SolrClient::rollback
  Rollbacks all add/deletes made to the index since the last commit
  
 
  Description
  
   public SolrUpdateResponse SolrClient::rollback()
  
  
 
  Parameters
  This function has no parameters.
  
 
  Return Values
  
   Returns a SolrUpdateResponse on success or throws a SolrClientException on failure.
  
  
 
 
  See Also
  
   
    -  SolrClient::commit
-  SolrClient::optimize