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#include <IFGraph_ExternalSources.ixx>
// ExternalSources exploite les resultats stockes dans le Graphe sur Sharings
// Soit les "Sharings" des entites notees par GetFromEntity et GetFromIter
// Celles des "Sharings" qui n etaient pas deja notees sont ExternalSources
// Les status :
// - Les entites de depart sont au Status 0
// - Les entites Sharing NOUVELLES (ExternalSources) sont au Status 1
IFGraph_ExternalSources::IFGraph_ExternalSources
(const Interface_Graph& agraph)
: thegraph (agraph) { }
void IFGraph_ExternalSources::GetFromEntity
(const Handle(Standard_Transient)& ent)
{ thegraph.GetFromEntity(ent,Standard_True); }
void IFGraph_ExternalSources::GetFromIter
(const Interface_EntityIterator& iter)
{ thegraph.GetFromIter(iter,0); }
void IFGraph_ExternalSources::ResetData ()
{ Reset(); thegraph.Reset(); }
void IFGraph_ExternalSources::Evaluate ()
{
Reset();
thegraph.RemoveStatus(1);
Standard_Integer nb = thegraph.Size();
for (Standard_Integer i = 1; i <= nb; i ++) {
if (thegraph.IsPresent(i) && thegraph.Status(i) == 0)
thegraph.GetFromIter ( thegraph.Sharings(thegraph.Entity(i)), 1 );
}
GetFromGraph(thegraph,1);
}
Standard_Boolean IFGraph_ExternalSources::IsEmpty ()
{
Evaluate();
Standard_Integer nb = thegraph.Size();
for (Standard_Integer i = 1; i <= nb; i ++) {
if (thegraph.IsPresent(i) || thegraph.Status(i) == 1)
return Standard_False;
}
return Standard_True;
}
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