levelcache/ts/levelcache.classes.cache.memorymanager.ts
2021-04-23 18:40:57 +00:00

46 lines
1.3 KiB
TypeScript

import * as plugins from './levelcache.plugins';
import { AbstractCache } from './levelcache.abstract.classes.cache';
import { CacheEntry } from './levelcache.classes.cacheentry';
import { ILevelCacheConstructorOptions, LevelCache } from './levelcache.classes.levelcache';
export class CacheMemoryManager extends AbstractCache {
private levelCacheRef: LevelCache;
private fastMap = new plugins.lik.FastMap<CacheEntry>();
private readyDeferred = plugins.smartpromise.defer<void>();
public ready = this.readyDeferred.promise;
public status: 'active' | 'inactive';
constructor(levelCacheRefArg: LevelCache) {
super();
this.levelCacheRef = levelCacheRefArg;
this.init();
}
public async init() {
this.status = 'active';
this.readyDeferred.resolve();
}
public async storeCacheEntryByKey(keyArg: string, cacheEntryArg: CacheEntry): Promise<void> {
this.fastMap.addToMap(keyArg, cacheEntryArg, { force: true });
}
public async retrieveCacheEntryByKey(keyArg: string): Promise<CacheEntry> {
return this.fastMap.getByKey(keyArg);
}
public async checkKeyPresence(keyArg: string): Promise<boolean> {
if (this.fastMap.getByKey(keyArg)) {
return true;
} else {
return false;
}
}
public async clean() {
this.fastMap.clean();
}
}