public interface RelationalConverter
RelationalConverter
is responsible for converting for values to the native relational representation and
vice versa.MappingContext<? extends RelationalPersistentEntity<?>,? extends RelationalPersistentProperty> getMappingContext()
MappingContext
used by the converter.ConversionService getConversionService()
ConversionService
used by the converter.<T> T createInstance(PersistentEntity<T,RelationalPersistentProperty> entity, Function<PreferredConstructor.Parameter<?,RelationalPersistentProperty>,Object> parameterValueProvider)
PersistentEntity
given ParameterValueProvider
to obtain constructor
properties.T
- the type of entity to create.entity
- the kind of entity to create. Must not be null
.parameterValueProvider
- a function that provides the value to pass to a constructor, given a
PreferredConstructor.Parameter
. Must not be null
.null
.<T> PersistentPropertyAccessor<T> getPropertyAccessor(PersistentEntity<T,?> persistentEntity, T instance)
PersistentPropertyAccessor
to access property values of the instance
.persistentEntity
- the kind of entity to operate on. Must not be null
.instance
- the instance to operate on. Must not be null
.null
.@Nullable Object readValue(@Nullable Object value, TypeInformation<?> type)
destination type
.value
- a value as it is returned by the driver accessing the persistence store. May be null
.type
- TypeInformation
into which the value is to be converted. Must not be null
.null
.@Nullable Object writeValue(@Nullable Object value, TypeInformation<?> type)
value
- a value as it is used in the object model. May be null
.type
- TypeInformation
into which the value is to be converted. Must not be null
.null
.EntityInstantiators getEntityInstantiators()
EntityInstantiators
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