BrokerRunner.java 文件源码

private void reopenLogs(int counter)
{
  Logger root = Logger.getRootLogger();
  @SuppressWarnings("unchecked")
  Enumeration<Appender> rootAppenders = root.getAllAppenders();
  FileAppender logOutput = (FileAppender) rootAppenders.nextElement();
  // assume there's only the one, and that it's a file appender
  logOutput.setFile("log/broker" + counter + ".trace");
  logOutput.activateOptions();

  Logger state = Logger.getLogger("State");
  @SuppressWarnings("unchecked")
  Enumeration<Appender> stateAppenders = state.getAllAppenders();
  FileAppender stateOutput = (FileAppender) stateAppenders.nextElement();
  // assume there's only the one, and that it's a file appender
  stateOutput.setFile("log/broker" + counter + ".state");
  stateOutput.activateOptions();
}