We now support Cassandra User-defined types. UDTs can be created using CQL generators and used inside of mapped domain classes. User-defined types can be used either raw as UDTValue that is passed through or as mapped object. Mapped UDTs must be annotated with @UserDefinedType. Types are included into schema generation so known and defined UDTs are created before any tables are created. UDTs can be used with set and list collection types and in primary keys. UDTs can also be used in repository query methods as query predicates.
Updating UDTs will update the whole UDT.
@UserDefinedType
public class Address {
String city;
String country;
}
@Table
public class Person {
@Id String id;
Address address;
UDTValue genericUdt;
}
The XML namespace support was extended with new schema versions to support provide a User Type resolver so UDTs can be resolved:
<cassandra:mapping>
<cassandra:user-type-resolver keyspace-name="${cassandra.keyspace}" />
</cassandra:mapping>
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