Package org.apache.ignite.internal.processors.cache.persistence.pagemem

Class ClockPageReplacementPolicyFactory

java.lang.Object

org.apache.ignite.internal.processors.cache.persistence.pagemem.ClockPageReplacementPolicyFactory

All Implemented Interfaces:

PageReplacementPolicyFactory

public class ClockPageReplacementPolicyFactory
extends Object
implements PageReplacementPolicyFactory

ClockPageReplacementPolicy factory.

Constructor Summary

Constructors

Constructor	Description
ClockPageReplacementPolicyFactory()

Method Summary

Modifier and Type	Method	Description
PageReplacementPolicy	create(org.apache.ignite.internal.processors.cache.persistence.pagemem.PageMemoryImpl.Segment seg, long ptr, int pagesCnt)	Create page replacement policy.
long	requiredMemory(int pagesCnt)	Calculaete amount of memory required to service pagesCnt pages.

Methods inherited from class java.lang.Object

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

Constructor Detail

ClockPageReplacementPolicyFactory

public ClockPageReplacementPolicyFactory()

Method Detail

requiredMemory

public long requiredMemory(int pagesCnt)

Calculaete amount of memory required to service pagesCnt pages.

Specified by:

requiredMemory in interface PageReplacementPolicyFactory

Parameters:

pagesCnt - Pages count.

create

public PageReplacementPolicy create(org.apache.ignite.internal.processors.cache.persistence.pagemem.PageMemoryImpl.Segment seg,
                                    long ptr,
                                    int pagesCnt)

Create page replacement policy.

Specified by:

create in interface PageReplacementPolicyFactory

Parameters:

seg - Page memory segment.

ptr - Pointer to memory region.

pagesCnt - Pages count.