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29 lines
924 B
29 lines
924 B
import {HTTPKernelModule} from '../HTTPKernelModule'
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import {Inject, Injectable} from '../../../di'
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import {HTTPKernel} from '../HTTPKernel'
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import {Request} from '../../lifecycle/Request'
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import {EventBus} from '../../../event/EventBus'
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import {PropagatingEventBus} from '../../../event/PropagatingEventBus'
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/**
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* HTTP kernel module that creates a request-specific event bus
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* and injects it into the request container.
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*/
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@Injectable()
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export class InjectRequestEventBusHTTPModule extends HTTPKernelModule {
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@Inject()
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protected bus!: EventBus
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public static register(kernel: HTTPKernel): void {
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kernel.register(this).first()
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}
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public async apply(request: Request): Promise<Request> {
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const bus = <PropagatingEventBus> this.make(PropagatingEventBus)
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bus.connect(this.bus)
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request.purge(EventBus).registerProducer(EventBus, () => bus)
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return request
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}
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}
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