import uml;
extension templates::helper;


uml::Model root(uml::Model model):

	let classlist = model.eAllContents.typeSelect(Class).collect(e|e) :
	let operationlist = newList() :

	classlist.first().ownedOperation.forAll(o|collectOperations(o, classlist, operationlist)) ->
	operationlist.forAll(o|renameOperation((String)o, classlist)) ->
	model;
	

Boolean collectOperations(Operation o, List classlist, List operationlist) :
	classlist.forAll(c|((Class)c).ownedOperation.exists(op|op.name == "op1"))
		? (// operation found in all classes
			// put method in list
			operationlist.add(o.name) ->
			dump("Added operation '"+o.name+"' to list")
		)
		: (
			dump("Operation '"+o.name+"' exists not in all classes of list")
		) ->
	true;

// The problem with this renameOperation that xtend does not allow me use classList for owned  Operation, How can I handle this

Boolean renameOperation(String o, List classlist) :
	classList.ownedOperation.setName("myNewOperation")->
	true;

classlist != classList