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X - the type of the entity attributeY - the type of the database columnpublic interface AttributeConverter<X,Y>
A class that implements this interface can be used to convert entity attribute state into database column representation and back again. Note that the X and Y types may be the same Java type.
| Method Summary | |
|---|---|
Y |
convertToDatabaseColumn(X attribute)
Converts the value stored in the entity attribute into the data representation to be stored in the database. |
X |
convertToEntityAttribute(Y dbData)
Converts the data stored in the database column into the value to be stored in the entity attribute. |
| Method Detail |
|---|
Y convertToDatabaseColumn(X attribute)
attribute - the entity attribute value to be converted
X convertToEntityAttribute(Y dbData)
dbData type for the corresponding
column for use by the JDBC driver: i.e., persistence providers are
not expected to do such type conversion.
dbData - the data from the database column to be
converted
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