org.datanucleus.api.jpa.annotations

Annotation Type Extension

@Target(value={TYPE,FIELD,METHOD})
 @Retention(value=RUNTIME)
public @interface Extension

DataNucleus Extension to JPA.

Required Element Summary

Required Elements

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

Element Detail

key

public abstract String key

The key for the extension.

Returns:

The extension key

value

public abstract String value

The value for the extension.

Returns:

Value for the extension

vendorName

public abstract String vendorName

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

Returns:

The name of the vendor (DataNucleus).

Default:

"datanucleus"