code: protected void putLong(long data)
      {
          if (tc.isEntryEnabled()) Tr.entry(tc, "putLong", new Object[] { this, new Long(data)});
  
          if (tc.isDebugEnabled()) Tr.debug(tc, "Writing at position " + _buffer.position());
          _buffer.putLong(data);
  
          if (tc.isEntryEnabled()) Tr.exit(tc, "putLong");
      }
docs: Setter method used to write a long to the mapped byte buffer at the current
  byte cursor position. The byte cursor is advanced by the size of a long.
  
  @param data The long value to be written.