devextreme/data/data_source/operation_manager.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (data/data_source/operation_manager.js)
 * Version: 20.1.7
 * Build date: Tue Aug 25 2020
 *
 * Copyright (c) 2012 - 2020 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */

"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
exports.default = void 0;
var _utils = require("./utils");

function _classCallCheck(instance, Constructor) {
    if (!(instance instanceof Constructor)) {
        throw new TypeError("Cannot call a class as a function")
    }
}

function _defineProperties(target, props) {
    for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) {
            descriptor.writable = true
        }
        Object.defineProperty(target, descriptor.key, descriptor)
    }
}

function _createClass(Constructor, protoProps, staticProps) {
    if (protoProps) {
        _defineProperties(Constructor.prototype, protoProps)
    }
    if (staticProps) {
        _defineProperties(Constructor, staticProps)
    }
    return Constructor
}
var OperationManager = function() {
    function OperationManager() {
        _classCallCheck(this, OperationManager);
        this._counter = -1;
        this._deferreds = {}
    }
    _createClass(OperationManager, [{
        key: "add",
        value: function(deferred) {
            this._counter++;
            this._deferreds[this._counter] = deferred;
            return this._counter
        }
    }, {
        key: "remove",
        value: function(operationId) {
            return delete this._deferreds[operationId]
        }
    }, {
        key: "cancel",
        value: function(operationId) {
            if (operationId in this._deferreds) {
                this._deferreds[operationId].reject(_utils.CANCELED_TOKEN);
                return true
            }
            return false
        }
    }, {
        key: "cancelAll",
        value: function() {
            while (this._counter > -1) {
                this.cancel(this._counter);
                this._counter--
            }
        }
    }]);
    return OperationManager
}();
exports.default = OperationManager;