diff --git a/connect/affiliations/affiliations.component.ts b/connect/affiliations/affiliations.component.ts
index f786fe86..395f052a 100644
--- a/connect/affiliations/affiliations.component.ts
+++ b/connect/affiliations/affiliations.component.ts
@@ -28,13 +28,11 @@ export class AffiliationsComponent {
   public properties: EnvProperties = properties;
   private subscriptions = [];
   
-  constructor(private route: ActivatedRoute, private affiliationService: AffiliationService) {
+  constructor(private route: ActivatedRoute, private affiliationService: AffiliationService, private config: ConfigurationService) {
   }
   
-  public ngOnInit(/*private config: ConfigurationService */) {
-    this.communityId = ConnectHelper.getCommunityFromDomain(properties.domain);
-
-  /*  this.subscriptions.push(this.config.portalAsObservable.subscribe(
+  public ngOnInit() {
+    this.subscriptions.push(this.config.portalAsObservable.subscribe(
       res => {
         // this.portal = res;
         this.communityId = res.pid
@@ -42,7 +40,7 @@ export class AffiliationsComponent {
       error => {
         console.log(error);
       }
-    ));*/
+    ));
     if (this.getAffiliationsFromAPI) {
       this.showLoading = true;
       this.affiliationService.initAffiliations(this.communityId);
diff --git a/dashboard/plugins/components/featured-datasets/plugin-featured-datasets.component.html b/dashboard/plugins/components/featured-datasets/plugin-featured-datasets.component.html
index 7b31dcfe..10828a57 100644
--- a/dashboard/plugins/components/featured-datasets/plugin-featured-datasets.component.html
+++ b/dashboard/plugins/components/featured-datasets/plugin-featured-datasets.component.html
@@ -12,15 +12,21 @@
         {{pluginObject.textLine2}}
       </div>
     </div>
-  <!--  <no-load-paging *ngIf="fetchFeaturedDatasets && fetchFeaturedDatasets.searchUtils.totalResults > size" [type]="'Featured Datasets'"
-                    (pageChange)="updatePage($event)"
-                    [page]="fetchFeaturedDatasets.searchUtils.page" [pageSize]="size"
-                    [totalResults]="fetchFeaturedDatasets.searchUtils.totalResults" >
-    </no-load-paging>-->
-    <search-result	[properties]="properties"
-                    [results]="fetchFeaturedDatasets.results"
-                    [status]="fetchFeaturedDatasets.searchUtils.status"
-                    [type]="'dataset'" [showEnermaps]="true"  >
-    </search-result>
+    <div *ngIf="fetchFeaturedDatasets" uk-slider class="uk-slider">
+      <ul *ngIf="slides" class="uk-slider-items" uk-height-match="target: .uk-card; row: false">
+        <li *ngFor="let slide of [].constructor(slides); let i=index" class="uk-width-1-1 uk-padding">
+          <div class="uk-grid  uk-child-width-1-1" uk-grid uk-scrollspy="target: [uk-scrollspy-class]; cls: uk-animation-fade; repeat: true">
+            <search-result	[properties]="properties"
+                            [results]="fetchFeaturedDatasets.results"
+                            [status]="fetchFeaturedDatasets.searchUtils.status"
+                            [type]="'dataset'" [showEnermaps]="true"  >
+            </search-result>
+          </div>
+        </li>
+      </ul>
+      <ul class="uk-slider-nav uk-dotnav uk-flex-center uk-margin-medium-top"></ul>
+    </div>
+
+
   </div>
 </div>
diff --git a/dashboard/plugins/components/featured-datasets/plugin-featured-datasets.component.ts b/dashboard/plugins/components/featured-datasets/plugin-featured-datasets.component.ts
index 1eaed3d2..1c760867 100644
--- a/dashboard/plugins/components/featured-datasets/plugin-featured-datasets.component.ts
+++ b/dashboard/plugins/components/featured-datasets/plugin-featured-datasets.component.ts
@@ -20,7 +20,8 @@ export class PluginFeaturedDatasetsComponent extends PluginBaseComponent<PluginF
   public fetchFeaturedDatasets: FetchResearchResults;
   page = 1;
   size = 3;
-
+  slides = 1;
+  slideItems = 3;
   constructor(private _searchResearchResultsService: SearchResearchResultsService) {
     super()
     this.fetchFeaturedDatasets = new FetchResearchResults(this._searchResearchResultsService);
@@ -28,9 +29,5 @@ export class PluginFeaturedDatasetsComponent extends PluginBaseComponent<PluginF
     this.fetchFeaturedDatasets.getAllResultsForCommunity("dataset", "enermaps", 1, 50, this.properties, "enermaps::selection");
   }
 
- /* public updatePage(event) {
-    this.page = event.value;
-    this.fetchFeaturedDatasets.searchUtils.page = event.value;
-    this.fetchFeaturedDatasets.results = this.fetchFeaturedDatasets.allResults.slice((this.page - 1) * this.size, this.page * this.size);
-  }*/
+
 }
diff --git a/dashboard/plugins/components/featured-datasets/plugin-featured-datasets.module.ts b/dashboard/plugins/components/featured-datasets/plugin-featured-datasets.module.ts
index f203a0b3..86df2dbe 100644
--- a/dashboard/plugins/components/featured-datasets/plugin-featured-datasets.module.ts
+++ b/dashboard/plugins/components/featured-datasets/plugin-featured-datasets.module.ts
@@ -11,10 +11,11 @@ import {PluginFieldEditModule} from "../../utils/plugin-field-edit.module";
 import {PluginFeaturedDatasetsComponent} from './plugin-featured-datasets.component';
 import {NoLoadPaging} from "../../../../searchPages/searchUtils/no-load-paging.module";
 import {SearchResultsModule} from "../../../../searchPages/searchUtils/searchResults.module";
+import {ResultPreviewModule} from "../../../../utils/result-preview/result-preview.module";
 
 @NgModule({
   imports: [
-    CommonModule, RouterModule, FormsModule, IconsModule, NumberRoundModule, SearchResearchResultsServiceModule, PluginFieldEditModule, NoLoadPaging, SearchResultsModule
+    CommonModule, RouterModule, FormsModule, IconsModule, NumberRoundModule, SearchResearchResultsServiceModule, PluginFieldEditModule, NoLoadPaging, SearchResultsModule, ResultPreviewModule
   ],
   providers:[PluginsService],
   declarations: [PluginFeaturedDatasetsComponent],
diff --git a/dashboard/plugins/components/gateway-information/plugin-gateway-information.component.html b/dashboard/plugins/components/gateway-information/plugin-gateway-information.component.html
index d9aa8df3..9a9e8d97 100644
--- a/dashboard/plugins/components/gateway-information/plugin-gateway-information.component.html
+++ b/dashboard/plugins/components/gateway-information/plugin-gateway-information.component.html
@@ -1,5 +1,5 @@
 <div *ngIf="!community " class="uk-text-muted uk-text-center">
-  No community info available available
+  No community info available
 </div>
 <div class="uk-grid uk-child-width-1-2@m uk-child-width-1-1@s">
   <div *ngIf="portal && community" class=""> <!-- this div will have the
diff --git a/dashboard/plugins/components/gateway-information/plugin-gateway-information.component.ts b/dashboard/plugins/components/gateway-information/plugin-gateway-information.component.ts
index 7dc82d0f..71ee92a3 100644
--- a/dashboard/plugins/components/gateway-information/plugin-gateway-information.component.ts
+++ b/dashboard/plugins/components/gateway-information/plugin-gateway-information.component.ts
@@ -31,6 +31,12 @@ export class PluginGatewayInformation extends PluginBaseInfo{
   datasets:boolean = true;
   software:boolean = true;
   other:boolean = true;
+
+  compare(oldObject): any {
+    let newObj=   super.compare(oldObject);
+    console.log("PluginGatewayInformation", oldObject, newObj)
+    return newObj;
+  }
 }
 @Component({
   selector: 'plugin-gateway-information',
diff --git a/dashboard/plugins/components/how-to-use/plugin-how-to-use.form.component.ts b/dashboard/plugins/components/how-to-use/plugin-how-to-use.form.component.ts
index d4dc33c3..e2111fee 100644
--- a/dashboard/plugins/components/how-to-use/plugin-how-to-use.form.component.ts
+++ b/dashboard/plugins/components/how-to-use/plugin-how-to-use.form.component.ts
@@ -63,7 +63,7 @@ import {PluginBaseFormComponent, PluginEditEvent} from "../../utils/base-plugin.
                              (changed)="cardValueChanged(selectedIndex, $event)"></plugin-field-edit>
         </div>
         <ng-container *ngFor="let cardUrl of pluginObject.cardInfoArray[selectedIndex].urlsArray; let j = index ">
-          <div class=" uk-margin-top uk-text-meta uk-text-xsmall"> Link #{{j+1}}</div>
+          <div class=" uk-margin-top uk-text-meta uk-text-xsmall"> Link #{{j + 1}}</div>
           <div class="uk-margin-small-top">
             <plugin-field-edit [value]=" cardUrl.url"
                                type="text" field="url"
@@ -85,9 +85,11 @@ import {PluginBaseFormComponent, PluginEditEvent} from "../../utils/base-plugin.
 export class PluginHowToUseFormComponent extends PluginBaseFormComponent<PluginHowToUse> {
   selectedIndex = -1;
   @Input() editSubmenuOpen;
+
   constructor() {
     super()
   }
+
   ngOnChanges(changes: SimpleChanges) {
     if (this.editSubmenuOpen == false && this.selectedIndex > -1) {
       this.close();
@@ -95,29 +97,18 @@ export class PluginHowToUseFormComponent extends PluginBaseFormComponent<PluginH
   }
 
   cardShowChanged(i, $event: PluginEditEvent) {
-    if (this.editTemplate) {
-      this.pluginTemplate.object.cardInfoArray[i].show = $event.value;
-      $event.value = this.pluginTemplate.object.cardInfoArray;
-    } else {
-      this.plugin.object.cardInfoArray[i].show = $event.value;
-      $event.value = this.plugin.object.cardInfoArray;
-    }
-
+    this.pluginObject.cardInfoArray[i].show = $event.value;
+    $event.value = this.pluginObject.cardInfoArray;
     this.valuesChanged.emit({field: $event.field, value: $event.value, type: 'parent'})
   }
 
   cardValueChanged(i, $event: PluginEditEvent) {
-    if (this.editTemplate) {
-      this.pluginObject.cardInfoArray[i][$event.field] = $event.value;
-      $event.value = this.pluginObject.cardInfoArray
-    } else {
-      this.pluginObject.cardInfoArray[i][$event.field] = $event.value;
-      $event.value = this.pluginObject.cardInfoArray;
-    }
-
+    this.pluginObject.cardInfoArray[i][$event.field] = $event.value;
+    $event.value = this.pluginObject.cardInfoArray
     this.valuesChanged.emit({field: "cardInfoArray", value: $event.value, type: 'parent'})
   }
-  cardUrlValueChanged(i,  j, $event: PluginEditEvent) {
+
+  cardUrlValueChanged(i, j, $event: PluginEditEvent) {
     if (this.editTemplate) {
       this.pluginObject.cardInfoArray[i].urlsArray[j][$event.field] = $event.value;
       $event.value = this.pluginObject.cardInfoArray;
@@ -128,6 +119,7 @@ export class PluginHowToUseFormComponent extends PluginBaseFormComponent<PluginH
 
     this.valuesChanged.emit({field: "cardInfoArray", value: $event.value, type: 'parent'})
   }
+
   edit(i) {
     this.selectedIndex = i;
     this.toggleSubMenu(true);
diff --git a/dashboard/plugins/components/learn-and-connect/plugin-learn-and-connect.form.component.ts b/dashboard/plugins/components/learn-and-connect/plugin-learn-and-connect.form.component.ts
index 5aca5fa3..98da1391 100644
--- a/dashboard/plugins/components/learn-and-connect/plugin-learn-and-connect.form.component.ts
+++ b/dashboard/plugins/components/learn-and-connect/plugin-learn-and-connect.form.component.ts
@@ -88,7 +88,6 @@ export class PluginLearnAndConnectFormComponent extends PluginBaseFormComponent<
   }
 
 
-
   ngOnChanges(changes: SimpleChanges) {
     if (this.editSubmenuOpen == false && this.selectedIndex > -1) {
       this.close();
@@ -96,26 +95,14 @@ export class PluginLearnAndConnectFormComponent extends PluginBaseFormComponent<
   }
 
   cardShowChanged(i, $event: PluginEditEvent) {
-    if (this.editTemplate) {
-      this.pluginTemplate.object.cardInfoArray[i].show = $event.value;
-      $event.value = this.pluginTemplate.object.cardInfoArray;
-    } else {
-      this.plugin.object.cardInfoArray[i].show = $event.value;
-      $event.value = this.plugin.object.cardInfoArray;
-    }
-
+    this.pluginObject.cardInfoArray[i].show = $event.value;
+    $event.value = this.pluginObject.cardInfoArray;
     this.valuesChanged.emit({field: $event.field, value: $event.value, type: 'parent'})
   }
 
   cardValueChanged(i, $event: PluginEditEvent) {
-    if (this.editTemplate) {
-      this.pluginTemplate.object.cardInfoArray[i][$event.field] = $event.value;
-      $event.value = this.pluginTemplate.object.cardInfoArray;
-    } else {
-      this.plugin.object.cardInfoArray[i][$event.field] = $event.value;
-      $event.value = this.plugin.object.cardInfoArray;
-    }
-
+    this.pluginObject.cardInfoArray[i][$event.field] = $event.value;
+    $event.value = this.pluginObject.cardInfoArray;
     this.valuesChanged.emit({field: "cardInfoArray", value: $event.value, type: 'parent'})
   }
 
diff --git a/dashboard/plugins/components/openaireProducts/plugin-openaire-products.component.ts b/dashboard/plugins/components/openaireProducts/plugin-openaire-products.component.ts
index f8359eaf..c523bf99 100644
--- a/dashboard/plugins/components/openaireProducts/plugin-openaire-products.component.ts
+++ b/dashboard/plugins/components/openaireProducts/plugin-openaire-products.component.ts
@@ -75,6 +75,7 @@ export class PluginOpenaireProductsComponent extends PluginBaseComponent<PluginO
     }
   }
   calculatePages(){
+    this.slides = 1;
     this.servicesToShow = this.services.filter(x => this.pluginObject.serviceIdsArray.indexOf(x.id) != -1);
     if (this.servicesToShow.length > this.slideItems) {
       this.slides = parseInt('' + (this.servicesToShow.length / this.slideItems));
diff --git a/dashboard/plugins/components/organizations/plugin-organizations.component.html b/dashboard/plugins/components/organizations/plugin-organizations.component.html
index 21ff4f7b..9f0676ab 100644
--- a/dashboard/plugins/components/organizations/plugin-organizations.component.html
+++ b/dashboard/plugins/components/organizations/plugin-organizations.component.html
@@ -3,5 +3,5 @@
 
 </div>
 <div *ngIf="!portal " class="uk-text-muted uk-text-center">
-    No community info available available
+    No community info available
 </div>
diff --git a/dashboard/plugins/components/search-deposit-link/plugin-search-deposit-link.component.html b/dashboard/plugins/components/search-deposit-link/plugin-search-deposit-link.component.html
index c6831da4..580412f8 100644
--- a/dashboard/plugins/components/search-deposit-link/plugin-search-deposit-link.component.html
+++ b/dashboard/plugins/components/search-deposit-link/plugin-search-deposit-link.component.html
@@ -6,6 +6,20 @@
       </h2>
     </div>
     <slider-container [total]="activeCards.length" [navigation]="'progress'" [period]="6000" [infinite]="true" [parent]="parent">
+
+      <slider-column type="nav" class="slider-nav">
+        <ng-container *ngFor="let card of activeCards; let i = index">
+          <ng-container *ngIf="card.show">
+            <slider-nav-item [start]="i">
+              <div class="uk-text-primary">{{card.tag}}</div>
+              <h5 class="uk-margin-remove">
+                {{card.title}}
+              </h5>
+              <div>{{card.description}}</div>
+            </slider-nav-item>
+          </ng-container>
+        </ng-container>
+      </slider-column>
       <slider-column type="slider">
         <slider-item type="static">
           <img class="uk-position-center uk-position-z-index" [src]="'https://' + (properties.environment == 'production'?'':'beta.')
@@ -20,19 +34,6 @@
           </ng-container>
         </ng-container>
       </slider-column>
-      <slider-column type="nav" class="slider-nav">
-        <ng-container *ngFor="let card of activeCards; let i = index">
-          <ng-container *ngIf="card.show">
-            <slider-nav-item [start]="i">
-              <div class="uk-text-primary">{{card.tag}}</div>
-              <h5 class="uk-margin-remove">
-                {{card.title}}
-              </h5>
-              <div>{{card.description}}</div>
-            </slider-nav-item>
-          </ng-container>
-        </ng-container>
-      </slider-column>
     </slider-container>
   </div>
 </div>
diff --git a/dashboard/plugins/components/search-deposit-link/plugin-search-deposit-link.component.ts b/dashboard/plugins/components/search-deposit-link/plugin-search-deposit-link.component.ts
index 7604de59..0b9cdba0 100644
--- a/dashboard/plugins/components/search-deposit-link/plugin-search-deposit-link.component.ts
+++ b/dashboard/plugins/components/search-deposit-link/plugin-search-deposit-link.component.ts
@@ -19,6 +19,12 @@ export class PluginSearchDepositLink extends PluginBaseInfo{
       image:'https://' + (properties.environment == 'production'?'':'beta.')
         + 'connect.openaire.eu/assets/connect-assets/home/2.png',show:true},
     ];
+
+  compare(oldObject): any {
+    let newObj=   super.compare(oldObject);
+    console.log("PluginSearchDepositLink", oldObject, newObj)
+    return newObj;
+  }
 }
 @Component({
   selector: 'plugin-search-deposit-link',
diff --git a/dashboard/plugins/components/search-deposit-link/plugin-search-deposit-link.form.component.ts b/dashboard/plugins/components/search-deposit-link/plugin-search-deposit-link.form.component.ts
index a99a5172..f2c2838d 100644
--- a/dashboard/plugins/components/search-deposit-link/plugin-search-deposit-link.form.component.ts
+++ b/dashboard/plugins/components/search-deposit-link/plugin-search-deposit-link.form.component.ts
@@ -95,29 +95,18 @@ export class PluginSearchDepositLinkFormComponent extends PluginBaseFormComponen
   }
 
   cardShowChanged(i, $event: PluginEditEvent) {
-    if (this.editTemplate) {
-      this.pluginTemplate.object.cardInfoArray[i].show = $event.value;
-      $event.value = this.pluginTemplate.object.cardInfoArray;
-    } else {
-      this.plugin.object.cardInfoArray[i].show = $event.value;
-      $event.value = this.plugin.object.cardInfoArray;
-    }
+
+    this.pluginObject.cardInfoArray[i].show = $event.value;
+    $event.value = this.pluginObject.cardInfoArray;
 
     this.valuesChanged.emit({field: $event.field, value: $event.value, type: 'parent'})
   }
 
   cardValueChanged(i, $event: PluginEditEvent) {
-    if (this.editTemplate) {
-      this.pluginTemplate.object.cardInfoArray[i][$event.field] = $event.value;
-      $event.value = this.pluginTemplate.object.cardInfoArray;
-    } else {
-      this.plugin.object.cardInfoArray[i][$event.field] = $event.value;
-      $event.value = this.plugin.object.cardInfoArray;
-    }
-
+    this.pluginObject.cardInfoArray[i][$event.field] = $event.value;
+    $event.value = this.pluginObject.cardInfoArray;
     this.valuesChanged.emit({field: "cardInfoArray", value: $event.value, type: 'parent'})
   }
-
   edit(i) {
     this.selectedIndex = i;
     this.toggleSubMenu(true);
diff --git a/dashboard/plugins/components/suggested-repositories/plugin-suggested-repositories.component.html b/dashboard/plugins/components/suggested-repositories/plugin-suggested-repositories.component.html
index 61d5ea1a..a50f9341 100644
--- a/dashboard/plugins/components/suggested-repositories/plugin-suggested-repositories.component.html
+++ b/dashboard/plugins/components/suggested-repositories/plugin-suggested-repositories.component.html
@@ -1,13 +1,20 @@
-<div class="plugin-suggested-repositories uk-container uk-container-large uk-section">
+<div *ngIf="!community " class="uk-text-muted uk-text-center">
+  No community info available
+</div>
+<div *ngIf="community" class="plugin-suggested-repositories uk-container uk-container-large uk-section">
   <div class="uk-flex uk-flex-middle uk-flex-between uk-margin-large-bottom">
     <h3 class="uk-margin-remove">
       <icon [name]="'database'" [type]="'outlined'" [ratio]="3" class="uk-margin-small-right"></icon>
       {{pluginObject.title}}
     </h3>
-    <a [href]="" class="uk-display-inline-block uk-text-uppercase uk-button uk-button-text uk-text-default">
+    <a *ngIf=" contentProviders && contentProviders.length > 2" [href]="" class="uk-display-inline-block uk-text-uppercase uk-button uk-button-text uk-text-default">
       View all
     </a>
   </div>
+  <div *ngIf="!contentProviders || contentProviders.length == 0 " class="uk-text-muted uk-text-center">
+    No datasources available
+  </div>
+
   <div uk-slider class="uk-slider">
     <ul *ngIf="slides" class="uk-slider-items" uk-height-match="target: .uk-card; row: false">
       <li *ngFor="let slide of [].constructor(slides); let i=index" class="uk-width-1-1 uk-padding">
diff --git a/dashboard/plugins/components/suggested-repositories/plugin-suggested-repositories.component.ts b/dashboard/plugins/components/suggested-repositories/plugin-suggested-repositories.component.ts
index 5e35c25d..4fea041a 100644
--- a/dashboard/plugins/components/suggested-repositories/plugin-suggested-repositories.component.ts
+++ b/dashboard/plugins/components/suggested-repositories/plugin-suggested-repositories.component.ts
@@ -5,7 +5,10 @@ import {ConfigurationService} from "../../../../utils/configuration/configuratio
 import {CommunityService} from "../../../../connect/community/community.service";
 export class PluginSuggestedRepositories extends PluginBaseInfo{
   title:string ="Suggested repositories & journals";
-
+  compare(oldObject): any {
+    console.log()
+    return super.compare(oldObject);
+  }
 }
 @Component({
   selector: 'plugin-suggested-repositories',
diff --git a/dashboard/plugins/utils/base-plugin.component.ts b/dashboard/plugins/utils/base-plugin.component.ts
index 6e6323e7..8af6e719 100644
--- a/dashboard/plugins/utils/base-plugin.component.ts
+++ b/dashboard/plugins/utils/base-plugin.component.ts
@@ -1,4 +1,4 @@
-import {Directive, EventEmitter, Input, OnDestroy, Output} from '@angular/core';
+import {Directive, Input, OnDestroy} from '@angular/core';
 import {Plugin} from "../../../utils/entities/adminTool/plugin";
 import {PluginTemplate} from "../../../utils/entities/adminTool/pluginTemplate";
 import {EnvProperties} from "../../../utils/properties/env-properties";
@@ -15,7 +15,11 @@ export class PluginBaseInfo {
     }else{
       for (let attrKey of Object.keys(this)) {
         if (!oldObject[attrKey] && oldObject[attrKey] != false) {
-          oldObject[attrKey] = Object.assign(this[attrKey])
+          if(typeof this[attrKey] === "string" || typeof this[attrKey] === "boolean"  ){
+            oldObject[attrKey] = this[attrKey];
+          }else {
+            oldObject[attrKey] = Object.assign(this[attrKey])
+          }
         }
       }
     }
diff --git a/dashboard/plugins/utils/pluginUtils.ts b/dashboard/plugins/utils/pluginUtils.ts
index 50e5815f..27c52e52 100644
--- a/dashboard/plugins/utils/pluginUtils.ts
+++ b/dashboard/plugins/utils/pluginUtils.ts
@@ -8,6 +8,7 @@ import {PluginFeaturedDatasets} from "../components/featured-datasets/plugin-fea
 import {PluginHowToUse} from "../components/how-to-use/plugin-how-to-use.component";
 import {PluginSearchDepositLink} from "../components/search-deposit-link/plugin-search-deposit-link.component";
 import {PluginOrganizations} from "../components/organizations/plugin-organizations.component";
+import {PluginSuggestedRepositories} from "../components/suggested-repositories/plugin-suggested-repositories.component";
 
 export class PluginUtils{
   public attrTypeOptions: Option[] = [
@@ -69,7 +70,7 @@ export class PluginUtils{
         return (new PluginHowToUse()).compare(oldObject);
       }
       case 'suggested-repositories': {
-        return (new PluginBaseInfo()).compare(oldObject);
+        return (new PluginSuggestedRepositories()).compare(oldObject);
       }
       case 'featured-datasets': {
         return (new PluginFeaturedDatasets()).compare(oldObject);