internal void Clone(EntityTreeChildren source, CloneOptions options)
{
_loaded = source._loaded;
if (_loaded)
{
var srcNodes = source._nodes;
if (srcNodes != null)
{
_nodes = new List <Entity>();
var repo = _owner.FindRepository();
var entityType = _owner.GetType();
for (int i = 0, c = srcNodes.Count; i < c; i++)
{
var src = srcNodes[i];
Entity entity = null;
if (repo != null)
{
entity = repo.New();
}
else
{
entity = Entity.New(entityType);
}
entity.Clone(src, options);
entity._treeParent = _owner;
_nodes.Add(entity);
}
}
}
}
/// <summary>
/// 创建一个新的实体。
///
/// 如果在已经获取 Repository 的场景下，使用本方法返回的实体会设置好内部的 Repository 属性，
/// 这会使得 FindRepository、GetRepository 方法更加快速。
/// </summary>
/// <returns></returns>
public Entity New()
{
var entity = Entity.New(this.EntityType);
this.NotifyLoaded(entity);
return(entity);
}
//…… 其它查询方法的重写暂缓
#endregion
internal Entity FromRow(Entity row)
{
var entity = Entity.New(row.GetType());
this.MemoryClone(row, entity);
entity.PersistenceStatus = PersistenceStatus.Unchanged;
return(entity);
//return row;
}
/// <summary>
/// 把一行数据转换为一个实体。
/// </summary>
/// <param name="row"></param>
/// <returns></returns>
Entity IRepositoryInternal.ConvertRow(Entity row)
{
var entity = Entity.New(row.GetType());
entity.PersistenceStatus = PersistenceStatus.Unchanged;
//返回的子对象的属性只是简单的完全Copy参数data的数据。
entity.Clone(row, CloneOptions.ReadDbRow());
this.NotifyLoaded(entity);
return(entity);
}
/// <summary>
/// 把一行数据转换为一个实体。
/// </summary>
/// <param name="row"></param>
/// <returns></returns>
Entity IRepositoryInternal.ConvertRow(Entity row)
{
var entity = Entity.New(row.GetType());
//返回的子对象的属性只是简单的完全Copy参数data的数据。
var opt = CloneOptions.ReadDbRow();
opt.Method = CloneValueMethod.LoadProperty;
entity.Clone(row, opt);
entity.PersistenceStatus = PersistenceStatus.Unchanged;
this.NotifyLoaded(entity);
return(entity);
}
internal void Clone(EntityTreeChildren source, CloneOptions options)
{
_loaded = source._loaded;
if (_loaded)
{
var srcNodes = source._nodes;
if (srcNodes != null)
{
_nodes = new List <Entity>();
var repo = _owner.FindRepository();
var entityType = _owner.GetType();
for (int i = 0, c = srcNodes.Count; i < c; i++)
{
var src = srcNodes[i];
Entity entity = null;
if (repo != null)
{
entity = repo.New();
}
else
{
entity = Entity.New(entityType);
}
/*修复Entitylist使用TreeChildren属性Clone时TreeIndex错误问题
*原因是TreeChildren中实体Clone时会TreePId改变触发OnTreePIdChanged事件，
* OnTreePIdChanged事件中会处理entity._treeParent为空并且
* _treeParent.Id不等于新的克隆值时，需要重新设置TreeParent值
* 导致设置TreeIndex错误
* 所以需要entity克隆前设置_treeParent的值为 source._owner
*/
entity._treeParent = source._owner;
entity.Clone(src, options);
entity._treeParent = _owner;
_nodes.Add(entity);
}
}
}
}
