ajsfw/mvvm/lib/Model/Model.js

Ajs Framework

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var exceptions = require("./exceptions");
var Model = (function () {
    function Model(container) {
        this.__initialized = false;
        this.__container = container;
    }
    Model.prototype._initialized = function () { return this.__initialized; };
    Model.prototype.initialize = function () {
        if (!this.__initialized) {
            return this.__initialize();
        }
    };
    Model.prototype.release = function () {
        this.__release();
    };
    Model.prototype._onInitialize = function () {
        return Promise.resolve();
    };
    Model.prototype._onInitialized = function () {
        return;
    };
    Model.prototype._onFinalize = function () {
        return;
    };
    Model.prototype._checkInitialized = function (exception, callForward) {
        this.__checkInitialized(exception, callForward);
    };
    Model.prototype._waitInitialized = function (timeout) {
        var _this = this;
        var timeStep = 250;
        return new Promise(function (resolve, reject) {
            var elapsed = 0;
            var w;
            function wait() {
                if (this.__initialized) {
                    resolve();
                }
                else {
                    elapsed += timeStep;
                    if (elapsed > timeout) {
                        reject(new exceptions.InitializationTimeoutException());
                    }
                    setTimeout(function () { return w(); }, timeStep);
                }
            }
            w = wait.bind(_this);
            w();
        });
    };
    Model.prototype.__initialize = function () {
        var _this = this;
        var promise = new Promise(function (resolve) {
            _this._onInitialize()
                .then(function () {
                _this.__initialized = true;
                _this._onInitialized();
                resolve();
            });
        });
        return promise;
    };
    Model.prototype.__destroy = function () {
        this._onFinalize();
    };
    Model.prototype.__release = function () {
        if (this.__container.releaseScopedInstanceReference(this)) {
            this.__destroy();
        }
    };
    Model.prototype.__checkInitialized = function (exception, callForward) {
        var _this = this;
        if (!this.__initialized) {
            var timeout_1 = 80;
            var w8timer_1 = setInterval(function () {
                if (_this.__initialized) {
                    clearInterval(w8timer_1);
                    callForward();
                }
                else {
                    timeout_1--;
                    if (timeout_1 <= 0) {
                        clearInterval(w8timer_1);
                        throw exception;
                    }
                }
            }, 250);
        }
        else {
            callForward();
        }
    };
    return Model;
}());
exports.Model = Model;