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oracle.toplink.descriptors
Class AllFieldsLockingPolicy
java.lang.Object
oracle.toplink.descriptors.FieldsLockingPolicy
oracle.toplink.descriptors.AllFieldsLockingPolicy
- All Implemented Interfaces:
- java.io.Serializable, java.lang.Cloneable, oracle.toplink.internal.descriptors.OptimisticLockingPolicy
-
public class AllFieldsLockingPolicy
- extends FieldsLockingPolicy
Purpose: An implementation of the OptimisticLockingPolicy interface. This policy compares every field in the table in the WHERE clause when doing an update or a delete. If any field has been changed, an optimistic locking exception will be thrown.
NOTE: This policy can only be used inside a unit of work.
- Since:
- TopLink 2.1
- See Also:
- Serialized Form
Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
AllFieldsLockingPolicy
public AllFieldsLockingPolicy()
- Create a new all fields locking policy. A field locking policy is based on locking on all fields by comparing with their previous values to detect field-level collisions. Note: the unit of work must be used for all updates when using field locking.
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