docs: public SessionInfo getLockSessionInfo(Task objSession, String strUserName)
      {
          if (objSession == null)
          {
              Utility.getLogger().warning("null session");
              return new SessionInfo(0, strUserName);     // 
          }
          SessionInfo intSession = (SessionInfo)m_hmLockSessions.get(objSession);
          if (intSession == null)
              m_hmLockSessions.put(objSession, intSession = new SessionInfo(m_iNextLockSession++, strUserName));
          return intSession;
      }