oxirs-embed 0.2.4

Knowledge graph embeddings with TransE, ComplEx, and custom models
Documentation
//! Context cache for embedding storage and retrieval

use super::{ContextCacheConfig, ProcessedContext};
use crate::{Triple, Vector};
use std::collections::HashMap;

/// Context cache for embeddings
pub struct ContextCache {
    config: ContextCacheConfig,
    cache: HashMap<String, CacheEntry>,
    stats: CacheStats,
}

impl ContextCache {
    pub fn new(config: ContextCacheConfig) -> Self {
        Self {
            config,
            cache: HashMap::new(),
            stats: CacheStats::default(),
        }
    }

    pub async fn get_embeddings(
        &self,
        _triples: &[Triple],
        _context: &ProcessedContext,
    ) -> Option<Vec<Vector>> {
        None // Simplified implementation
    }

    pub async fn store_embeddings(
        &mut self,
        _triples: &[Triple],
        _context: &ProcessedContext,
        _embeddings: &[Vector],
    ) {
        // Simplified implementation
    }
}

/// Cache entry
#[derive(Debug, Clone)]
struct CacheEntry {
    embeddings: Vec<Vector>,
    timestamp: std::time::Instant,
    access_count: u32,
}

/// Cache statistics
#[derive(Debug, Default)]
pub struct CacheStats {
    pub hits: u64,
    pub misses: u64,
    pub evictions: u64,
    pub size: usize,
}