| 1 |
|
%% Copyright (c) 2023 Peter Morgan <peter.james.morgan@gmail.com> |
| 2 |
|
%% |
| 3 |
|
%% Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 |
|
%% you may not use this file except in compliance with the License. |
| 5 |
|
%% You may obtain a copy of the License at |
| 6 |
|
%% |
| 7 |
|
%% http://www.apache.org/licenses/LICENSE-2.0 |
| 8 |
|
%% |
| 9 |
|
%% Unless required by applicable law or agreed to in writing, software |
| 10 |
|
%% distributed under the License is distributed on an "AS IS" BASIS, |
| 11 |
|
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 |
|
%% See the License for the specific language governing permissions and |
| 13 |
|
%% limitations under the License. |
| 14 |
|
|
| 15 |
|
|
| 16 |
|
-module(pgec_storage_backfill). |
| 17 |
|
|
| 18 |
|
|
| 19 |
|
-export([callback_mode/0]). |
| 20 |
|
-export([handle_event/4]). |
| 21 |
|
-import(pgec_statem, [nei/1]). |
| 22 |
|
-import(pgec_storage_common, [pt/1]). |
| 23 |
|
-include("pgec_storage.hrl"). |
| 24 |
|
-include_lib("kernel/include/logger.hrl"). |
| 25 |
|
|
| 26 |
|
|
| 27 |
|
callback_mode() -> |
| 28 |
:-( |
handle_event_function. |
| 29 |
|
|
| 30 |
|
|
| 31 |
|
handle_event({call, _}, _, _, _) -> |
| 32 |
:-( |
{keep_state_and_data, postpone}; |
| 33 |
|
|
| 34 |
|
handle_event(internal, {missing, Detail}, _, Data) -> |
| 35 |
:-( |
BK = #{bucket => <<"pgec/mapping">>, |
| 36 |
|
key => pt(Detail)}, |
| 37 |
:-( |
{next_state, |
| 38 |
|
{waiting_for, BK}, |
| 39 |
|
Data, |
| 40 |
|
nei({get, BK})}; |
| 41 |
|
|
| 42 |
|
handle_event(internal, |
| 43 |
|
{response, |
| 44 |
|
#{reply := {ok, Value}, |
| 45 |
|
label := #{key := Key, |
| 46 |
|
bucket := Bucket}}} = EventContent, |
| 47 |
|
{waiting_for, |
| 48 |
|
#{key := Key, |
| 49 |
|
bucket := Bucket}} = State, |
| 50 |
|
#{previous := {ready, _} = Previous, |
| 51 |
|
mappings := Mappings} = Data) -> |
| 52 |
:-( |
?LOG_DEBUG(#{event_content => EventContent, |
| 53 |
|
state => State, |
| 54 |
:-( |
data => Data}), |
| 55 |
:-( |
ets:insert(Mappings, {Key, Value}), |
| 56 |
:-( |
{next_state, |
| 57 |
|
Previous, |
| 58 |
|
maps:without([previous], Data), |
| 59 |
|
pop_callback_module}; |
| 60 |
|
|
| 61 |
|
handle_event(internal, |
| 62 |
|
{response, #{reply := not_found}}, |
| 63 |
|
{waiting_for, _}, |
| 64 |
|
_) -> |
| 65 |
:-( |
{stop, not_found}; |
| 66 |
|
|
| 67 |
|
handle_event(EventType, EventContent, State, Data) -> |
| 68 |
:-( |
pgec_storage_common:handle_event(EventType, |
| 69 |
|
EventContent, |
| 70 |
|
State, |
| 71 |
|
Data). |