19 Understanding TopLink Mapping and Configuration

TopLink uses metadata (see "Understanding TopLink Metadata") to describe how objects relate to a data source representation. Your mapping and configuration activities construct this metadata.

After creating the metadata, you can use it in any number of applications by referencing the metadata from a session (see "Understanding TopLink Sessions"). The TopLink runtime uses this metadata in all persistence and data transformation operations.

This chapter includes information on:

• Mapping and Configuration Concepts