@sotatech/nest-quickfix/dist/protocol/flow/message.queue.d.ts

A powerful NestJS implementation of the FIX (Financial Information eXchange) protocol. Provides high-performance, reliable messaging for financial trading applications with built-in session management, message validation, and recovery mechanisms.

import { Message } from '../../message/message';
import { EventEmitter } from 'events';
import { SessionManager } from '../../session/session.manager';
export interface MessageQueueConfig {
    maxBatchSize?: number;
    processInterval?: number;
    maxRetries?: number;
    retryDelay?: number;
    maxMessagesPerSecond?: number;
}
interface QueueMessage extends Message {
    retryCount?: number;
}
export declare class MessageQueue extends EventEmitter {
    private readonly sessionManager?;
    private queue;
    private processing;
    private readonly maxBatchSize;
    private readonly processInterval;
    private maxRetries;
    private retryDelay;
    private paused;
    private readonly maxMessagesPerSecond;
    private messageCount;
    private lastResetTime;
    private queueMetrics;
    private session;
    constructor(config?: MessageQueueConfig, sessionManager?: SessionManager);
    enqueue(message: QueueMessage, priority?: number): void;
    private calculatePriority;
    private startProcessing;
    private processBatch;
    private sendBatch;
    private processMessage;
    private handleSendError;
    private handleFailedMessage;
    private emitQueueStatus;
    private emitProcessingError;
    private updateMetrics;
    pause(): void;
    resume(): void;
    shutdown(): Promise<void>;
    getMetrics(): {
        currentQueueSize: number;
        isProcessing: boolean;
        isPaused: boolean;
        processedCount: number;
        errorCount: number;
        avgProcessingTime: number;
    };
    private getQueueSize;
    private validateMessage;
    private sendToSession;
    private getSession;
}
export {};