public ColumnMap<String> acquireLockAndReadRow() throws Exception {
  withDataColumns(true);
  acquire();
  return getDataColumns();
}

public ColumnMap < String > acquireLockAndReadRow ( ) throws Exception { withDataColumns ( true ) ; acquire ( ) ; return getDataColumns ( ) ; }
take the lock and return the row data columns . use this , instead of acquire , when you want to implement a read - modify - write scenario and want to reduce the number of calls to cassandra .
