question: private static Properties loadProperties ( ) { Properties properties = new Properties ( ) ; File file = new File ( "DataPartitioner.properties" ) ; FileInputStream fis = null ; try { if ( file . exists ( ) ) { fis = new FileInputStream ( file ) ; properties . load ( fis ) ; } } catch ( Exception e ) { LOGGER . error ( e , e . getMessage ( ) ) ; } finally { if ( null != fis ) { try { fis . close ( ) ; } catch ( IOException e ) { LOGGER . error ( e , e . getMessage ( ) ) ; } } } return properties ; }
target:  Read the properties from CSVFilePartitioner.properties