Real-Time vs Batch Integration Decision Pattern

var IntegrationDecisionFramework = Class.create();
IntegrationDecisionFramework.prototype = {
    initialize: function() {
        this.REAL_TIME_THRESHOLD = 100; // records per hour
        this.BATCH_VOLUME_THRESHOLD = 1000; // records per batch
        this.LATENCY_CRITICAL_MINUTES = 5; // minutes
    },

    evaluateIntegrationPattern: function(requirements) {
        var score = this._calculateScore(requirements);
        var recommendation = this._getRecommendation(score, requirements);
        
        gs.info('Integration Decision - Score: ' + score + ', Recommendation: ' + recommendation.pattern);
        return recommendation;
    },

    _calculateScore: function(req) {
        var score = 0;
        
        // Latency scoring (0-40 points)
        if (req.maxLatencyMinutes <= this.LATENCY_CRITICAL_MINUTES) {
            score += 40; // Strongly favor real-time
        } else if (req.maxLatencyMinutes <= 60) {
            score += 20; // Moderately favor real-time
        }
        
        // Volume scoring (-30 to +10 points)
        if (req.recordsPerHour > this.REAL_TIME_THRESHOLD) {
            score -= 30; // Penalize real-time for high volume
        } else {
            score += 10; // Reward real-time for low volume
        }
        
        // Business criticality (0-25 points)
        if (req.businessCriticality === 'critical') {
            score += 25;
        } else if (req.businessCriticality === 'high') {
            score += 15;
        }
        
        // Error recovery complexity (-15 to +5 points)
        if (req.complexErrorRecovery) {
            score -= 15; // Batch better for complex error handling
        } else {
            score += 5;
        }
        
        return score;
    },

    _getRecommendation: function(score, req) {
        var pattern, rationale, implementation;
        
        if (score >= 35) {
            pattern = 'real-time';
            rationale = 'Low latency requirements and manageable volume favor event-driven integration';
            implementation = this._getRealTimeImplementation(req);
        } else if (score >= 10) {
            pattern = 'hybrid';
            rationale = 'Mixed requirements suggest combining real-time for critical data with batch for bulk operations';
            implementation = this._getHybridImplementation(req);
        } else {
            pattern = 'batch';
            rationale = 'High volume or relaxed latency requirements favor scheduled batch processing';
            implementation = this._getBatchImplementation(req);
        }
        
        return {
            pattern: pattern,
            score: score,
            rationale: rationale,
            implementation: implementation
        };
    },

    _getRealTimeImplementation: function(req) {
        return {
            trigger: 'Business Rules on insert/update/delete',
            transport: 'RESTMessageV2 with webhook notifications',
            errorHandling: 'Retry logic with exponential backoff',
            monitoring: 'Event-based alerting on failed transmissions'
        };
    },

    _getBatchImplementation: function(req) {
        return {
            trigger: 'Scheduled Jobs every ' + this._calculateBatchInterval(req.maxLatencyMinutes) + ' minutes',
            transport: 'Bulk API calls with pagination',
            errorHandling: 'Transaction rollback with detailed error logging',
            monitoring: 'Scheduled health checks and batch completion tracking'
        };
    },

    _getHybridImplementation: function(req) {
        return {
            realTime: 'Critical updates via Business Rules',
            batch: 'Bulk synchronization via Scheduled Jobs',
            coordination: 'Timestamp-based deduplication',
            monitoring: 'Unified dashboard tracking both patterns'
        };
    },

    _calculateBatchInterval: function(maxLatencyMinutes) {
        return Math.max(15, Math.floor(maxLatencyMinutes / 4));
    },

    type: 'IntegrationDecisionFramework'
};

// Example usage in a Business Rule or Script Include
var framework = new IntegrationDecisionFramework();
var requirements = {
    maxLatencyMinutes: 30,
    recordsPerHour: 50,
    businessCriticality: 'high',
    complexErrorRecovery: false,
    systemName: 'HR Management System'
};

var decision = framework.evaluateIntegrationPattern(requirements);
gs.info('Recommended integration pattern for ' + requirements.systemName + ': ' + JSON.stringify(decision, null, 2));