/// <summary>
/// Finds all related objects in IfcRelAssigns.
/// </summary>
/// <param name="ifcRelAssigns">The IfcRelAssigns handle.</param>
/// <returns>The related objects, or null if not found.</returns>
static public ICollection <IFCObjectDefinition> ProcessRelatedObjects(IFCAnyHandle ifcRelAssignsOrAggregates)
{
try
{
ValidateIFCRelAssignsOrAggregates(ifcRelAssignsOrAggregates);
}
catch
{
//LOG: ERROR: Couldn't find valid IfcRelAssignsToGroup for IfcGroup.
return(null);
}
HashSet <IFCAnyHandle> relatedObjects = IFCAnyHandleUtil.GetAggregateInstanceAttribute
<HashSet <IFCAnyHandle> >(ifcRelAssignsOrAggregates, "RelatedObjects");
// Receiving apps need to decide whether to post an error or not.
if (relatedObjects == null)
{
return(null);
}
ICollection <IFCObjectDefinition> relatedObjectSet = new HashSet <IFCObjectDefinition>();
foreach (IFCAnyHandle relatedObject in relatedObjects)
{
IFCObjectDefinition objectDefinition = IFCObjectDefinition.ProcessIFCObjectDefinition(relatedObject);
if (objectDefinition != null)
{
relatedObjectSet.Add(objectDefinition);
}
}
return(relatedObjectSet);
}
/// <summary>
/// Finds all related objects in IfcRelAssigns.
/// </summary>
/// <param name="relatedTo">The entity receiving the collection of objects and the IFCObjectDefinition will record the inverse relationship</param>
/// <param name="ifcRelAssignsOrAggregates">The IfcRelAssigns handle.</param>
/// <returns>The related objects, or null if not found.</returns>
static public ICollection <IFCObjectDefinition> ProcessRelatedObjects(IFCObjectDefinition relatedTo, IFCAnyHandle ifcRelAssignsOrAggregates)
{
try
{
ValidateIFCRelAssignsOrAggregates(ifcRelAssignsOrAggregates);
}
catch
{
//LOG: ERROR: Couldn't find valid IfcRelAssignsToGroup for IfcGroup.
return(null);
}
HashSet <IFCAnyHandle> relatedObjects = IFCAnyHandleUtil.GetAggregateInstanceAttribute
<HashSet <IFCAnyHandle> >(ifcRelAssignsOrAggregates, "RelatedObjects");
// Receiving apps need to decide whether to post an error or not.
if (relatedObjects == null)
{
return(null);
}
ICollection <IFCObjectDefinition> relatedObjectSet = new HashSet <IFCObjectDefinition>();
// If relatedTo is an IFCGroup then it will be added to the list of group that the relatedObject is assigned to.
// else it will become the relatedObject's composing object
bool relatedIsGroup = relatedTo is IFCGroup;
foreach (IFCAnyHandle relatedObject in relatedObjects)
{
if (relatedObject.Id == relatedTo.Id)
{
Importer.TheLog.LogError(ifcRelAssignsOrAggregates.Id, "An objected is related to itself, ignoring.", false);
continue;
}
IFCObjectDefinition objectDefinition = IFCObjectDefinition.ProcessIFCObjectDefinition(relatedObject);
if (objectDefinition != null)
{
if (relatedIsGroup)
{
objectDefinition.AssignmentGroups.Add(relatedTo as IFCGroup);
}
else
{
objectDefinition.Decomposes = relatedTo;
}
relatedObjectSet.Add(objectDefinition);
}
}
return(relatedObjectSet);
}