Package javax.persistence

Enum Class SharedCacheMode

java.lang.Object

java.lang.Enum<SharedCacheMode>

javax.persistence.SharedCacheMode

All Implemented Interfaces:

Serializable, Comparable<SharedCacheMode>, Constable

public enum SharedCacheMode
extends Enum<SharedCacheMode>

Specifies how the provider must use a second-level cache for the persistence unit. Corresponds to the value of the persistence.xml shared-cache-mode element, and returned as the result of PersistenceUnitInfo.getSharedCacheMode().

Since:

Java Persistence 2.0

Nested Class Summary

Nested classes/interfaces inherited from class java.lang.Enum

Enum.EnumDesc<E extends Enum<E>>

Enum Constant Summary

Enum Constants

Enum Constant	Description
ALL	All entities and entity-related state and data are cached.
DISABLE_SELECTIVE	Caching is enabled for all entities except those for which Cacheable(false) is specified.
ENABLE_SELECTIVE	Caching is enabled for all entities for Cacheable(true) is specified.
NONE	Caching is disabled for the persistence unit.
UNSPECIFIED	Caching behavior is undefined: provider-specific defaults may apply.

Method Summary

Modifier and Type	Method	Description
static SharedCacheMode	valueOf(String name)	Returns the enum constant of this class with the specified name.
static SharedCacheMode[]	values()	Returns an array containing the constants of this enum class, in the order they are declared.

Methods inherited from class java.lang.Enum

clone, compareTo, describeConstable, equals, finalize, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Details

ALL

public static final SharedCacheMode ALL

All entities and entity-related state and data are cached.

NONE

public static final SharedCacheMode NONE

Caching is disabled for the persistence unit.

ENABLE_SELECTIVE

public static final SharedCacheMode ENABLE_SELECTIVE

Caching is enabled for all entities for Cacheable(true) is specified. All other entities are not cached.

DISABLE_SELECTIVE

public static final SharedCacheMode DISABLE_SELECTIVE

Caching is enabled for all entities except those for which Cacheable(false) is specified. Entities for which Cacheable(false) is specified are not cached.

UNSPECIFIED

public static final SharedCacheMode UNSPECIFIED

Caching behavior is undefined: provider-specific defaults may apply.

Method Details

values

public static SharedCacheMode[] values()

Returns an array containing the constants of this enum class, in the order they are declared.

Returns:

an array containing the constants of this enum class, in the order they are declared

valueOf

public static SharedCacheMode valueOf(String name)

Returns the enum constant of this class with the specified name. The string must match exactly an identifier used to declare an enum constant in this class. (Extraneous whitespace characters are not permitted.)

Parameters:

name - the name of the enum constant to be returned.

Returns:

the enum constant with the specified name

Throws:

IllegalArgumentException - if this enum class has no constant with the specified name

NullPointerException - if the argument is null