@liberation-data/drivine/manager/FinderOperations.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.FinderOperations = void 0;
const DrivineError_1 = require("../DrivineError");
class FinderOperations {
    constructor(persistenceManager) {
        this.persistenceManager = persistenceManager;
    }
    async getOne(spec) {
        const results = await this.persistenceManager.query(spec);
        if (results.length != 1) {
            throw new DrivineError_1.DrivineError(`Expected exactly one result`, undefined, spec);
        }
        return results[0];
    }
    async maybeGetOne(spec) {
        const results = await this.persistenceManager.query(spec);
        if (results.length === 0) {
            return undefined;
        }
        else if (results.length === 1) {
            return results[0];
        }
        else {
            throw new DrivineError_1.DrivineError(`Expected one result, received ${results.length}.`);
        }
    }
}
exports.FinderOperations = FinderOperations;
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