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

Class ChainSegment

java.lang.Object

com.gigaspaces.internal.server.space.eviction.ChainSegment

All Implemented Interfaces:

IEvictionChain

public class ChainSegment
extends Object
implements IEvictionChain

mostly concurrent chain segment can be used for LRU and FIFO eviction insertion is totally non-blocking removal locks the specific node + its previous in order to keep balanced list, we use segments in order to minimize contention

Since:

7.0

Author:

Yechiel Feffer

Constructor Summary

Constructors

Constructor	Description
ChainSegment(boolean unsafe, int segment)
ChainSegment(int segment)

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

ChainSegment

public ChainSegment(int segment)

ChainSegment

public ChainSegment(boolean unsafe,
 int segment)

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()