@dialog-db/query/dist/src/source/lru.d.ts

Datalog query engine inspired by Datomic

export function identify({ the, of, is }: API.FactsSelector): string;
export function create(source: API.Querier, { capacity }?: {
    capacity?: number | undefined;
}): LRUCache;
import * as API from '../api.js';
/**
 * Implements a Least Recently Used (LRU) cache for facts with a capacity limit
 * based on the total number of individual facts cached.
 */
declare class LRUCache {
    /**
     * @param {API.Querier} source - The underlying data source
     * @param {number} capacity - Maximum number of individual facts to store in cache
     */
    constructor(source: API.Querier, capacity: number);
    source: API.Querier;
    capacity: number;
    /** @type {Map<string, API.Datum[]>} */
    cache: Map<string, API.Datum[]>;
    /**
     * Updates the LRU order by removing and re-adding the key
     * @param {string} key
     */
    touch(key: string): void;
    /**
     * Evicts entries until cache is under capacity
     */
    evict(): void;
    /**
     * @param {API.FactsSelector} selector
     */
    select(selector: API.FactsSelector): Generator<typeof import("../task.js").SUSPEND | import("../task.js").Join | import("../task.js").Throw<Error>, API.Datum<`${string}/${string}`, API.Entity, API.Scalar>[], unknown>;
    /**
     * Clears the cache
     */
    clear(): void;
    /**
     * Returns current number of cached facts
     */
    size(): number;
    /**
     * Returns the number of cached queries
     */
    get count(): number;
    #private;
}
export {};
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