public bool AddToContext(Requirements.RequirementsSet requirements, IfcActorRole role)
{
// it is there already
if (IsContextFor(requirements))
{
return(false);
}
var lib = requirements.Entity;
var relations = role != null?_relations.Where(r => r.ActingRole == role) : _relations;
if (!relations.Any())
{
var rel = Model.Internal.Instances.New <IfcRelAssignsToActor>(r => {
r.RelatingActor = Entity;
r.ActingRole = role;
});
relations = new[] { rel };
_relations.Add(rel);
}
var relation = relations.FirstOrDefault();
relation.RelatedObjects.Add(lib);
_cache.Add(lib.EntityLabel);
return(true);
}
public bool AddToContext(Requirements.RequirementsSet requirements, IfcRoleEnum role)
{
var actorRole = Entity.Model.Instances.FirstOrDefault <IfcActorRole>(r => r.Role == role);
if (actorRole == null)
{
actorRole = Model.New <IfcActorRole>(r => { r.Role = role; });
}
return(AddToContext(requirements, actorRole));
}
public bool RemoveFromContext(Requirements.RequirementsSet requirements)
{
var lib = requirements.Entity;
// it is there already
if (!IsContextFor(requirements))
{
return(false);
}
foreach (var rel in _relations)
{
rel.RelatedObjects.Remove(lib);
}
_cache.Remove(lib.EntityLabel);
return(true);
}
public bool AddToContext(Requirements.RequirementsSet requirements)
{
return(AddToContext(requirements, null as IfcActorRole));
}
public bool IsContextFor(Requirements.RequirementsSet requirements) => _cache.Contains(requirements.Entity.EntityLabel);
