@dolittle/sdk.projections/IProjections.ts

Dolittle is a decentralized, distributed, event-driven microservice platform built to harness the power of events.

// Copyright (c) Dolittle. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.

import { Cancellation } from '@dolittle/sdk.resilience';

import { ProjectionProcessor } from './Internal/ProjectionProcessor';

/**
 * Defines the system for projections.
 */
export abstract class IProjections {

    /**
     * Register a a projection.
     * @template T Type of the readmodel.
     * @param {ProjectionProcessor} projectionProcessor - Projection processor to register.
     * @param {Cancellation} cancellation - Used to close the connection to the Runtime.
     */
    abstract register<T>(projectionProcessor: ProjectionProcessor<T>, cancellation?: Cancellation): void;
}