/// <summary>
/// 该方法用于保存数据后，更新基表的信息
/// </summary>
/// <param name="root"></param>
/// <param name="obj"></param>
private void OnDataInsert(DomainObject root, DomainObject obj, DynamicData objData)
{
SetDataProxy(obj, objData);//对于保存的对象，我们依然要同步数据代理
obj.MarkClean();
if (this.Type == DataTableType.AggregateRoot)
{
var ar = (IAggregateRoot)obj;
DomainBuffer.Add(this.ObjectTip.ObjectType, ar.GetIdentity(), ar);
}
if (this.IsDerived || this.IsDynamic)
{
//如果是派生对象或者动态对象，那么我们需要更新基表信息
var inheritedRoot = this.InheritedRoot;
using (var temp = SqlHelper.BorrowData())
{
var data = temp.Item;
if (this.Type != DataTableType.AggregateRoot)
{
data.Add(this.Root.TableIdName, GetObjectId(root));
}
data.Add(EntityObject.IdPropertyName, GetObjectId(obj));
//修改类型码
var typeKey = this.IsDerived ? this.DerivedClass.TypeKey : this.DynamicType.Define.TypeName;
data.Add(GeneratedField.TypeKeyName, typeKey);
//更改基表的信息
var sql = inheritedRoot.GetUpdateSql(data);
SqlHelper.Execute(inheritedRoot.Name, sql, data);
}
}
}
/// <summary>
/// 从条目数据中获取对象
/// <para>如果加载的对象是聚合根，那么如果存在缓冲区中，那么使用缓冲区的对象，如果不存在，则在数据库中查询并更新缓冲区</para>
/// <para>如果加载的是成员对象，那么始终从数据库中查询</para>
/// <para>不论是什么类型的对象都可以识别继承类型</para>
/// </summary>
/// <returns></returns>
private object GetObjectFromEntry(DynamicData entry, QueryLevel level)
{
if (this.Type == DataTableType.AggregateRoot)
{
object id = entry.Get(EntityObject.IdPropertyName);
int dataVersion = (int)entry.Get(GeneratedField.DataVersionName);
string typeKey = (string)entry.Get(GeneratedField.TypeKeyName);
var table = string.IsNullOrEmpty(typeKey) ? this : GetDataTable(typeKey);
if (level.Code == QueryLevel.MirroringCode)
{
//镜像查询会绕过缓冲区
return(table.LoadObject(id, QueryLevel.None));
}
return(DomainBuffer.GetOrCreate(table.ObjectTip.ObjectType, id, dataVersion, () =>
{
return (IAggregateRoot)table.LoadObject(id, QueryLevel.None); //由于查询条目的时候已经锁了数据，所以此处不用再锁定
}));
}
else
{
object rootId = entry.Get(this.Root.TableIdName);
object id = entry.Get(EntityObject.IdPropertyName);
int dataVersion = (int)entry.Get(GeneratedField.DataVersionName);
string typeKey = (string)entry.Get(GeneratedField.TypeKeyName);
var table = string.IsNullOrEmpty(typeKey) ? this : GetDataTable(typeKey);
//非聚合根是不能被加入到缓冲区的
return(table.LoadObject(rootId, id));
}
}
/// <summary>
/// 该方法用于删除数据后的补充操作
/// </summary>
/// <param name="obj"></param>
private void OnDataDelete(object rootId, object id, DomainObject obj)
{
//从缓冲区中删除对象
if (this.Type == DataTableType.AggregateRoot)
{
DomainBuffer.Remove(this.ObjectTip.ObjectType, rootId);
}
}
