Struct KeywordSearchEngine 

pub struct KeywordSearchEngine { /* private fields */ }

KeywordSearchEngine with BM25 ranking

Features:

• Full-text search using Tantivy (Rust Lucene alternative)
• BM25 ranking for relevance scoring
• Query parser for complex queries (AND, OR, NOT, phrases, wildcards)
• Incremental index updates
• Multi-tenant support

Implementations

impl KeywordSearchEngine

pub fn new() -> Result<Self>

Create a stub engine when feature is not enabled

pub fn with_config(config: KeywordSearchEngineConfig) -> Result<Self>

pub fn config(&self) -> &KeywordSearchEngineConfig

Get the engine configuration

pub fn index_event( &self, _event_id: Uuid, _tenant_id: &str, _event_type: &str, _entity_id: Option<&str>, _payload: &Value, ) -> Result<()>

pub fn commit(&self) -> Result<()>

pub fn search_keywords( &self, _query: &KeywordQuery, ) -> Result<Vec<KeywordSearchResult>>

pub fn delete_event(&self, _event_id: Uuid) -> Result<()>

pub fn delete_by_tenant(&self, _tenant_id: &str) -> Result<usize>

pub fn count(&self, tenant_id: Option<&str>) -> usize

Get the number of indexed documents

pub fn stats(&self) -> (u64, u64, u64)

Get engine statistics

pub fn health_check(&self) -> Result<()>

Health check