//创建一个验证信息。
private PropertyValidatedInfo createInfo(Expression <Func <T, object> > columnName, out PropertyInfo colInfo)
{
var colName = MB.Util.Expressions.ExpressionHelper.GetPropertyName <T>(columnName);
if (string.IsNullOrEmpty(colName))
{
throw new MB.Util.APPException(string.Format("根据表达式{0} 获取不到属性的名称,请检查", columnName), Util.APPMessageType.SysErrInfo);
}
if (this.ContainsKey(colName))
{
throw new MB.Util.APPException(string.Format("当前集合中已经包含属性{0}", colName), Util.APPMessageType.SysErrInfo);
}
var temp = typeof(T).GetProperty(colName);
if (temp == null)
{
throw new MB.Util.APPException(string.Format("根据表达式{0} 获取不到属性的名称,请检查是否为public property", columnName), Util.APPMessageType.SysErrInfo);
}
colInfo = temp;
var newInfo = new PropertyValidatedInfo()
{
Name = colName
};
this.Add(colInfo.Name, newInfo);
if (_CreateAC)
{
Util.Emit.DynamicPropertyAccessor ac = new Util.Emit.DynamicPropertyAccessor(typeof(T), colInfo);
_QuickDataAccess[colInfo.Name] = ac;
}
return(newInfo);
}
/// <summary>
/// 批量刷新待存储的实体对象的主键，如果是主表的话要注意子表是否有关联。
/// 特殊说明：不建议刷新主表的主键。
/// 主键名称只支持名称为 ID; if (entity.GetType().IsSubclassOf(typeof(MB.Orm.Common.BaseModel))) {
/// </summary>
/// <param name="dataInDocType">需要刷新主键的实体类型。</param>
protected virtual void BatchSettingNewEntityID(int dataInDocType)
{
var entitys = from item in _ObjectDataList.Values
where (item.ObjectData as MB.Orm.Common.BaseModel) != null &&
((MB.Orm.Common.BaseModel)item.ObjectData).EntityState == EntityState.New &&
(int)item.DataInDocType == dataInDocType
select item.ObjectData;
int count = entitys.Count();
if (count > 0)
{
int ids = this.GetCreateNewEntityIds(dataInDocType, count);
MB.Util.Emit.DynamicPropertyAccessor ac = new Util.Emit.DynamicPropertyAccessor(entitys.First().GetType(), "ID");
foreach (var entity in entitys)
{
ac.Set(entity, ids++);
}
}
}
