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

Class ReplaceCandidate

java.lang.Object

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

public class ReplaceCandidate
extends Object

Replacement removal candidate. Class represents some page from loaded pages table. Usually candidate is found during random LoadedPagesMap touch.

Constructor Summary

Constructors

Constructor and Description
ReplaceCandidate(int gen, long relPtr, FullPageId fullId)

Method Summary

Modifier and Type	Method and Description
FullPageId	fullId()
int	generation()
long	relativePointer()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ReplaceCandidate

public ReplaceCandidate(int gen,
                        long relPtr,
                        FullPageId fullId)

Parameters:

gen - Partition generation.

relPtr - Relative pointer to page.

fullId - Full page ID.

Method Detail

generation

public int generation()

Returns:

Partition generation saved in map, too old value means page may be safely cleared.

relativePointer

public long relativePointer()

Returns:

Relative pointer to page.

fullId

public FullPageId fullId()

Returns:

Index.

toString

public String toString()

Overrides:

toString in class Object