Updating observable on webscoket event

Change-Id: I8325785b8d40b646ea67f28b61b8d603803a571e
diff --git a/src/app/hello.ts b/src/app/hello.ts
index 554b2de..8757cc3 100644
--- a/src/app/hello.ts
+++ b/src/app/hello.ts
@@ -2,31 +2,39 @@
 import {Component, OnInit} from '@angular/core';
 import {StyleConfig} from './config/style.config';
 import {CoreService} from './services/rest/core.service';
+import {InstanceStore} from './services/stores/instance.store';
+import {IInstance} from './interfaces/instance.interface';
 
 @Component({
   selector: 'xos-app',
   template: require('./hello.html'),
-  providers: [CoreService],
+  providers: [CoreService, InstanceStore],
 })
 export class HelloComponent implements OnInit {
 
   // declare class properties
   public hello: string;
-  public endpoints: any[];
+  public instances: IInstance[];
 
-  constructor(private coreService: CoreService) {
+  constructor(
+    private coreService: CoreService,
+    private instanceStore: InstanceStore
+  ) {
     this.hello = `Hello ${StyleConfig.projectName}!`;
-    this.endpoints = [];
+    this.instances = [];
   }
 
   ngOnInit() {
     console.log('on init');
-    this.coreService.getCoreEndpoints()
+    this.instanceStore.query()
       .subscribe(
-        endpoints => {
-          this.endpoints = endpoints;
+        instances => {
+          console.log(instances);
+          this.instances = instances;
         },
-        err => console.log
+        err => {
+          console.warn(err);
+        }
       );
   }
 }