Exemplo n.º 1
0
 public object CreateInstance(IDataReader reader)
 {
     try
     {
         return(_fn(reader, _readerOrdinal));
     }
     catch (Exception ex)
     {
         throw new ChloeException(ObjectActivator.AppendErrorMsg(reader, this._readerOrdinal, ex), ex);
     }
 }
Exemplo n.º 2
0
        public IObjectActivator CreateObjectActivator(IDbContext dbContext)
        {
            EntityMemberMapper mapper = this.ConstructorDescriptor.GetEntityMemberMapper();
            List<IValueSetter> memberSetters = new List<IValueSetter>(this.Members.Count + this.EntityMembers.Count);
            foreach (var kv in this.Members)
            {
                IMRM mMapper = mapper.GetMemberMapper(kv.Key);
                MappingMemberBinder binder = new MappingMemberBinder(mMapper, kv.Value);
                memberSetters.Add(binder);
            }

            foreach (var kv in this.EntityMembers)
            {
                Action<object, object> del = mapper.GetNavigationMemberSetter(kv.Key);
                IObjectActivator memberActivtor = kv.Value.CreateObjectActivator();
                NavigationMemberBinder binder = new NavigationMemberBinder(del, memberActivtor);
                memberSetters.Add(binder);
            }

            Func<IDataReader, ReaderOrdinalEnumerator, ObjectActivatorEnumerator, object> instanceCreator = this.ConstructorDescriptor.GetInstanceCreator();

            List<int> readerOrdinals = this.ConstructorParameters.Select(a => a.Value).ToList();
            List<IObjectActivator> objectActivators = this.ConstructorEntityParameters.Select(a => a.Value.CreateObjectActivator()).ToList();

            ObjectActivator ret;
            if (dbContext != null)
                ret = new ObjectActivatorWithTracking(instanceCreator, readerOrdinals, objectActivators, memberSetters, this.CheckNullOrdinal, dbContext);
            else
                ret = new ObjectActivator(instanceCreator, readerOrdinals, objectActivators, memberSetters, this.CheckNullOrdinal);

            return ret;
        }