diffusion/src/internal/services/metric-collectors/metrics-result-serialiser.js

Diffusion JavaScript client

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.MetricsResultSerialiser = exports.MetricsResultSerialiserClass = void 0;
var metrics_1 = require("./../../../features/metrics");
var Codec = require("./../../io/codec");
var BEES = require("./../../serialisers/byte-encoded-enum-serialiser");
var serialiser_1 = require("./../../serialisers/serialiser");
var metrics_result_1 = require("./metrics-result");
function readDouble(bis) {
    var long = Codec.readInt64(bis);
    var dataView = new DataView(new ArrayBuffer(8));
    dataView.setUint32(0, long.getLowBits(), true);
    dataView.setUint32(4, long.getHighBits(), true);
    return dataView.getFloat64(0, true);
}
function readMetricSample(bis) {
    var value = readDouble(bis);
    var timestamp = Codec.readInt64(bis);
    var name = Codec.readString(bis);
    var labelNames = Codec.readCollection(bis, Codec.readString);
    var labelValues = Codec.readCollection(bis, Codec.readString);
    return {
        name: name,
        labelNames: labelNames,
        labelValues: labelValues,
        timestamp: timestamp.equals(-1) ? undefined : timestamp,
        value: value
    };
}
function readMetricSampleCollection(bis) {
    var name = Codec.readString(bis);
    var unit = Codec.readString(bis);
    var metricType = BEES.read(bis, metrics_1.MetricType);
    var samples = Codec.readCollection(bis, readMetricSample);
    return {
        name: name,
        unit: unit,
        type: metricType,
        samples: samples
    };
}
function readMetricSampleCollections(bis) {
    return Codec.readCollection(bis, readMetricSampleCollection);
}
/**
 * Serialiser for metric results.
 */
var MetricsResultSerialiserClass = /** @class */ (function (_super) {
    __extends(MetricsResultSerialiserClass, _super);
    function MetricsResultSerialiserClass() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    /**
     * Read a metric result from the stream
     *
     * @param bis  the input stream
     * @return     the metrics result that was read
     */
    MetricsResultSerialiserClass.prototype.read = function (bis) {
        var sampleCollections = Codec.readDictionary(bis, readMetricSampleCollections);
        return new metrics_result_1.MetricsResultImpl(sampleCollections);
    };
    return MetricsResultSerialiserClass;
}(serialiser_1.AbstractSerialiser));
exports.MetricsResultSerialiserClass = MetricsResultSerialiserClass;
/**
 * The singleton
 */ // eslint-disable-next-line @typescript-eslint/naming-convention
exports.MetricsResultSerialiser = new MetricsResultSerialiserClass();