org.hibernate.bytecode.spi

Interface BytecodeEnhancementMetadata

All Known Implementing Classes:

BytecodeEnhancementMetadataNonPojoImpl, BytecodeEnhancementMetadataPojoImpl

public interface BytecodeEnhancementMetadata

Encapsulates bytecode enhancement information about a particular entity.

Author:

Steve Ebersole

Method Summary

Modifier and Type	Method and Description
LazyAttributeLoadingInterceptor	extractInterceptor(Object entity) Extract the field interceptor instance from the enhanced entity.
String	getEntityName() The name of the entity to which this metadata applies.
LazyAttributesMetadata	getLazyAttributesMetadata()
boolean	hasUnFetchedAttributes(Object entity)
LazyAttributeLoadingInterceptor	injectInterceptor(Object entity, SharedSessionContractImplementor session) Build and inject an interceptor instance into the enhanced entity.
boolean	isAttributeLoaded(Object entity, String attributeName)
boolean	isEnhancedForLazyLoading() Has the entity class been bytecode enhanced for lazy loading?

Method Detail

getEntityName

String getEntityName()

The name of the entity to which this metadata applies.

Returns:

The entity name

isEnhancedForLazyLoading

boolean isEnhancedForLazyLoading()

Has the entity class been bytecode enhanced for lazy loading?

Returns:

true indicates the entity class is enhanced for Hibernate use in lazy loading; false indicates it is not

getLazyAttributesMetadata

LazyAttributesMetadata getLazyAttributesMetadata()

injectInterceptor

LazyAttributeLoadingInterceptor injectInterceptor(Object entity,
                                                  SharedSessionContractImplementor session)
                                           throws NotInstrumentedException

Build and inject an interceptor instance into the enhanced entity.

Parameters:

entity - The entity into which built interceptor should be injected

session - The session to which the entity instance belongs.

Returns:

The built and injected interceptor

Throws:

NotInstrumentedException - Thrown if isEnhancedForLazyLoading() returns false

extractInterceptor

LazyAttributeLoadingInterceptor extractInterceptor(Object entity)
                                            throws NotInstrumentedException

Extract the field interceptor instance from the enhanced entity.

Parameters:

entity - The entity from which to extract the interceptor

Returns:

The extracted interceptor

Throws:

NotInstrumentedException - Thrown if isEnhancedForLazyLoading() returns false

hasUnFetchedAttributes

boolean hasUnFetchedAttributes(Object entity)

isAttributeLoaded

boolean isAttributeLoaded(Object entity,
                          String attributeName)