com.gemstone.gemfire.cache
Class EvictionAlgorithm

java.lang.Object
  javax.print.attribute.EnumSyntax
      com.gemstone.gemfire.cache.EvictionAlgorithm

All Implemented Interfaces:

Serializable, Cloneable

public final class EvictionAlgorithm
extends EnumSyntax

The algorithm used to determine when to perform an EvictionAction

Since:

5.0

See Also:

EvictionAction, EvictionAttributesImpl, Serialized Form

Field Summary

static EvictionAlgorithm	LRU_ENTRY An algorithm that considers the number of Entries in the Region before invoking its EvictionAction
static EvictionAlgorithm	LRU_HEAP An algorithm that considers the JVM heap size before invoking its EvictionAction
static EvictionAlgorithm	LRU_MEMORY An algorithm that considers the amount of bytes consumed by the Region before invoking its EvictionAction
static EvictionAlgorithm	NONE The canonical EvictionAction that represents no eviction action

Method Summary

boolean	isLRU() returns true if this object uses a least-recently-used algorithm
boolean	isLRUEntry()
boolean	isLRUHeap()
boolean	isLRUMemory()
boolean	isNone()
static EvictionAlgorithm	parseAction(String s)

Methods inherited from class javax.print.attribute.EnumSyntax

clone, getValue, hashCode, toString

Methods inherited from class java.lang.Object

equals, getClass, notify, notifyAll, wait, wait, wait

Field Detail

NONE

public static final EvictionAlgorithm NONE

The canonical EvictionAction that represents no eviction action

LRU_ENTRY

public static final EvictionAlgorithm LRU_ENTRY

An algorithm that considers the number of Entries in the Region before invoking its EvictionAction

LRU_HEAP

public static final EvictionAlgorithm LRU_HEAP

An algorithm that considers the JVM heap size before invoking its EvictionAction

LRU_MEMORY

public static final EvictionAlgorithm LRU_MEMORY

An algorithm that considers the amount of bytes consumed by the Region before invoking its EvictionAction

Method Detail

parseAction

public static EvictionAlgorithm parseAction(String s)

isLRUEntry

public final boolean isLRUEntry()

isLRUMemory

public final boolean isLRUMemory()

isLRUHeap

public final boolean isLRUHeap()

isLRU

public boolean isLRU()

returns true if this object uses a least-recently-used algorithm

isNone

public final boolean isNone()