rez_next_solver/
solver.rs

1//! Core solver implementation - Simplified for compilation
2
3#[cfg(feature = "python-bindings")]
4use pyo3::prelude::*;
5use rez_next_common::RezCoreError;
6use rez_next_package::{Package, PackageRequirement};
7use rez_next_version::Version;
8use serde::{Deserialize, Serialize};
9use std::collections::HashMap;
10
11/// Resolution result
12#[derive(Debug, Clone, Serialize, Deserialize)]
13pub struct ResolutionResult {
14    /// Resolved packages
15    pub packages: Vec<Package>,
16    /// Whether conflicts were resolved
17    pub conflicts_resolved: bool,
18    /// Resolution time in milliseconds
19    pub resolution_time_ms: u64,
20    /// Additional metadata
21    pub metadata: HashMap<String, String>,
22}
23
24/// Solver configuration
25#[derive(Debug, Clone, Serialize, Deserialize)]
26pub struct SolverConfig {
27    /// Maximum number of resolution attempts
28    pub max_attempts: usize,
29    /// Maximum resolution time in seconds
30    pub max_time_seconds: u64,
31    /// Enable parallel resolution
32    pub enable_parallel: bool,
33    /// Maximum number of parallel workers
34    pub max_workers: usize,
35    /// Enable solver caching
36    pub enable_caching: bool,
37    /// Cache TTL in seconds
38    pub cache_ttl_seconds: u64,
39    /// Prefer latest versions
40    pub prefer_latest: bool,
41    /// Allow pre-release versions
42    pub allow_prerelease: bool,
43    /// Conflict resolution strategy
44    pub conflict_strategy: ConflictStrategy,
45}
46
47impl Default for SolverConfig {
48    fn default() -> Self {
49        Self {
50            max_attempts: 1000,
51            max_time_seconds: 300, // 5 minutes
52            enable_parallel: true,
53            max_workers: 4,
54            enable_caching: true,
55            cache_ttl_seconds: 3600, // 1 hour
56            prefer_latest: true,
57            allow_prerelease: false,
58            conflict_strategy: ConflictStrategy::LatestWins,
59        }
60    }
61}
62
63/// Conflict resolution strategy
64#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
65pub enum ConflictStrategy {
66    /// Latest version wins
67    LatestWins,
68    /// Earliest version wins
69    EarliestWins,
70    /// Fail on conflict
71    FailOnConflict,
72    /// Try to find compatible version
73    FindCompatible,
74}
75
76/// Solver request
77#[derive(Debug, Clone)]
78pub struct SolverRequest {
79    /// Root requirements to resolve
80    pub requirements: Vec<PackageRequirement>,
81    /// Additional constraints
82    pub constraints: Vec<PackageRequirement>,
83    /// Packages to exclude
84    pub excludes: Vec<String>,
85    /// Platform constraints
86    pub platform: Option<String>,
87    /// Architecture constraints
88    pub arch: Option<String>,
89    /// Request metadata
90    pub metadata: HashMap<String, String>,
91}
92
93impl SolverRequest {
94    /// Create a new solver request
95    pub fn new(requirements: Vec<PackageRequirement>) -> Self {
96        Self {
97            requirements,
98            constraints: Vec::new(),
99            excludes: Vec::new(),
100            platform: None,
101            arch: None,
102            metadata: HashMap::new(),
103        }
104    }
105
106    /// Add a constraint
107    pub fn with_constraint(mut self, constraint: PackageRequirement) -> Self {
108        self.constraints.push(constraint);
109        self
110    }
111
112    /// Add an exclusion
113    pub fn with_exclude(mut self, package_name: String) -> Self {
114        self.excludes.push(package_name);
115        self
116    }
117
118    /// Set platform constraint
119    pub fn with_platform(mut self, platform: String) -> Self {
120        self.platform = Some(platform);
121        self
122    }
123
124    /// Set architecture constraint
125    pub fn with_arch(mut self, arch: String) -> Self {
126        self.arch = Some(arch);
127        self
128    }
129}
130
131/// High-performance dependency solver - Simplified
132#[cfg_attr(feature = "python-bindings", pyclass)]
133#[derive(Debug)]
134pub struct DependencySolver {
135    /// Solver configuration
136    config: SolverConfig,
137    /// Solver statistics
138    stats: SolverStats,
139}
140
141/// Solver statistics
142#[derive(Debug, Clone, Serialize, Deserialize)]
143pub struct SolverStats {
144    /// Total number of resolutions
145    pub total_resolutions: u64,
146    /// Successful resolutions
147    pub successful_resolutions: u64,
148    /// Failed resolutions
149    pub failed_resolutions: u64,
150    /// Cache hits
151    pub cache_hits: u64,
152    /// Cache misses
153    pub cache_misses: u64,
154    /// Average resolution time in milliseconds
155    pub avg_resolution_time_ms: f64,
156    /// Total resolution time in milliseconds
157    pub total_resolution_time_ms: u64,
158}
159
160impl Default for SolverStats {
161    fn default() -> Self {
162        Self {
163            total_resolutions: 0,
164            successful_resolutions: 0,
165            failed_resolutions: 0,
166            cache_hits: 0,
167            cache_misses: 0,
168            avg_resolution_time_ms: 0.0,
169            total_resolution_time_ms: 0,
170        }
171    }
172}
173
174// Python methods - conditionally compiled
175#[cfg(feature = "python-bindings")]
176#[pymethods]
177impl DependencySolver {
178    #[new]
179    pub fn new_py() -> Self {
180        let config = SolverConfig::default();
181        Self {
182            config,
183            stats: SolverStats::default(),
184        }
185    }
186
187    /// Get solver statistics
188    #[getter]
189    pub fn stats(&self) -> String {
190        serde_json::to_string(&self.stats).unwrap_or_else(|_| "{}".to_string())
191    }
192}
193
194impl DependencySolver {
195    /// Create a new solver with default configuration
196    pub fn new() -> Self {
197        let config = SolverConfig::default();
198        Self {
199            config,
200            stats: SolverStats::default(),
201        }
202    }
203
204    /// Create a new solver with custom configuration
205    pub fn with_config(config: SolverConfig) -> Self {
206        Self {
207            config,
208            stats: SolverStats::default(),
209        }
210    }
211
212    /// Resolve dependencies for a given request - Simplified implementation
213    pub fn resolve(&self, _request: SolverRequest) -> Result<ResolutionResult, RezCoreError> {
214        // Simplified implementation for compilation
215        Ok(ResolutionResult {
216            packages: Vec::new(),
217            conflicts_resolved: false,
218            resolution_time_ms: 0,
219            metadata: HashMap::new(),
220        })
221    }
222}
223
224impl Default for DependencySolver {
225    fn default() -> Self {
226        Self::new()
227    }
228}
rez_next_solver/solver.rs

rez_next_solver/
solver.rs
