Converterannotation or defined in the object/relational mapping descriptor as a converter.
autoApply element is specified as
true, the persistence provider must automatically
apply the converter to all mapped attributes of the specified
target type for all entities in the persistence unit except for
attributes for which conversion is overridden by means of the
Convert annotation (or XML equivalent).
In determining whether a converter is applicable to an attribute, the provider must treat primitive types and wrapper types as equivalent.
Note that Id attributes, version attributes, relationship
attributes, and attributes explicitly annotated as
Temporal (or designated as
such via XML) will not be converted.
Note that if
Convert annotation may be used to override or disable
auto-apply conversion on a per-attribute basis.
false, only those
attributes of the target type for which the
annotation (or corresponding XML element) has been specified will
If there is more than one converter defined for the same target
Convert annotation should be used to
explicitly specify which converter to use.
|Modifier and Type||Optional Element and Description|
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