nautilus_execution/order_emulator/
handlers.rs

1// -------------------------------------------------------------------------------------------------
2//  Copyright (C) 2015-2025 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::any::Any;
17
18use nautilus_common::{messages::execution::TradingCommand, msgbus::handler::MessageHandler};
19use nautilus_core::WeakCell;
20use nautilus_model::events::OrderEventAny;
21use ustr::Ustr;
22
23use super::emulator::OrderEmulator;
24
25#[derive(Debug)]
26pub struct OrderEmulatorExecuteHandler {
27    id: Ustr,
28    emulator: WeakCell<OrderEmulator>,
29}
30
31impl OrderEmulatorExecuteHandler {
32    #[inline]
33    #[must_use]
34    pub const fn new(id: Ustr, emulator: WeakCell<OrderEmulator>) -> Self {
35        Self { id, emulator }
36    }
37}
38
39impl MessageHandler for OrderEmulatorExecuteHandler {
40    fn id(&self) -> Ustr {
41        self.id
42    }
43
44    fn handle(&self, msg: &dyn Any) {
45        if let Some(emulator) = self.emulator.upgrade() {
46            emulator.borrow_mut().execute(
47                msg.downcast_ref::<&TradingCommand>()
48                    .unwrap()
49                    .to_owned()
50                    .clone(),
51            );
52        }
53    }
54
55    fn as_any(&self) -> &dyn Any {
56        self
57    }
58}
59
60#[derive(Debug)]
61pub struct OrderEmulatorOnEventHandler {
62    id: Ustr,
63    emulator: WeakCell<OrderEmulator>,
64}
65
66impl OrderEmulatorOnEventHandler {
67    #[inline]
68    #[must_use]
69    pub const fn new(id: Ustr, emulator: WeakCell<OrderEmulator>) -> Self {
70        Self { id, emulator }
71    }
72}
73
74impl MessageHandler for OrderEmulatorOnEventHandler {
75    fn id(&self) -> Ustr {
76        self.id
77    }
78
79    fn handle(&self, msg: &dyn Any) {
80        if let Some(emulator) = self.emulator.upgrade() {
81            emulator.borrow_mut().on_event(
82                msg.downcast_ref::<&OrderEventAny>()
83                    .unwrap()
84                    .to_owned()
85                    .clone(),
86            );
87        }
88    }
89
90    fn as_any(&self) -> &dyn Any {
91        self
92    }
93}
nautilus_execution/order_emulator/handlers.rs

nautilus_execution/order_emulator/
handlers.rs
