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

Interface PageReplacementPolicyFactory

All Known Implementing Classes:

ClockPageReplacementPolicyFactory, RandomLruPageReplacementPolicyFactory, SegmentedLruPageReplacementPolicyFactory

public interface PageReplacementPolicyFactory

Page replacement policy factory.

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.

Method Detail

requiredMemory

long requiredMemory(int pagesCnt)

Calculaete amount of memory required to service pagesCnt pages.

Parameters:

pagesCnt - Pages count.

create

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

Create page replacement policy.

Parameters:

seg - Page memory segment.

ptr - Pointer to memory region.

pagesCnt - Pages count.