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

Class OffHeapPageMetaInfoStore

java.lang.Object

org.apache.ignite.internal.processors.cache.persistence.diagnostic.pagelocktracker.store.OffHeapPageMetaInfoStore

All Implemented Interfaces:

PageMetaInfoStore

public class OffHeapPageMetaInfoStore
extends Object
implements PageMetaInfoStore

Constructor Summary

Constructors

Constructor	Description
OffHeapPageMetaInfoStore(int capacity, @Nullable MemoryCalculator memCalc)

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.

Methods inherited from class java.lang.Object

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

Constructor Detail

OffHeapPageMetaInfoStore

public OffHeapPageMetaInfoStore(int capacity,
                                @Nullable
                                @Nullable MemoryCalculator memCalc)

Method Detail

capacity

public int capacity()

Specified by:

capacity in interface PageMetaInfoStore

Returns:

Capacity.

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface PageMetaInfoStore

Returns:

True if empty.

add

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

Add page to store.

Specified by:

add in interface PageMetaInfoStore

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

public void remove(int itemIdx)

Remove page from store by index.

Specified by:

remove in interface PageMetaInfoStore

getOperation

public int getOperation(int itemIdx)

Specified by:

getOperation in interface PageMetaInfoStore

Parameters:

itemIdx - Index of page in store.

Returns:

Page operation.

getStructureId

public int getStructureId(int itemIdx)

Specified by:

getStructureId in interface PageMetaInfoStore

Parameters:

itemIdx - Index of page in store.

Returns:

Data structure id.

getPageId

public long getPageId(int itemIdx)

Specified by:

getPageId in interface PageMetaInfoStore

Parameters:

itemIdx - Index of page in store.

Returns:

Page id.

getPageAddrHeader

public long getPageAddrHeader(int itemIdx)

Specified by:

getPageAddrHeader in interface PageMetaInfoStore

Parameters:

itemIdx - Index of page in store.

Returns:

Page header address.

getPageAddr

public long getPageAddr(int itemIdx)

Specified by:

getPageAddr in interface PageMetaInfoStore

Parameters:

itemIdx - Index of page in store.

Returns:

Page address.

copy

public PageMetaInfoStore copy()

Specified by:

copy in interface PageMetaInfoStore

Returns:

Copy of current store state.

free

public void free()

Free resource.

Specified by:

free in interface PageMetaInfoStore