earlect/dist/test/comm_impl.js

Leader Election Generic Implementation for TypeScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const ts_nats_1 = require("ts-nats");
const __1 = require("../");
class NatsCommunicationMedium {
    constructor(natsClient) {
        this.natsClient = natsClient;
    }
    static async create(servers) {
        const natsClient = await ts_nats_1.connect({
            maxReconnectAttempts: -1,
            reconnect: true,
            reconnectTimeWait: 100,
            servers,
            waitOnFirstConnect: true,
        });
        const natsCommunicationMedium = new NatsCommunicationMedium(natsClient);
        return natsCommunicationMedium;
    }
    send(subject, message) {
        const natsCommunicationMedium = this;
        natsCommunicationMedium.natsClient.publish(subject, message);
    }
    receive(subject, callback) {
        const natsCommunicationMedium = this;
        natsCommunicationMedium.natsClient.subscribe(subject, (err, msg) => {
            if (err) {
                callback(new __1.CommunicationMediumError("Setting receiveExclusively handler failed", err), undefined);
            }
            else {
                callback(null, msg);
            }
        });
    }
    receiveExclusively(subject, callback) {
        const natsCommunicationMedium = this;
        natsCommunicationMedium.natsClient.subscribe(subject, (err, msg) => {
            if (err) {
                callback(new __1.CommunicationMediumError("Setting receiveExclusively handler failed", err), undefined);
            }
            else {
                callback(null, msg);
            }
        }, { queue: "NatsCommunicationMedium" });
    }
}
exports.NatsCommunicationMedium = NatsCommunicationMedium;