nautilus_execution/order_emulator/
adapter.rs

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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::{
17    cell::{Ref, RefCell, RefMut},
18    rc::Rc,
19};
20
21use nautilus_common::{
22    cache::Cache,
23    clock::Clock,
24    msgbus::{handler::ShareableMessageHandler, register},
25};
26use nautilus_core::UUID4;
27use ustr::Ustr;
28
29use crate::{
30    messages::{
31        cancel::CancelOrderHandlerAny, modify::ModifyOrderHandlerAny, submit::SubmitOrderHandlerAny,
32    },
33    order_emulator::{
34        emulator::OrderEmulator,
35        handlers::{OrderEmulatorExecuteHandler, OrderEmulatorOnEventHandler},
36    },
37};
38
39pub struct OrderEmulatorAdapter {
40    emulator: Rc<RefCell<OrderEmulator>>,
41}
42
43impl OrderEmulatorAdapter {
44    pub fn new(clock: Rc<RefCell<dyn Clock>>, cache: Rc<RefCell<Cache>>) -> Self {
45        let emulator = Rc::new(RefCell::new(OrderEmulator::new(clock, cache)));
46
47        Self::initialize_execute_handler(emulator.clone());
48        Self::initialize_on_event_handler(emulator.clone());
49        Self::initialize_submit_order_handler(emulator.clone());
50        Self::initialize_cancel_order_handler(emulator.clone());
51        Self::initialize_modify_order_handler(emulator.clone());
52
53        Self { emulator }
54    }
55
56    fn initialize_submit_order_handler(emulator: Rc<RefCell<OrderEmulator>>) {
57        let handler = SubmitOrderHandlerAny::OrderEmulator(emulator.clone());
58        emulator.borrow_mut().set_submit_order_handler(handler);
59    }
60
61    fn initialize_cancel_order_handler(emulator: Rc<RefCell<OrderEmulator>>) {
62        let handler = CancelOrderHandlerAny::OrderEmulator(emulator.clone());
63        emulator.borrow_mut().set_cancel_order_handler(handler);
64    }
65
66    fn initialize_modify_order_handler(emulator: Rc<RefCell<OrderEmulator>>) {
67        let handler = ModifyOrderHandlerAny::OrderEmulator(emulator.clone());
68        emulator.borrow_mut().set_modify_order_handler(handler);
69    }
70
71    fn initialize_execute_handler(emulator: Rc<RefCell<OrderEmulator>>) {
72        let handler = ShareableMessageHandler(Rc::new(OrderEmulatorExecuteHandler {
73            id: Ustr::from(&UUID4::new().to_string()),
74            emulator,
75        }));
76
77        register("OrderEmulator.execute", handler);
78    }
79
80    fn initialize_on_event_handler(emulator: Rc<RefCell<OrderEmulator>>) {
81        let handler = ShareableMessageHandler(Rc::new(OrderEmulatorOnEventHandler {
82            id: Ustr::from(&UUID4::new().to_string()),
83            emulator,
84        }));
85
86        register("OrderEmulator.on_event", handler);
87    }
88
89    #[must_use]
90    pub fn get_emulator(&self) -> Ref<OrderEmulator> {
91        self.emulator.borrow()
92    }
93
94    #[must_use]
95    pub fn get_emulator_mut(&self) -> RefMut<OrderEmulator> {
96        self.emulator.borrow_mut()
97    }
98}
nautilus_execution/order_emulator/adapter.rs

nautilus_execution/order_emulator/
adapter.rs
