Package org.apache.ignite.internal.processors.cache.persistence.diagnostic.pagelocktracker

Interface PageMetaInfoStore

All Known Implementing Classes:

HeapPageMetaInfoStore, OffHeapPageMetaInfoStore

public interface PageMetaInfoStore

Method Summary

Modifier and Type	Method	Description
void	add(int itemIdx, int op, int structureId, long pageId, long pageAddrHeader, long pageAddr)	Add page to store.
int	capacity()
PageMetaInfoStore	copy()
void	free()	Free resource.
int	getOperation(int itemIdx)
long	getPageAddr(int itemIdx)
long	getPageAddrHeader(int itemIdx)
long	getPageId(int itemIdx)
int	getStructureId(int itemIdx)
boolean	isEmpty()
void	remove(int itemIdx)	Remove page from store by index.

Method Detail

capacity

int capacity()

Returns:

Capacity.

isEmpty

boolean isEmpty()

Returns:

True if empty.

add

void add(int itemIdx,
         int op,
         int structureId,
         long pageId,
         long pageAddrHeader,
         long pageAddr)

Add page to store.

Parameters:

itemIdx - Index of page in store.

op - Page operation.

structureId - Data structure id.

pageId - Page id.

pageAddrHeader - Page header addres.

pageAddr - Page addres.

remove

void remove(int itemIdx)

Remove page from store by index.

getOperation

int getOperation(int itemIdx)

Parameters:

itemIdx - Index of page in store.

Returns:

Page operation.

getStructureId

int getStructureId(int itemIdx)

Parameters:

itemIdx - Index of page in store.

Returns:

Data structure id.

getPageId

long getPageId(int itemIdx)

Parameters:

itemIdx - Index of page in store.

Returns:

Page id.

getPageAddrHeader

long getPageAddrHeader(int itemIdx)

Parameters:

itemIdx - Index of page in store.

Returns:

Page header address.

getPageAddr

long getPageAddr(int itemIdx)

Parameters:

itemIdx - Index of page in store.

Returns:

Page address.

copy

PageMetaInfoStore copy()

Returns:

Copy of current store state.

free

void free()

Free resource.