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(*
Copyright © 2011 MLstate
This file is part of OPA.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*)
(*
@author Raja Boujbel
@author Louis Gesbert
**)
open Cps.Ops
module D = Badop.Dialog
module N = Badop_structure.Node_property
module Data = Badop.Data
module Key = Badop_structure.Key
module Path = Badop_structure.Path
module F (Bk: Badop.S) = struct
type database = Bk.database
type transaction = Bk.transaction
type revision = Bk.revision
let node_config = ref []
let open_database options k = Bk.open_database options @> k
let close_database db k = Bk.close_database db @> k
let status db k = Bk.status db @> fun st -> Badop.Layer("Check", st) |> k
module Tr = struct
let start db errk k = Bk.Tr.start db errk @> k
let start_at_revision db rev errk k = Bk.Tr.start_at_revision db rev errk @> k
let prepare tr k = Bk.Tr.prepare tr @> k
let commit tr k = Bk.Tr.commit tr @> k
let abort tr k = Bk.Tr.abort tr @> k
end
type 'which read_op = 'which Bk.read_op
type 'which write_op = 'which Bk.write_op
let read tr path read_op k = Bk.read tr path read_op @> k
let write tr path write_op k =
(match Path.to_list path with
| Key.IntKey 2 :: Key.IntKey (-1) :: []
| Key.IntKey 2 :: Key.IntKey 0 :: [] ->
() (* we don't check schema writing, because first one can't be checked (empty config) *)
| _ ->
(match write_op with
| Badop.Set (D.Query data) ->
let nodeconfig = N.get_node_config path !node_config in
let isok =
match nodeconfig.N.node_type, data with
| N.Int , Data.Int _
| N.Text , Data.Text _
| N.Binary, Data.Binary _
| N.Unit, Data.Unit
| N.Float , Data.Float _ -> true
| _, _ -> false in
if not isok then
(#<If:BADOP_DEBUG>
Printf.eprintf "Type error : node at %s should be %s, not %s\n%!"
(Path.to_string path)
(N.StringOf.node_type nodeconfig.N.node_type)
(Data.to_string data)
#<End>;
assert false);
| _ -> ()));
Bk.write tr path write_op @> k
let write_list trans path_op_list k =
let wr trans (path, op) k =
write trans path op (fun resp -> Badop.Aux.result_transaction resp |> k)
in
Cps.List.fold wr trans path_op_list k
let node_properties db config k =
node_config := config;
Bk.node_properties db config @> k
module Debug = struct
let revision_to_string = Bk.Debug.revision_to_string
end
end
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