nautilus_data/engine/bar.rs
1// -------------------------------------------------------------------------------------------------
2// Copyright (C) 2015-2026 Nautech Systems Pty Ltd. All rights reserved.
3// https://nautechsystems.io
4//
5// Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
6// You may not use this file except in compliance with the License.
7// You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
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
16use std::fmt::Debug;
17
18use nautilus_common::msgbus::{MStr, Topic, TypedHandler};
19use nautilus_model::data::{Bar, QuoteTick, TradeTick};
20
21/// Typed subscription for bar aggregator handlers.
22///
23/// Stores the topic and handler for each data type so we can properly
24/// unsubscribe from the typed routers.
25#[derive(Clone)]
26pub enum BarAggregatorSubscription {
27 Bar {
28 topic: MStr<Topic>,
29 handler: TypedHandler<Bar>,
30 },
31 Trade {
32 topic: MStr<Topic>,
33 handler: TypedHandler<TradeTick>,
34 },
35 Quote {
36 topic: MStr<Topic>,
37 handler: TypedHandler<QuoteTick>,
38 },
39}
40
41impl Debug for BarAggregatorSubscription {
42 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
43 match self {
44 Self::Bar { topic, handler } => f
45 .debug_struct(stringify!(Bar))
46 .field("topic", topic)
47 .field("handler_id", &handler.id())
48 .finish(),
49 Self::Trade { topic, handler } => f
50 .debug_struct(stringify!(Trade))
51 .field("topic", topic)
52 .field("handler_id", &handler.id())
53 .finish(),
54 Self::Quote { topic, handler } => f
55 .debug_struct(stringify!(Quote))
56 .field("topic", topic)
57 .field("handler_id", &handler.id())
58 .finish(),
59 }
60 }
61}