question: @ Override public void finish ( ) throws CleartkProcessingException { allFalseWriter . close ( ) ; allFalseFile . delete ( ) ; for ( PrintWriter pw : trainingDataWriters . values ( ) ) { pw . flush ( ) ; pw . close ( ) ; } super . finish ( ) ; }
target:  Callback called after the last feature vector has been written. Flushes the various streams and deletes the all false file.