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solverforge_solver/heuristic/move/
conflict_repair.rs

1use std::fmt::{self, Debug};
2
3use solverforge_core::domain::PlanningSolution;
4use solverforge_scoring::Director;
5
6use crate::stats::CandidateTraceIdentity;
7
8use super::compound_scalar::{CompoundScalarEdit, CompoundScalarMove};
9use super::{Move, MoveAffectedEntity, MoveTabuSignature};
10
11const CONFLICT_REPAIR_VARIABLE: &str = "conflict_repair";
12
13#[derive(Clone)]
14pub struct ConflictRepairScalarEdit<S> {
15    pub descriptor_index: usize,
16    pub entity_index: usize,
17    pub variable_index: usize,
18    pub variable_name: &'static str,
19    pub to_value: Option<usize>,
20    pub getter: fn(&S, usize, usize) -> Option<usize>,
21    pub setter: fn(&mut S, usize, usize, Option<usize>),
22}
23
24impl<S> Debug for ConflictRepairScalarEdit<S> {
25    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
26        f.debug_struct("ConflictRepairScalarEdit")
27            .field("descriptor_index", &self.descriptor_index)
28            .field("entity_index", &self.entity_index)
29            .field("variable_index", &self.variable_index)
30            .field("variable_name", &self.variable_name)
31            .field("to_value", &self.to_value)
32            .finish()
33    }
34}
35
36#[derive(Clone)]
37pub struct ConflictRepairMove<S> {
38    compound: CompoundScalarMove<S>,
39}
40
41impl<S> ConflictRepairMove<S> {
42    pub fn new(reason: &'static str, edits: Vec<ConflictRepairScalarEdit<S>>) -> Self {
43        let edits = edits
44            .into_iter()
45            .map(|edit| {
46                CompoundScalarEdit::static_edit(
47                    edit.descriptor_index,
48                    edit.entity_index,
49                    edit.variable_index,
50                    edit.variable_name,
51                    edit.to_value,
52                    edit.getter,
53                    edit.setter,
54                    None,
55                )
56            })
57            .collect();
58        Self {
59            compound: CompoundScalarMove::with_label(reason, CONFLICT_REPAIR_VARIABLE, edits),
60        }
61    }
62}
63
64impl<S> Debug for ConflictRepairMove<S> {
65    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
66        f.debug_tuple("ConflictRepairMove")
67            .field(&self.compound)
68            .finish()
69    }
70}
71
72impl<S> Move<S> for ConflictRepairMove<S>
73where
74    S: PlanningSolution,
75{
76    type Undo = <CompoundScalarMove<S> as Move<S>>::Undo;
77
78    fn is_doable<D: Director<S>>(&self, score_director: &D) -> bool {
79        self.compound.is_doable(score_director)
80    }
81
82    fn do_move<D: Director<S>>(&self, score_director: &mut D) -> Self::Undo {
83        self.compound.do_move(score_director)
84    }
85
86    fn undo_move<D: Director<S>>(&self, score_director: &mut D, undo: Self::Undo) {
87        self.compound.undo_move(score_director, undo);
88    }
89
90    fn descriptor_index(&self) -> usize {
91        self.compound.descriptor_index()
92    }
93
94    fn entity_indices(&self) -> &[usize] {
95        self.compound.entity_indices()
96    }
97
98    fn variable_name(&self) -> &str {
99        self.compound.variable_name()
100    }
101
102    fn telemetry_label(&self) -> &'static str {
103        self.compound.reason()
104    }
105
106    fn tabu_signature<D: Director<S>>(&self, score_director: &D) -> MoveTabuSignature {
107        self.compound.tabu_signature(score_director)
108    }
109
110    fn candidate_trace_identity(&self) -> Option<CandidateTraceIdentity> {
111        self.compound.candidate_trace_identity()
112    }
113
114    fn for_each_affected_entity(&self, visitor: &mut dyn FnMut(MoveAffectedEntity<'_>)) {
115        self.compound.for_each_affected_entity(visitor);
116    }
117}