pg-transactional-outbox/dist/polling/polling-message-listener.d.ts

A PostgreSQL based transactional outbox and inbox pattern implementation to support exactly once message processing (with at least once message delivery).

import { TransactionalLogger } from '../common/logger';
import { GeneralMessageHandler } from '../handler/general-message-handler';
import { TransactionalMessageHandler } from '../handler/transactional-message-handler';
import { PollingListenerConfig } from './config';
import { PollingMessageStrategies } from './polling-strategies';
/**
 * Initialize the listener to watch for outbox or inbox table inserts via
 * polling the corresponding PostgreSQL database tables.
 * @param config The configuration object with required values to connect to the database for polling.
 * @param messageHandlers A list of message handlers to handle specific messages or a single general message handler that handles all messages.
 * @param logger A logger instance for logging trace up to error logs
 * @param strategies Strategies to provide custom logic for handling specific scenarios
 * @returns Functions for a clean shutdown.
 */
export declare const initializePollingMessageListener: (config: PollingListenerConfig, messageHandlers: TransactionalMessageHandler[] | GeneralMessageHandler, logger: TransactionalLogger, strategies?: Partial<PollingMessageStrategies>) => [shutdown: {
    (): Promise<void>;
}];
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