/// <summary>
/// 根据结点数据计算最终条件表达式的值
/// </summary>
/// <param name="item">高级查询对象</param>
/// <returns>二元组</returns>
Tuple <string, object[]> CalcFinalExpr(AdvQueryItem item)
{
//检查查询项数据
if (item == null || item.Nodes == null)
{
return(null);
}
if (!item.Nodes.Exists(t => t.ParentId == 0))
{
return(null);
}
string whereExp = "";
IList <object> parameters = new List <object>();
//查询到根节点。
AdvQueryNode rootNode = item.Nodes.FirstOrDefault(t => t.ParentId == 0);
//生成ODT模型的对象
object odtObj = RefHelper.LoadClass(item.ModelName);
ProcessQueryNode(rootNode, item, odtObj, ref whereExp, ref parameters);
//是否有查询条件
if (parameters.Count == 0)
{
return(null);
}
Tuple <string, object[]> result = new Tuple <string, object[]>(whereExp, parameters.ToArray());
return(result);
}
private IResultFilter CreaterInnerFilter(Type _queryType)
{
string typeName = _queryType.AssemblyQualifiedName;
//RefHelper.LoadType(
// "Jurassic.CommonModels.EFProvider.OrgEFAuditDataService`1[[Jurassic.CommonModels.Organization.Dep_Department, Jurassic.CommonModels]],Jurassic.CommonModels.EFProvider"));
return(RefHelper.LoadClass("Jurassic.WebQuery.AdvQueryFilterWrapper`1[[" + typeName + "]], Jurassic.WebQuery")
as IResultFilter);
}
