public static StructType ConvertFromCellDescriptor(ICellDescriptor cd)
{
if (cd == null)
{
return(null);
}
var fields = new List <StructField>();
fields.Add(new StructField
{
Name = "CellID",
Type = new DataType {
TypeName = typeof(long).FullName
},
Nullable = false
});
fields.AddRange(cd.GetFieldDescriptors().Select(fd => StructField.ConvertFromFieldDescriptor(fd)));
return(new StructType
{
TypeName = typeof(StructType).Name,
Fields = fields
});
}
public ICell ImportEntity(string type, string line, long?parent_id)
{
ICell cell = Global.LocalStorage.NewGenericCell(type);
JObject jobj = JObject.Parse(line);
ICellDescriptor cell_desc = Importer.s_cellTypes[type];
long? cellid = null;
List <Action> tree_imports = new List <Action>();
foreach (var fd in cell_desc.GetFieldDescriptors())
{
string field_name = fd.Name;
JToken field_content = null;
bool field_exist = jobj.TryGetValue(field_name, out field_content);
string treeimport = fd.GetAttributeValue(Consts.c_KW_TreeImport);
bool optional = fd.Optional;
bool is_parent = fd.GetAttributeValue(Consts.c_KW_TreeParent) != null;
bool is_rev_import = fd.GetAttributeValue(Consts.c_KW_ReverseEdgeImport) != null;
if (!field_exist && !is_parent)
{
if (optional || is_rev_import)
{
continue;
}
else
{
throw new ImporterException("Non-optional field {0}.{1} not found on entity: {2}", type, field_name, line);
}
}
if (fd.GetAttributeValue(Consts.c_KW_HashImport) != null)
{
ProcessCellIdOrCellIdListField(type, cell, fd, field_name, optional, field_content, Hash);
}
else if (fd.GetAttributeValue(Consts.c_KW_CellIdKey) != null)
{
cell.SetField(field_name, field_content.ToString());
cellid = Hash(field_content, fd);
}
else if (treeimport != null)
{
// process this later so we're confident about cell id
tree_imports.Add(() =>
{
ProcessCellIdOrCellIdListField(type, cell, fd, field_name, optional, field_content, (c, _) =>
{
var sub_cell = ImportEntity(treeimport, c.ToString(), cellid);
return(sub_cell.CellId);
});
});
}
else if (is_parent)
{
cell.SetField(field_name, parent_id.Value);
}
else
{
cell.SetField(field_name, field_content.ToString());
}
}
tree_imports.ForEach(_ => _());
if (cellid == null)
{
cellid = CellIdFactory.NewCellId();
}
cell.CellId = cellid.Value;
if (parent_id != null)
{
var parent_fd = cell_desc.GetFieldDescriptors().Where(fd => fd.GetAttributeValue(Consts.c_KW_TreeParent) != null).First();
}
// TODO check for duplicate records.
// TODO in a distributed setting we cannot save to local storage like this.
Global.LocalStorage.SaveGenericCell(cell);
return(cell);
}
private static Dictionary <string, IFieldDescriptor> GetFieldDescriptors(string type)
{
ICellDescriptor cellDesc = Importer.s_cellTypes[type];
return(cellDesc.GetFieldDescriptors().ToDictionary(_ => _.Name));
}