sbom_tools/diff/
engine_config.rs

1//! Configuration types for the diff engine.
2
3use crate::matching::CrossEcosystemConfig;
4
5/// Configuration for large SBOM optimization.
6#[derive(Debug, Clone)]
7pub struct LargeSbomConfig {
8    /// Minimum component count to enable LSH-based matching
9    pub lsh_threshold: usize,
10    /// Cross-ecosystem matching configuration
11    pub cross_ecosystem: CrossEcosystemConfig,
12    /// Per-component candidate budget, same value on both sides of the
13    /// `lsh_threshold` size gate. Above the gate it bounds the TOTAL across
14    /// all strategies (index + LSH + cross-ecosystem); below the gate it
15    /// bounds the index candidates (cross-ecosystem candidates there are
16    /// budgeted separately by `CrossEcosystemConfig::max_candidates`)
17    pub max_candidates: usize,
18}
19
20impl Default for LargeSbomConfig {
21    fn default() -> Self {
22        Self {
23            lsh_threshold: 500,
24            cross_ecosystem: CrossEcosystemConfig::default(),
25            // Matches the budget the sub-threshold path has always used, so
26            // candidate volume no longer jumps ~3.5x (50 -> up to 175) when
27            // an SBOM crosses the size gate (candidates are quality-ranked,
28            // so the marginal recall of slots 51..100 is negligible next to
29            // their cost).
30            max_candidates: 50,
31        }
32    }
33}
34
35impl LargeSbomConfig {
36    /// Check if cross-ecosystem matching is enabled.
37    #[must_use]
38    pub const fn enable_cross_ecosystem(&self) -> bool {
39        self.cross_ecosystem.enabled
40    }
41
42    /// Aggressive optimization for very large SBOMs (1000+)
43    #[must_use]
44    pub fn aggressive() -> Self {
45        Self {
46            lsh_threshold: 300,
47            cross_ecosystem: CrossEcosystemConfig::default(),
48            max_candidates: 25,
49        }
50    }
51
52    /// Conservative settings (for accuracy over speed)
53    #[must_use]
54    pub fn conservative() -> Self {
55        Self {
56            lsh_threshold: 1000,
57            cross_ecosystem: CrossEcosystemConfig::disabled(),
58            max_candidates: 150,
59        }
60    }
61}
sbom_tools/diff/engine_config.rs

sbom_tools/diff/
engine_config.rs
