Package net.openhft.chronicle

Examples of net.openhft.chronicle.Chronicle


      String outputAppender = cl.getOptionValue("output", "console");
      appender = loggerContext.getLogger(Logger.ROOT_LOGGER_NAME).getAppender(outputAppender);
    }

    ChronicleTools.warmup();
    Chronicle chronicle = new IndexedChronicle(cl.getOptionValue("path"), ChronicleConfig.DEFAULT);
    ExcerptTailer ex = chronicle.createTailer();

    Level level = Level.valueOf(cl.getOptionValue("level", "TRACE"));

    if (cl.hasOption("head")) {
      int lines = Integer.parseInt(cl.getOptionValue("head", "10"));
      for (int i = 0; i < lines; i++) {
        LoggingEvent evt = readLoggingEvent(ex, loggerContext);
        if (evt.getLevel().isGreaterOrEqual(level)) {
          writeEvent(evt, appender);
        }
      }
    } else if (cl.hasOption("tail")) {
      int lines = Integer.parseInt(cl.getOptionValue("tail", "10"));
      Queue<LoggingEvent> tail = new LinkedBlockingQueue<LoggingEvent>(lines);
      while (ex.nextIndex()) {
        LoggingEvent evt = readLoggingEvent(ex, loggerContext);
        if (!tail.offer(evt)) {
          tail.poll();
          tail.add(evt);
        }
      }
      LoggingEvent evt;
      while (null != (evt = tail.poll())) {
        if (evt.getLevel().isGreaterOrEqual(level)) {
          writeEvent(evt, appender);
        }
      }
    } else if (cl.hasOption("search")) {
      String regex = cl.getOptionValue("search");
      Pattern regexPatt = Pattern.compile(regex);
      while (ex.nextIndex()) {
        LoggingEvent evt = readLoggingEvent(ex, loggerContext);
        if (null != evt && evt.getLevel().isGreaterOrEqual(level)) {
          if (regexPatt.matcher(evt.getFormattedMessage()).matches()) {
            writeEvent(evt, appender);
          }
        }
      }
    }

    loggerContext.stop();
    chronicle.close();
  }
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