com.hazelcast.map.impl.eviction

Class EvictorImpl

java.lang.Object

com.hazelcast.map.impl.eviction.EvictorImpl

All Implemented Interfaces:

Evictor

public class EvictorImpl
extends Object
implements Evictor

Eviction helper methods.

Field Summary

Fields

Modifier and Type	Field and Description
protected EvictionChecker	evictionChecker
protected MapServiceContext	mapServiceContext
protected static int	ONE_HUNDRED_PERCENT

Constructor Summary

Constructors

Constructor and Description
EvictorImpl(EvictionChecker evictionChecker, MapServiceContext mapServiceContext)

Method Summary

Methods

Modifier and Type	Method and Description
protected long[]	createAndPopulateEvictionCriteriaArray(RecordStore recordStore, EvictionPolicy evictionPolicy)
int	findRemovalSize(RecordStore recordStore) Find size to evict from a record-store.
EvictionChecker	getEvictionChecker() Get eviction checker for this Evictor
protected long	getEvictionCriteriaValue(Record record, EvictionPolicy evictionPolicy)
protected int	getEvictionStartIndex(long[] criterias, int evictableSize)
protected boolean	isBackup(RecordStore recordStore)
void	removeSize(int removalSize, RecordStore recordStore) Remove supplied number of elements from record-store.
protected boolean	tryEvict(Data key, Record record, RecordStore recordStore, boolean backup, long now)

Methods inherited from class java.lang.Object

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

Field Detail

ONE_HUNDRED_PERCENT

protected static final int ONE_HUNDRED_PERCENT

See Also:

Constant Field Values

mapServiceContext

protected final MapServiceContext mapServiceContext

evictionChecker

protected final EvictionChecker evictionChecker

Constructor Detail

EvictorImpl

public EvictorImpl(EvictionChecker evictionChecker,
           MapServiceContext mapServiceContext)

Method Detail

getEvictionChecker

public EvictionChecker getEvictionChecker()

Description copied from interface: Evictor

Get eviction checker for this Evictor

Specified by:

getEvictionChecker in interface Evictor

Returns:

the EvictionChecker

removeSize

public void removeSize(int removalSize,
              RecordStore recordStore)

Description copied from interface: Evictor

Remove supplied number of elements from record-store.

Specified by:

removeSize in interface Evictor

Parameters:

removalSize - supplied size to remove.

recordStore - the recordStore

isBackup

protected boolean isBackup(RecordStore recordStore)

tryEvict

protected boolean tryEvict(Data key,
               Record record,
               RecordStore recordStore,
               boolean backup,
               long now)

createAndPopulateEvictionCriteriaArray

protected long[] createAndPopulateEvictionCriteriaArray(RecordStore recordStore,
                                            EvictionPolicy evictionPolicy)

getEvictionStartIndex

protected int getEvictionStartIndex(long[] criterias,
                        int evictableSize)

findRemovalSize

public int findRemovalSize(RecordStore recordStore)

Description copied from interface: Evictor

Find size to evict from a record-store.

Specified by:

findRemovalSize in interface Evictor

Parameters:

recordStore - the recordStore

Returns:

removal size.

getEvictionCriteriaValue

protected long getEvictionCriteriaValue(Record record,
                            EvictionPolicy evictionPolicy)