javax.persistence.spi

Class PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.PersistenceProviderReference

java.lang.Object

java.lang.ref.Reference<T>

java.lang.ref.SoftReference<java.util.List<PersistenceProvider>>

javax.persistence.spi.PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.PersistenceProviderReference

All Implemented Interfaces:

PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKeyReference

Enclosing class:

PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver

private class PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.PersistenceProviderReference
extends java.lang.ref.SoftReference<java.util.List<PersistenceProvider>>
implements PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKeyReference

References to persistence provider are soft references so that they can be garbage collected when they have no hard references.

Field Summary

Fields

Modifier and Type	Field and Description
private PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKey	cacheKey

Constructor Summary

Constructors

Constructor and Description
PersistenceProviderReference(java.util.List<PersistenceProvider> referent, java.lang.ref.ReferenceQueue q, PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKey key)

Method Summary

Modifier and Type	Method and Description
PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKey	getCacheKey()

Methods inherited from class java.lang.ref.SoftReference

get

Methods inherited from class java.lang.ref.Reference

clear, clone, enqueue, isEnqueued

Methods inherited from class java.lang.Object

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

Field Detail

cacheKey

private PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKey cacheKey

Constructor Detail

PersistenceProviderReference

PersistenceProviderReference(java.util.List<PersistenceProvider> referent,
                             java.lang.ref.ReferenceQueue q,
                             PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKey key)

Method Detail

getCacheKey

public PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKey getCacheKey()

Specified by:

getCacheKey in interface PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKeyReference