Package org.datanucleus.api.jpa.annotations

Annotation Type Extension

@Target({TYPE,FIELD,METHOD})
@Retention(RUNTIME)
@Repeatable(Extensions.class)
public @interface Extension

DataNucleus Extension to JPA.

Required Element Summary

Required Elements

Modifier and Type	Required Element	Description
String	key	The key for the extension.
String	value	The value for the extension.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element	Description
String	vendorName	Vendor that the extension applies to.

Element Detail

key

String key

The key for the extension.

Returns:

The extension key

value

String value

The value for the extension.

Returns:

Value for the extension

vendorName

String vendorName

Vendor that the extension applies to. Provided for compatibility with JDO.

Returns:

The name of the vendor (DataNucleus).

Default:

"datanucleus"