5.4.3.2. DbTypeConverter
The interface containing methods for conversion between data model attribute values and parameters/results of JDBC queries. An object of this interface can be obtained through the Persistence.getDbTypeConverter() method.
The DbTypeConverter
interface has the following methods:
-
getJavaObject()
– converts the result of the JDBC query into a type suitable for assigning to entity attribute. -
getSqlObject()
– converts the value of the entity attribute into a type suitable for assigning to the JDBC query parameter. -
getSqlType()
– returns ajava.sql.Types
constant that corresponds to the passed entity attribute type.