private static void DoFillEntity(IEntityDataSource ds, Object obj, Type type, string prefix)
{
//装载属性的值——简单类型BaseType的
foreach (string columnName in ds)
{
string mappingName = columnName.ToUpper();
if (!String.IsNullOrEmpty(prefix))
{
if (mappingName.StartsWith(prefix.ToUpper()))
{
mappingName = mappingName.Substring(prefix.Length);
}
}
if (String.IsNullOrEmpty(prefix))
{
prefix = string.Empty;
}
PropertyDataBindingInfo propertyBindingInfo = GetPropertyInfo(type, mappingName);
if (propertyBindingInfo == null || columnName.ToUpper() != (prefix.ToUpper() + mappingName))
{
continue;
}
if (ds[columnName] != DBNull.Value && ValidateData(propertyBindingInfo, ds[columnName]))
{
Object val = ds[columnName];
if (propertyBindingInfo.PropertyInfo.PropertyType == typeof(string))
{
val = val.ToString().Trim();
}
propertyBindingInfo.PropertyInfo.SetValue(obj, val, null);
}
else if (ds[columnName] == DBNull.Value && ValidateData(propertyBindingInfo, ds[columnName]) && propertyBindingInfo.PropertyInfo.PropertyType == typeof(string))
{
//这个是对String类型的特殊处理，防止为null，其他的都以默认值展示
propertyBindingInfo.PropertyInfo.SetValue(obj, string.Empty, null);
}
}
// fill referenced objects
List <ReferencedTypeBindingInfo> refList = GetReferenceObjects(type);
foreach (ReferencedTypeBindingInfo refObj in refList)
{
if (refObj.Type is IList)
{
refObj.PropertyInfo.SetValue(obj, BuildEntityList(ds, refObj.Type, refObj.Prefix), null);
}
else
{
refObj.PropertyInfo.SetValue(obj, BuildEntity(ds, refObj.Type, refObj.Prefix), null);
}
}
}
private static void DoFillEntity(IEntityDataSource ds, object obj, Type type, string prefix)
{
// fill properties
foreach (string columnName in ds)
{
string mappingName;
mappingName = columnName.ToUpper();
if (!String.IsNullOrEmpty(prefix))
{
if (mappingName.StartsWith(prefix.ToUpper()))
{
mappingName = mappingName.Substring(prefix.Length);
}
}
if (String.IsNullOrEmpty(prefix))
{
prefix = string.Empty;
}
PropertyDataBindingInfo propertyBindingInfo = GetPropertyInfo(type, mappingName);
if (propertyBindingInfo == null || columnName.ToUpper() != (prefix.ToUpper() + mappingName))
{
continue;
}
if (ds[columnName] != DBNull.Value && ValidateData(propertyBindingInfo, ds[columnName]))
{
propertyBindingInfo.PropertyInfo.SetValue(obj, GetPropertyValue(propertyBindingInfo, ds[columnName], type), null);
}
}
// fill referenced objects
List <ReferencedTypeBindingInfo> refList = GetReferenceObjects(type);
foreach (ReferencedTypeBindingInfo refObj in refList)
{
if (TryFill(ds, refObj))
{
refObj.PropertyInfo.SetValue(obj, BuildEntity(ds, refObj.Type, refObj.Prefix), null);
}
}
}
private static object GetPropertyValue(PropertyDataBindingInfo propertyBindingInfo, object val, Type type)
{
if (propertyBindingInfo.PropertyInfo.PropertyType == typeof(string))
{
return(val.ToString().Trim());
}
// check the rate
if (propertyBindingInfo.PropertyInfo.PropertyType == typeof(decimal) && propertyBindingInfo.DataMapping.CaculatorType != null)
{
IMoneyCalculator cal = GetMoneyCalculator(propertyBindingInfo.DataMapping.CaculatorType);
if (cal != null)
{
val = cal.Calculate((decimal)val);
}
else
{
throw new Exception("XFramework.DB实例对象Mapping时异常,异常信息：" + string.Format("Mapping对象:{0}；属性名称：{1}；计算类型：{2}", type.FullName, propertyBindingInfo.PropertyInfo.Name, propertyBindingInfo.DataMapping.CaculatorType.FullName));
}
}
return(val);
}
private static bool ValidateData(PropertyDataBindingInfo bindingInfo, Object dbValue)
{
//todo: implements in AOP?
return(true);
}
/// <summary>
/// Validate data binding info.
/// Note: type checking is skipped here.
/// </summary>
/// <param name="bindingInfo"></param>
/// <param name="dbValue"></param>
/// <returns></returns>
private static bool ValidateData(PropertyDataBindingInfo bindingInfo, object value)
{
return(true);
}
