code: private static void initLogger(SourceState state) {
      StringBuilder sb = new StringBuilder();
      sb.append("[");
      sb.append(StringUtils.stripToEmpty(state.getProp(ConfigurationKeys.SOURCE_QUERYBASED_SCHEMA)));
      sb.append("_");
      sb.append(StringUtils.stripToEmpty(state.getProp(ConfigurationKeys.SOURCE_ENTITY)));
      sb.append("]");
      MDC.put("sourceInfo", sb.toString());
    }
docs: Initialize the logger.
  
  @param state
  Source state