nope/lib/communication/eventLayer.ts

48 lines
1.5 KiB
TypeScript

import { EventEmitter } from "events";
import { ICommunicationInterface, requestTaskMsg, responseTaskMsg, availableServices } from "../dispatcher/nopeDispatcher";
/**
* A Communication Layer for the Dispatchers.
* Here, only a Events are used.
*
* @export
* @class EventLayer
* @implements {ICommunicationInterface}
*/
export class EventLayer implements ICommunicationInterface {
emitRpcRequest(name: string, request: requestTaskMsg): void {
this._emitter.emit(name, request);
}
emitRpcResult(name: string, result: responseTaskMsg): void {
this._emitter.emit(name,result);
}
onRpcResult(name: string, cb: (result: responseTaskMsg) => void): void {
this._emitter.on(name, cb);
}
offRpcResponse(name: string, cb: (result: responseTaskMsg) => void): void {
this._emitter.off(name, cb);
}
onRpcRequest(name: string, cb: (data: requestTaskMsg) => void): void {
this._emitter.on(name, cb);
}
offRpcRequest(name: string, cb: (data: requestTaskMsg) => void): void {
this._emitter.off(name, cb);
}
emitNewServicesAvailable(services: availableServices): void {
this._emitter.emit('services', services)
}
onNewServicesAvailable(cb: (services: availableServices) => void) {
this._emitter.on('services', cb);
}
constructor(
public readonly subscriptionMode: 'individual' | 'generic',
public readonly resultSharing: 'individual' | 'generic',
protected _logger?: Logger
){
}
protected _emitter = new EventEmitter();
}