Package javax.persistence.spi
Class PersistenceProviderResolverHolder
- java.lang.Object
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- javax.persistence.spi.PersistenceProviderResolverHolder
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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.
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Nested Class Summary
Nested Classes Modifier and Type Class Description private static class
PersistenceProviderResolverHolder.PersistenceProviderResolverPerClassLoader
Cache PersistenceProviderResolver per classloader and use the current classloader as a key.
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Field Summary
Fields Modifier and Type Field Description private static PersistenceProviderResolver
DEFAULT_RESOLVER
private static PersistenceProviderResolver
RESOLVER
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Constructor Summary
Constructors Constructor Description PersistenceProviderResolverHolder()
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static PersistenceProviderResolver
getPersistenceProviderResolver()
Returns the current persistence provider resolverstatic void
setPersistenceProviderResolver(PersistenceProviderResolver resolver)
Defines the persistence provider resolver used.
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Field Detail
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DEFAULT_RESOLVER
private static final PersistenceProviderResolver DEFAULT_RESOLVER
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RESOLVER
private static volatile PersistenceProviderResolver RESOLVER
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Method Detail
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getPersistenceProviderResolver
public static PersistenceProviderResolver getPersistenceProviderResolver()
Returns the current persistence provider resolver- Returns:
- persistence provider resolver in use
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setPersistenceProviderResolver
public static void setPersistenceProviderResolver(PersistenceProviderResolver resolver)
Defines the persistence provider resolver used.- Parameters:
resolver
- PersistenceProviderResolver to be used.
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