コード例 #1
0
  public List<ClientEventEntry> findLogEvents(
      List<SearchConstraint> constraints, List<String> orderBy, int offset, int limit, Connection c)
      throws SQLException {
    StringBuffer sql =
        new StringBuffer(
            "select e.event_id, e.customer_id, e.user_id, e.event_time, e.description, e.has_log_file from dat_client_log_events e ");
    appendWhere(sql, constraints, s_propToColumnMap);
    appendOrderBy(sql, orderBy, "e.event_id desc", s_propToColumnMap);
    appendLimits(sql, offset, limit);

    Statement stmt = null;
    ResultSet rs = null;
    try {
      stmt = c.createStatement();
      rs = stmt.executeQuery(sql.toString());
      List<ClientEventEntry> results = new ArrayList<ClientEventEntry>();
      while (rs.next()) {
        ClientEventEntry entry =
            new ClientEventEntry(
                rs.getInt(1),
                rs.getInt(2),
                rs.getInt(3),
                resolveDate(rs.getTimestamp(4)),
                rs.getString(5),
                rs.getInt(6) != 0);
        results.add(entry);
      }
      return results;
    } finally {
      DbUtils.safeClose(rs);
      DbUtils.safeClose(stmt);
    }
  }
コード例 #2
0
ファイル: CustomerDAOTest.java プロジェクト: piyush76/EMS
  @SuppressWarnings("unchecked")
  @Test
  public void testAppendCustomerPrefixConstraint() throws Exception {
    CustomerDAO dao = new CustomerDAO();

    StringBuffer clause = new StringBuffer();

    SearchConstraint sc =
        new SearchConstraint(
            ICustomerService.PROP_CUST_CAPABILITY_PREFIX,
            SearchConstraintOperator.CONSTRAINT_EQUALS,
            "val3");
    dao.appendCustomerPrefixConstraint(sc, clause);
    String expected =
        " c.customer_id in ( select customer_id from dat_customer_capabilities where cap_value = E'val3' and cap_name = E'' ) ";
    assertEquals("Wrong constraint added.", expected, clause.toString());
  }
コード例 #3
0
  public void purgeLogEvents(final List<SearchConstraint> constraints, final int daysToKeep) {
    blockHereIfBadNfs();

    StringBuffer sql =
        new StringBuffer(
            "select u.mail_directory || '/logs/' || e.event_id || '.log' "
                + "from dat_client_log_events e, dat_user_account u "
                + "where event_time < current_timestamp - (? || ' days')::interval "
                + "and e.has_log_file != 0 "
                + "and e.user_id = u.object_id");
    appendWhereConstraints(sql, constraints, s_propToColumnMap);
    m_logCategory.info("Purge event logs query is\n" + sql);

    StringBuffer sql2 =
        new StringBuffer(
            "delete from dat_client_log_events "
                + "where event_time < current_timestamp - (? || ' days')::interval");
    if (!constraints.isEmpty()) {
      sql2.append(" and event_id in (select e.event_id from dat_client_log_events e ");
      appendWhere(sql2, constraints, s_propToColumnMap);
      sql2.append(")");
    }
    m_logCategory.info("Purge event logs query is\n" + sql2);

    try {
      Connection c = m_txManager.getConnection();
      PreparedStatement stmt = null;
      ResultSet rs = null;
      boolean needsRollback = true;
      try {
        stmt = c.prepareStatement(sql.toString());
        stmt.setInt(1, daysToKeep);
        rs = stmt.executeQuery();
        while (rs.next()) {
          File logFile = new File(getNfsRoot(), rs.getString(1));
          // nfs usage, but DB transaction takes no locks.
          if (logFile.exists()) {
            boolean ok = logFile.delete();
            if (!ok) {
              m_logger
                  .log("Unable to delete")
                  .param(LoggingConsts.FILENAME, logFile.getAbsolutePath())
                  .warn();
            }
          } // file exists.
        } // each row

        // Below, no nfs usage occurs.  We can use the same connection.
        // the 'sql delete' may use DB locks.
        stmt = c.prepareStatement(sql2.toString());
        stmt.setInt(1, daysToKeep);
        stmt.executeUpdate();
        c.commit();
        needsRollback = false;
      } finally {
        DbUtils.safeClose(rs);
        DbUtils.safeClose(stmt);
        if (needsRollback) {
          c.rollback();
        }
        m_txManager.returnConnection(c);
      }
    } catch (Exception ex) {
      m_logger.log("Error in purgeLogEvents").warn(ex);
    }
  }