Annotation Type ObjectTypeConverter
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@Target({TYPE,METHOD,FIELD}) @Retention(RUNTIME) @Repeatable(ObjectTypeConverters.class) public @interface ObjectTypeConverter
The ObjectTypeConverter annotation is used to specify a TopLink org.eclipse.persistence.mappings.converters.ObjectTypeConverter that converts a fixed number of database data value(s) to Java object value(s) during the reading and writing of a mapped attribute An ObjectTypeConverter must be be uniquely identified by name and can be defined at the class, field and property level and can be specified within an Entity, MappedSuperclass and Embeddable class. The usage of an ObjectTypeConverter is specified via the Convert annotation and is supported on a Basic, or ElementCollection mapping.- Since:
- Oracle TopLink 11.1.1.0.0
- Author:
- Guy Pelletier
- See Also:
Convert
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Required Element Summary
Required Elements Modifier and Type Required Element Description ConversionValue[]
conversionValues
(Required) Specify the conversion values to be used with the object converter.String
name
(Required) Name this converter.
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Optional Element Summary
Optional Elements Modifier and Type Optional Element Description Class
dataType
(Optional) Specify the type stored on the database.String
defaultObjectValue
(Optional) Specify a default object value.Class
objectType
(Optional) Specify the type stored on the entity.
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Element Detail
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name
String name
(Required) Name this converter. The name should be unique across the whole persistence unit.
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conversionValues
ConversionValue[] conversionValues
(Required) Specify the conversion values to be used with the object converter.
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dataType
Class dataType
(Optional) Specify the type stored on the database. The default is inferred from the type of the persistence field or property.- Default:
- void.class
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objectType
Class objectType
(Optional) Specify the type stored on the entity. The default is inferred from the type of the persistent field or property.- Default:
- void.class
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defaultObjectValue
String defaultObjectValue
(Optional) Specify a default object value. Used for legacy data if the data value is missing.- Default:
- ""
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