache(long v)

lvHead

protected final long lvHead()

casHead

protected final boolean casHead(long expect,
              long newValue)

lvTail

protected final long lvTail()

soTail

protected final void soTail(long v)