Configuring_a_Relational_One-to-One_Mapping_(ELUG).adoc

TOC Special:Whatlinkshere_One-to-One_Mapping_(ELUG)[Related Topics]

For information on how to create EclipseLink mappings, see Creating a Mapping.

This table lists the configurable options for a relational one-to-one mapping.

[Table 36-1]#

Option to Configure	Workbench	Java
Reference descriptor
Method or direct field access
Read-only mapping
Private or Independent relationships
Batch reading
Joining
Indirection (lazy loading)
Bidirectional relationship
Mapping comments
Table and field references

This example shows how to create a one-to-one mapping and add it to a descriptor using Java code.

[Example 38-1]# One-to-One Mapping

public void customize(ClassDescriptor descriptor) {
    OneToOneMapping mapping = new OneToOneMapping();

    // configure mapping
    ...

    // add mapping to descriptor
    descriptor.addMapping(mapping);
}

For more information, see the following:

• One-to-One Mapping

• Configuring a Relational Mapping

• Configuring a Mapping.

For information on using JPA to configure one-to-one mappings, see @OneToOne.

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