コード例 #1
0
  /** Writes user state information to the shared filesystem */
  private void updateStateCache(
      final Customer customer,
      final int transitionId,
      final CustomerState newState,
      Latch dbLatch) {
    try {
      dbLatch.acquire();
    } catch (InterruptedException e) {
      m_logCategory.fatal(
          "Unable to acquire database latch to write state info for customer "
              + customer.getCustID()
              + " and transition "
              + transitionId,
          e);
      return;
    }

    blockHereIfBadNfs();
    executeWithConnection(
        new ConnectionExecuteFunction<Object>() {
          public Object execute(Connection c) throws SQLException {
            // below does read-only DB and nfs.
            // It iterates multiple users and returning a list here could be
            // detrimental to scalability.
            updateStateCache(customer, transitionId, newState, c);
            return null;
          }
        });
  }
コード例 #2
0
  /** Writes user state information to the shared filesystem */
  private void updateStateCache(
      Customer customer, int transitionId, CustomerState newState, Connection c)
      throws SQLException {
    PreparedStatement pst = null;
    ResultSet rs = null;

    try {
      pst =
          c.prepareStatement(
              "SELECT u.secure_hash_key, u.object_id, u.user_state, u.is_deleted, u.last_activation_id "
                  + "FROM dat_user_account u, dat_transition_users tr "
                  + "WHERE u.object_id = tr.user_id AND u.customer_id=? "
                  + "AND tr.transition_id=?;");

      // The state files are used by Outlook, BB, and maybe future clients.
      pst.setInt(1, customer.getCustID());
      pst.setInt(2, transitionId);
      rs = pst.executeQuery();
      while (rs.next()) {
        int i = 0;
        byte[] key = rs.getBytes(++i);
        int userId = rs.getInt(++i);
        CustomerState state = CustomerState.fromInt(rs.getInt(++i));
        int isDeletedInt = rs.getInt(++i);
        int lastActivationId = rs.getInt(++i);

        // If the user is marked deleted but has a key, we'll try cleaning
        // up state files.
        boolean isDeleted = isDeletedInt != IUserManager.USER_NOT_DELETED;
        if (key == null || key.length == 0) {
          LogMessageGen lmg = new LogMessageGen();
          lmg.setSubject("dat_user_account.secure_hash_key not set");
          lmg.param(LoggingConsts.USER_ID, userId);
          m_logCategory.info(lmg.toString());

          // Without a key, we can't determine the signal filenames
          // so no cleanup is possible.
          continue;
        }

        ClientHashSupport hash = null;
        hash = new ClientHashSupport();
        hash.setCustomerId(customer.getCustID());
        hash.setUserId(userId);
        hash.setHashKey(key);
        hash.setLastActivationId(lastActivationId);

        if (m_logCategory.isInfoEnabled()) {
          LogMessageGen lmg = new LogMessageGen();
          lmg.setSubject("Updating signal files");
          lmg.param(LoggingConsts.USER_ID, userId);
          m_logCategory.info(lmg.toString());
        }
        // wrt EMSDEV-7854 nfs calls and database transactions.
        // Above is only doing a select; no locks are taken and this
        // method is private.
        updateSignalFiles(hash, state, isDeleted);
      } // each row.
    } finally {
      DbUtils.safeClose(rs);
      DbUtils.safeClose(pst);
    }
  }