Пример #1
0
  private static String getOrCreateSession(int connectorId) {
    String sessionId = getConnectorSession(connectorId);
    if (null != sessionId) {
      return sessionId; // we're using the key to the session table rec as the session ID
    }

    String sql =
        "insert into "
            + TABLE_SESSION
            + "("
            + "SESSION_PKEY,"
            + COL_DATE_CREATE
            + ",CONNECTOR_KEY,"
            + COL_DATE_EXPIRE
            + ") values (?,?,?,?)";

    sessionId = Util.getGuid();
    Timestamp now = new Timestamp(Gmt.getGmtDate().getTime());
    ResourceFactory rf = Context.rf.get();
    Sql.sqlExe(
        sql,
        new Object[] {sessionId, now, connectorId, getExpireDt(now)},
        new int[] {Types.VARCHAR, Types.TIMESTAMP, Types.INTEGER, Types.TIMESTAMP},
        rf);

    System.out.println(new Date() + ": Created new connector session --  " + sessionId);
    return sessionId; // we're using the key to the session table rec as the session ID
  }
Пример #2
0
  /**
   * We're here because for some reason, we can't write to the logging database. So instead, we're
   * just going to write directly to a file. The filename will be the name of the service + ".log"
   * and in the current directory.
   *
   * @param level int severity level
   * @param serviceName String name of the service making the call
   * @param methodClass String class of the caller
   * @param method String method name of the caller
   * @param message String message to be logged
   */
  private static synchronized void handleNonLoggableError(
      LogLevel level, String serviceName, Class methodClass, String method, String message) {
    final String DATE_FORMAT = "yyyy/MM/dd HH:mm:ss.SSS";

    FileOutputStream stream = null;
    try {
      String logFilename = getLogFilename(serviceName);
      StringBuffer buf = new StringBuffer();

      buf.append(new SimpleDateFormat(DATE_FORMAT).format(Gmt.getGmtTimestamp()));
      buf.append(" ");
      buf.append(level);
      if (methodClass != null) {
        buf.append(" ");
        String className = methodClass.getName();
        int idx = className.lastIndexOf('.');

        buf.append(idx == -1 ? className : className.substring(idx + 1));
        buf.append(".");
        buf.append(method);
      }

      buf.append(" ");
      buf.append(message);
      buf.append(System.getProperty("line.separator"));

      stream = new FileOutputStream(logFilename, true);

      // Because this is a synchronized method, and no other app instance should be writing to this
      // file, we
      // should have excluse access to the file. So we don't need any file locking.
      String msg = buf.toString();
      stream.write(msg.getBytes());
      //noinspection UseOfSystemOutOrSystemErr
      System.out.println(msg); // this is the fallback for when the 'more-robust-logging' fails
    } catch (Exception e) {
      // Give up on doing anything with an exception here. There's simply nothing more we can do
      // to attempt to log something.
    } finally {
      if (stream != null) {
        //noinspection EmptyCatchBlock
        try {
          stream.close();
        } catch (Throwable t) {
        }
      }
    }
  }
Пример #3
0
  private static String getConnectorSession(int conKey) {
    final String sql =
        "select SESSION_PKEY,"
            + COL_DATE_EXPIRE
            + " from "
            + TABLE_SESSION
            + " with(nolock) where CONNECTOR_KEY=?";

    Date now = Gmt.getGmtDate();
    ResourceFactory rf = Context.rf.get();
    ResultSet rs = Sql.sqlQuery(sql, new Object[] {conKey}, new int[] {Types.INTEGER}, rf);
    try {
      while (rs.next()) {
        String sessionId = rs.getString(1);
        Date expireDate = rs.getTimestamp(2);
        if (expireDate.getTime() >= now.getTime()) {
          System.out.println(new Date() + ": Extending existing session --  " + conKey);
          final Date expireDt = getExpireDt(now);
          Sql.sqlExe(
              "update " + TABLE_SESSION + " set " + COL_DATE_EXPIRE + "=? where CONNECTOR_KEY=?",
              new Object[] {expireDt, conKey},
              new int[] {Types.TIMESTAMP, Types.INTEGER},
              rf);

          return sessionId;
        } else {
          System.out.println(new Date() + ": Removing expired session --  " + sessionId);
          Sql.sqlExe(
              "delete " + TABLE_SESSION + " where SESSION_PKEY=?",
              new Object[] {sessionId},
              new int[] {Types.VARCHAR},
              rf);
        }
      }
    } catch (RuntimeException rte) {
      throw rte;
    } catch (Throwable t) {
      throw new IllegalStateException(t);
    } finally {
      Sql.closeAll(rs);
    }

    return null;
  }
Пример #4
0
  private static Map<String, Object> findSession(String sessionId, ResourceFactory rf) {
    String sql =
        "select CONNECTOR_KEY,"
            + COL_DATE_EXPIRE
            + " from "
            + TABLE_SESSION
            + " with(nolock) where SESSION_PKEY=?";

    ResultSet rs = Sql.sqlQuery(sql, new Object[] {sessionId}, new int[] {Types.VARCHAR}, rf);
    try {
      if (rs.next()) {
        Date now = Gmt.getGmtDate();
        Date expireDate = rs.getTimestamp(2);

        if (expireDate.getTime() >= now.getTime()) {
          // we've received a valid transaction; move the session expiration date out
          Date newExpireDate = getExpireDt(now);
          extendSessionExpiration(sessionId, newExpireDate, rf);

          Map<String, Object> ret = new HashMap<String, Object>();
          ret.put(COL_DATE_EXPIRE, newExpireDate);
          ret.put(COL_CONNECTOR_ID, rs.getInt(1));

          return ret;
        }
      }
    } catch (RuntimeException rte) {
      throw rte;
    } catch (Throwable t) {
      throw new IllegalStateException(t);
    } finally {
      Sql.closeAll(rs);
    }

    throw new ReportableException(ReportableException.STALE_TRANSACTION, sessionId);
  }