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grails

Sort a collection in grails by date

I am wanting to sort a collection in grails by date I am currently doing the following:

def pics = Picture.findAllByChild(child, [sort: 'dateCreated', order: 'desc'])
pics.add(Post.findAllByPostedToAll(true))

Because I have added more items to the list i need to sort again by dateCreated descending It doesn't look like the sort class can do this. I have tried:

pics.sort(it.dateCreated)

But this is not allowed

Solution

  • the sort method takes a closure argument, so the correct call (with implicit parens) is

    pics.sort { it.dateCreated }