How to use

setDescriptor

method

in

org.eclipse.persistence.internal.descriptors.OptimisticLockingPolicy

/**
 * PUBLIC:
 * Set the OptimisticLockingPolicy.
 * This can be one of the provided locking policies or a user defined policy.
 * @see VersionLockingPolicy
 * @see TimestampLockingPolicy
 * @see FieldsLockingPolicy
 */
public void setOptimisticLockingPolicy(OptimisticLockingPolicy optimisticLockingPolicy) {
  this.optimisticLockingPolicy = optimisticLockingPolicy;
  if (optimisticLockingPolicy != null) {
    optimisticLockingPolicy.setDescriptor(this);
  }
}

/**
 * PUBLIC:
 * Set the OptimisticLockingPolicy.
 * This can be one of the provided locking policies or a user defined policy.
 * @see VersionLockingPolicy
 * @see TimestampLockingPolicy
 * @see FieldsLockingPolicy
 */
public void setOptimisticLockingPolicy(OptimisticLockingPolicy optimisticLockingPolicy) {
  this.optimisticLockingPolicy = optimisticLockingPolicy;
  if (optimisticLockingPolicy != null) {
    optimisticLockingPolicy.setDescriptor(this);
  }
}

/**
 * PUBLIC:
 * Set the OptimisticLockingPolicy.
 * This can be one of the provided locking policies or a user defined policy.
 * @see VersionLockingPolicy
 * @see TimestampLockingPolicy
 * @see FieldsLockingPolicy
 */
public void setOptimisticLockingPolicy(OptimisticLockingPolicy optimisticLockingPolicy) {
  this.optimisticLockingPolicy = optimisticLockingPolicy;
  if (optimisticLockingPolicy != null) {
    optimisticLockingPolicy.setDescriptor(this);
  }
}

/**
 * INTERNAL:
 * Potentially override the optimistic locking behavior
 */
protected void initializeOptimisticLocking(){
  // CR#3214106, do not override if specified in subclass.
  if (!getDescriptor().usesOptimisticLocking() && getParentDescriptor().usesOptimisticLocking()) {
    getDescriptor().setOptimisticLockingPolicy((OptimisticLockingPolicy)getParentDescriptor().getOptimisticLockingPolicy().clone());
    getDescriptor().getOptimisticLockingPolicy().setDescriptor(getDescriptor());
  }
}

/**
 * INTERNAL:
 * Potentially override the optimistic locking behavior
 */
protected void initializeOptimisticLocking(){
  // CR#3214106, do not override if specified in subclass.
  if (!getDescriptor().usesOptimisticLocking() && getParentDescriptor().usesOptimisticLocking()) {
    getDescriptor().setOptimisticLockingPolicy((OptimisticLockingPolicy)getParentDescriptor().getOptimisticLockingPolicy().clone());
    getDescriptor().getOptimisticLockingPolicy().setDescriptor(getDescriptor());
  }
}
 

/**
 * INTERNAL:
 * Potentially override the optimistic locking behavior
 */
protected void initializeOptimisticLocking(){
  // CR#3214106, do not override if specified in subclass.
  if (!getDescriptor().usesOptimisticLocking() && getParentDescriptor().usesOptimisticLocking()) {
    getDescriptor().setOptimisticLockingPolicy((OptimisticLockingPolicy)getParentDescriptor().getOptimisticLockingPolicy().clone());
    getDescriptor().getOptimisticLockingPolicy().setDescriptor(getDescriptor());
  }
}