Create overall control with AppControl,RANControl

[portal/ric-dashboard.git] / webapp-frontend / src / app / ran-control / ran-control.datasource.ts

diff --git a/webapp-frontend/src/app/ran-control/ran-control.datasource.ts b/webapp-frontend/src/app/ran-control/ran-control.datasource.ts
new file mode 100644 (file)
index 0000000..431537f
--- /dev/null
+++ b/webapp-frontend/src/app/ran-control/ran-control.datasource.ts
@@ -0,0 +1,60 @@
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 AT&T Intellectual Property and Nokia
+ * %%
+ * 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.
+ * ========================LICENSE_END===================================
+ */
+
+import { CollectionViewer, DataSource } from '@angular/cdk/collections';
+import { Observable } from 'rxjs/Observable';
+import { catchError, finalize } from 'rxjs/operators';
+import { of } from 'rxjs/observable/of';
+import { BehaviorSubject } from 'rxjs/BehaviorSubject';
+import { E2SetupRequest } from '../interfaces/e2-mgr.types';
+import { E2ManagerService } from '../services/e2-mgr/e2-mgr.service';
+
+export class RANControlDataSource extends DataSource<E2SetupRequest> {
+
+  private ranControlSubject = new BehaviorSubject<E2SetupRequest[]>([]);
+
+  private loadingSubject = new BehaviorSubject<boolean>(false);
+
+  public loading$ = this.loadingSubject.asObservable();
+
+  constructor(private e2MgrSvcservice: E2ManagerService) {
+    super();
+  }
+
+  loadTable() {
+    this.loadingSubject.next(true);
+    this.e2MgrSvcservice.getAll()
+      .pipe(
+        catchError(() => of([])),
+        finalize(() => this.loadingSubject.next(false))
+      )
+      .subscribe((ranControl: E2SetupRequest[]) => this.ranControlSubject.next(ranControl));
+  }
+
+  connect(collectionViewer: CollectionViewer): Observable<E2SetupRequest[]> {
+    return this.ranControlSubject.asObservable();
+  }
+
+  disconnect(collectionViewer: CollectionViewer): void {
+    this.ranControlSubject.complete();
+    this.loadingSubject.complete();
+  }
+
+}