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-rw-r--r--cds-ui/server/src/sequence.ts56
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+/*
+============LICENSE_START==========================================
+===================================================================
+Copyright (C) 2018-19 IBM Intellectual Property. All rights reserved.
+===================================================================
+
+Unless otherwise specified, all software contained herein is licensed
+under the Apache License, Version 2.0 (the License);
+you may not use this software 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.
+============LICENSE_END============================================
+*/
+
+import { inject } from '@loopback/context';
+import {
+ FindRoute,
+ InvokeMethod,
+ ParseParams,
+ Reject,
+ RequestContext,
+ RestBindings,
+ Send,
+ SequenceHandler,
+} from '@loopback/rest';
+
+const SequenceActions = RestBindings.SequenceActions;
+
+export class MySequence implements SequenceHandler {
+ constructor(
+ @inject(SequenceActions.FIND_ROUTE) protected findRoute: FindRoute,
+ @inject(SequenceActions.PARSE_PARAMS) protected parseParams: ParseParams,
+ @inject(SequenceActions.INVOKE_METHOD) protected invoke: InvokeMethod,
+ @inject(SequenceActions.SEND) public send: Send,
+ @inject(SequenceActions.REJECT) public reject: Reject,
+ ) { }
+
+ async handle(context: RequestContext) {
+ try {
+ const { request, response } = context;
+ const route = this.findRoute(request);
+ const args = await this.parseParams(request, route);
+ const result = await this.invoke(route, args);
+ this.send(response, result);
+ } catch (err) {
+ this.reject(context, err);
+ }
+ }
+}