82 lines
3.4 KiB
JavaScript
82 lines
3.4 KiB
JavaScript
"use strict";
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var __read = (this && this.__read) || function (o, n) {
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var m = typeof Symbol === "function" && o[Symbol.iterator];
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if (!m) return o;
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var i = m.call(o), r, ar = [], e;
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try {
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while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
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}
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catch (error) { e = { error: error }; }
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finally {
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try {
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if (r && !r.done && (m = i["return"])) m.call(i);
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}
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finally { if (e) throw e.error; }
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}
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return ar;
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};
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var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
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if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
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if (ar || !(i in from)) {
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if (!ar) ar = Array.prototype.slice.call(from, 0, i);
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ar[i] = from[i];
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}
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}
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return to.concat(ar || Array.prototype.slice.call(from));
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.VariadicTimedSingleton = void 0;
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var HashMap_1 = require("../container/HashMap");
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var TimedSingleton_1 = require("./TimedSingleton");
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var iterations_1 = require("../ranges/algorithm/iterations");
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var hash_1 = require("../functional/hash");
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/**
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* Variadic timed singleton generator.
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*
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* The `VariadicTimedSingleton` is a type of {@link VariadicSingleton} class who re-constructs
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* the singleton value repeatedly whenever specific time has been elapsed after the last lazy
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* construction.
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*
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* @template T Type of the value to be lazy-constructed
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* @template Args Type of parameters of the lazy constructor function
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* @author Jeongho Nam - https://github.com/samchon
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*/
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var VariadicTimedSingleton = /** @class */ (function () {
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/**
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* Initializer Constructor.
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*
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* @param interval Specific interval time, to determine whether re-generation of the singleton value is required or not, as milliseconds
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* @param closure Lazy constructor function returning the target value
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* @param hasher Hash function for the *lazy constructor* function arguments
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* @param pred Predicator function for the *lazy constructor* function arguments
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*/
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function VariadicTimedSingleton(interval, closure, hasher, pred) {
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if (hasher === void 0) { hasher = function (args) { return hash_1.hash.apply(void 0, __spreadArray([], __read(args), false)); }; }
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if (pred === void 0) { pred = iterations_1.equal; }
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this.interval_ = interval;
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this.closure_ = closure;
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this.dict_ = new HashMap_1.HashMap(hasher, pred);
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}
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/**
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* Get value.
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*
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* @param args Parameters for the lazy constructor function
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* @returns The lazy constructed value
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*/
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VariadicTimedSingleton.prototype.get = function () {
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var _a;
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var args = [];
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for (var _i = 0; _i < arguments.length; _i++) {
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args[_i] = arguments[_i];
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}
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var it = this.dict_.find(args);
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if (it.equals(this.dict_.end()) == true) {
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var singleton = new TimedSingleton_1.TimedSingleton(this.interval_, this.closure_);
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it = this.dict_.emplace(args, singleton).first;
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}
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return (_a = it.second).get.apply(_a, __spreadArray([], __read(args), false));
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};
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return VariadicTimedSingleton;
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}());
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exports.VariadicTimedSingleton = VariadicTimedSingleton;
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//# sourceMappingURL=VariadicTimedSingleton.js.map
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