Package org.jctools.queues

Class MpmcConcurrentQueueSMHeadField<E>

java.lang.Object

org.jctools.queues.MpmcConcurrentQueueSMBufferL0Pad

org.jctools.queues.MpmcConcurrentQueueSMBuffer<E>

org.jctools.queues.MpmcConcurrentQueueSML1Pad<E>

org.jctools.queues.MpmcConcurrentQueueSMTailField<E>

org.jctools.queues.MpmcConcurrentQueueSML2Pad<E>

org.jctools.queues.MpmcConcurrentQueueSMHeadField<E>

Direct Known Subclasses:

MpmcConcurrentQueueStateMarkers

abstract class MpmcConcurrentQueueSMHeadField<E>
extends MpmcConcurrentQueueSML2Pad<E>

Field Summary

Fields

Modifier and Type	Field	Description
private long	head
private static long	HEAD_OFFSET

Fields inherited from class org.jctools.queues.MpmcConcurrentQueueSML2Pad

b000, b001, b002, b003, b004, b005, b006, b007, b010, b011, b012, b013, b014, b015, b016, b017, b020, b021, b022, b023, b024, b025, b026, b027, b030, b031, b032, b033, b034, b035, b036, b037, b040, b041, b042, b043, b044, b045, b046, b047, b050, b051, b052, b053, b054, b055, b056, b057, b060, b061, b062, b063, b064, b065, b066, b067, b070, b071, b072, b073, b074, b075, b076, b077, b100, b101, b102, b103, b104, b105, b106, b107, b110, b111, b112, b113, b114, b115, b116, b117, b120, b121, b122, b123, b124, b125, b126, b127, b130, b131, b132, b133, b134, b135, b136, b137, b140, b141, b142, b143, b144, b145, b146, b147, b150, b151, b152, b153, b154, b155, b156, b157, b160, b161, b162, b163, b164, b165, b166, b167

Fields inherited from class org.jctools.queues.MpmcConcurrentQueueSMBuffer

buffer, capacity, mask, SIZE_OF_ELEMENT

Constructor Summary

Constructors

Constructor	Description
MpmcConcurrentQueueSMHeadField(int capacity)

Method Summary

Modifier and Type	Method	Description
protected boolean	casHead(long expect, long newValue)
protected long	lvHead()

Methods inherited from class org.jctools.queues.MpmcConcurrentQueueSMTailField

casTail, lvTail

Methods inherited from class org.jctools.queues.MpmcConcurrentQueueSMBuffer

calcOffset, lvElement, soElement, spElement, svElement

Methods inherited from class java.lang.Object

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

Field Detail

HEAD_OFFSET

private static final long HEAD_OFFSET

head

private volatile long head

Constructor Detail

MpmcConcurrentQueueSMHeadField

public MpmcConcurrentQueueSMHeadField(int capacity)

Method Detail

lvHead

protected final long lvHead()

casHead

protected final boolean casHead(long expect,
                                long newValue)