Class BBHeader.ReadAndWriteCounterRef

java.lang.Object

com.github.benmanes.caffeine.cache.BBHeader.PadReadCounter

com.github.benmanes.caffeine.cache.BBHeader.ReadCounterRef

com.github.benmanes.caffeine.cache.BBHeader.PadWriteCounter

com.github.benmanes.caffeine.cache.BBHeader.ReadAndWriteCounterRef

Direct Known Subclasses:

BoundedBuffer.RingBuffer

Enclosing class:

BBHeader

abstract static class BBHeader.ReadAndWriteCounterRef
extends BBHeader.PadWriteCounter

Enforces a memory layout to avoid false sharing by padding the write count.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) static final long	WRITE_OFFSET
(package private) long	writeCounter

Fields inherited from class BBHeader.PadWriteCounter

p120, p121, p122, p123, p124, p125, p126, p127, p128, p129, p130, p131, p132, p133, p134, p135, p136, p137, p138, p139, p140, p141, p142, p143, p144, p145, p146, p147, p148, p149, p150, p151, p152, p153, p154, p155, p156, p157, p158, p159, p160, p161, p162, p163, p164, p165, p166, p167, p168, p169, p170, p171, p172, p173, p174, p175, p176, p177, p178, p179, p180, p181, p182, p183, p184, p185, p186, p187, p188, p189, p190, p191, p192, p193, p194, p195, p196, p197, p198, p199, p200, p201, p202, p203, p204, p205, p206, p207, p208, p209, p210, p211, p212, p213, p214, p215, p216, p217, p218, p219, p220, p221, p222, p223, p224, p225, p226, p227, p228, p229, p230, p231, p232, p233, p234, p235, p236, p237, p238, p239

Fields inherited from class BBHeader.ReadCounterRef

READ_OFFSET, readCounter

Fields inherited from class BBHeader.PadReadCounter

p000, p001, p002, p003, p004, p005, p006, p007, p008, p009, p010, p011, p012, p013, p014, p015, p016, p017, p018, p019, p020, p021, p022, p023, p024, p025, p026, p027, p028, p029, p030, p031, p032, p033, p034, p035, p036, p037, p038, p039, p040, p041, p042, p043, p044, p045, p046, p047, p048, p049, p050, p051, p052, p053, p054, p055, p056, p057, p058, p059, p060, p061, p062, p063, p064, p065, p066, p067, p068, p069, p070, p071, p072, p073, p074, p075, p076, p077, p078, p079, p080, p081, p082, p083, p084, p085, p086, p087, p088, p089, p090, p091, p092, p093, p094, p095, p096, p097, p098, p099, p100, p101, p102, p103, p104, p105, p106, p107, p108, p109, p110, p111, p112, p113, p114, p115, p116, p117, p118, p119

Constructor Summary

Constructors

Constructor	Description
ReadAndWriteCounterRef()

Method Summary

Modifier and Type	Method	Description
(package private) boolean	casWriteCounter(long expect, long update)
(package private) long	relaxedWriteCounter()

Methods inherited from class BBHeader.ReadCounterRef

lazySetReadCounter

Methods inherited from class Object

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

Field Details

WRITE_OFFSET

static final long WRITE_OFFSET

writeCounter

volatile long writeCounter

Constructor Details

ReadAndWriteCounterRef

ReadAndWriteCounterRef()

Method Details

relaxedWriteCounter

long relaxedWriteCounter()

casWriteCounter

boolean casWriteCounter(long expect,
 long update)