spawn_access_control/
metrics_exporter.rs

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use std::collections::HashMap;
use crate::{
    monitoring::{ModelHealth, HealthStatus, PerformanceTrend},
    error::Error,
};

pub struct MetricsExporter {
    metrics: HashMap<String, f64>,
}

impl MetricsExporter {
    pub fn new() -> Self {
        Self {
            metrics: HashMap::new(),
        }
    }

    pub fn update_health_status(&mut self, health: &ModelHealth) {
        self.metrics.insert("model.health.status".to_string(), 
            match health.current_status {
                HealthStatus::Healthy => 1.0,
                HealthStatus::Degraded => 0.5,
                HealthStatus::Critical => 0.0,
                HealthStatus::Unknown => 0.0,
            }
        );

        self.metrics.insert("model.trend".to_string(), 
            match health.performance_trend {
                PerformanceTrend::Improving => 1.0,
                PerformanceTrend::Stable => 0.5,
                PerformanceTrend::Degrading => 0.0,
            }
        );
    }

    pub async fn export_metrics(&self) -> Result<(), Error> {
        Ok(())
    }
}