mongodb-simplecrawler-queue/lib/src/MongoQueue.d.ts

MongoDB FetchQueue Implementation for Simplecrawler

import { Collection, Db, MongoClient } from 'mongodb';
import { FetchQueue, QueueItem, MongoDbQueueConfig, MongoQueueItem } from './typings';
import { GarbageCollector } from './GarbageCollector';
import { Monitor } from './Monitor';
export declare class MongoDbQueue implements FetchQueue {
    config: MongoDbQueueConfig;
    client: MongoClient;
    db: Db;
    collection: Collection<MongoQueueItem>;
    garbageCollector: GarbageCollector;
    monitor: Monitor;
    constructor(config: MongoDbQueueConfig | any);
    private addToQueue;
    private convertForUpdate;
    private convertForFilter;
    private handleCallback;
    init(callback?: Function): Promise<void>;
    finalize(callback?: Function): Promise<void>;
    drop(callback?: Function): Promise<void>;
    add(queueItemOriginal: QueueItem, force: boolean, callback?: Function): Promise<QueueItem | void>;
    exists(url: string, callback?: Function): Promise<boolean | void>;
    get(index: number, callback?: Function): Promise<QueueItem | void>;
    update(id: number, updates: QueueItem, callback?: Function): Promise<MongoQueueItem | void>;
    oldestUnfetchedItem(callback?: Function): Promise<QueueItem | void>;
    max(statisticName: string, callback?: Function): Promise<number | void>;
    min(statisticName: string, callback?: Function): Promise<number | void>;
    avg(statisticName: string, callback?: Function): Promise<number | void>;
    countItems(comparator: object, callback?: Function): Promise<number | void>;
    filterItems(comparator: object, callback?: Function): Promise<QueueItem[] | void>;
    getLength(callback?: Function): Promise<number | void>;
    freeze(filename: string, callback?: Function): Promise<boolean | void>;
    defrost(filename: string, callback?: Function): Promise<boolean | void>;
}
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