auradb 0.1.0

High-performance Rust storage engine with WAL-time KV separation, RL-driven compaction, and learned indexes
Documentation 
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//! Garbage collection module for value log reclamation
//! 
//! This module will implement live pointer tracing and incremental reclamation.
//! 
//! Planned for M5 milestone.

use crate::error::{Error, Result};

/// GC task information
#[derive(Debug, Clone)]
pub struct GcTask {
    /// Task ID
    pub id: u64,
    /// Segment ID to process
    pub segment_id: u64,
    /// Priority
    pub priority: u32,
}

/// Garbage collection manager
pub struct GcManager {
    // TODO: Implement GC functionality
}

impl GcManager {
    /// Create a new GC manager
    pub fn new() -> Self {
        Self {}
    }
    
    /// Schedule GC task
    pub fn schedule_task(&mut self, _task: GcTask) -> Result<()> {
        // TODO: Implement
        Ok(())
    }
    
    /// Run GC tasks
    pub fn run_gc(&mut self) -> Result<()> {
        // TODO: Implement
        Ok(())
    }
    
    /// Get GC statistics
    pub fn stats(&self) -> GcStats {
        // TODO: Implement
        GcStats::default()
    }
}

/// GC statistics
#[derive(Debug, Clone, Default)]
pub struct GcStats {
    /// Segments processed
    pub segments_processed: u64,
    /// Bytes reclaimed
    pub bytes_reclaimed: u64,
    /// GC time
    pub gc_time: u64,
}

#[cfg(test)]
mod tests {
    use super::*;
    
    #[test]
    fn test_gc_manager_creation() {
        let manager = GcManager::new();
        let stats = manager.stats();
        assert_eq!(stats.segments_processed, 0);
    }
}