diffusion/src/internal/services/fetch-query/fetch-query-result-serialiser.js

Diffusion JavaScript client

"use strict";
/**
 * @module Services.FetchQuery
 */
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.FetchQueryResultSerialiser = exports.FetchQueryResultSerialiserClass = void 0;
var Codec = require("./../../io/codec");
var BEES = require("./../../serialisers/byte-encoded-enum-serialiser");
var serialiser_1 = require("./../../serialisers/serialiser");
var fetch_topic_result_1 = require("./../../services/fetch-query/fetch-topic-result");
var Long = require("long");
var topic_type_1 = require("../../../topics/topic-type");
var fetch_query_result_1 = require("./fetch-query-result");
var fetch_topic_size_info_1 = require("./fetch-topic-size-info");
/**
 * Read a property map from the stream
 *
 * @param bis  the input stream
 * @return     the property map that was read
 */
function readProperties(bis) {
    return Codec.readDictionary(bis, Codec.readString);
}
function readSizeInfo(bis) {
    var infoType = BEES.read(bis, fetch_topic_size_info_1.FetchTopicSizeType);
    if (infoType === fetch_topic_size_info_1.FetchTopicSizeType.SIMPLE_SIZE_INFO) {
        var size = Codec.readInt32(bis);
        return {
            infoType: infoType,
            valueSize: size,
            valueCount: 1,
            valueTotalSize: new Long(size)
        };
    }
    else if (infoType === fetch_topic_size_info_1.FetchTopicSizeType.TIME_SERIES_SIZE_INFO) {
        return {
            infoType: infoType,
            valueSize: Codec.readInt32(bis),
            valueCount: Codec.readInt32(bis),
            valueTotalSize: Codec.readInt64(bis)
        };
    }
    return fetch_topic_size_info_1.NO_TOPIC_SIZE_INFO;
}
/**
 * Read a {@link FetchTopicResult} from the stream
 *
 * @param bis  the input stream
 * @return     the {@link FetchTopicResult} that was read
 */
function readFetchTopicResult(bis) {
    var path = Codec.readString(bis);
    var type = BEES.read(bis, topic_type_1.TopicType);
    var value = Codec.readOptional(bis, Codec.readBytes);
    var propertiesIndex = Codec.readInt32(bis);
    var sizeInfo = readSizeInfo(bis);
    return new fetch_topic_result_1.FetchTopicResult(path, type, propertiesIndex, sizeInfo, value);
}
/**
 * Serialiser for {@link FetchQueryResult}
 */
var FetchQueryResultSerialiserClass = /** @class */ (function (_super) {
    __extends(FetchQueryResultSerialiserClass, _super);
    function FetchQueryResultSerialiserClass() {
        return _super !== null && _super.apply(this, arguments) || this;
    }
    /**
     * Read a {@link FetchQueryResult} from the stream
     *
     * @param bis  the input stream
     * @return     the {@link FetchQueryResult} that was read
     */
    FetchQueryResultSerialiserClass.prototype.read = function (bis) {
        var properties = Codec.readCollection(bis, readProperties);
        var results = Codec.readCollection(bis, readFetchTopicResult);
        var hasMore = Codec.readBoolean(bis);
        return new fetch_query_result_1.FetchQueryResult(properties, results, hasMore);
    };
    return FetchQueryResultSerialiserClass;
}(serialiser_1.AbstractSerialiser));
exports.FetchQueryResultSerialiserClass = FetchQueryResultSerialiserClass;
/**
 * The {@link FetchQueryResultSerialiser} singleton
 */ // eslint-disable-next-line @typescript-eslint/naming-convention
exports.FetchQueryResultSerialiser = new FetchQueryResultSerialiserClass();