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@x5e/gink

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an eventually consistent database

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import { Database } from "./Database"; import { Container } from "./Container"; import { ScalarKey, Muid, AsOf, Meta } from "./typedefs"; export declare class KeySet extends Container { private constructor(); static get(database?: Database, muid?: Muid): KeySet; static create(database?: Database, meta?: Meta): Promise<KeySet>; /** * Adds a key to the keyset. * If a bundler is supplied, the function will add the entry to that bundler * and return immediately (presumably you know what to do with a CS if you passed it in). * If the caller does not supply a bundler, then one is created on the fly, and * then this method will await on the CS being added to the database instance. * This is to allow simple console usage like: * await myKeySet.add("foo"); * @param key * @param change an optional bundler to put this in. * @returns a promise that resolves to the address of the newly created entry */ add(key: ScalarKey, meta?: Meta): Promise<Muid>; /** * Similar to add method, but for multiple entries. * @param keys an iterable of keys to add to the key set * @param change an optional bundler to put this in. * @returns a promise that resolves to a Bundler object for the created entries. */ update(keys: Iterable<ScalarKey>, meta?: Meta): Promise<void>; /** * Adds a deletion marker (tombstone) for a particular key in the directory. * The corresponding value will be seen to be unset in the data model. * @param key * @param change an optional bundler to put this in. * @returns a promise that resolves to the address of the newly created deletion entry */ delete(key: ScalarKey, meta?: Meta): Promise<Muid>; /** * Function to iterate over the contents of the key set. * @param asOf * @returns an async iterator across everything in the key set, with values returned as pairs of Key, Key */ entries(asOf?: AsOf): AsyncGenerator<[ScalarKey, ScalarKey], void, unknown>; /** * Returns whether the key set has a key or not. * @param key * @param asOf * @returns true if the key set has the key, false if not. */ has(key: ScalarKey, asOf?: AsOf): Promise<boolean>; reset(toTime?: AsOf, recurse?: any, meta?: Meta): Promise<void>; /** * Returns the contents of the key set as a set. * @param asOf * @returns a promise that resolves to a set with KeyTypes. */ toSet(asOf?: AsOf): Promise<Set<ScalarKey>>; /** * How many entries are in the key set. * @param asOf * @returns a promise that resolves to a number. */ size(asOf?: AsOf): Promise<number>; /** * Generates a JSON representation of the data in the key set. * Mostly intended for demo/debug purposes. * @param indent true to pretty print * @param asOf effective time * @param seen (internal use only! This prevents cycles from breaking things) * @returns a JSON string */ toJson(indent?: number | boolean, asOf?: AsOf, seen?: Set<string>): Promise<string>; }