How to use

setLockFieldNames

method

in

org.eclipse.persistence.descriptors.SelectedFieldsLockingPolicy

/**
 * PUBLIC:
 * Set the locking policy a selected fields locking policy.
 * A field locking policy is base on locking on the specified 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.
 * @see SelectedFieldsLockingPolicy
 */
public void useSelectedFieldsLocking(Vector fieldNames) {
  SelectedFieldsLockingPolicy policy = new SelectedFieldsLockingPolicy();
  policy.setLockFieldNames(fieldNames);
  setOptimisticLockingPolicy(policy);
}

/**
 * PUBLIC:
 * Set the locking policy a selected fields locking policy.
 * A field locking policy is base on locking on the specified 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.
 * @see SelectedFieldsLockingPolicy
 */
public void useSelectedFieldsLocking(Vector fieldNames) {
  SelectedFieldsLockingPolicy policy = new SelectedFieldsLockingPolicy();
  policy.setLockFieldNames(fieldNames);
  setOptimisticLockingPolicy(policy);
}

/**
 * PUBLIC:
 * Set the locking policy a selected fields locking policy.
 * A field locking policy is base on locking on the specified 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.
 * @see SelectedFieldsLockingPolicy
 */
public void useSelectedFieldsLocking(Vector fieldNames) {
  SelectedFieldsLockingPolicy policy = new SelectedFieldsLockingPolicy();
  policy.setLockFieldNames(fieldNames);
  setOptimisticLockingPolicy(policy);
}