@bazilio-san/af-stream/dist/esm/sender/CallbackSender.js

Data stream from database table

import AbstractSender from './AbstractSender';
class CallbackSender extends AbstractSender {
    constructor(options) {
        super(options);
        const { eventCallback } = options.senderConfig;
        if (typeof eventCallback !== 'function') {
            options.exitOnError(`Missing event callback function when instantiating CallbackSender class`);
        }
        this.eventCallback = eventCallback;
    }
    async connect() {
        this.options.echo.info(`=================== Callback Sender is Ready ===================`);
        return true;
    }
    async sendEvents(recordsComposite) {
        const { eventsPacket } = recordsComposite;
        if (!eventsPacket.length) {
            return false;
        }
        const packet = eventsPacket.splice(0, eventsPacket.length);
        const pl = packet.length;
        recordsComposite.sentBufferLength = pl;
        recordsComposite.sendCount = pl;
        recordsComposite.last = packet[pl - 1];
        packet.forEach((row) => {
            this.eventCallback(row);
        });
        return true;
    }
}
export default CallbackSender;
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