public override object TransformData(IFreeDocument datas)
{
object item = datas[Column];
IDataBaseConnector con = ConnectorSelector.SelectItem;
if (con == null)
{
return(null);
}
TableInfo table = TableSelector.SelectItem;
if (table == null)
{
return(null);
}
var keys = KeyName.Split(' ');
var query = keys.ToDictionary(d => d, d => datas[d]);
if (IsMutliDatas)
{
var r = con.TryFindEntities(table.Name, query, null, -1,
SearchStrategy);
if (r.Any() == false)
{
return(null);
}
var dicts = r.Select(d => d.DictSerialize()).ToList();
foreach (string importColumn in ImportColumns)
{
List <object> res = new List <object>();
for (int i = 0; i < dicts.Count; i++)
{
res.Add(dicts[i][importColumn]);
}
if (res.Count != 0)
{
datas.SetValue(importColumn, res);
}
}
}
else
{
var r = con.TryFindEntities(table.Name, query, null, 1, SearchStrategy).FirstOrDefault();
if (r == null)
{
return(null);
}
FreeDocument dict = r.DictSerialize();
foreach (string importColumn in ImportColumns)
{
datas.SetValue(importColumn, dict[importColumn]);
}
}
return(null);
}
