Grails mapping sort on multiple fields :: Groovy sort on multiple map entries

Question

Stumped on this one. In Grails it seems one cannot define a default sort on multiple columns in domain mapping a la static mapping = { sort \'prop1 desc, prop2 asc\' }, or

Answer 1

Here is a Groovy solution. Still essentially implementing a Comparator though.

list.sort { map1, map2 -> map1.rowNum <=> map2.rowNum ?: map1.position <=> map2.position }