public override IEnumerable <RelationEndPointID> GetOppositeRelationEndPointIDs()
{
var oppositeEndPointDefinition = Definition.GetOppositeEndPointDefinition();
Assertion.IsFalse(oppositeEndPointDefinition.IsAnonymous);
return(from oppositeDomainObject in _loadState.GetData(this)
select RelationEndPointID.Create(oppositeDomainObject.ID, oppositeEndPointDefinition));
}
public RelationEndPointID GetOppositeRelationEndPointID()
{
var oppositeEndPointDefinition = Definition.GetOppositeEndPointDefinition();
if (oppositeEndPointDefinition.IsAnonymous)
{
return(null);
}
var oppositeEndPointID = RelationEndPointID.Create(OppositeObjectID, oppositeEndPointDefinition);
return(oppositeEndPointID);
}
public static T GetEndPointWithOppositeDefinition <T> (this IRelationEndPoint endPoint, ObjectID oppositeObjectID) where T : IRelationEndPoint
{
ArgumentUtility.CheckNotNull("endPoint", endPoint);
var oppositeDefinition = endPoint.Definition.GetOppositeEndPointDefinition();
var id = RelationEndPointID.Create(oppositeObjectID, oppositeDefinition);
var oppositeEndPoint = endPoint.ClientTransaction.DataManager.GetRelationEndPointWithLazyLoad(id);
if (!(oppositeEndPoint is T))
{
var message = String.Format(
"The opposite end point '{0}' is of type '{1}', not of type '{2}'.",
oppositeEndPoint.ID,
oppositeEndPoint.GetType(),
typeof(T));
throw new InvalidOperationException(message);
}
return((T)oppositeEndPoint);
}