javax.persistence.spi

Class PersistenceProviderResolverHolder

java.lang.Object

javax.persistence.spi.PersistenceProviderResolverHolder

public class PersistenceProviderResolverHolder
extends java.lang.Object

Holds the global PersistenceProviderResolver instance. If no PersistenceProviderResolver is set by the environment, the default PersistenceProviderResolver is used. Implementations must be thread-safe.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	PersistenceProviderResolverHolder.PersistenceProviderResolverPerClassLoader Cache PersistenceProviderResolver per classloader and use the current classloader as a key.

Field Summary

Fields

Modifier and Type	Field and Description
private static PersistenceProviderResolver	DEFAULT_RESOLVER
private static PersistenceProviderResolver	RESOLVER

Constructor Summary

Constructors

Constructor and Description
PersistenceProviderResolverHolder()

Method Summary

Modifier and Type	Method and Description
static PersistenceProviderResolver	getPersistenceProviderResolver() Returns the current persistence provider resolver
static void	setPersistenceProviderResolver(PersistenceProviderResolver resolver) Defines the persistence provider resolver used.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_RESOLVER

private static final PersistenceProviderResolver DEFAULT_RESOLVER

RESOLVER

private static volatile PersistenceProviderResolver RESOLVER

Constructor Detail

PersistenceProviderResolverHolder

public PersistenceProviderResolverHolder()

Method Detail

getPersistenceProviderResolver

public static PersistenceProviderResolver getPersistenceProviderResolver()

Returns the current persistence provider resolver

Returns:

persistence provider resolver in use

setPersistenceProviderResolver

public static void setPersistenceProviderResolver(PersistenceProviderResolver resolver)

Defines the persistence provider resolver used.

Parameters:

resolver - PersistenceProviderResolver to be used.