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

Class TimeBasedSpaceEvictionStrategy

java.lang.Object

com.gigaspaces.server.eviction.SpaceEvictionStrategy

com.gigaspaces.internal.server.space.eviction.TimeBasedSpaceEvictionStrategy

Direct Known Subclasses:

DefaultTimeBasedSpaceEvictionStrategy

public abstract class TimeBasedSpaceEvictionStrategy
extends SpaceEvictionStrategy

abstract class- infra' for time-based eviction strategy

Since:

9.1

Author:

Yechiel Feffer

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	TimeBasedSpaceEvictionStrategy.TimeBasedEvictionPayload

Constructor Summary

Constructors

Constructor	Description
TimeBasedSpaceEvictionStrategy(long inCacheTimeInterval, long inCacheReinsertedTimeInterval, long harvestMainInterval, long harvestShortLivedInterval)

Method Summary

Modifier and Type	Method	Description
void	close()	Called when the space is closed.
int	evict(int numOfEntries)	Called when the space requires entries to be evicted.
void	initialize(SpaceEvictionManager evictionManager, SpaceEvictionStrategyConfig config)	Called during the space initialization.
void	onInsert(EvictableServerEntry entry)	Called when a new entry is written to the space.
void	onLoad(EvictableServerEntry entry)	Called when an entry is loaded into the space from an external data source.
void	onRemove(EvictableServerEntry entry)	Called when an entry is removed from the space.

Methods inherited from class com.gigaspaces.server.eviction.SpaceEvictionStrategy

getEvictionConfig, getEvictionManager, isClosed, onRead, onUpdate, requiresConcurrencyProtection

Methods inherited from class java.lang.Object

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

Constructor Details

TimeBasedSpaceEvictionStrategy

public TimeBasedSpaceEvictionStrategy(long inCacheTimeInterval,
 long inCacheReinsertedTimeInterval,
 long harvestMainInterval,
 long harvestShortLivedInterval)

Method Details

initialize

public void initialize(SpaceEvictionManager evictionManager,
 SpaceEvictionStrategyConfig config)

Description copied from class: SpaceEvictionStrategy

Called during the space initialization.

Overrides:

initialize in class SpaceEvictionStrategy

close

public void close()

Description copied from class: SpaceEvictionStrategy

Called when the space is closed.

Overrides:

close in class SpaceEvictionStrategy

onInsert

public void onInsert(EvictableServerEntry entry)

Description copied from class: SpaceEvictionStrategy

Called when a new entry is written to the space.

Overrides:

onInsert in class SpaceEvictionStrategy

Parameters:

entry - The new entry

onLoad

public void onLoad(EvictableServerEntry entry)

Description copied from class: SpaceEvictionStrategy

Called when an entry is loaded into the space from an external data source.

Overrides:

onLoad in class SpaceEvictionStrategy

Parameters:

entry - The loaded entry

onRemove

public void onRemove(EvictableServerEntry entry)

Description copied from class: SpaceEvictionStrategy

Called when an entry is removed from the space.

Overrides:

onRemove in class SpaceEvictionStrategy

Parameters:

entry - The removed entry

evict

public int evict(int numOfEntries)

Description copied from class: SpaceEvictionStrategy

Called when the space requires entries to be evicted.

Specified by:

evict in class SpaceEvictionStrategy

Parameters:

numOfEntries - Number of entries to be evicted

Returns:

The number of entries actually evicted