How to use

clearDirty

method

in

org.datanucleus.ObjectManager

/**
 * Clear the persistence context, causing all managed entities to become detached. 
 * Changes made to entities that have not been flushed to the database will not be persisted.
 */
public void clear()
{
  assertIsOpen();
  om.detachAll();
  om.clearDirty();
  om.evictAllObjects();
}

/**
 * Clear the persistence context, causing all managed entities to become detached. 
 * Changes made to entities that have not been flushed to the database will not be persisted.
 */
public void clear()
{
  assertIsOpen();
  om.detachAll();
  om.clearDirty();
  om.evictAllObjects();
}

if (sm != null) {
  if (sm instanceof ForceJPAStateManagerImpl) {
    om.clearDirty(sm);
    om.removeStateManager(sm);
    pc.jdoReplaceStateManager(null);

if (sm != null) {
  if (sm instanceof ForceJPAStateManagerImpl) {
    om.clearDirty(sm);
    om.removeStateManager(sm);
    pc.jdoReplaceStateManager(null);