internal RelationshipEntry(ObjectStateManager cache, EntityState state, RelationshipWrapper relationshipWrapper)
: base(cache, null, state)
{
Debug.Assert(null != relationshipWrapper, "null RelationshipWrapper");
Debug.Assert(EntityState.Added == state ||
EntityState.Unchanged == state ||
EntityState.Deleted == state,
"invalid EntityState");
base._entitySet = relationshipWrapper.AssociationSet;
_relationshipWrapper = relationshipWrapper;
}
/// <summary>
/// Update one of the ends of the relationship
/// </summary>
internal void ChangeRelatedEnd(EntityKey oldKey, EntityKey newKey)
{
if (oldKey.Equals(Key0))
{
if (oldKey.Equals(Key1))
{ // self-reference
RelationshipWrapper = new RelationshipWrapper(RelationshipWrapper.AssociationSet, newKey);
}
else
{
RelationshipWrapper = new RelationshipWrapper(RelationshipWrapper, 0, newKey);
}
}
else
{
RelationshipWrapper = new RelationshipWrapper(RelationshipWrapper, 1, newKey);
}
}
override internal void Reset()
{
_relationshipWrapper = null;
base.Reset();
}
