org.apache.geode.cache

Class EvictionAction

java.lang.Object

javax.print.attribute.EnumSyntax

org.apache.geode.cache.EvictionAction

All Implemented Interfaces:

Serializable, Cloneable

@Immutable
public final class EvictionAction
extends EnumSyntax
implements Serializable

The action that an EvictionAlgorithm takes.

Since:

GemFire 5.0

See Also:

EvictionAlgorithm, EvictionAttributesImpl, Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static EvictionAction	DEFAULT_EVICTION_ACTION The default eviction action is to locally destroy an Entry.
static EvictionAction	LOCAL_DESTROY Perform a localDestory on the least recently used region entry.
static EvictionAction	NONE Canonical EvictionAction that represents no eviction
static EvictionAction	OVERFLOW_TO_DISK Write the value of the least recently used region entry to disk and null-out its value in the VM to free up heap space.

Method Summary

Modifier and Type	Method and Description
protected EnumSyntax[]	getEnumValueTable()
protected String[]	getStringTable()
boolean	isLocalDestroy()
boolean	isNone()
boolean	isOverflowToDisk()
static EvictionAction	parseAction(String s)
static EvictionAction	parseValue(int v) Returns the eviction action that corresponds to the given parameter.

Methods inherited from class javax.print.attribute.EnumSyntax

clone, getOffset, getValue, hashCode, readResolve, toString

Methods inherited from class java.lang.Object

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

Field Detail

NONE

@Immutable
public static final EvictionAction NONE

Canonical EvictionAction that represents no eviction

LOCAL_DESTROY

@Immutable
public static final EvictionAction LOCAL_DESTROY

Perform a localDestory on the least recently used region entry.

OVERFLOW_TO_DISK

@Immutable
public static final EvictionAction OVERFLOW_TO_DISK

Write the value of the least recently used region entry to disk and null-out its value in the VM to free up heap space. Note that this action is only available when the region has been configured to access data on disk.

DEFAULT_EVICTION_ACTION

@Immutable
public static final EvictionAction DEFAULT_EVICTION_ACTION

The default eviction action is to locally destroy an Entry.

Method Detail

getStringTable

protected String[] getStringTable()

Overrides:

getStringTable in class EnumSyntax

getEnumValueTable

protected EnumSyntax[] getEnumValueTable()

Overrides:

getEnumValueTable in class EnumSyntax

isLocalDestroy

public boolean isLocalDestroy()

isOverflowToDisk

public boolean isOverflowToDisk()

isNone

public boolean isNone()

parseValue

public static EvictionAction parseValue(int v)

Returns the eviction action that corresponds to the given parameter. Returns null if no action corresponds.

Parameters:

v - the parameter representation of an eviction action

Returns:

the eviction action that corresponds to the given parameter

Since:

GemFire 6.5

parseAction

public static EvictionAction parseAction(String s)

Parameters:

s - a String representation of an eviction action

Returns:

the action parsed from the provided string. If there are problems with parsing NONE is returned.