Package com.gigaspaces.internal.server.space.eviction

Class ChainsSegments

java.lang.Object

com.gigaspaces.internal.server.space.eviction.ChainsSegments

All Implemented Interfaces:

IEvictionChain

public class ChainsSegments
extends Object
implements IEvictionChain

segments. each segment is mostly concurrent chain. mostly concurrent chain segment can be used for LRU and FIFO eviction insertion is totally non-blocking, and to a random segment removal locks the specific node + its previous in order to keep balanced list segments are used to spread contention

Since:

7.0

Author:

Yechiel Feffer

Constructor Summary

Constructors

Constructor	Description
ChainsSegments()
ChainsSegments(boolean unsafe, int evictionThreshold)
ChainsSegments(boolean unsafe, int evictionThreshold, int numOfSegments)

Method Summary

Modifier and Type	Method	Description
Iterator<EvictableServerEntry>	evictionCandidates()
void	insert(EvictableServerEntry entry)
boolean	isEvictable(EvictableServerEntry entry)
void	monitor()
boolean	remove(EvictableServerEntry entry)
boolean	touch(EvictableServerEntry entry)

Methods inherited from class java.lang.Object

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

Constructor Details

ChainsSegments

public ChainsSegments()

ChainsSegments

public ChainsSegments(boolean unsafe,
 int evictionThreshold)

ChainsSegments

public ChainsSegments(boolean unsafe,
 int evictionThreshold,
 int numOfSegments)

Method Details

insert

public void insert(EvictableServerEntry entry)

Specified by:

insert in interface IEvictionChain

remove

public boolean remove(EvictableServerEntry entry)

Specified by:

remove in interface IEvictionChain

touch

public boolean touch(EvictableServerEntry entry)

Specified by:

touch in interface IEvictionChain

isEvictable

public boolean isEvictable(EvictableServerEntry entry)

Specified by:

isEvictable in interface IEvictionChain

evictionCandidates

public Iterator<EvictableServerEntry> evictionCandidates()

Specified by:

evictionCandidates in interface IEvictionChain

monitor

public void monitor()