gistfile1.groovy

//Foo
class Foo {
	String name
	static hasMany = [bar:Bar]
	void addSomeBars() {
		(1..10).each { i ->
			def bar = new Bar()
			bar.name = "bar nr: ${i}"
			println "Adding bar nr: ${i}"
			addToBar(bar)
		}
	}
}

//Bar
class Bar {
	String name
	static belongsTo = [foo:Foo]
}

//Bootstrap code
println Bar.list().size()
def foo = new Foo()
foo.name = "I am the FOO"
foo.addSomeBars()
foo.save()
println Bar.list().size()

//output
0
Adding bar nr: 1
Adding bar nr: 2
Adding bar nr: 3
Adding bar nr: 4
Adding bar nr: 5
Adding bar nr: 6
Adding bar nr: 7
Adding bar nr: 8
Adding bar nr: 9
Adding bar nr: 10
10