/// <summary>
/// 获取集合类型的数据字段
/// </summary>
/// <param name="propertyName"></param>
/// <param name="propertyType"></param>
/// <returns></returns>
private bool TryGetListField(PropertyRepositoryAttribute attribute, bool isSnapshot, ref IDataField result)
{
var elementType = attribute.GetElementType();
if (DomainObject.IsValueObject(elementType))
{
//值对象
var field = new ValueObjectListField(attribute);
//当值对象A引用了值对象A时，会造成死循环
//var mapper = DataMapperFactory.Create(elementType);
//var childs = mapper.GetObjectFields(elementType, isSnapshot);
//field.AddChilds(childs);
result = field;
return(true);
}
else if (DomainObject.IsAggregateRoot(elementType))
{
//引用了根对象
var field = new AggregateRootListField(attribute);
result = field;
return(true);
}
else if (DomainObject.IsEntityObject(elementType))
{
//引用了内部实体对象
var field = new EntityObjectListField(attribute);
//当成员对象A引用了成员对象A时，会造成死循环
//var mapper = DataMapperFactory.Create(elementType);
//var childs = mapper.GetObjectFields(elementType, isSnapshot);
//field.AddChilds(childs);
result = field;
return(true);
}
else if (elementType.IsList())
{
throw new DomainDesignException(Strings.NestedCollection);
}
else
{
//值集合
var field = new ValueListField(attribute);
result = field;
return(true);
}
}
private void InitObjectType(Type objectType, PropertyRepositoryAttribute tip)
{
this.ObjectType = objectType;
if (this.Type == DataTableType.Middle)
{
this.ElementType = tip.GetElementType();
}
else if (this.Type == DataTableType.AggregateRoot)
{
this.ObjectTip = ObjectRepositoryAttribute.GetTip(this.ObjectType, true);
}
else
{
//对于值对象和引用对象，如果没有定义ObjectRepositoryAttribute，那么使用根的ObjectRepositoryAttribute
this.ObjectTip = ObjectRepositoryAttribute.GetTip(this.ObjectType, false);
if (this.ObjectTip == null)
{
this.ObjectTip = this.Root.ObjectTip;
}
}
}
public ValueListField(PropertyRepositoryAttribute attribute)
: base(attribute)
{
this.ValueType = attribute.GetElementType();
}