import { Tracing, TracingData } from '@dollarsign/nestjs-jaeger-tracing'; import { Logger } from '@nestjs/common'; import { Args, Mutation, Query, Resolver } from '@nestjs/graphql'; import { Observable } from 'rxjs'; import { AppService } from './app.service'; @Resolver() export class AppResolver { constructor(private readonly appService: AppService) {} @Query('getHello') hello(@Tracing() tracing: TracingData): string { Logger.log({ getHello: tracing }); return this.appService.getHello(); } @Mutation('echoMessage') replyMessage( @Tracing() tracing: TracingData, @Args('message') message: string, ): Observable<string> { Logger.log({ echoMessage: tracing }); return this.appService.echoMessage(message); } }