public override void Close()
{
if (HasChanges())
{
_nodeRecords.close();
_propertyRecords.close();
_relRecords.close();
_schemaRuleChanges.close();
_relGroupRecords.close();
_propertyKeyTokenChanges.close();
_labelTokenChanges.close();
_relationshipTypeTokenChanges.close();
_changeCounter.clear();
}
}