Criteria criteria = s.createCriteria(User.class);
criteria.add(
expression.sql(“userName = ? collate Latin1_General_CS_AS_KS_WS”, userName, new StringType())
);

Criteria criteria = s.createCriteria(User.class);
criteria.add(
expression.sql(“userName = ? collate Latin1_General_CS_AS_KS_WS”, userName, new StringType())
);