Package javax.persistence.spi
Class PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.PersistenceProviderReference
- java.lang.Object
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- java.lang.ref.Reference<T>
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- java.lang.ref.SoftReference<java.util.List<PersistenceProvider>>
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- javax.persistence.spi.PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.PersistenceProviderReference
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- 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.
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Field Summary
Fields Modifier and Type Field Description private PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKey
cacheKey
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Constructor Summary
Constructors Constructor Description PersistenceProviderReference(java.util.List<PersistenceProvider> referent, java.lang.ref.ReferenceQueue q, PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKey key)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKey
getCacheKey()
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Field Detail
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cacheKey
private PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKey cacheKey
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Constructor Detail
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PersistenceProviderReference
PersistenceProviderReference(java.util.List<PersistenceProvider> referent, java.lang.ref.ReferenceQueue q, PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKey key)
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Method Detail
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getCacheKey
public PersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKey getCacheKey()
- Specified by:
getCacheKey
in interfacePersistenceProviderResolverHolder.DefaultPersistenceProviderResolver.CacheKeyReference
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