javax.persistence

Enum CacheRetrieveMode

java.lang.Object

java.lang.Enum<CacheRetrieveMode>

javax.persistence.CacheRetrieveMode

All Implemented Interfaces:

Serializable, Comparable<CacheRetrieveMode>

public enum CacheRetrieveMode
extends Enum<CacheRetrieveMode>

Used as the value of the javax.persistence.cache.retrieveMode property to specify the behavior when data is retrieved by the find methods and by queries.

Since:

Java Persistence 2.0

Enum Constant Summary

Enum Constants

Enum Constant and Description
BYPASS Bypass the cache: get data directly from the database.
USE Read entity data from the cache: this is the default behavior.

Method Summary

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

Methods inherited from class java.lang.Enum

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

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, wait, wait, wait

Enum Constant Detail

USE

public static final CacheRetrieveMode USE

Read entity data from the cache: this is the default behavior.

BYPASS

public static final CacheRetrieveMode BYPASS

Bypass the cache: get data directly from the database.

Method Detail

values

public static CacheRetrieveMode[] values()

Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows:

for (CacheRetrieveMode c : CacheRetrieveMode.values())
    System.out.println(c);

Returns:

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

valueOf

public static CacheRetrieveMode valueOf(String name)

Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (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 type has no constant with the specified name

NullPointerException - if the argument is null