1------------------------------------------------------------------------------
2--                                                                          --
3--                            Matreshka Project                             --
4--                                                                          --
5--                          Ada Modeling Framework                          --
6--                                                                          --
7--                        Runtime Library Component                         --
8--                                                                          --
9------------------------------------------------------------------------------
10--                                                                          --
11-- Copyright © 2011-2012, Vadim Godunko <vgodunko@gmail.com>                --
12-- All rights reserved.                                                     --
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14-- Redistribution and use in source and binary forms, with or without       --
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25--  * Neither the name of the Vadim Godunko, IE nor the names of its        --
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40--                                                                          --
41------------------------------------------------------------------------------
42--  $Revision: 2937 $ $Date: 2012-05-01 21:07:27 +0400 (Tue, 01 May 2012) $
43------------------------------------------------------------------------------
44with AMF.Internals.UML_Named_Elements;
45with AMF.String_Collections;
46with AMF.UML.Activities;
47with AMF.UML.Activity_Edges.Collections;
48with AMF.UML.Activity_Groups.Collections;
49with AMF.UML.Activity_Nodes.Collections;
50with AMF.UML.Activity_Partitions.Collections;
51with AMF.UML.Classifiers.Collections;
52with AMF.UML.Constraints.Collections;
53with AMF.UML.Dependencies.Collections;
54with AMF.UML.Element_Imports.Collections;
55with AMF.UML.Exception_Handlers.Collections;
56with AMF.UML.Executable_Nodes.Collections;
57with AMF.UML.Input_Pins.Collections;
58with AMF.UML.Interruptible_Activity_Regions.Collections;
59with AMF.UML.Named_Elements.Collections;
60with AMF.UML.Namespaces;
61with AMF.UML.Output_Pins.Collections;
62with AMF.UML.Package_Imports.Collections;
63with AMF.UML.Packageable_Elements.Collections;
64with AMF.UML.Packages.Collections;
65with AMF.UML.Redefinable_Elements.Collections;
66with AMF.UML.Sequence_Nodes;
67with AMF.UML.String_Expressions;
68with AMF.UML.Structured_Activity_Nodes;
69with AMF.UML.Variables.Collections;
70with AMF.Visitors;
71
72package AMF.Internals.UML_Sequence_Nodes is
73
74   type UML_Sequence_Node_Proxy is
75     limited new AMF.Internals.UML_Named_Elements.UML_Named_Element_Proxy
76       and AMF.UML.Sequence_Nodes.UML_Sequence_Node with null record;
77
78   overriding function Get_Executable_Node
79    (Self : not null access constant UML_Sequence_Node_Proxy)
80       return AMF.UML.Executable_Nodes.Collections.Ordered_Set_Of_UML_Executable_Node;
81   --  Getter of SequenceNode::executableNode.
82   --
83   --  An ordered set of executable nodes.
84
85   overriding function Get_Activity
86    (Self : not null access constant UML_Sequence_Node_Proxy)
87       return AMF.UML.Activities.UML_Activity_Access;
88   --  Getter of StructuredActivityNode::activity.
89   --
90   --  Activity immediately containing the node.
91
92   overriding procedure Set_Activity
93    (Self : not null access UML_Sequence_Node_Proxy;
94     To   : AMF.UML.Activities.UML_Activity_Access);
95   --  Setter of StructuredActivityNode::activity.
96   --
97   --  Activity immediately containing the node.
98
99   overriding function Get_Edge
100    (Self : not null access constant UML_Sequence_Node_Proxy)
101       return AMF.UML.Activity_Edges.Collections.Set_Of_UML_Activity_Edge;
102   --  Getter of StructuredActivityNode::edge.
103   --
104   --  Edges immediately contained in the structured node.
105
106   overriding function Get_Must_Isolate
107    (Self : not null access constant UML_Sequence_Node_Proxy)
108       return Boolean;
109   --  Getter of StructuredActivityNode::mustIsolate.
110   --
111   --  If true, then the actions in the node execute in isolation from actions
112   --  outside the node.
113
114   overriding procedure Set_Must_Isolate
115    (Self : not null access UML_Sequence_Node_Proxy;
116     To   : Boolean);
117   --  Setter of StructuredActivityNode::mustIsolate.
118   --
119   --  If true, then the actions in the node execute in isolation from actions
120   --  outside the node.
121
122   overriding function Get_Node
123    (Self : not null access constant UML_Sequence_Node_Proxy)
124       return AMF.UML.Activity_Nodes.Collections.Set_Of_UML_Activity_Node;
125   --  Getter of StructuredActivityNode::node.
126   --
127   --  Nodes immediately contained in the group.
128
129   overriding function Get_Structured_Node_Input
130    (Self : not null access constant UML_Sequence_Node_Proxy)
131       return AMF.UML.Input_Pins.Collections.Set_Of_UML_Input_Pin;
132   --  Getter of StructuredActivityNode::structuredNodeInput.
133   --
134
135   overriding function Get_Structured_Node_Output
136    (Self : not null access constant UML_Sequence_Node_Proxy)
137       return AMF.UML.Output_Pins.Collections.Set_Of_UML_Output_Pin;
138   --  Getter of StructuredActivityNode::structuredNodeOutput.
139   --
140
141   overriding function Get_Variable
142    (Self : not null access constant UML_Sequence_Node_Proxy)
143       return AMF.UML.Variables.Collections.Set_Of_UML_Variable;
144   --  Getter of StructuredActivityNode::variable.
145   --
146   --  A variable defined in the scope of the structured activity node. It has
147   --  no value and may not be accessed
148
149   overriding function Get_Element_Import
150    (Self : not null access constant UML_Sequence_Node_Proxy)
151       return AMF.UML.Element_Imports.Collections.Set_Of_UML_Element_Import;
152   --  Getter of Namespace::elementImport.
153   --
154   --  References the ElementImports owned by the Namespace.
155
156   overriding function Get_Imported_Member
157    (Self : not null access constant UML_Sequence_Node_Proxy)
158       return AMF.UML.Packageable_Elements.Collections.Set_Of_UML_Packageable_Element;
159   --  Getter of Namespace::importedMember.
160   --
161   --  References the PackageableElements that are members of this Namespace
162   --  as a result of either PackageImports or ElementImports.
163
164   overriding function Get_Member
165    (Self : not null access constant UML_Sequence_Node_Proxy)
166       return AMF.UML.Named_Elements.Collections.Set_Of_UML_Named_Element;
167   --  Getter of Namespace::member.
168   --
169   --  A collection of NamedElements identifiable within the Namespace, either
170   --  by being owned or by being introduced by importing or inheritance.
171
172   overriding function Get_Owned_Member
173    (Self : not null access constant UML_Sequence_Node_Proxy)
174       return AMF.UML.Named_Elements.Collections.Set_Of_UML_Named_Element;
175   --  Getter of Namespace::ownedMember.
176   --
177   --  A collection of NamedElements owned by the Namespace.
178
179   overriding function Get_Owned_Rule
180    (Self : not null access constant UML_Sequence_Node_Proxy)
181       return AMF.UML.Constraints.Collections.Set_Of_UML_Constraint;
182   --  Getter of Namespace::ownedRule.
183   --
184   --  Specifies a set of Constraints owned by this Namespace.
185
186   overriding function Get_Package_Import
187    (Self : not null access constant UML_Sequence_Node_Proxy)
188       return AMF.UML.Package_Imports.Collections.Set_Of_UML_Package_Import;
189   --  Getter of Namespace::packageImport.
190   --
191   --  References the PackageImports owned by the Namespace.
192
193   overriding function Get_Client_Dependency
194    (Self : not null access constant UML_Sequence_Node_Proxy)
195       return AMF.UML.Dependencies.Collections.Set_Of_UML_Dependency;
196   --  Getter of NamedElement::clientDependency.
197   --
198   --  Indicates the dependencies that reference the client.
199
200   overriding function Get_Name_Expression
201    (Self : not null access constant UML_Sequence_Node_Proxy)
202       return AMF.UML.String_Expressions.UML_String_Expression_Access;
203   --  Getter of NamedElement::nameExpression.
204   --
205   --  The string expression used to define the name of this named element.
206
207   overriding procedure Set_Name_Expression
208    (Self : not null access UML_Sequence_Node_Proxy;
209     To   : AMF.UML.String_Expressions.UML_String_Expression_Access);
210   --  Setter of NamedElement::nameExpression.
211   --
212   --  The string expression used to define the name of this named element.
213
214   overriding function Get_Namespace
215    (Self : not null access constant UML_Sequence_Node_Proxy)
216       return AMF.UML.Namespaces.UML_Namespace_Access;
217   --  Getter of NamedElement::namespace.
218   --
219   --  Specifies the namespace that owns the NamedElement.
220
221   overriding function Get_Qualified_Name
222    (Self : not null access constant UML_Sequence_Node_Proxy)
223       return AMF.Optional_String;
224   --  Getter of NamedElement::qualifiedName.
225   --
226   --  A name which allows the NamedElement to be identified within a
227   --  hierarchy of nested Namespaces. It is constructed from the names of the
228   --  containing namespaces starting at the root of the hierarchy and ending
229   --  with the name of the NamedElement itself.
230
231   overriding function Get_Contained_Edge
232    (Self : not null access constant UML_Sequence_Node_Proxy)
233       return AMF.UML.Activity_Edges.Collections.Set_Of_UML_Activity_Edge;
234   --  Getter of ActivityGroup::containedEdge.
235   --
236   --  Edges immediately contained in the group.
237
238   overriding function Get_Contained_Node
239    (Self : not null access constant UML_Sequence_Node_Proxy)
240       return AMF.UML.Activity_Nodes.Collections.Set_Of_UML_Activity_Node;
241   --  Getter of ActivityGroup::containedNode.
242   --
243   --  Nodes immediately contained in the group.
244
245   overriding function Get_In_Activity
246    (Self : not null access constant UML_Sequence_Node_Proxy)
247       return AMF.UML.Activities.UML_Activity_Access;
248   --  Getter of ActivityGroup::inActivity.
249   --
250   --  Activity containing the group.
251
252   overriding procedure Set_In_Activity
253    (Self : not null access UML_Sequence_Node_Proxy;
254     To   : AMF.UML.Activities.UML_Activity_Access);
255   --  Setter of ActivityGroup::inActivity.
256   --
257   --  Activity containing the group.
258
259   overriding function Get_Subgroup
260    (Self : not null access constant UML_Sequence_Node_Proxy)
261       return AMF.UML.Activity_Groups.Collections.Set_Of_UML_Activity_Group;
262   --  Getter of ActivityGroup::subgroup.
263   --
264   --  Groups immediately contained in the group.
265
266   overriding function Get_Super_Group
267    (Self : not null access constant UML_Sequence_Node_Proxy)
268       return AMF.UML.Activity_Groups.UML_Activity_Group_Access;
269   --  Getter of ActivityGroup::superGroup.
270   --
271   --  Group immediately containing the group.
272
273   overriding function Get_Context
274    (Self : not null access constant UML_Sequence_Node_Proxy)
275       return AMF.UML.Classifiers.UML_Classifier_Access;
276   --  Getter of Action::context.
277   --
278   --  The classifier that owns the behavior of which this action is a part.
279
280   overriding function Get_Input
281    (Self : not null access constant UML_Sequence_Node_Proxy)
282       return AMF.UML.Input_Pins.Collections.Ordered_Set_Of_UML_Input_Pin;
283   --  Getter of Action::input.
284   --
285   --  The ordered set of input pins connected to the Action. These are among
286   --  the total set of inputs.
287
288   overriding function Get_Is_Locally_Reentrant
289    (Self : not null access constant UML_Sequence_Node_Proxy)
290       return Boolean;
291   --  Getter of Action::isLocallyReentrant.
292   --
293   --  If true, the action can begin a new, concurrent execution, even if
294   --  there is already another execution of the action ongoing. If false, the
295   --  action cannot begin a new execution until any previous execution has
296   --  completed.
297
298   overriding procedure Set_Is_Locally_Reentrant
299    (Self : not null access UML_Sequence_Node_Proxy;
300     To   : Boolean);
301   --  Setter of Action::isLocallyReentrant.
302   --
303   --  If true, the action can begin a new, concurrent execution, even if
304   --  there is already another execution of the action ongoing. If false, the
305   --  action cannot begin a new execution until any previous execution has
306   --  completed.
307
308   overriding function Get_Local_Postcondition
309    (Self : not null access constant UML_Sequence_Node_Proxy)
310       return AMF.UML.Constraints.Collections.Set_Of_UML_Constraint;
311   --  Getter of Action::localPostcondition.
312   --
313   --  Constraint that must be satisfied when executed is completed.
314
315   overriding function Get_Local_Precondition
316    (Self : not null access constant UML_Sequence_Node_Proxy)
317       return AMF.UML.Constraints.Collections.Set_Of_UML_Constraint;
318   --  Getter of Action::localPrecondition.
319   --
320   --  Constraint that must be satisfied when execution is started.
321
322   overriding function Get_Output
323    (Self : not null access constant UML_Sequence_Node_Proxy)
324       return AMF.UML.Output_Pins.Collections.Ordered_Set_Of_UML_Output_Pin;
325   --  Getter of Action::output.
326   --
327   --  The ordered set of output pins connected to the Action. The action
328   --  places its results onto pins in this set.
329
330   overriding function Get_Handler
331    (Self : not null access constant UML_Sequence_Node_Proxy)
332       return AMF.UML.Exception_Handlers.Collections.Set_Of_UML_Exception_Handler;
333   --  Getter of ExecutableNode::handler.
334   --
335   --  A set of exception handlers that are examined if an uncaught exception
336   --  propagates to the outer level of the executable node.
337
338   overriding function Get_In_Group
339    (Self : not null access constant UML_Sequence_Node_Proxy)
340       return AMF.UML.Activity_Groups.Collections.Set_Of_UML_Activity_Group;
341   --  Getter of ActivityNode::inGroup.
342   --
343   --  Groups containing the node.
344
345   overriding function Get_In_Interruptible_Region
346    (Self : not null access constant UML_Sequence_Node_Proxy)
347       return AMF.UML.Interruptible_Activity_Regions.Collections.Set_Of_UML_Interruptible_Activity_Region;
348   --  Getter of ActivityNode::inInterruptibleRegion.
349   --
350   --  Interruptible regions containing the node.
351
352   overriding function Get_In_Partition
353    (Self : not null access constant UML_Sequence_Node_Proxy)
354       return AMF.UML.Activity_Partitions.Collections.Set_Of_UML_Activity_Partition;
355   --  Getter of ActivityNode::inPartition.
356   --
357   --  Partitions containing the node.
358
359   overriding function Get_In_Structured_Node
360    (Self : not null access constant UML_Sequence_Node_Proxy)
361       return AMF.UML.Structured_Activity_Nodes.UML_Structured_Activity_Node_Access;
362   --  Getter of ActivityNode::inStructuredNode.
363   --
364   --  Structured activity node containing the node.
365
366   overriding procedure Set_In_Structured_Node
367    (Self : not null access UML_Sequence_Node_Proxy;
368     To   : AMF.UML.Structured_Activity_Nodes.UML_Structured_Activity_Node_Access);
369   --  Setter of ActivityNode::inStructuredNode.
370   --
371   --  Structured activity node containing the node.
372
373   overriding function Get_Incoming
374    (Self : not null access constant UML_Sequence_Node_Proxy)
375       return AMF.UML.Activity_Edges.Collections.Set_Of_UML_Activity_Edge;
376   --  Getter of ActivityNode::incoming.
377   --
378   --  Edges that have the node as target.
379
380   overriding function Get_Outgoing
381    (Self : not null access constant UML_Sequence_Node_Proxy)
382       return AMF.UML.Activity_Edges.Collections.Set_Of_UML_Activity_Edge;
383   --  Getter of ActivityNode::outgoing.
384   --
385   --  Edges that have the node as source.
386
387   overriding function Get_Redefined_Node
388    (Self : not null access constant UML_Sequence_Node_Proxy)
389       return AMF.UML.Activity_Nodes.Collections.Set_Of_UML_Activity_Node;
390   --  Getter of ActivityNode::redefinedNode.
391   --
392   --  Inherited nodes replaced by this node in a specialization of the
393   --  activity.
394
395   overriding function Get_Is_Leaf
396    (Self : not null access constant UML_Sequence_Node_Proxy)
397       return Boolean;
398   --  Getter of RedefinableElement::isLeaf.
399   --
400   --  Indicates whether it is possible to further redefine a
401   --  RedefinableElement. If the value is true, then it is not possible to
402   --  further redefine the RedefinableElement. Note that this property is
403   --  preserved through package merge operations; that is, the capability to
404   --  redefine a RedefinableElement (i.e., isLeaf=false) must be preserved in
405   --  the resulting RedefinableElement of a package merge operation where a
406   --  RedefinableElement with isLeaf=false is merged with a matching
407   --  RedefinableElement with isLeaf=true: the resulting RedefinableElement
408   --  will have isLeaf=false. Default value is false.
409
410   overriding procedure Set_Is_Leaf
411    (Self : not null access UML_Sequence_Node_Proxy;
412     To   : Boolean);
413   --  Setter of RedefinableElement::isLeaf.
414   --
415   --  Indicates whether it is possible to further redefine a
416   --  RedefinableElement. If the value is true, then it is not possible to
417   --  further redefine the RedefinableElement. Note that this property is
418   --  preserved through package merge operations; that is, the capability to
419   --  redefine a RedefinableElement (i.e., isLeaf=false) must be preserved in
420   --  the resulting RedefinableElement of a package merge operation where a
421   --  RedefinableElement with isLeaf=false is merged with a matching
422   --  RedefinableElement with isLeaf=true: the resulting RedefinableElement
423   --  will have isLeaf=false. Default value is false.
424
425   overriding function Get_Redefined_Element
426    (Self : not null access constant UML_Sequence_Node_Proxy)
427       return AMF.UML.Redefinable_Elements.Collections.Set_Of_UML_Redefinable_Element;
428   --  Getter of RedefinableElement::redefinedElement.
429   --
430   --  The redefinable element that is being redefined by this element.
431
432   overriding function Get_Redefinition_Context
433    (Self : not null access constant UML_Sequence_Node_Proxy)
434       return AMF.UML.Classifiers.Collections.Set_Of_UML_Classifier;
435   --  Getter of RedefinableElement::redefinitionContext.
436   --
437   --  References the contexts that this element may be redefined from.
438
439   overriding function Exclude_Collisions
440    (Self : not null access constant UML_Sequence_Node_Proxy;
441     Imps : AMF.UML.Packageable_Elements.Collections.Set_Of_UML_Packageable_Element)
442       return AMF.UML.Packageable_Elements.Collections.Set_Of_UML_Packageable_Element;
443   --  Operation Namespace::excludeCollisions.
444   --
445   --  The query excludeCollisions() excludes from a set of
446   --  PackageableElements any that would not be distinguishable from each
447   --  other in this namespace.
448
449   overriding function Get_Names_Of_Member
450    (Self : not null access constant UML_Sequence_Node_Proxy;
451     Element : AMF.UML.Named_Elements.UML_Named_Element_Access)
452       return AMF.String_Collections.Set_Of_String;
453   --  Operation Namespace::getNamesOfMember.
454   --
455   --  The query getNamesOfMember() takes importing into account. It gives
456   --  back the set of names that an element would have in an importing
457   --  namespace, either because it is owned, or if not owned then imported
458   --  individually, or if not individually then from a package.
459   --  The query getNamesOfMember() gives a set of all of the names that a
460   --  member would have in a Namespace. In general a member can have multiple
461   --  names in a Namespace if it is imported more than once with different
462   --  aliases. The query takes account of importing. It gives back the set of
463   --  names that an element would have in an importing namespace, either
464   --  because it is owned, or if not owned then imported individually, or if
465   --  not individually then from a package.
466
467   overriding function Import_Members
468    (Self : not null access constant UML_Sequence_Node_Proxy;
469     Imps : AMF.UML.Packageable_Elements.Collections.Set_Of_UML_Packageable_Element)
470       return AMF.UML.Packageable_Elements.Collections.Set_Of_UML_Packageable_Element;
471   --  Operation Namespace::importMembers.
472   --
473   --  The query importMembers() defines which of a set of PackageableElements
474   --  are actually imported into the namespace. This excludes hidden ones,
475   --  i.e., those which have names that conflict with names of owned members,
476   --  and also excludes elements which would have the same name when imported.
477
478   overriding function Imported_Member
479    (Self : not null access constant UML_Sequence_Node_Proxy)
480       return AMF.UML.Packageable_Elements.Collections.Set_Of_UML_Packageable_Element;
481   --  Operation Namespace::importedMember.
482   --
483   --  The importedMember property is derived from the ElementImports and the
484   --  PackageImports. References the PackageableElements that are members of
485   --  this Namespace as a result of either PackageImports or ElementImports.
486
487   overriding function Members_Are_Distinguishable
488    (Self : not null access constant UML_Sequence_Node_Proxy)
489       return Boolean;
490   --  Operation Namespace::membersAreDistinguishable.
491   --
492   --  The Boolean query membersAreDistinguishable() determines whether all of
493   --  the namespace's members are distinguishable within it.
494
495   overriding function Owned_Member
496    (Self : not null access constant UML_Sequence_Node_Proxy)
497       return AMF.UML.Named_Elements.Collections.Set_Of_UML_Named_Element;
498   --  Operation Namespace::ownedMember.
499   --
500   --  Missing derivation for Namespace::/ownedMember : NamedElement
501
502   overriding function All_Owning_Packages
503    (Self : not null access constant UML_Sequence_Node_Proxy)
504       return AMF.UML.Packages.Collections.Set_Of_UML_Package;
505   --  Operation NamedElement::allOwningPackages.
506   --
507   --  The query allOwningPackages() returns all the directly or indirectly
508   --  owning packages.
509
510   overriding function Is_Distinguishable_From
511    (Self : not null access constant UML_Sequence_Node_Proxy;
512     N : AMF.UML.Named_Elements.UML_Named_Element_Access;
513     Ns : AMF.UML.Namespaces.UML_Namespace_Access)
514       return Boolean;
515   --  Operation NamedElement::isDistinguishableFrom.
516   --
517   --  The query isDistinguishableFrom() determines whether two NamedElements
518   --  may logically co-exist within a Namespace. By default, two named
519   --  elements are distinguishable if (a) they have unrelated types or (b)
520   --  they have related types but different names.
521
522   overriding function Namespace
523    (Self : not null access constant UML_Sequence_Node_Proxy)
524       return AMF.UML.Namespaces.UML_Namespace_Access;
525   --  Operation NamedElement::namespace.
526   --
527   --  Missing derivation for NamedElement::/namespace : Namespace
528
529   overriding function Context
530    (Self : not null access constant UML_Sequence_Node_Proxy)
531       return AMF.UML.Classifiers.UML_Classifier_Access;
532   --  Operation Action::context.
533   --
534   --  Missing derivation for Action::/context : Classifier
535
536   overriding function Is_Consistent_With
537    (Self : not null access constant UML_Sequence_Node_Proxy;
538     Redefinee : AMF.UML.Redefinable_Elements.UML_Redefinable_Element_Access)
539       return Boolean;
540   --  Operation RedefinableElement::isConsistentWith.
541   --
542   --  The query isConsistentWith() specifies, for any two RedefinableElements
543   --  in a context in which redefinition is possible, whether redefinition
544   --  would be logically consistent. By default, this is false; this
545   --  operation must be overridden for subclasses of RedefinableElement to
546   --  define the consistency conditions.
547
548   overriding function Is_Redefinition_Context_Valid
549    (Self : not null access constant UML_Sequence_Node_Proxy;
550     Redefined : AMF.UML.Redefinable_Elements.UML_Redefinable_Element_Access)
551       return Boolean;
552   --  Operation RedefinableElement::isRedefinitionContextValid.
553   --
554   --  The query isRedefinitionContextValid() specifies whether the
555   --  redefinition contexts of this RedefinableElement are properly related
556   --  to the redefinition contexts of the specified RedefinableElement to
557   --  allow this element to redefine the other. By default at least one of
558   --  the redefinition contexts of this element must be a specialization of
559   --  at least one of the redefinition contexts of the specified element.
560
561   overriding procedure Enter_Element
562    (Self    : not null access constant UML_Sequence_Node_Proxy;
563     Visitor : in out AMF.Visitors.Abstract_Visitor'Class;
564     Control : in out AMF.Visitors.Traverse_Control);
565   --  Dispatch call to corresponding subprogram of visitor interface.
566
567   overriding procedure Leave_Element
568    (Self    : not null access constant UML_Sequence_Node_Proxy;
569     Visitor : in out AMF.Visitors.Abstract_Visitor'Class;
570     Control : in out AMF.Visitors.Traverse_Control);
571   --  Dispatch call to corresponding subprogram of visitor interface.
572
573   overriding procedure Visit_Element
574    (Self     : not null access constant UML_Sequence_Node_Proxy;
575     Iterator : in out AMF.Visitors.Abstract_Iterator'Class;
576     Visitor  : in out AMF.Visitors.Abstract_Visitor'Class;
577     Control  : in out AMF.Visitors.Traverse_Control);
578   --  Dispatch call to corresponding subprogram of iterator interface.
579
580end AMF.Internals.UML_Sequence_Nodes;
581