/// <summary>
/// 创建运行时记录的表信息，这在关系数据库中体现为创建表
/// 该方法一般用于单元测试
/// </summary>
/// <typeparam name="T"></typeparam>
public static void RuntimeBuild()
{
DataModel.RuntimeBuild();
}
/// <summary>
/// 在数据层中销毁数据模型
/// </summary>
/// <typeparam name="T"></typeparam>
public static void Dispose()
{
DataModel.Drop();
}
/// <summary>
/// 1对多的引用关系的读取
/// </summary>
/// <param name="rootId"></param>
/// <param name="id"></param>
/// <returns></returns>
private object ReadOneToMore(PropertyRepositoryAttribute tip, ParameterRepositoryAttribute prmTip, DomainObject parent, object rootId, object masterId, QueryLevel level)
{
using (var temp = SqlHelper.BorrowDatas())
{
var datas = temp.Item;
QueryRootAndSlaveIds(rootId, masterId, datas);
Type implementType = null;
if (parent == null)
{
//说明还在构造阶段,或者是内部调用
implementType = prmTip?.ImplementType ?? this.Middle.ObjectType; //middle表对应的是属性的基类类型
}
else
{
implementType = this.Middle.ObjectType; //middle表对应的是属性的基类类型
}
var list = CreateList(parent, implementType, tip.Property);
var elementType = this.Middle.ElementType;
if (this.Type == DataTableType.AggregateRoot)
{
//引用了多个外部内聚根
var model = DataModel.Create(elementType);
var root = model.Root;
var slaveIdName = GeneratedField.SlaveIdName;
var slaveTip = root.ObjectTip;
var queryLevel = GetQueryAggreateRootLevel(level);
if (slaveTip.Snapshot) //如果外部内聚根是有快照的，那么当数据不存在时，加载快照
{
foreach (var data in datas)
{
var slaveId = data.Get(slaveIdName);
var item = root.QuerySingle(slaveId, queryLevel);
if (((IDomainObject)item).IsEmpty())
{
//加载快照
item = model.Snapshot.QuerySingle(slaveId, QueryLevel.None);
}
list.Add(item);
}
}
else
{
foreach (var data in datas)
{
var slaveId = data.Get(slaveIdName);
var item = root.QuerySingle(slaveId, queryLevel);
if (!((IDomainObject)item).IsEmpty())
{
list.Add(item);
}
}
}
}
else
{
var slaveIdName = GeneratedField.SlaveIdName;
foreach (var data in datas)
{
var slaveId = data.Get(slaveIdName);
var item = this.QuerySingle(rootId, slaveId);
if (!((IDomainObject)item).IsEmpty())
{
list.Add(item);
}
}
}
return(list);
}
}
