List <IMemberBinder> CreateMemberBinders(IDbContext dbContext)
{
ObjectMemberMapper mapper = this.ConstructorDescriptor.GetEntityMemberMapper();
List <IMemberBinder> memberBinders = new List <IMemberBinder>(this.PrimitiveMembers.Count + this.ComplexMembers.Count + this.CollectionMembers.Count);
foreach (var kv in this.PrimitiveMembers)
{
MRMTuple mrmTuple = mapper.GetMappingMemberMapper(kv.Key);
PrimitiveMemberBinder binder = new PrimitiveMemberBinder(kv.Key, mrmTuple, kv.Value);
memberBinders.Add(binder);
}
foreach (var kv in this.ComplexMembers)
{
MemberValueSetter setter = mapper.GetMemberSetter(kv.Key);
IObjectActivator memberActivtor = kv.Value.CreateObjectActivator(dbContext);
ComplexMemberBinder binder = new ComplexMemberBinder(setter, memberActivtor);
memberBinders.Add(binder);
}
foreach (var kv in this.CollectionMembers)
{
MemberValueSetter setter = mapper.GetMemberSetter(kv.Key);
IObjectActivator memberActivtor = kv.Value.CreateObjectActivator(dbContext);
CollectionMemberBinder binder = new CollectionMemberBinder(setter, memberActivtor);
memberBinders.Add(binder);
}
return(memberBinders);
}
public ObjectMemberMapper GetEntityMemberMapper()
{
ObjectMemberMapper mapper = null;
if (null == this._mapper)
{
this._mapper = ObjectMemberMapper.GetInstance(this.ConstructorInfo.DeclaringType);
}
mapper = this._mapper;
return(mapper);
}
static ComplexObjectActivator CreateObjectActivator(Type type, IDataReader reader)
{
ConstructorInfo constructor = type.GetConstructor(Type.EmptyTypes);
if (constructor == null)
{
throw new ArgumentException(string.Format("The type of '{0}' does't define a none parameter constructor.", type.FullName));
}
ConstructorDescriptor constructorDescriptor = ConstructorDescriptor.GetInstance(constructor);
ObjectMemberMapper mapper = constructorDescriptor.GetEntityMemberMapper();
InstanceCreator instanceCreator = constructorDescriptor.GetInstanceCreator();
List <IMemberBinder> memberBinders = PrepareMemberBinders(type, reader, mapper);
ComplexObjectActivator objectActivator = new ComplexObjectActivator(instanceCreator, new List <IObjectActivator>(), memberBinders, null);
objectActivator.Prepare(reader);
return(objectActivator);
}
static List <IMemberBinder> PrepareMemberBinders(Type type, IDataReader reader, ObjectMemberMapper mapper)
{
List <IMemberBinder> memberBinders = new List <IMemberBinder>(reader.FieldCount);
MemberInfo[] properties = type.GetProperties(BindingFlags.Public | BindingFlags.Instance | BindingFlags.SetProperty);
MemberInfo[] fields = type.GetFields(BindingFlags.Public | BindingFlags.Instance | BindingFlags.SetField);
List <MemberInfo> members = new List <MemberInfo>(properties.Length + fields.Length);
members.AddRange(properties);
members.AddRange(fields);
TypeDescriptor typeDescriptor = EntityTypeContainer.TryGetDescriptor(type);
for (int i = 0; i < reader.FieldCount; i++)
{
string name = reader.GetName(i);
MemberInfo mapMember = TryGetMapMember(members, name, typeDescriptor);
if (mapMember == null)
{
continue;
}
MRMTuple mMapperTuple = mapper.GetMappingMemberMapper(mapMember);
if (mMapperTuple == null)
{
continue;
}
PrimitiveMemberBinder memberBinder = new PrimitiveMemberBinder(mapMember, mMapperTuple, i);
memberBinders.Add(memberBinder);
}
return(memberBinders);
}
