4 files changed, 74 insertions, 0 deletions
diff --git a/usecaseui-portal/src/app/core/services/appEvent.ts b/usecaseui-portal/src/app/core/services/appEvent.ts
new file mode 100644
index 00000000..775eced9
--- /dev/null
+++ b/usecaseui-portal/src/app/core/services/appEvent.ts
@@ -0,0 +1,23 @@
+/*
+    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 {AppEventType} from "@src/app/core/services/appEventType";
+
+export class AppEvent<T> {
+    constructor(
+        public type: AppEventType,
+        public payload: T,
+    ) {}
+}
+\ No newline at end of file
diff --git a/usecaseui-portal/src/app/core/services/appEventType.ts b/usecaseui-portal/src/app/core/services/appEventType.ts
new file mode 100644
index 00000000..e5369a8c
--- /dev/null
+++ b/usecaseui-portal/src/app/core/services/appEventType.ts
@@ -0,0 +1,4 @@
+export enum AppEventType {
+    GenericEvent = 'GENERIC_EVENT',
+    UserNodeDrag = 'USER_NODE_DRAG'
+}
+\ No newline at end of file
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);
+    }
+
+}
+\ No newline at end of file
diff --git a/usecaseui-portal/src/app/core/services/networkHttpservice.service.ts b/usecaseui-portal/src/app/core/services/networkHttpservice.service.ts
index 20b79a77..0959f564 100644
--- a/usecaseui-portal/src/app/core/services/networkHttpservice.service.ts
+++ b/usecaseui-portal/src/app/core/services/networkHttpservice.service.ts
@@ -27,6 +27,7 @@ export class networkHttpservice {
     url = {
         "getNetworkD3Data": this.baseUrl+"/uui-sotn/getNetWorkResources",
         "getLogicalLinksData": this.baseUrl+"/uui-sotn/getLogicalLinks",
+        "getPnfsData": this.baseUrl+"/uui-sotn/getPnfs",
         "deleteCloud": this.baseUrl+"/uui-sotn/deleteExtNetWork",
         "getPInterfacesData": this.baseUrl+"/uui-sotn/getPinterfaceByPnfName/",
         "createLink": this.baseUrl+"/uui-sotn/createLink/",
@@ -39,6 +40,7 @@ export class networkHttpservice {
         "createCloudLink": this.baseUrl+"/uui-sotn/createLink/",
         "createCloudUrl": this.baseUrl+"/uui-sotn/createHostUrl/",
         "deleteLink": this.baseUrl+"/uui-sotn/deleteLink/",
+        "getConnectivities": this.baseUrl+"/uui-sotn/getConnectivityInfo",
 
     };
 
@@ -47,6 +49,10 @@ export class networkHttpservice {
     getNetworkD3Data() {
         return this.http.get<any>(this.url["getNetworkD3Data"]);
     }
+    // GET AAI PNF(s) data
+    getPnfsData() {
+        return this.http.get<any>(this.url["getPnfsData"]);
+    }
     //Initialize the connection logical-links
     getLogicalLinksData() {
         return this.http.get<any>(this.url["getLogicalLinksData"]);
@@ -76,6 +82,11 @@ export class networkHttpservice {
     queryExtAAIIdVersion(aaiId) {
         return this.http.get<any>(this.url["queryExtAAIIdVersion"] + aaiId);
     }
+
+    getConnectivities(){
+        return this.http.get<any>(this.url["getConnectivities"]);
+    }
+
     //Create an external cloud newwork interface
     createNetwrok(paramsObj) {
         return this.http.put<any>(this.url["createNetwrok"] + paramsObj["network-id"], paramsObj);