Package org.apache.ignite.internal.persistence.freelist

Class PagesList.PagesCache

java.lang.Object

org.apache.ignite.internal.persistence.freelist.PagesList.PagesCache

Enclosing class:

PagesList

public static class PagesList.PagesCache
extends Object

Class to store page-list cache onheap.

Constructor Summary

Constructors

Constructor	Description
PagesCache(AtomicLong pagesCacheLimit)	Default constructor.

Method Summary

Modifier and Type	Method	Description
boolean	add(long pageId)	Add pageId to the tail of the list.
GridLongList	flush()	Flush all stripes to one list and clear stripes.
long	poll()	Poll next page from the list.
boolean	removePage(long pageId)	Remove page from the list.
int	size()	Cache size.

Methods inherited from class java.lang.Object

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

Constructor Details

PagesCache

public PagesCache(AtomicLong pagesCacheLimit)

Default constructor.

Method Details

removePage

public boolean removePage(long pageId)

Remove page from the list.

Parameters:

pageId - Page id.

Returns:

True if page was found and succesfully removed, false if page not found.

poll

public long poll()

Poll next page from the list.

Returns:

pageId.

flush

public GridLongList flush()

Flush all stripes to one list and clear stripes.

add

public boolean add(long pageId)

Add pageId to the tail of the list.

Parameters:

pageId - Page id.

Returns:

True if page can be added, false if list is full.

size

public int size()

Cache size.