@jahed/sparql-engine/dist/operators/update/consumer.d.ts

SPARQL query engine for servers and web browsers.

import { type PipelineObserverOrNext, type PipelineStage, type PipelineSubscription } from "../../engine/pipeline/pipeline-engine.ts";
import type { EngineTriple } from "../../types.ts";
export declare abstract class Consumable<T> implements PipelineStage<T> {
    abstract execute(): Promise<void>;
    subscribe(observerOrNext: PipelineObserverOrNext<T>): PipelineSubscription;
    forEach(cb: (value: T) => void): void;
    pipe<N>(fn: (source: PipelineStage<T>) => PipelineStage<N>): PipelineStage<N>;
    [Symbol.asyncIterator](): AsyncIterator<T>;
}
export declare class ErrorConsumable<T> extends Consumable<T> {
    private readonly _reason;
    constructor(reason: string);
    execute(): Promise<void>;
}
export declare abstract class Consumer<T> extends Consumable<T> {
    private readonly _source;
    constructor(source: PipelineStage<EngineTriple>);
    execute(): Promise<void>;
    abstract onData(triple: EngineTriple): Promise<void>;
}