org.eclipse.persistence.annotations

Annotation Type OptimisticLocking

@Target(value=TYPE)
 @Retention(value=RUNTIME)
public @interface OptimisticLocking

The OptimisticLocking annotation is used to specify the type of optimistic locking TopLink should use when updating or deleting entities. An optimistic-locking specification is supported on an Entity or MappedSuperclass annotation.

See Also:

OptimisticLockingType

Author:

Guy Pelletier

Since:

Oracle TopLink 11.1.1.0.0

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element and Description
boolean	cascade (Optional) Specify where the optimistic locking policy should cascade lock.
Column[]	selectedColumns (Optional) For an optimistic locking policy of type SELECTED_COLUMNS, this annotation member becomes a (Required) field.
OptimisticLockingType	type (Optional) The type of optimistic locking policy to use.

Element Detail

type

public abstract OptimisticLockingType type

(Optional) The type of optimistic locking policy to use.

Default:

org.eclipse.persistence.annotations.OptimisticLockingType.VERSION_COLUMN

selectedColumns

public abstract Column[] selectedColumns

(Optional) For an optimistic locking policy of type SELECTED_COLUMNS, this annotation member becomes a (Required) field.

Default:

{}

cascade

public abstract boolean cascade

(Optional) Specify where the optimistic locking policy should cascade lock. Currently only supported with VERSION_COLUMN locking.

Default:

false