/// <summary>
/// 构造函数
/// </summary>
/// <param name="corrID"></param>
public IRAPTreeCorr(int corrID)
{
_corrID = -corrID;
db = DBContextFactory.Instance.CreateContext("IRAPContext");
_corrEntity = db.Set <ModelTreeCorrEntity>().FirstOrDefault(c => c.TreeCorrID == corrID);
if (_corrEntity == null)
{
throw new Exception($"第 {corrID} 关联属性不存在！");
}
_classifySet = db.Set <ModelTreeClassfiyEntity>().Where(c => c.TreeID == _corrID);
_transientSet = db.Set <ModelTreeTransient>().Where(c => c.TreeID == _corrID);
_namespaces = db.Set <SysNameSpaceEntity>().Where(c => c.PartitioningKey == 0 && c.LanguageID == 30);
_statusSet = db.Set <ModelTreeStatus>().Where(c => c.TreeID == _corrID);
}
/// <summary>
/// 定义树关联
/// </summary>
/// <param name="treeCorrID">树关联标识，这里是正数</param>
/// <param name="corrAttrTBLName">关联一般属性</param>
/// <param name="corrAttrTBLNameEx">管理扩展一般属性</param>
/// <param name="trees">关联其他树数组</param>
/// <returns></returns>
public IRAPError DefineTreeCorr(int treeCorrID, string corrAttrTBLName, string corrAttrTBLNameEx, params int [] trees)
{
if (trees.Length > 12)
{
throw new Exception("暂不支持这么多关联，目前不能超过12个关联树。");
}
//short maxID = _treeCorrSet.Max(c => c.TreeCorrID);
var treeCorrEntity = _treeCorrSet.FirstOrDefault(c => c.TreeCorrID == treeCorrID);
if (treeCorrEntity == null)
{
//新增
ModelTreeCorrEntity e = new ModelTreeCorrEntity()
{
TreeCorrID = (short)treeCorrID,
CorrAttrTBLName = corrAttrTBLName,
CorrAttrTBLNameEx = corrAttrTBLNameEx
};
Type Ts = e.GetType();
for (int i = 0; i < trees.Length; i++)
{
int j = i + 1;
string fname = "TreeID" + (j < 10 ? "0" + j.ToString() : j.ToString());
object v2 = Convert.ChangeType(trees[i], Ts.GetProperty(fname).PropertyType);
Ts.GetProperty(fname).SetValue(e, v2, null);
}
_treeCorrSet.Add(e);
}
else
{
//修改
treeCorrEntity.CorrAttrTBLName = corrAttrTBLName;
treeCorrEntity.CorrAttrTBLNameEx = corrAttrTBLNameEx;
Type Ts = treeCorrEntity.GetType();
for (int i = 0; i < trees.Length; i++)
{
int j = i + 1;
string fname = "TreeID" + (j < 10 ? "0" + j.ToString() : j.ToString());
object v2 = Convert.ChangeType(trees[i], Ts.GetProperty(fname).PropertyType);
Ts.GetProperty(fname).SetValue(treeCorrEntity, v2, null);
}
}
db.SaveChanges();
return(new IRAPError(0, "定义树关联成功！"));
}