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molstar

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A comprehensive macromolecular library.

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"use strict"; /** * Copyright (c) 2018 mol* contributors, licensed under MIT, See LICENSE file for more info. * * @author David Sehnal <david.sehnal@gmail.com> */ Object.defineProperty(exports, "__esModule", { value: true }); exports.Cache = void 0; const console_logger_1 = require("../../../mol-util/console-logger"); const generic_1 = require("../../../mol-data/generic"); const config_1 = require("../config"); class Cache { clearTimeout(e) { if (typeof e.value.timeoutId !== 'undefined') { clearTimeout(e.value.timeoutId); e.value.timeoutId = void 0; } } dispose(e) { this.clearTimeout(e); if (e.inList) { this.entries.remove(e); this.approximateSize -= e.value.approximateSize; } this.entryMap.delete(e.value.key); } refresh(e) { this.clearTimeout(e); e.value.timeoutId = setTimeout(() => this.expireNode(e), config_1.ModelServerConfig.cacheEntryTimeoutMs); this.entries.remove(e); this.entries.addFirst(e.value); } expireNode(e, notify = true) { if (notify) console_logger_1.ConsoleLogger.log('Cache', `${e.value.key} expired.`); this.dispose(e); } expireAll() { for (let e = this.entries.first; e; e = e.next) this.expireNode(e, false); } expire(key) { const entry = this.entryMap.get(key); if (!entry) return; this.expireNode(entry); } add(item) { const key = this.keyGetter(item); const approximateSize = this.sizeGetter(item); if (this.entryMap.has(key)) this.dispose(this.entryMap.get(key)); if (config_1.ModelServerConfig.cacheMaxSizeInBytes < this.approximateSize + approximateSize) { if (this.entries.last) this.dispose(this.entries.last); } this.approximateSize += approximateSize; const entry = { key, approximateSize, timeoutId: void 0, item }; const e = this.entries.addFirst(entry); this.entryMap.set(key, e); this.refresh(e); console_logger_1.ConsoleLogger.log('Cache', `${key} added.`); return item; } has(key) { return this.entryMap.has(key); } get(key) { if (!this.entryMap.has(key)) return void 0; const e = this.entryMap.get(key); this.refresh(e); console_logger_1.ConsoleLogger.log('Cache', `${key} accessed.`); return e.value.item; } constructor(keyGetter, sizeGetter) { this.keyGetter = keyGetter; this.sizeGetter = sizeGetter; this.entries = (0, generic_1.LinkedList)(); this.entryMap = new Map(); this.approximateSize = 0; } } exports.Cache = Cache;