1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52
/*
* AquaVM Workflow Engine
*
* Copyright (C) 2024 Fluence DAO
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
use super::DataKeeper;
#[derive(Debug, Copy, Clone)]
pub enum PreparationScheme {
Previous,
Current,
Both,
}
/// Prepares new_to_old_pos mapping in data keeper to keep track of value sources.
pub(super) fn prepare_positions_mapping(scheme: PreparationScheme, data_keeper: &mut DataKeeper) {
use PreparationScheme::*;
let new_pos = data_keeper.result_trace_next_pos();
// it's safe to sub 1 from positions here iff scheme was set correctly
match scheme {
Previous => {
let prev_pos = data_keeper.prev_slider().position() - 1;
data_keeper.new_to_prev_pos.insert(new_pos, prev_pos);
}
Current => {
let current_pos = data_keeper.current_slider().position() - 1;
data_keeper.new_to_current_pos.insert(new_pos, current_pos);
}
Both => {
let prev_pos = data_keeper.prev_slider().position() - 1;
let current_pos = data_keeper.current_slider().position() - 1;
data_keeper.new_to_prev_pos.insert(new_pos, prev_pos);
data_keeper.new_to_current_pos.insert(new_pos, current_pos);
}
};
}