One-to-One Mapping - General
Use to create a one-to-one relational mapping for a Java attribute.
- Reference Descriptor
- Choose the descriptor to map to the attribute. You can select only interface descriptors.
- Read Only
- Specify if this mapping is "read only." See "Specifying Read Only Settings" for more information.
- Use Method Accessing
- Specify if this mapping uses specific get and set methods. See "Specifying Direct Access and Method Access" for more information.
- Maintain Bidirectional Relationship
- Choose the descriptor to map to the attribute. See "Maintaining Bidirectional Relationships" for more information.
- Private Owned
- Specify if this mapping is privately owned. Destroying the source object will also destroy the target object.See "Specifying Private or Independent Relationships" for more information.
- Use Batch Reading
- Specify if TopLInk uses batch reading for relational mappings. See "Optimizing for Queries" for more information.
Note: Use this option only if you are sure that the related objects are always required with the source object.
- Use Indirection
- Specify if this mapping uses indirection. See "Working with Indirection" for more information.
- Use Joining
- Specify if TopLink joins related classes tables to read all the data in a single query. See "Optimizing for Queries" for more information.
Related Topics
Working with One-to-One Mappings
One-to-One Mapping - Table Reference
Specifying Read Only Settings
Specifying Direct Access and Method Access
Defaulting Null Values
Maintaining Bidirectional Relationships
Copyright © 1997, 2004, Oracle.
All rights reserved.