public static uint GetLowerMultiplicityOfContentElement(PSMElement node)
{
{
PSMAssociationChild c = node as PSMAssociationChild;
if (c != null)
{
if (c.ParentUnion != null)
{
return(1);
}
if (c.ParentAssociation != null)
{
Debug.Assert(c.ParentAssociation.Lower != null);
return(c.ParentAssociation.Lower.Value);
}
else
{
return(1); // root class
}
}
}
if (node is PSMContentContainer)
{
return(1);
}
if (node is PSMAttribute)
{
Debug.Assert(((PSMAttribute)node).Lower != null);
return(((PSMAttribute)node).Lower.Value);
}
// should never get here...
throw new ArgumentException();
}
private void TranslateClassUnion(PSMClassUnion classUnion, DataGeneratorContext context)
{
PSMAssociationChild selectedPath = classUnion.Components.ChooseOneRandomly();
TranslateComments(classUnion, context);
TranslateAssociationChild(selectedPath, context);
}
protected override void TranslateAssociationChild(PSMAssociationChild associationChild, DataGeneratorContext context)
{
int count = 1;
if (associationChild.ParentAssociation != null)
{
count = ChooseMultiplicity(associationChild.ParentAssociation);
}
for (int i = 0; i < count; i++)
{
if (associationChild is PSMClass)
{
PSMClass psmClass = (PSMClass)associationChild;
if (!psmClass.HasElementLabel)
{
if (GenerateComments)
{
XmlComment xmlComment = context.Document.CreateComment(string.Format("Content group {0} {1}", psmClass.Name, i));
context.CurrentElement.AppendChild(xmlComment);
}
}
TranslateClass(psmClass, context);
}
else
{
TranslateClassUnion((PSMClassUnion)associationChild, context);
}
}
}
public static int ComponentIndex(this PSMAssociationChild associationChild)
{
if (associationChild.ParentUnion == null)
{
return(-1);
}
return(associationChild.ParentUnion.Components.IndexOf(associationChild));
}
protected override void TranslateAssociationChild(PSMAssociationChild associationChild, ChangesDetectorContext context)
{
if (associationChild is PSMClass)
{
TranslateClass((PSMClass)associationChild, context);
}
else
{
TranslateClassUnion((PSMClassUnion)associationChild, context);
}
}
internal static Element GetComponentAndCollection(ISelectable selectedItem, PSMDiagram diagram, out IList <PSMSuperordinateComponent> rootsCollection, out IList <PSMAssociationChild> associationChildCollection, out IList <PSMSubordinateComponent> subordinateComponentCollection)
{
rootsCollection = null;
associationChildCollection = null;
subordinateComponentCollection = null;
if (selectedItem is IPSMSubordinateComponentRepresentant)
{
PSMSubordinateComponent subordinateComponent = ((IPSMSubordinateComponentRepresentant)selectedItem).ModelSubordinateComponent;
if (subordinateComponent.Parent != null)
{
subordinateComponentCollection = subordinateComponent.Parent.Components;
return(subordinateComponent);
}
}
PSMAssociationChild associationChild = null;
if (selectedItem is PSM_Class)
{
associationChild = ((PSM_Class)selectedItem).PSMClass;
PSMClass psmClass = (PSMClass)associationChild;
if (diagram.Roots.Contains(psmClass))
{
rootsCollection = diagram.Roots;
return(psmClass);
}
}
if (selectedItem is PSM_ClassUnion)
{
associationChild = ((PSM_ClassUnion)selectedItem).ClassUnion;
}
if (associationChild != null)
{
if (associationChild.ParentAssociation != null && associationChild.ParentAssociation.Parent != null)
{
subordinateComponentCollection = associationChild.ParentAssociation.Parent.Components;
return(associationChild.ParentAssociation);
}
else if (associationChild.ParentUnion != null)
{
associationChildCollection = associationChild.ParentUnion.Components;
return(associationChild);
}
}
return(null);
}
/// <summary>
/// Checks whether <paramref name="items"/> are all children of a common parent, that is a <see cref="PSMSuperordinateComponent"/> and all
/// items are <see cref="PSMSubordinateComponent"/>s.
/// </summary>
/// <param name="items">list of selectable items</param>
/// <param name="parent">common parent for <paramref name="items"/> (if found)</param>
/// <param name="components"><see cref="PSMSubordinateComponent"/>s that are represented by <paramref name="items"/></param>
/// <returns>true if <paramref name="items"/> are all components of a common parent, false otherwise</returns>
public static bool AreComponentsOfCommonParent(IEnumerable<IModelElementRepresentant> items, out PSMSuperordinateComponent parent, out IList<PSMSubordinateComponent> components)
{
parent = null;
List<PSMSubordinateComponent> result = new List<PSMSubordinateComponent>();
components = null;
foreach (IModelElementRepresentant item in items)
{
if (!(item is IPSMSubordinateComponentRepresentant) && !(item is Controls.PSM_Class))
{
return false;
}
else
{
PSMSubordinateComponent component = null;
if (item is Controls.PSM_Class)
{
PSMAssociationChild associationChild = (item as Controls.PSM_Class).ClassController.Class;
if (associationChild != null && associationChild.ParentAssociation != null)
component = associationChild.ParentAssociation;
}
else
{
component = ((IPSMSubordinateComponentRepresentant)item).ModelSubordinateComponent;
}
if (component == null)
{
return false;
}
PSMSuperordinateComponent itemParent = component.Parent;
if (parent == null)
parent = itemParent;
else
{
if (parent != itemParent)
{
return false;
}
}
if (!result.Contains(component))
result.Add(component);
}
}
components = result;
return true;
}
public static IList <EvolutionChange> Detect(Version v1, Version v2, PSMAssociationChild associationChild)
{
List <EvolutionChange> result = new List <EvolutionChange>();
PSMAssociationChild associationChildOldVersion = (PSMAssociationChild)associationChild.GetInVersion(v2);
if (associationChild.ParentUnion != null && associationChildOldVersion.ParentUnion != null &&
associationChild.ParentUnion.GetInVersion(v1) == associationChildOldVersion.ParentUnion &&
associationChild.ComponentIndex() != associationChildOldVersion.ComponentIndex())
{
AssociationChildClassUnionIndexChange change = new AssociationChildClassUnionIndexChange(associationChild)
{
OldVersion = v1, NewVersion = v2
};
result.Add(change);
}
return(result);
}
public static IList <EvolutionChange> Detect(Version v1, Version v2, PSMAssociationChild associationChild)
{
List <EvolutionChange> result = new List <EvolutionChange>();
PSMAssociationChild associationChildOldVersion = (PSMAssociationChild)associationChild.GetInVersion(v2);
Debug.Assert(associationChildOldVersion != null);
if ((associationChild.ParentAssociation != null ||
(associationChild.ParentAssociation == null && associationChild.ParentUnion == null)) &&
associationChildOldVersion.ParentUnion != null)
{
result.Add(new AssociationChildReturnedFromUnionChange(associationChild)
{
OldVersion = v1, NewVersion = v2
});
}
return(result);
}
public static Element GetParentOfElement(Element element)
{
if (element is PSMSubordinateComponent)
{
return(((PSMSubordinateComponent)element).Parent);
}
PSMAssociationChild associationChild = element as PSMAssociationChild;
if (associationChild != null && associationChild.ParentAssociation != null)
{
return(associationChild.ParentAssociation);
}
if (associationChild != null && associationChild.ParentUnion != null)
{
return(associationChild.ParentUnion);
}
PSMClass psmClass = element as PSMClass;
if (psmClass != null)
{
if (psmClass.ParentUnion != null)
{
return(psmClass.ParentUnion);
}
if (psmClass.Generalizations.Count() > 0)
{
return(psmClass.Generalizations.First());
}
}
Generalization generalization = element as Generalization;
if (generalization != null)
{
return(generalization.General);
}
return(null);
}
/// <summary>
/// Sets this command for execution
/// </summary>
/// <param name="Parent">Parent element of the association</param>
/// <param name="Child">Child element of the association</param>
/// <param name="createdAssociation">Holder that will contain the newly created association - can be null</param>
/// <param name="index">Index at which to insert the association into parents components (null = default)</param>
public void Set(PSMSuperordinateComponent Parent, PSMAssociationChild Child, ElementHolder <PSMAssociation> createdAssociation, int?index)
{
ParentHolder = new ElementHolder <PSMSuperordinateComponent>()
{
Element = Parent
};
ChildHolder = new ElementHolder <PSMAssociationChild>()
{
Element = Child
};
Index = index;
if (createdAssociation == null)
{
CreatedAssociation = new ElementHolder <PSMAssociation>();
}
else
{
CreatedAssociation = createdAssociation;
}
}
/// <summary>
/// Gets the root of the PSM tree that contains the given item (if any).
/// </summary>
/// <param name="item">Reference to the item being searched</param>
/// <returns>Reference to the root of the tree that contains item or null if no such exists</returns>
public static PSMSuperordinateComponent GetRootOf(object item)
{
if (item is PSMSubordinateComponent)
{
PSMSubordinateComponent comp = item as PSMSubordinateComponent;
if (comp.Parent == null)
{
return(item as PSMSuperordinateComponent);
}
else
{
return(GetRootOf(comp.Parent));
}
}
if (item is PSMAssociationChild)
{
PSMAssociationChild child = item as PSMAssociationChild;
if (child.ParentAssociation != null)
{
return(GetRootOf(child.ParentAssociation));
}
if (child.ParentUnion != null)
{
return(GetRootOf(child.ParentUnion));
}
return(item as PSMSuperordinateComponent);
}
if (item is PSMAttribute)
{
return(GetRootOf((item as PSMAttribute).Class));
}
return(null);
}
/// <summary>
/// Returns PSM associations between an two nodes (they must be part of a path in the PSM tree).
/// (assocations are returned in root to leafes order.
/// </summary>
/// <param name="ancestor">ancestor node</param>
/// <param name="descendant">descendant node</param>
public static IEnumerable <PSMAssociation> GetAssociationsBetweenNodes(PSMElement ancestor, PSMElement descendant)
{
List <PSMAssociation> associations = new List <PSMAssociation>();
PSMTreeIterator it = new PSMTreeIterator(descendant);
while (it.CurrentNode != ancestor)
{
{
PSMAssociationChild associationChild = it.CurrentNode as PSMAssociationChild;
if (associationChild != null && associationChild.ParentAssociation != null)
{
associations.Insert(0, associationChild.ParentAssociation);
}
}
if (!it.CanGoToParent())
{
throw new ArgumentException("Nodes are not valid ancestor-descendant pair");
}
it.GoToParent();
}
return(associations);
}
public AssociationChildMovedToUnionChange(PSMAssociationChild associationChild)
: base(associationChild)
{
}
public AssociationChildClassUnionIndexChange(PSMAssociationChild associationChild) : base(associationChild)
{
}
private EvoX.Model.PSM.PSMAssociation CreateLeadingAssociationForUnionComponents(PSMAssociationChild associationChild, PSMAssociationMember childAssociationMember)
{
PSMAssociationMember parent = (PSMAssociationMember)translatedElements[associationChild.ParentUnion];
EvoX.Model.PSM.PSMAssociation psmAssociation = new EvoX.Model.PSM.PSMAssociation(
evoxProject, parent, childAssociationMember, psmSchema);
PSMClass psmClass = associationChild as PSMClass;
if (psmClass != null && psmClass.HasElementLabel)
{
psmAssociation.Name = psmClass.ElementName;
}
else
{
psmAssociation.Name = null;
}
associationOrder[psmAssociation] = associationChild.ComponentIndex();
return(psmAssociation);
}
/// <summary>
/// Translates the association child.
/// </summary>
/// <remarks>
/// The <see cref="PSMAssociationChild"/> can be
/// either <see cref="PSMClass"/> or <see cref="PSMClassUnion"/>. If the child is
/// <see cref="PSMClass"/>, <see cref="TranslateClass"/> could be used.
/// </remarks>
/// <param name="associationChild">The association child.</param>
/// <param name="context">The translation context.</param>
protected virtual void TranslateAssociationChild(PSMAssociationChild associationChild, Context context)
{
}
/// <summary>
/// Returns the elements of subtrees of roots in an order in which they can be
/// added to a PSM diagram.
/// </summary>
/// <param name="roots">The roots.</param>
/// <param name="ordered">The ordered.</param>
/// <param name="addMetElements">if set to <c>true</c> method adds any elements met
/// during the execution (subelements of the elements in <paramref name="roots"/>).</param>
/// <returns></returns>
public static bool ReturnElementsInPSMOrder(IEnumerable <Element> roots, out IList <Element> ordered, bool addMetElements)
{
/* PSM diagram elements must be loaded from root to leaves,
* following code is BFS implementation */
Queue <Element> elementsToDo = new Queue <Element>();
List <Element> alreadyProcessed = new List <Element>();
List <Element> delayedElements = new List <Element>();
List <Element> _roots = roots.ToList();
_roots.Sort(CompareByRootPositionsDesc);
foreach (Element root in _roots)
{
elementsToDo.Enqueue(root);
}
List <Element> needed = new List <Element>();
while (elementsToDo.Count > 0)
{
Element node = elementsToDo.Dequeue();
if (!alreadyProcessed.Contains(node))
{
if (node is PSMSuperordinateComponent)
{
foreach (PSMSubordinateComponent component in ((PSMSuperordinateComponent)node).Components.Where(i => !alreadyProcessed.Contains(i) && !elementsToDo.Contains(i)))
{
elementsToDo.Enqueue(component);
}
}
if (node is PSMClassUnion)
{
foreach (PSMAssociationChild component in ((PSMClassUnion)node).Components.Where(i => !alreadyProcessed.Contains(i) && !elementsToDo.Contains(i)))
{
elementsToDo.Enqueue(component);
}
}
PSMClass psmClass = node as PSMClass;
if (psmClass != null)
{
foreach (Generalization specification in psmClass.Specifications.Where(i => !alreadyProcessed.Contains(i) && !elementsToDo.Contains(i)))
{
elementsToDo.Enqueue(specification);
}
}
PSMAssociation a = node as PSMAssociation;
Generalization g = node as Generalization;
PSMSubordinateComponent sub = node as PSMSubordinateComponent;
PSMAssociationChild child = node as PSMAssociationChild;
/*
* association can be loaded only after the child is already loaded too.
* otherwise it is postponed,
*
* generalizations can be loaded after both
* general and specific class are loaded
*
* component can be loaded after parent is loaded
*/
needed.Clear();
if (a != null)
{
if (elementsToDo.Contains(a.Parent))
{
needed.Add(a.Parent);
}
needed.Add(a.Child);
}
if (g != null)
{
if (elementsToDo.Contains(g.General))
{
needed.Add(g.General);
}
needed.Add(g.Specific);
}
if (sub != null)
{
if (elementsToDo.Contains(sub.Parent))
{
needed.Add(sub.Parent);
}
//IList<PSMSubordinateComponent> components = sub.Parent.Components;
//int index = components.IndexOf(sub);
//needed.AddRange(components.Where(component => components.IndexOf(component) < index).Cast<Element>());
}
if (child != null && child.ParentUnion != null)
{
if (elementsToDo.Contains(child.ParentUnion))
{
needed.Add(child.ParentUnion);
}
//IList<PSMAssociationChild> components = child.ParentUnion.Components;
//int index = components.IndexOf(child);
//needed.AddRange(components.Where(component => components.IndexOf(component) < index).Cast<Element>());
}
//if (child != null && child.ParentAssociation != null)
//{
// if (elementsToDo.Contains(child.ParentAssociation))
// needed.Add(child.ParentAssociation);
// //IList<PSMAssociationChild> components = child.ParentAssociation.Components;
// //int index = components.IndexOf(child);
// //needed.AddRange(components.Where(component => components.IndexOf(component) < index).Cast<Element>());
//}
if (needed.All(alreadyProcessed.Contains))
{
if (!alreadyProcessed.Contains(node))
{
alreadyProcessed.Add(node);
}
}
else
{
if (delayedElements.Contains(node))
{
/*
* association/generalization was already delayed once,
* now it is clear that it will never be loaded correctly,
* algortithm is stopped to avoid infinite cycle.
*/
ordered = null;
return(false);
}
else
{
/* wait untill the association child is loaded */
foreach (Element element in needed.Where(i => !alreadyProcessed.Contains(i) && !elementsToDo.Contains(i)))
{
elementsToDo.Enqueue(element);
}
elementsToDo.Enqueue(node);
delayedElements.Add(node);
}
}
}
}
if (!addMetElements)
{
alreadyProcessed.RemoveAll(element => !roots.Contains(element));
}
ordered = alreadyProcessed;
return(true);
}
public AssociationChildReturnedFromUnionChange(PSMAssociationChild associationChild) :
base(associationChild)
{
}
protected AssociationChildChange(PSMAssociationChild associationChild)
{
Element = associationChild;
}
internal override void CommandOperation()
{
// The context of each new association includes the entire context of the previous
// created association + Parent path of the nesting join of the previous association
// Therefore we progressively cumulate it in this collection.
List <PIMPath> context = new List <PIMPath>();
for (int i = 0; i < Associations.Count; ++i)
{
// Get a reference to Ai and Ai+1 if defined.
PSMAssociation association = Associations[i];
PSMAssociation nextAssociation = null;
if (i < Associations.Count - 1)
{
nextAssociation = Associations[i + 1];
}
// Remove Ai from the model
DeleteFromPSMDiagramCommand cmdDel = DeleteFromPSMDiagramCommandFactory.Factory().Create(Controller) as DeleteFromPSMDiagramCommand;
cmdDel.DeletedElements = new List <Element>();
cmdDel.DeletedElements.Add(association);
cmdDel.CommandOperation();
deletedAssociations.Add(cmdDel);
// Create a new PSM association A'i
NewPSMAssociationCommand cmdNew = NewPSMAssociationCommandFactory.Factory().Create(
Controller.ModelController) as NewPSMAssociationCommand;
PSMAssociationChild child = (nextAssociation == null ? GroupedClass : nextAssociation.Child);
cmdNew.Set((PSMClass)association.Child, child, null, null);
cmdNew.CommandOperation();
PSMAssociation newAssociation = cmdNew.CreatedAssociation.Element;
createdAssociations.Add(cmdNew);
// Create a nesting join for the new association A'i, all the nesting joins
// of the associations A1..n will have the GroupedClass as their CoreClass.
NestingJoin nj = newAssociation.AddNestingJoin(GroupedClass.RepresentedClass);
// Copy the parent path of the nesting join of Ai to the parent
// path of A'i and reverse it.
IEnumerable <PIMStep> revPath = association.NestingJoins[0].Parent.Steps.Reverse();
foreach (PIMStep step in revPath)
{
nj.Parent.AddStep(step.End, step.Start, step.Association);
}
// If Ai+1 is defined then copy its Parent path to the Child path of A'i
// and reverse it. Set the A'i ending to the child of Ai+1.
// Thus, the A'i association will look as follows
// - A'i: Ai.Child -> Ai+1.Child
// - Nesting join: GroupedClass[Ai.ParentPath(reversed) -> Ai+1.ParentPath(reversed)]
//
// If Ai+1 is not defined, A'i will end at the GroupedClass and will look as follows
// - A'i: Ai.Child -> GroupedClass
// - Nesting join: GroupedClass[Ai.ParentPath(reversed) -> .]
if (nextAssociation != null)
{
revPath = nextAssociation.NestingJoins[0].Parent.Steps.Reverse();
foreach (PIMStep step in revPath)
{
nj.Child.AddStep(step.End, step.Start, step.Association);
}
}
// Set the context of A'i as a collection of all the parent paths of A'1 .. A'i-1
foreach (PIMPath path in context)
{
PIMPath newPath = nj.AddContextPath();
foreach (PIMStep step in path.Steps)
{
newPath.AddStep(step.Start, step.End, step.Association);
}
}
// Add the parent path of A'i to the temporal collection to enable it for A'i+1
context.Add(nj.Parent);
// Put A'i on the diagram
ElementToDiagramCommand <PSMAssociation, PSMAssociationViewHelper> cmdToDiag =
ElementToDiagramCommandFactory <PSMAssociation, PSMAssociationViewHelper> .Factory().Create(Controller)
as ElementToDiagramCommand <PSMAssociation, PSMAssociationViewHelper>;
cmdToDiag.IncludedElement = new Helpers.ElementHolder <PSMAssociation>(newAssociation);
cmdToDiag.CommandOperation();
visualizedAssociations.Add(cmdToDiag);
}
// If the grouped class was previously a root of the PSM diagram
// replace it with the topmost grouping class.
rootIndex = GroupedClass.Diagram.Roots.IndexOf(GroupedClass);
if (rootIndex != -1)
{
newRoot = Associations[0].Child as PSMClass;
GroupedClass.Diagram.Roots[rootIndex] = newRoot;
}
}
