Categorize using spark sql
This can be done in SQL as below
SELECT Org, SUM(CASE WHEN class='class1' THEN 1 ELSE O END) As Class1Count, SUM(CASE WHEN class='class2' THEN 1 ELSE O END) As Class2Count, SUM(CASE WHEN class='class3' THEN 1 ELSE O END) As Class3Count, SUM(CASE WHEN class='class4' THEN 1 ELSE O END) As Class4CountFROM tableNameGROUP By Org