code: protected void logEntityModification(EntityIdValue entityId,
  			String numberLabel, ArrayList<String> languages) {
  		modifiedEntities++;
  
  		System.out.println(entityId.getId() + ": adding label " + numberLabel
  				+ " for languages " + languages.toString() + " ("
  				+ modifiedEntities + " entities modified so far)");
  
  		this.logfile.println(entityId.getId() + "," + numberLabel + ",\""
  				+ languages.toString() + "\"");
  
  		if (modifiedEntities % 10 == 0) {
  			this.logfile.flush();
  		}
  	}
docs: Logs information about entities changed so far.
  
  @param entityId
  the id of the modified item
  @param numberLabel
  the label written
  @param languages
  the list of languages for which the label was set