/// <summary>
/// Gets the relationship view for the given relationship.
/// </summary>
/// <param name="relationship">the Relationship to find the RelationshipView for</param>
/// <returns>a RelationshipView object, or null if the relationship doesn't exist in the view</returns>
public RelationshipView GetRelationshipView(Relationship relationship)
{
return(Relationships.First(ev => ev.Id.Equals(relationship.Id)));
}
/// <summary>
/// Propagates all relationships from children to their parents. For example, if you have two components (AAA and BBB)
/// in different software systems that have a relationship, calling this method will add the following
/// additional implied relationships to the model: AAA->BB AAA-->B AA->BBB AA->BB AA->B A->BBB A->BB A->B.
/// </summary>
/// <returns>a set of all implicit relationships</returns>
public ISet <Relationship> AddImplicitRelationships()
{
ISet <Relationship> implicitRelationships = new HashSet <Relationship>();
string descriptionKey = "D";
string technologyKey = "T";
// source element -> destination element -> D/T -> possible values
Dictionary <Element, Dictionary <Element, Dictionary <string, HashSet <string> > > > candidateRelationships = new Dictionary <Element, Dictionary <Element, Dictionary <string, HashSet <string> > > >();
foreach (Relationship relationship in Relationships)
{
Element source = relationship.Source;
Element destination = relationship.Destination;
while (source != null)
{
while (destination != null)
{
if (!source.HasEfferentRelationshipWith(destination))
{
if (propagatedRelationshipIsAllowed(source, destination))
{
if (!candidateRelationships.ContainsKey(source))
{
candidateRelationships.Add(source, new Dictionary <Element, Dictionary <string, HashSet <string> > >());
}
if (!candidateRelationships[source].ContainsKey(destination))
{
candidateRelationships[source].Add(destination, new Dictionary <string, HashSet <string> >());
candidateRelationships[source][destination].Add(descriptionKey, new HashSet <string>());
candidateRelationships[source][destination].Add(technologyKey, new HashSet <string>());
}
if (relationship.Description != null)
{
candidateRelationships[source][destination][descriptionKey].Add(relationship.Description);
}
if (relationship.Technology != null)
{
candidateRelationships[source][destination][technologyKey].Add(relationship.Technology);
}
}
}
destination = destination.Parent;
}
destination = relationship.Destination;
source = source.Parent;
}
}
foreach (Element source in candidateRelationships.Keys)
{
foreach (Element destination in candidateRelationships[source].Keys)
{
ISet <string> possibleDescriptions = candidateRelationships[source][destination][descriptionKey];
ISet <string> possibleTechnologies = candidateRelationships[source][destination][technologyKey];
string description = "";
if (possibleDescriptions.Count == 1)
{
description = possibleDescriptions.First();
}
string technology = "";
if (possibleTechnologies.Count == 1)
{
technology = possibleTechnologies.First();
}
Relationship implicitRelationship = AddRelationship(source, destination, description, technology);
if (implicitRelationship != null)
{
implicitRelationships.Add(implicitRelationship);
}
}
}
return(implicitRelationships);
}
private RelationshipView findRelationshipView(View viewWithLayoutInformation, Relationship relationshipWithoutLayoutInformation, Dictionary <Element, Element> elementMap)
{
if (!elementMap.ContainsKey(relationshipWithoutLayoutInformation.Source) || !elementMap.ContainsKey(relationshipWithoutLayoutInformation.Destination))
{
return(null);
}
Element sourceElementWithLayoutInformation = elementMap[relationshipWithoutLayoutInformation.Source];
Element destinationElementWithLayoutInformation = elementMap[relationshipWithoutLayoutInformation.Destination];
foreach (RelationshipView rv in viewWithLayoutInformation.Relationships)
{
if (
rv.Relationship.Source.Equals(sourceElementWithLayoutInformation) &&
rv.Relationship.Destination.Equals(destinationElementWithLayoutInformation) &&
rv.Relationship.Description.Equals(relationshipWithoutLayoutInformation.Description)
)
{
return(rv);
}
}
return(null);
}
private void AddRelationshipToInternalStructures(Relationship relationship)
{
_relationshipsById.Add(relationship.Id, relationship);
_idGenerator.Found(relationship.Id);
}
