GRAILS: Find all children in a self-referenced one-to-many relationship

Question

In grails,

How would one find all the children in a one-to-many relationship e.g.,

class Employee {
    static hasMany = [ subordinates: Employee ]
          


        

Answer 1

 //Make a recursive closure
 def printAll

 printAll = { emp ->
    subordinates.each { 
                        println it
                        printAll emp
                      }
 }