public IRelationshipSet <T> GetEndingWith(ITrueEntity end)
{
IRelationshipSet <T> temp = new RelationshipSet <T>();
foreach (T t in this.GetItems())
{
if (t.Entities != null && t.Entities.Count != 0 && t.Entities[1].Equals(end))
{
temp.Add(t);
}
}
return(temp);
}
/// <summary>
/// Removes relationship between classes releted by two or more another relationships.
/// </summary>
/// <param name="graph"></param>
public void OptimizeSubclassRelationship()
{
List <SubclassRelationship> list = new List <SubclassRelationship>(Graph.SubclassRelationships.GetItems());
IRelationshipSet <IRelationship> relationships = Graph.SubclassRelationships.ConvertAll <IRelationship>(delegate(SubclassRelationship sr) { return(sr as IRelationship); });
for (int i = 0; i < list.Count; i++)
{
if (RelationshipLength(relationships, list[i].Entities[0], list[i].Entities[1]) > 1)
{
list.RemoveAt(i--);
}
}
IRelationshipSet <SubclassRelationship> set = new RelationshipSet <SubclassRelationship>();
set.Add(list);
Graph.SubclassRelationships = set;
}
public void OptimizePropertyRelationships()
{
//all optimized PropertyRelationships
IRelationshipSet <PropertyRelationship> optimizedPRs = Graph.PropertyRelationships;
//all SubclassRelationships
IRelationshipSet <IRelationship> allSubclassR = Graph.SubclassRelationships.ConvertAll <IRelationship>(delegate(SubclassRelationship sr) { return(sr as IRelationship); });
//all participated IPropertyEntity
ISet <ITrueEntity> properties = Graph.PropertyRelationships.GetBeginEntities();
IRelationshipSet <PropertyRelationship> set = new RelationshipSet <PropertyRelationship>();
//foreach participated property
foreach (ITrueEntity property in properties.GetItems())
{
//find PropertyRelationships related with this property from optimized
IRelationshipSet <PropertyRelationship> someOptimizedPR = optimizedPRs.GetBeginningWith(property);
//find all related classes by optimized PropertyRelationships
//ISet<ITrueEntity> classes = someOptimizedPR.GetEndEntities();
List <PropertyRelationship> list = new List <PropertyRelationship>(someOptimizedPR.GetItems());
for (int i = 0; i < list.Count; i++)
{
for (int j = 0; j < list.Count; j++)
{
if (RelationshipLength(allSubclassR, list[j].Entities[1], list[i].Entities[1]) > 0)
{
list.RemoveAt(j--);
if (i > j)
{
i--;
}
}
}
}
set.Add(list);
}
Graph.PropertyRelationships = set;
}