Understanding the Mapping API

All the mapping classes are derived from the DatabaseMapping class.

Table 33-5 Platform and Mapping Package Compatibility

Platform	Mapping Package
DatabasePlatform For relational projects	oracle.toplink.mappings oracle.toplink.xdb oracle.toplink.objectrelational
EISPlatform For EIS projects	oracle.toplink.eis oracle.toplink.mappings.TransformationMapping
XMLPlatform For XML projects	oracle.toplink.ox oracle.toplink.mappings.TransformationMapping