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Diffstat (limited to 'usecaseui-portal/src/app/core/services/eventQueue.service.ts')
-rw-r--r-- | usecaseui-portal/src/app/core/services/eventQueue.service.ts | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/usecaseui-portal/src/app/core/services/eventQueue.service.ts b/usecaseui-portal/src/app/core/services/eventQueue.service.ts new file mode 100644 index 00000000..e4c32c38 --- /dev/null +++ b/usecaseui-portal/src/app/core/services/eventQueue.service.ts @@ -0,0 +1,36 @@ +/* + Copyright (C) 2021 Huawei Canada, Inc. and others. All rights reserved. + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +import { Injectable } from '@angular/core'; +import {Observable, Subject} from "rxjs/Rx"; +import {AppEvent} from "@src/app/core/services/appEvent"; +import {AppEventType} from "@src/app/core/services/appEventType"; +import {filter} from "rxjs/operators"; + +@Injectable() +export class EventQueueService { + + private eventBroker = new Subject<AppEvent<any>>(); + + on(eventType: AppEventType): Observable<AppEvent<any>> { + return this.eventBroker.pipe(filter(event => event.type === eventType)); + } + + dispatch<T>(event: AppEvent<T>): void { + this.eventBroker.next(event); + } + +}
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