internal void SetNextRelationshipEnd(EntityKey entityKey, RelationshipEntry nextEnd)
{
DebugCheck.NotNull((object)entityKey);
Debug.Assert(entityKey.Equals(Key0) || entityKey.Equals(Key1), "EntityKey mismatch");
if (entityKey.Equals(Key0))
{
NextKey0 = nextEnd;
}
else
{
NextKey1 = nextEnd;
}
}
/// <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);
}
}
internal RelationshipEntry GetNextRelationshipEnd(EntityKey entityKey)
{
DebugCheck.NotNull((object)entityKey);
Debug.Assert(entityKey.Equals(Key0) || entityKey.Equals(Key1), "EntityKey mismatch");
return (entityKey.Equals(Key0) ? NextKey0 : NextKey1);
}
internal RelationshipEntry GetNextRelationshipEnd(EntityKey entityKey)
{
DebugCheck.NotNull((object)entityKey);
Debug.Assert(entityKey.Equals(Key0) || entityKey.Equals(Key1), "EntityKey mismatch");
return(entityKey.Equals(Key0) ? NextKey0 : NextKey1);
}