public Lifetime CreateLifetimeThatIsBoundedByDiagram()
{
BoundedLifetime lifetime = new BoundedLifetime(_graphTree, this);
SetOutlastsRelationship(DiagramLifetime, lifetime);
return(lifetime);
}
public void SetOutlastsRelationship(Lifetime outlaster, Lifetime outlasted)
{
BoundedLifetime boundedOutlaster = outlaster as BoundedLifetime, boundedOutlasted = outlasted as BoundedLifetime;
if (boundedOutlaster == null || boundedOutlasted == null)
{
return;
}
if (IsSubtypeLifetimeOf(boundedOutlasted, boundedOutlaster))
{
throw new ArgumentException("outlasted already outlasts outlaster");
}
if (IsSubtypeLifetimeOf(boundedOutlaster, boundedOutlaster))
{
return;
}
HashSet <BoundedLifetime> supertypes;
if (!_lifetimeSupertypes.TryGetValue(boundedOutlaster, out supertypes))
{
supertypes = new HashSet <BoundedLifetime>();
_lifetimeSupertypes[boundedOutlaster] = supertypes;
}
supertypes.Add(boundedOutlasted);
}
public LifetimeGraphIdentifier GetBoundedLifetimeGraphIdentifier(Lifetime lifetime)
{
BoundedLifetime boundedLifetime = lifetime as BoundedLifetime;
if (boundedLifetime == null)
{
return(default(LifetimeGraphIdentifier));
}
return(_diagramGraphs.First(pair => pair.Value == boundedLifetime.DiagramGraph).Key);
}
private bool IsSubtypeLifetimeOf(BoundedLifetime toCheck, BoundedLifetime comparison)
{
HashSet <BoundedLifetime> supertypes;
if (!_lifetimeSupertypes.TryGetValue(toCheck, out supertypes))
{
return(false);
}
if (supertypes.Contains(comparison))
{
return(true);
}
return(supertypes.Any(supertype => IsSubtypeLifetimeOf(supertype, comparison)));
}
private bool DoesLifetimeOutlastLifetimeGraph(BoundedLifetime boundedLifetime, LifetimeGraphIdentifier graphIdentifier)
{
BoundedLifetimeGraph boundedLifetimeGraph = boundedLifetime.DiagramGraph;
BoundedLifetimeGraph diagramGraph = _diagramGraphs[graphIdentifier];
if (boundedLifetimeGraph == diagramGraph)
{
return(boundedLifetimeGraph.DoesOutlast(boundedLifetime, boundedLifetimeGraph.DiagramLifetime));
}
else
{
LifetimeGraphIdentifier currentGraphIdentifier = graphIdentifier, parentGraphIdentifier;
while (_graphParents.TryGetValue(currentGraphIdentifier, out parentGraphIdentifier))
{
diagramGraph = _diagramGraphs[currentGraphIdentifier];
if (diagramGraph == boundedLifetimeGraph)
{
return(true);
}
currentGraphIdentifier = parentGraphIdentifier;
}
return(false);
}
}
public BoundedLifetimeGraph(LifetimeGraphTree graphTree)
{
_graphTree = graphTree;
DiagramLifetime = new BoundedLifetime(_graphTree, this);
}