@liberation-data/drivine/connection/NeptuneConnectionProvider.js

Best and fastest graph database client for TypeScript / Node.js. Provides a level of abstraction for building highly scalable applications, without compromising architectural integrity

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.NeptuneConnectionProvider = void 0;
const Neo4jConnection_1 = require("./Neo4jConnection");
const Neo4jResultMapper_1 = require("../mapper/Neo4jResultMapper");
const neo = require("neo4j-driver");
const short_unique_id_1 = require("short-unique-id");
const shortId = new short_unique_id_1.default({ length: 7 });
class NeptuneConnectionProvider {
    constructor(name, type, host, port, protocol = 'bolt', config) {
        this.name = name;
        this.type = type;
        this.host = host;
        this.port = port;
        this.protocol = protocol;
        this.config = config;
        const url = `${this.protocol}://${this.host}:${this.port}`;
        const authToken = { scheme: "basic", realm: "realm", principal: "username", credentials: "" };
        this.driver = neo.driver(url, authToken, {
            ...this.config,
            encrypted: "ENCRYPTION_ON",
            trust: "TRUST_SYSTEM_CA_SIGNED_CERTIFICATES",
            maxConnectionPoolSize: 1,
        });
    }
    async connect() {
        const session = this.driver.session();
        session['sessionId'] = shortId.rnd();
        const connection = new Neo4jConnection_1.Neo4jConnection(session, new Neo4jResultMapper_1.Neo4jResultMapper());
        return Promise.resolve(connection);
    }
    async end() {
        return this.driver.close();
    }
}
exports.NeptuneConnectionProvider = NeptuneConnectionProvider;
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