code: void setUserInfo() {
          String smcDBID = _smc.getSessionDBID();
          if (smcDBID != null && smcDBID.indexOf("::") != -1) {
              try {
                  dbid = smcDBID.substring(0, smcDBID.indexOf("::"));
                  collectionName = smcDBID.substring(smcDBID.indexOf("::") + 2);
                  if (collectionName.indexOf("$V") > 0) {
                      collectionName = collectionName.substring(0, collectionName.indexOf("$V") - 1);
                      String dbConnectVersionName = smcDBID.substring(smcDBID.indexOf("$V") + 2);
                      dbConnectVersion = (int) (new Double(dbConnectVersionName)).doubleValue();
                  }
              } catch (Exception e) {
                  com.ibm.ws.ffdc.FFDCFilter.processException(e, "com.ibm.ws.session.store.db.DatabaseHashMap.setUserInfo", "241", this);
                  LoggingUtil.SESSION_LOGGER_WAS.logp(Level.SEVERE, methodClassName, methodNames[SET_USER_INFO], "CommonMessage.exception", e);
              }
          } else
              dbid = smcDBID;
  
          dbpwd = _smc.getSessionDBPWD();
      }
docs: /*
  stores userid/passwd information