/// <summary>
/// 查询并填充子类信息
/// </summary>
/// <param name="pks"></param>
/// <param name="mappingInfo"></param>
/// <param name="dicEntity"></param>
/// <param name="dao"></param>
/// <param name="lstParamNames"></param>
/// <param name="db"></param>
/// <param name="curObjs"></param>
/// <param name="filter"></param>
private static void FillChildReader(Queue <object> pks, EntityMappingInfo mappingInfo, Dictionary <string, List <object> > dicEntity, BQLDbBase dao,
ref List <EntityPropertyInfo> lstParamNames, DBInfo db, Queue <object> curObjs, ScopeList filter)
{
EntityInfoHandle childInfo = mappingInfo.TargetProperty.BelongInfo;
string fullName = mappingInfo.TargetProperty.BelongInfo.EntityType.FullName;
Type childType = mappingInfo.TargetProperty.BelongInfo.EntityType;
List <object> senders = null;
while (pks.Count > 0)
{
Queue <object> searchPks = GetSearchPKs(pks);
if (searchPks.Count <= 0)
{
break;
}
ScopeList lstScope = new ScopeList();
lstScope.AddScopeList(filter);
lstScope.AddIn(mappingInfo.TargetProperty.PropertyName, searchPks);
using (IDataReader reader = dao.QueryReader(lstScope, childInfo.EntityType))
{
//获取子表的get列表
if (lstParamNames == null)
{
lstParamNames = CacheReader.GenerateCache(reader, childInfo);//创建一个缓存数值列表
}
while (reader.Read())
{
string fk = reader[mappingInfo.TargetProperty.ParamName].ToString();
if (!dicEntity.TryGetValue(fk, out senders))
{
continue;
}
object obj = childInfo.CreateSelectProxyInstance();
if (curObjs != null)
{
curObjs.Enqueue(obj);
}
CacheReader.FillObjectFromReader(reader, lstParamNames, obj, db);
foreach (object sender in senders)
{
if (mappingInfo.IsParent)
{
mappingInfo.SetValue(sender, obj);
}
else
{
IList lst = (IList)mappingInfo.GetValue(sender);
lst.Add(obj);
}
}
}
}
}
}
/// <summary>
/// 更新子属性
/// </summary>
/// <param name="mapInfo"></param>
private string UpdateChildProperty(EntityBase entity)
{
object parentObject = _mapInfo.GetValue(entity);
object pkValue = null;
if (parentObject != null)
{
pkValue = _mapInfo.TargetProperty.GetValue(parentObject);//获取ID
}
else
{
pkValue = _mapInfo.SourceProperty.FieldType.IsValueType ? Activator.CreateInstance(_mapInfo.SourceProperty.FieldType) : null;
}
_mapInfo.SourceProperty.SetValue(entity, pkValue);
return(_mapInfo.TargetProperty.PropertyName);
}
/// <summary>
/// 填充字类列表
/// </summary>
/// <param name="pks">ID集合</param>
/// <param name="childHandle">子元素的信息句柄</param>
/// <param name="mappingInfo">映射信息</param>
/// <param name="dicElement">元素</param>
private static void FillChilds(object pk, EntityInfoHandle childHandle, EntityMappingInfo mappingInfo,
EntityBase sender, string propertyName)
{
EntityInfoHandle childInfo = mappingInfo.TargetProperty.BelongInfo;
DBInfo db = childInfo.DBInfo;
DataBaseOperate oper = childHandle.DBInfo.DefaultOperate;
BQLDbBase dao = new BQLDbBase(oper);
ScopeList lstScope = new ScopeList();
sender.OnFillChild(propertyName, lstScope);
lstScope.AddEqual(mappingInfo.TargetProperty.PropertyName, pk);
IDataReader reader = dao.QueryReader(lstScope, childInfo.EntityType);
try
{
string fullName = mappingInfo.TargetProperty.BelongInfo.EntityType.FullName;
Type childType = mappingInfo.TargetProperty.BelongInfo.EntityType;
//获取子表的get列表
List <EntityPropertyInfo> lstParamNames = CacheReader.GenerateCache(reader, childInfo);//创建一个缓存数值列表
IList lst = (IList)mappingInfo.GetValue(sender);
while (reader.Read())
{
object obj = childInfo.CreateSelectProxyInstance();
//string fk = reader[mappingInfo.TargetProperty.ParamName].ToString();
CacheReader.FillObjectFromReader(reader, lstParamNames, obj, db);
lst.Add(obj);
}
}
finally
{
reader.Close();
oper.AutoClose();
}
}
