Module: Java::OrgEclipseEmfEcore::EObject::NavigationMethods

Included in:
Java::OrgEclipseEmfEcore::EObject, Java::OrgEclipseEmfEcoreImpl::BasicEObjectImpl, Java::OrgEclipseEmfEcoreResourceImpl::ResourceImpl
Defined in:
lib/emf/emf_nav.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.only_of_class(collection, eclass) ⇒ Object 



46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/emf/emf_nav.rb', line 46

def self.only_of_class(collection,eclass)
  selected = collection.select {|o| o.eClass.isSuperTypeOf eclass}
  case selected.count
  when 0
    raise EMF::LessThanExpectedFound.new
  when 1
    return selected.first
  else
    raise EMF::MoreThanExpectedFound.new
  end
end

Instance Method Details

#children ⇒ Object 



11
12
13
14
15
16
17
18
19
20
 
# File 'lib/emf/emf_nav.rb', line 11

def children
  method = nil
  method = :eContents if respond_to?(:eContents)
  method = :old_contents if respond_to?(:old_contents) 
  method = :getContents if respond_to?(:getContents)
  raise "No method for getting contents, class: #{self.class}" unless method!=nil
  res = (send method)
  obj = self
  res
end

#children_deep ⇒ Object 



22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
# File 'lib/emf/emf_nav.rb', line 22

def children_deep
  l = []
  children.each do |c|
    l << c
    begin
      grand_children = c.children_deep
    rescue Exception => e
      raise "Problem getting children of #{c} (#{c.class}): #{e}"
    end
    grand_children.each do |sc|
      l << sc
    end
  end   
  l
end

#only_child_deep_of_eclass(eclass) ⇒ Object 



42
43
44
 
# File 'lib/emf/emf_nav.rb', line 42

def only_child_deep_of_eclass(eclass)
  Java::OrgEclipseEmfEcore::EObject::NavigationMethods.only_of_class(children_deep,eclass)
end

#only_child_of_eclass(eclass) ⇒ Object 



38
39
40
 
# File 'lib/emf/emf_nav.rb', line 38

def only_child_of_eclass(eclass)
  Java::OrgEclipseEmfEcore::EObject::NavigationMethods.only_of_class(children,eclass)
end