@bililive-tools/manager/lib/cache.js

Batch scheduling recorders

/**
 * Cache system for RecorderManager
 * 提供统一的缓存接口用于处理持久化事务
 */
/**
 * 内存缓存实现
 */
export class MemoryCacheStore {
    store = new Map();
    async get(key) {
        const item = this.store.get(key);
        if (!item)
            return undefined;
        if (item.expireAt && Date.now() > item.expireAt) {
            this.store.delete(key);
            return undefined;
        }
        return item.value;
    }
    async set(key, value, ttl) {
        const item = { value };
        if (ttl) {
            item.expireAt = Date.now() + ttl;
        }
        this.store.set(key, item);
    }
    async delete(key) {
        this.store.delete(key);
    }
    async clear() {
        this.store.clear();
    }
    async has(key) {
        const value = await this.get(key);
        return value !== undefined;
    }
}
/**
 * RecorderCache 实现
 */
export class RecorderCacheImpl {
    store;
    constructor(store) {
        this.store = store;
    }
    createNamespace(recorderId) {
        return new NamespacedCacheImpl(this.store, `recorder:${recorderId}`);
    }
    global() {
        return new NamespacedCacheImpl(this.store, "global");
    }
}
/**
 * 命名空间缓存实现
 */
class NamespacedCacheImpl {
    store;
    namespace;
    constructor(store, namespace) {
        this.store = store;
        this.namespace = namespace;
    }
    getKey(key) {
        return `${this.namespace}:${key}`;
    }
    async get(key) {
        return this.store.get(this.getKey(key));
    }
    async set(key, value) {
        return this.store.set(this.getKey(key), value);
    }
    async delete(key) {
        return this.store.delete(this.getKey(key));
    }
}