oxirs-cluster 0.2.4

Raft-backed distributed dataset for high availability and horizontal scaling
Documentation 
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//! Cluster Unified Coordinator

use anyhow::Result;
use std::sync::{Arc, RwLock};
use super::consensus_optimizer::AIConsensusOptimizer;
use super::data_distribution::IntelligentDataDistributionEngine;
use super::replication_manager::AdaptiveReplicationManager;
use super::network_optimizer::QuantumNetworkOptimizer;
use super::analytics::AdvancedClusterAnalytics;
use super::types::*;
pub struct ClusterUnifiedCoordinator {
    config: RevolutionaryClusterConfig,
    coordination_ml: MLPipeline,
    component_states: HashMap<String, ClusterComponentState>,
    coordination_history: VecDeque<ClusterCoordinationEvent>,
}

impl ClusterUnifiedCoordinator {
    async fn new(config: RevolutionaryClusterConfig) -> Result<Self> {
        Ok(Self {
            config,
            coordination_ml: MLPipeline::new(),
            component_states: HashMap::new(),
            coordination_history: VecDeque::with_capacity(1000),
        })
    }

    async fn analyze_cluster_coordination_requirements(
        &self,
        cluster_state: &ClusterState,
        _optimization_context: &ClusterOptimizationContext,
    ) -> Result<ClusterCoordinationAnalysis> {
        // Analyze coordination requirements across cluster components
        let consensus_coordination_required = self.analyze_consensus_coordination_needs(cluster_state);
        let data_coordination_required = self.analyze_data_coordination_needs(cluster_state);
        let network_coordination_required = self.analyze_network_coordination_needs(cluster_state);

        let requires_coordination_optimization =
            consensus_coordination_required ||
            data_coordination_required ||
            network_coordination_required;

        let coordination_complexity = self.calculate_coordination_complexity(cluster_state);
        let coordination_strategy = self.determine_coordination_strategy(coordination_complexity);

        Ok(ClusterCoordinationAnalysis {
            requires_coordination_optimization,
            consensus_coordination_required,
            data_coordination_required,
            network_coordination_required,
            coordination_complexity,
            coordination_strategy,
            component_dependencies: self.analyze_component_dependencies(cluster_state),
        })
    }

    fn analyze_consensus_coordination_needs(&self, cluster_state: &ClusterState) -> bool {
        // Check if consensus optimization needs coordination with other components
        cluster_state.performance_metrics.consensus_latency_ms > 200
    }

    fn analyze_data_coordination_needs(&self, cluster_state: &ClusterState) -> bool {
        // Check if data distribution needs coordination
        cluster_state.data_distribution.hot_spots.len() > 2
    }

    fn analyze_network_coordination_needs(&self, cluster_state: &ClusterState) -> bool {
        // Check if network optimization needs coordination
        cluster_state.performance_metrics.network_utilization > 0.8
    }

    fn calculate_coordination_complexity(&self, cluster_state: &ClusterState) -> f64 {
        // Calculate complexity score based on cluster characteristics
        let node_count_factor = (cluster_state.nodes.len() as f64).ln() / 10.0;
        let performance_factor = if cluster_state.performance_metrics.query_throughput_qps > 5000.0 { 0.3 } else { 0.1 };
        let network_factor = cluster_state.performance_metrics.network_utilization * 0.2;

        (node_count_factor + performance_factor + network_factor).min(1.0)
    }

    fn determine_coordination_strategy(&self, complexity: f64) -> ClusterCoordinationStrategy {
        match complexity {
            x if x < 0.3 => ClusterCoordinationStrategy::Simple,
            x if x < 0.6 => ClusterCoordinationStrategy::Moderate,
            x if x < 0.8 => ClusterCoordinationStrategy::Advanced,
            _ => ClusterCoordinationStrategy::AIControlled,
        }
    }

    fn analyze_component_dependencies(&self, _cluster_state: &ClusterState) -> Vec<ComponentDependency> {
        vec![
            ComponentDependency {
                source_component: "consensus".to_string(),
                target_component: "networking".to_string(),
                dependency_type: DependencyType::Performance,
                strength: 0.8,
            },
            ComponentDependency {
                source_component: "data_distribution".to_string(),
                target_component: "replication".to_string(),
                dependency_type: DependencyType::Consistency,
                strength: 0.9,
            },
        ]
    }
}

// Helper function for duration formatting
fn format_duration(duration: Duration) -> String {
    let total_seconds = duration.as_secs();
    if total_seconds < 60 {
        format!("{} seconds", total_seconds)
    } else if total_seconds < 3600 {
        format!("{} minutes", total_seconds / 60)
    } else {
        format!("{} hours", total_seconds / 3600)
    }
}