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riemer pushed a commit to branch cleanup-persistence-layer-3
in repository https://gitbox.apache.org/repos/asf/streampipes.git

commit ae45c515c33ed3ce5dc61154d362a7cbd38faeae
Author: Dominik Riemer <[email protected]>
AuthorDate: Fri Jun 28 20:14:58 2024 +0200

    chore: Cleanup persistence layer
---
 .../management/health/AdapterHealthCheck.java      |  2 +-
 .../management/AdapterMasterManagement.java        | 12 ++--
 .../management/AdapterMigrationManager.java        |  2 +-
 .../management/AdapterUpdateManagement.java        |  2 +-
 .../management/DescriptionManagement.java          |  8 +--
 .../management/WorkerAdministrationManagement.java |  2 +-
 .../management/management/WorkerRestClient.java    |  6 +-
 .../management/health/AdapterHealthCheckTest.java  |  4 +-
 .../management/AdapterMasterManagementTest.java    |  8 +--
 .../export/resolver/AdapterResolver.java           |  6 +-
 .../export/resolver/PipelineResolver.java          |  6 +-
 .../streampipes/model/client/user/Permission.java  | 13 +++-
 .../apache/streampipes/model/VirtualSensor.java    | 50 ---------------
 .../model/pipeline/ElementComposition.java         | 74 ----------------------
 .../streampipes/model/pipeline/Pipeline.java       | 59 +++++++++++++++--
 .../execution/task/StorePipelineStatusTask.java    |  4 +-
 .../extensions/AvailableExtensionsProvider.java    |  2 +-
 .../manager/health/PipelineHealthCheck.java        |  4 +-
 .../migration/PipelineElementMigrationManager.java | 10 +--
 .../streampipes/manager/operations/Operations.java |  2 +-
 .../manager/pipeline/PipelineManager.java          |  8 +--
 .../manager/setup/CouchDbInstallationStep.java     | 25 --------
 .../manager/storage/PipelineStorageService.java    |  4 +-
 .../PipelineTemplateInvocationHandler.java         |  4 +-
 .../management/AdapterResourceManager.java         |  6 +-
 .../management/PermissionResourceManager.java      |  8 +--
 .../management/AdapterResourceManagerTest.java     |  2 +-
 .../rest/impl/PipelineElementAsset.java            |  2 +-
 .../streampipes/rest/impl/PipelineResource.java    |  2 +-
 .../rest/impl/connect/AdapterResource.java         |  4 +-
 .../AbstractPipelineExtractionResource.java        |  2 +-
 .../streampipes/service/core/PostStartupTask.java  |  6 +-
 .../service/core/StreamPipesCoreApplication.java   |  4 +-
 .../streampipes/storage/api/IAdapterStorage.java   | 12 +---
 .../storage/api/IDataProcessorStorage.java         |  4 --
 .../streampipes/storage/api/IDataSinkStorage.java  |  3 -
 .../storage/api/IPermissionStorage.java            | 12 +---
 .../api/IPipelineElementDescriptionStorage.java    | 23 -------
 .../streampipes/storage/api/IPipelineStorage.java  | 13 +---
 .../storage/couchdb/CouchDbStorageManager.java     |  2 +-
 .../impl/AdapterDescriptionStorageImpl.java        | 60 +++---------------
 .../couchdb/impl/AdapterInstanceStorageImpl.java   | 66 +++----------------
 .../couchdb/impl/DataProcessorStorageImpl.java     |  9 ---
 .../storage/couchdb/impl/DataSinkStorageImpl.java  | 10 ---
 .../couchdb/impl/DefaultViewCrudStorage.java       |  2 +-
 .../couchdb/impl/PermissionStorageImpl.java        | 34 +---------
 .../PipelineElementDescriptionStorageImpl.java     | 72 +--------------------
 .../storage/couchdb/impl/PipelineStorageImpl.java  | 30 +--------
 .../streampipes/storage/couchdb/utils/Utils.java   |  8 ---
 49 files changed, 160 insertions(+), 553 deletions(-)

diff --git 
a/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/health/AdapterHealthCheck.java
 
b/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/health/AdapterHealthCheck.java
index a8d07530c7..e21d29de0d 100644
--- 
a/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/health/AdapterHealthCheck.java
+++ 
b/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/health/AdapterHealthCheck.java
@@ -154,7 +154,7 @@ public class AdapterHealthCheck implements Runnable {
    */
   public Map<String, AdapterDescription> getAllAdaptersSupposedToRun() {
     Map<String, AdapterDescription> result = new HashMap<>();
-    List<AdapterDescription> allRunningInstancesAdapterDescription = 
this.adapterStorage.getAllAdapters();
+    List<AdapterDescription> allRunningInstancesAdapterDescription = 
this.adapterStorage.findAll();
     allRunningInstancesAdapterDescription
         .stream()
         .filter(AdapterDescription::isRunning)
diff --git 
a/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/AdapterMasterManagement.java
 
b/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/AdapterMasterManagement.java
index 56220fde37..4c613a24f8 100644
--- 
a/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/AdapterMasterManagement.java
+++ 
b/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/AdapterMasterManagement.java
@@ -92,7 +92,7 @@ public class AdapterMasterManagement {
 
 
   public AdapterDescription getAdapter(String elementId) throws 
AdapterException {
-    List<AdapterDescription> allAdapters = 
adapterInstanceStorage.getAllAdapters();
+    List<AdapterDescription> allAdapters = adapterInstanceStorage.findAll();
 
     if (allAdapters != null && elementId != null) {
       for (AdapterDescription ad : allAdapters) {
@@ -120,7 +120,7 @@ public class AdapterMasterManagement {
       LOG.info("Could not stop adapter: " + elementId, e);
     }
 
-    AdapterDescription adapter = adapterInstanceStorage.getAdapter(elementId);
+    AdapterDescription adapter = 
adapterInstanceStorage.getElementById(elementId);
     // Delete adapter
     adapterResourceManager.delete(elementId);
     ExtensionsLogProvider.INSTANCE.remove(elementId);
@@ -133,7 +133,7 @@ public class AdapterMasterManagement {
 
   public List<AdapterDescription> getAllAdapterInstances() throws 
AdapterException {
 
-    List<AdapterDescription> allAdapters = 
adapterInstanceStorage.getAllAdapters();
+    List<AdapterDescription> allAdapters = adapterInstanceStorage.findAll();
 
     if (allAdapters == null) {
       throw new AdapterException("Could not get all adapters");
@@ -143,7 +143,7 @@ public class AdapterMasterManagement {
   }
 
   public void stopStreamAdapter(String elementId) throws AdapterException {
-    AdapterDescription ad = adapterInstanceStorage.getAdapter(elementId);
+    AdapterDescription ad = adapterInstanceStorage.getElementById(elementId);
 
     WorkerRestClient.stopStreamAdapter(ad.getSelectedEndpointUrl(), ad);
     ExtensionsLogProvider.INSTANCE.reset(elementId);
@@ -159,7 +159,7 @@ public class AdapterMasterManagement {
 
   public void startStreamAdapter(String elementId) throws AdapterException {
 
-    var ad = adapterInstanceStorage.getAdapter(elementId);
+    var ad = adapterInstanceStorage.getElementById(elementId);
 
     try {
       // Find endpoint to start adapter on
@@ -171,7 +171,7 @@ public class AdapterMasterManagement {
 
       // Update selected endpoint URL of adapter
       ad.setSelectedEndpointUrl(baseUrl);
-      adapterInstanceStorage.updateAdapter(ad);
+      adapterInstanceStorage.updateElement(ad);
 
       // Invoke adapter instance
       WorkerRestClient.invokeStreamAdapter(baseUrl, elementId);
diff --git 
a/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/AdapterMigrationManager.java
 
b/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/AdapterMigrationManager.java
index 26f158a5b7..e03b4bb168 100644
--- 
a/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/AdapterMigrationManager.java
+++ 
b/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/AdapterMigrationManager.java
@@ -83,7 +83,7 @@ public class AdapterMigrationManager extends 
AbstractMigrationManager implements
                 "Migration was performed by extensions service '{}'",
                 extensionsServiceConfig.getServiceUrl());
 
-            adapterStorage.updateAdapter(migrationResult.element());
+            adapterStorage.updateElement(migrationResult.element());
             LOG.info("Adapter description is updated - Migration successfully 
completed at Core.");
           } else {
             LOG.error("Migration failed with the following reason: {}", 
migrationResult.message());
diff --git 
a/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/AdapterUpdateManagement.java
 
b/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/AdapterUpdateManagement.java
index 0b2b38a6ef..43af954fa2 100644
--- 
a/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/AdapterUpdateManagement.java
+++ 
b/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/AdapterUpdateManagement.java
@@ -91,7 +91,7 @@ public class AdapterUpdateManagement {
           
modifiedPipeline.setPipelineNotifications(toNotification(updateInfo));
           modifiedPipeline.setValid(false);
         }
-        
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().updatePipeline(modifiedPipeline);
+        
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().updateElement(modifiedPipeline);
         if (shouldRestartPipeline && canAutoMigrate) {
           
Operations.startPipeline(PipelineManager.getPipeline(p.getPipelineId()));
         }
diff --git 
a/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/DescriptionManagement.java
 
b/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/DescriptionManagement.java
index 661abfaa16..49306186b3 100644
--- 
a/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/DescriptionManagement.java
+++ 
b/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/DescriptionManagement.java
@@ -32,7 +32,7 @@ public class DescriptionManagement {
 
   public List<AdapterDescription> getAdapters() {
     IAdapterStorage adapterStorage = 
CouchDbStorageManager.INSTANCE.getAdapterDescriptionStorage();
-    return adapterStorage.getAllAdapters();
+    return adapterStorage.findAll();
   }
 
   public Optional<AdapterDescription> getAdapter(String id) {
@@ -43,9 +43,9 @@ public class DescriptionManagement {
 
   public void deleteAdapterDescription(String id) throws SpRuntimeException {
     var adapterStorage = 
CouchDbStorageManager.INSTANCE.getAdapterDescriptionStorage();
-    var adapter = adapterStorage.getAdapter(id);
+    var adapter = adapterStorage.getElementById(id);
     if (!isAdapterUsed(adapter)) {
-      adapterStorage.deleteAdapter(id);
+      adapterStorage.deleteElementById(id);
     } else {
       throw new SpRuntimeException("This adapter is used by an existing 
instance and cannot be deleted");
     }
@@ -64,7 +64,7 @@ public class DescriptionManagement {
   }
 
   private boolean isAdapterUsed(AdapterDescription adapter) {
-    var allAdapters = 
StorageDispatcher.INSTANCE.getNoSqlStore().getAdapterInstanceStorage().getAllAdapters();
+    var allAdapters = 
StorageDispatcher.INSTANCE.getNoSqlStore().getAdapterInstanceStorage().findAll();
 
     return allAdapters
         .stream()
diff --git 
a/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/WorkerAdministrationManagement.java
 
b/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/WorkerAdministrationManagement.java
index e058c40cbf..6cdad54c6b 100644
--- 
a/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/WorkerAdministrationManagement.java
+++ 
b/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/WorkerAdministrationManagement.java
@@ -91,7 +91,7 @@ public class WorkerAdministrationManagement {
   }
 
   public void performAdapterMigrations(List<SpServiceTag> tags) {
-    var installedAdapters = 
CouchDbStorageManager.INSTANCE.getAdapterDescriptionStorage().getAllAdapters();
+    var installedAdapters = 
CouchDbStorageManager.INSTANCE.getAdapterDescriptionStorage().findAll();
     var adminSid = new 
SpResourceManager().manageUsers().getAdminUser().getPrincipalId();
     installedAdapters.stream()
         .filter(adapter -> tags.stream().anyMatch(tag -> 
tag.getValue().equals(adapter.getAppId())))
diff --git 
a/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/WorkerRestClient.java
 
b/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/WorkerRestClient.java
index 91558045e2..854c806a93 100644
--- 
a/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/WorkerRestClient.java
+++ 
b/streampipes-connect-management/src/main/java/org/apache/streampipes/connect/management/management/WorkerRestClient.java
@@ -199,7 +199,7 @@ public class WorkerRestClient {
 
   private static AdapterDescription 
getAdapterDescriptionById(AdapterInstanceStorageImpl adapterStorage, String id) 
{
     AdapterDescription adapterDescription = null;
-    List<AdapterDescription> allAdapters = adapterStorage.getAllAdapters();
+    List<AdapterDescription> allAdapters = adapterStorage.findAll();
     for (AdapterDescription a : allAdapters) {
       if (a.getElementId().endsWith(id)) {
         adapterDescription = a;
@@ -219,11 +219,11 @@ public class WorkerRestClient {
   private static void encryptAndUpdateAdapter(AdapterDescription adapter) {
     AdapterDescription encryptedDescription = new 
Cloner().adapterDescription(adapter);
     SecretProvider.getEncryptionService().apply(encryptedDescription);
-    getAdapterStorage().updateAdapter(encryptedDescription);
+    getAdapterStorage().updateElement(encryptedDescription);
   }
 
   private static AdapterDescription getAndDecryptAdapter(String adapterId) {
-    AdapterDescription adapter = getAdapterStorage().getAdapter(adapterId);
+    AdapterDescription adapter = getAdapterStorage().getElementById(adapterId);
     SecretProvider.getDecryptionService().apply(adapter);
     return adapter;
   }
diff --git 
a/streampipes-connect-management/src/test/java/org/apache/streampipes/connect/management/health/AdapterHealthCheckTest.java
 
b/streampipes-connect-management/src/test/java/org/apache/streampipes/connect/management/health/AdapterHealthCheckTest.java
index f4c3a3c2d5..47612f1361 100644
--- 
a/streampipes-connect-management/src/test/java/org/apache/streampipes/connect/management/health/AdapterHealthCheckTest.java
+++ 
b/streampipes-connect-management/src/test/java/org/apache/streampipes/connect/management/health/AdapterHealthCheckTest.java
@@ -44,7 +44,7 @@ public class AdapterHealthCheckTest {
 
   @Test
   public void getAllRunningInstancesAdapterDescriptionsEmpty() {
-    when(adapterInstanceStorageMock.getAllAdapters()).thenReturn(List.of());
+    when(adapterInstanceStorageMock.findAll()).thenReturn(List.of());
 
     var healthCheck = new AdapterHealthCheck(
         adapterInstanceStorageMock,
@@ -74,7 +74,7 @@ public class AdapterHealthCheckTest {
     runningAdapter.setElementId(nameRunningAdapter);
     runningAdapter.setRunning(true);
 
-    
when(adapterInstanceStorageMock.getAllAdapters()).thenReturn(List.of(stoppedAdapter,
 runningAdapter));
+    
when(adapterInstanceStorageMock.findAll()).thenReturn(List.of(stoppedAdapter, 
runningAdapter));
 
     var healthCheck = new AdapterHealthCheck(
         adapterInstanceStorageMock,
diff --git 
a/streampipes-connect-management/src/test/java/org/apache/streampipes/connect/management/management/AdapterMasterManagementTest.java
 
b/streampipes-connect-management/src/test/java/org/apache/streampipes/connect/management/management/AdapterMasterManagementTest.java
index ae18017699..6d920fb751 100644
--- 
a/streampipes-connect-management/src/test/java/org/apache/streampipes/connect/management/management/AdapterMasterManagementTest.java
+++ 
b/streampipes-connect-management/src/test/java/org/apache/streampipes/connect/management/management/AdapterMasterManagementTest.java
@@ -39,7 +39,7 @@ public class AdapterMasterManagementTest {
   public void getAdapterFailNull() {
     AdapterInstanceStorageImpl adapterStorage = 
mock(AdapterInstanceStorageImpl.class);
     AdapterResourceManager resourceManager = 
mock(AdapterResourceManager.class);
-    when(adapterStorage.getAllAdapters()).thenReturn(null);
+    when(adapterStorage.findAll()).thenReturn(null);
 
     AdapterMasterManagement adapterMasterManagement =
         new AdapterMasterManagement(
@@ -57,7 +57,7 @@ public class AdapterMasterManagementTest {
     List<AdapterDescription> adapterDescriptions = List.of(new 
AdapterDescription());
     AdapterInstanceStorageImpl adapterStorage = 
mock(AdapterInstanceStorageImpl.class);
     AdapterResourceManager resourceManager = 
mock(AdapterResourceManager.class);
-    when(adapterStorage.getAllAdapters()).thenReturn(adapterDescriptions);
+    when(adapterStorage.findAll()).thenReturn(adapterDescriptions);
 
     AdapterMasterManagement adapterMasterManagement =
         new AdapterMasterManagement(
@@ -75,7 +75,7 @@ public class AdapterMasterManagementTest {
     List<AdapterDescription> adapterDescriptions = List.of(new 
AdapterDescription());
     AdapterInstanceStorageImpl adapterStorage = 
mock(AdapterInstanceStorageImpl.class);
     AdapterResourceManager resourceManager = 
mock(AdapterResourceManager.class);
-    when(adapterStorage.getAllAdapters()).thenReturn(adapterDescriptions);
+    when(adapterStorage.findAll()).thenReturn(adapterDescriptions);
 
     AdapterMasterManagement adapterMasterManagement =
         new AdapterMasterManagement(
@@ -94,7 +94,7 @@ public class AdapterMasterManagementTest {
   public void getAllAdaptersFail() {
     AdapterInstanceStorageImpl adapterStorage = 
mock(AdapterInstanceStorageImpl.class);
     AdapterResourceManager resourceManager = 
mock(AdapterResourceManager.class);
-    when(adapterStorage.getAllAdapters()).thenReturn(null);
+    when(adapterStorage.findAll()).thenReturn(null);
 
     AdapterMasterManagement adapterMasterManagement =
         new AdapterMasterManagement(
diff --git 
a/streampipes-data-export/src/main/java/org/apache/streampipes/export/resolver/AdapterResolver.java
 
b/streampipes-data-export/src/main/java/org/apache/streampipes/export/resolver/AdapterResolver.java
index 8a5a445835..d22ae5ba72 100644
--- 
a/streampipes-data-export/src/main/java/org/apache/streampipes/export/resolver/AdapterResolver.java
+++ 
b/streampipes-data-export/src/main/java/org/apache/streampipes/export/resolver/AdapterResolver.java
@@ -29,7 +29,7 @@ public class AdapterResolver extends 
AbstractResolver<AdapterDescription> {
 
   @Override
   public AdapterDescription findDocument(String resourceId) {
-    return getNoSqlStore().getAdapterInstanceStorage().getAdapter(resourceId);
+    return 
getNoSqlStore().getAdapterInstanceStorage().getElementById(resourceId);
   }
 
   @Override
@@ -53,7 +53,7 @@ public class AdapterResolver extends 
AbstractResolver<AdapterDescription> {
 
   @Override
   public void writeDocument(String document) throws JsonProcessingException {
-    
getNoSqlStore().getAdapterInstanceStorage().storeAdapter(deserializeDocument(document));
+    
getNoSqlStore().getAdapterInstanceStorage().persist(deserializeDocument(document));
   }
 
   public void writeDocument(String document,
@@ -62,7 +62,7 @@ public class AdapterResolver extends 
AbstractResolver<AdapterDescription> {
     if (overrideDocument) {
       overrideProtocol(adapterDescription.getEventGrounding());
     }
-    
getNoSqlStore().getAdapterInstanceStorage().storeAdapter(adapterDescription);
+    getNoSqlStore().getAdapterInstanceStorage().persist(adapterDescription);
   }
 
   @Override
diff --git 
a/streampipes-data-export/src/main/java/org/apache/streampipes/export/resolver/PipelineResolver.java
 
b/streampipes-data-export/src/main/java/org/apache/streampipes/export/resolver/PipelineResolver.java
index bd71f676de..53830c166f 100644
--- 
a/streampipes-data-export/src/main/java/org/apache/streampipes/export/resolver/PipelineResolver.java
+++ 
b/streampipes-data-export/src/main/java/org/apache/streampipes/export/resolver/PipelineResolver.java
@@ -30,7 +30,7 @@ public class PipelineResolver extends 
AbstractResolver<Pipeline> {
 
   @Override
   public Pipeline findDocument(String resourceId) {
-    return getNoSqlStore().getPipelineStorageAPI().getPipeline(resourceId);
+    return getNoSqlStore().getPipelineStorageAPI().getElementById(resourceId);
   }
 
   @Override
@@ -58,7 +58,7 @@ public class PipelineResolver extends 
AbstractResolver<Pipeline> {
 
   @Override
   public void writeDocument(String document) throws JsonProcessingException {
-    
getNoSqlStore().getPipelineStorageAPI().storePipeline(deserializeDocument(document));
+    
getNoSqlStore().getPipelineStorageAPI().persist(deserializeDocument(document));
   }
 
   public void writeDocument(String document,
@@ -81,7 +81,7 @@ public class PipelineResolver extends 
AbstractResolver<Pipeline> {
       }).collect(Collectors.toList()));
 
     }
-    getNoSqlStore().getPipelineStorageAPI().storePipeline(pipeline);
+    getNoSqlStore().getPipelineStorageAPI().persist(pipeline);
   }
 
   @Override
diff --git 
a/streampipes-model-client/src/main/java/org/apache/streampipes/model/client/user/Permission.java
 
b/streampipes-model-client/src/main/java/org/apache/streampipes/model/client/user/Permission.java
index 72b9a1b31e..4e20ca0daa 100644
--- 
a/streampipes-model-client/src/main/java/org/apache/streampipes/model/client/user/Permission.java
+++ 
b/streampipes-model-client/src/main/java/org/apache/streampipes/model/client/user/Permission.java
@@ -18,6 +18,7 @@
 package org.apache.streampipes.model.client.user;
 
 import org.apache.streampipes.model.shared.annotation.TsModel;
+import org.apache.streampipes.model.shared.api.Storable;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.google.gson.annotations.SerializedName;
@@ -26,7 +27,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 @TsModel
-public class Permission {
+public class Permission implements Storable {
 
   protected @SerializedName("_id") String permissionId;
   protected @SerializedName("_rev") String rev;
@@ -64,6 +65,16 @@ public class Permission {
     this.rev = rev;
   }
 
+  @Override
+  public String getElementId() {
+    return this.permissionId;
+  }
+
+  @Override
+  public void setElementId(String elementId) {
+    this.permissionId = elementId;
+  }
+
   public String getObjectInstanceId() {
     return objectInstanceId;
   }
diff --git 
a/streampipes-model/src/main/java/org/apache/streampipes/model/VirtualSensor.java
 
b/streampipes-model/src/main/java/org/apache/streampipes/model/VirtualSensor.java
deleted file mode 100644
index 0034a96f84..0000000000
--- 
a/streampipes-model/src/main/java/org/apache/streampipes/model/VirtualSensor.java
+++ /dev/null
@@ -1,50 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.
- *
- */
-
-package org.apache.streampipes.model;
-
-import org.apache.streampipes.model.pipeline.ElementComposition;
-
-public class VirtualSensor extends ElementComposition {
-
-  protected String createdBy;
-
-  protected int outputIndex;
-
-  public VirtualSensor() {
-    super();
-  }
-
-  public String getCreatedBy() {
-    return createdBy;
-  }
-
-  public void setCreatedBy(String createdBy) {
-    this.createdBy = createdBy;
-  }
-
-  public int getOutputIndex() {
-    return outputIndex;
-  }
-
-  public void setOutputIndex(int outputIndex) {
-    this.outputIndex = outputIndex;
-  }
-
-
-}
diff --git 
a/streampipes-model/src/main/java/org/apache/streampipes/model/pipeline/ElementComposition.java
 
b/streampipes-model/src/main/java/org/apache/streampipes/model/pipeline/ElementComposition.java
deleted file mode 100644
index 4e149a2aa7..0000000000
--- 
a/streampipes-model/src/main/java/org/apache/streampipes/model/pipeline/ElementComposition.java
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You 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.
- *
- */
-
-package org.apache.streampipes.model.pipeline;
-
-import org.apache.streampipes.model.SpDataStream;
-import org.apache.streampipes.model.graph.DataProcessorInvocation;
-
-import java.util.ArrayList;
-import java.util.List;
-
-
-public abstract class ElementComposition {
-
-  protected List<DataProcessorInvocation> sepas;
-
-  protected List<SpDataStream> streams;
-
-  protected String name;
-  protected String description;
-
-  public ElementComposition() {
-    this.sepas = new ArrayList<>();
-    this.streams = new ArrayList<>();
-  }
-
-  public List<DataProcessorInvocation> getSepas() {
-    return sepas;
-  }
-
-  public void setSepas(List<DataProcessorInvocation> sepas) {
-    this.sepas = sepas;
-  }
-
-  public List<SpDataStream> getStreams() {
-    return streams;
-  }
-
-  public void setStreams(List<SpDataStream> streams) {
-    this.streams = streams;
-  }
-
-  public String getName() {
-    return name;
-  }
-
-  public void setName(String name) {
-    this.name = name;
-  }
-
-  public String getDescription() {
-    return description;
-  }
-
-  public void setDescription(String description) {
-    this.description = description;
-  }
-
-}
diff --git 
a/streampipes-model/src/main/java/org/apache/streampipes/model/pipeline/Pipeline.java
 
b/streampipes-model/src/main/java/org/apache/streampipes/model/pipeline/Pipeline.java
index 169ae4174e..790faf3eb5 100644
--- 
a/streampipes-model/src/main/java/org/apache/streampipes/model/pipeline/Pipeline.java
+++ 
b/streampipes-model/src/main/java/org/apache/streampipes/model/pipeline/Pipeline.java
@@ -18,8 +18,11 @@
 
 package org.apache.streampipes.model.pipeline;
 
+import org.apache.streampipes.model.SpDataStream;
+import org.apache.streampipes.model.graph.DataProcessorInvocation;
 import org.apache.streampipes.model.graph.DataSinkInvocation;
 import org.apache.streampipes.model.shared.annotation.TsModel;
+import org.apache.streampipes.model.shared.api.Storable;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.google.gson.annotations.SerializedName;
@@ -28,7 +31,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 @TsModel
-public class Pipeline extends ElementComposition {
+public class Pipeline implements Storable {
 
   private List<DataSinkInvocation> actions;
 
@@ -54,10 +57,19 @@ public class Pipeline extends ElementComposition {
   private @SerializedName("_rev")
   String rev;
 
+  protected List<DataProcessorInvocation> sepas;
+
+  protected List<SpDataStream> streams;
+
+  protected String name;
+  protected String description;
+
   public Pipeline() {
     super();
     this.actions = new ArrayList<>();
     this.pipelineNotifications = new ArrayList<>();
+    this.sepas = new ArrayList<>();
+    this.streams = new ArrayList<>();
   }
 
   public List<DataSinkInvocation> getActions() {
@@ -92,7 +104,6 @@ public class Pipeline extends ElementComposition {
     this.publicElement = publicElement;
   }
 
-
   public String getCreatedByUser() {
     return createdByUser;
   }
@@ -117,6 +128,16 @@ public class Pipeline extends ElementComposition {
     this.rev = rev;
   }
 
+  @Override
+  public String getElementId() {
+    return pipelineId;
+  }
+
+  @Override
+  public void setElementId(String elementId) {
+    this.pipelineId = elementId;
+  }
+
   public long getCreatedAt() {
     return createdAt;
   }
@@ -157,6 +178,38 @@ public class Pipeline extends ElementComposition {
     this.valid = valid;
   }
 
+  public List<DataProcessorInvocation> getSepas() {
+    return sepas;
+  }
+
+  public void setSepas(List<DataProcessorInvocation> sepas) {
+    this.sepas = sepas;
+  }
+
+  public List<SpDataStream> getStreams() {
+    return streams;
+  }
+
+  public void setStreams(List<SpDataStream> streams) {
+    this.streams = streams;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public String getDescription() {
+    return description;
+  }
+
+  public void setDescription(String description) {
+    this.description = description;
+  }
+
   public Pipeline clone() {
     Pipeline pipeline = new Pipeline();
     pipeline.setName(name);
@@ -174,6 +227,4 @@ public class Pipeline extends ElementComposition {
 
     return pipeline;
   }
-
-
 }
diff --git 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/execution/task/StorePipelineStatusTask.java
 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/execution/task/StorePipelineStatusTask.java
index df3c09f954..923d6c942b 100644
--- 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/execution/task/StorePipelineStatusTask.java
+++ 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/execution/task/StorePipelineStatusTask.java
@@ -63,7 +63,7 @@ public class StorePipelineStatusTask implements 
PipelineExecutionTask {
     pipeline.setRunning(true);
     pipeline.setStartedAt(new Date().getTime());
     try {
-      getPipelineStorageApi().updatePipeline(pipeline);
+      getPipelineStorageApi().updateElement(pipeline);
     } catch (DocumentConflictException dce) {
       LOG.error("Could not update pipeline {}", pipeline.getPipelineId(), dce);
     }
@@ -71,7 +71,7 @@ public class StorePipelineStatusTask implements 
PipelineExecutionTask {
 
   private void setPipelineStopped(Pipeline pipeline) {
     pipeline.setRunning(false);
-    getPipelineStorageApi().updatePipeline(pipeline);
+    getPipelineStorageApi().updateElement(pipeline);
   }
 
   private IPipelineStorage getPipelineStorageApi() {
diff --git 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/extensions/AvailableExtensionsProvider.java
 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/extensions/AvailableExtensionsProvider.java
index 6d03aace13..f9112845f3 100644
--- 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/extensions/AvailableExtensionsProvider.java
+++ 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/extensions/AvailableExtensionsProvider.java
@@ -107,7 +107,7 @@ public class AvailableExtensionsProvider {
   }
 
   private List<AdapterDescription> getAllAdapters() {
-    return storage.getAdapterDescriptionStorage().getAllAdapters();
+    return storage.getAdapterDescriptionStorage().findAll();
   }
 
   private List<SpDataStream> getAllDataStreams() {
diff --git 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/health/PipelineHealthCheck.java
 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/health/PipelineHealthCheck.java
index 84ab806c30..df79c78627 100644
--- 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/health/PipelineHealthCheck.java
+++ 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/health/PipelineHealthCheck.java
@@ -126,7 +126,7 @@ public class PipelineHealthCheck implements Runnable {
             pipelinesStats.attentionRequiredIncrease();
           }
           currentPipeline.setPipelineNotifications(pipelineNotifications);
-          
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().updatePipeline(currentPipeline);
+          
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().updateElement(currentPipeline);
         }
       });
       int healthNum = pipelinesStats.getRunningPipelines() - 
pipelinesStats.getFailedPipelines()
@@ -240,7 +240,7 @@ public class PipelineHealthCheck implements Runnable {
             .INSTANCE
             .getNoSqlStore()
             .getPipelineStorageAPI()
-            .getAllPipelines();
+            .findAll();
   }
 
   private int getElementsCount(List<Pipeline> allPipelines){
diff --git 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/migration/PipelineElementMigrationManager.java
 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/migration/PipelineElementMigrationManager.java
index 166d24c8e3..40ff88acf3 100644
--- 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/migration/PipelineElementMigrationManager.java
+++ 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/migration/PipelineElementMigrationManager.java
@@ -69,7 +69,7 @@ public class PipelineElementMigrationManager extends 
AbstractMigrationManager im
       LOG.info("Received {} pipeline element migrations from extension service 
{}.",
           migrationConfigs.size(),
           extensionsServiceConfig.getServiceUrl());
-      var availablePipelines = pipelineStorage.getAllPipelines();
+      var availablePipelines = pipelineStorage.findAll();
       if (!availablePipelines.isEmpty()) {
         LOG.info("Found {} available pipelines. Checking pipelines for 
applicable migrations...",
             availablePipelines.size()
@@ -122,13 +122,13 @@ public class PipelineElementMigrationManager extends 
AbstractMigrationManager im
               .toList();
           pipeline.setActions(migratedDataSinks);
 
-          pipelineStorage.updatePipeline(pipeline);
+          pipelineStorage.updateElement(pipeline);
 
           if (failedMigrations.isEmpty()) {
             LOG.info("Migration for pipeline successfully completed.");
           } else {
             // pass most recent version of pipeline
-            
handleFailedMigrations(pipelineStorage.getPipeline(pipeline.getPipelineId()), 
failedMigrations);
+            
handleFailedMigrations(pipelineStorage.getElementById(pipeline.getPipelineId()),
 failedMigrations);
           }
         }
       }
@@ -166,10 +166,10 @@ public class PipelineElementMigrationManager extends 
AbstractMigrationManager im
     ).toList());
     pipeline.setHealthStatus(PipelineHealthStatus.REQUIRES_ATTENTION);
 
-    pipelineStorage.updatePipeline(pipeline);
+    pipelineStorage.updateElement(pipeline);
 
     // get updated version of pipeline after modification
-    pipeline = pipelineStorage.getPipeline(pipeline.getPipelineId());
+    pipeline = pipelineStorage.getElementById(pipeline.getPipelineId());
 
     stopPipeline(pipeline);
   }
diff --git 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/operations/Operations.java
 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/operations/Operations.java
index 83a26c7500..81d6215c88 100644
--- 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/operations/Operations.java
+++ 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/operations/Operations.java
@@ -93,7 +93,7 @@ public class Operations {
   public static List<PipelineOperationStatus> stopAllPipelines(boolean 
forceStop) {
     List<PipelineOperationStatus> status = new ArrayList<>();
     List<Pipeline> pipelines =
-        
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().getAllPipelines();
+        
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().findAll();
 
     pipelines.forEach(p -> {
       if (p.isRunning()) {
diff --git 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/pipeline/PipelineManager.java
 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/pipeline/PipelineManager.java
index e849aaa7ea..e57675ecba 100644
--- 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/pipeline/PipelineManager.java
+++ 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/pipeline/PipelineManager.java
@@ -44,7 +44,7 @@ public class PipelineManager {
    * @return all pipelines
    */
   public static List<Pipeline> getAllPipelines() {
-    return 
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().getAllPipelines();
+    return 
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().findAll();
   }
 
   /**
@@ -54,7 +54,7 @@ public class PipelineManager {
    * @return pipeline resulting pipeline with given id
    */
   public static Pipeline getPipeline(String pipelineId) {
-    return getPipelineStorage().getPipeline(pipelineId);
+    return getPipelineStorage().getElementById(pipelineId);
   }
 
   /**
@@ -74,7 +74,7 @@ public class PipelineManager {
     Operations.storePipeline(pipeline);
 
     Permission permission = new PermissionManager().makePermission(pipeline, 
principalSid);
-    getPermissionStorage().addPermission(permission);
+    getPermissionStorage().persist(permission);
 
     return pipelineId;
   }
@@ -114,7 +114,7 @@ public class PipelineManager {
   public static void deletePipeline(String pipelineId) {
     var pipeline = getPipeline(pipelineId);
     if (Objects.nonNull(pipeline)) {
-      getPipelineStorage().deletePipeline(pipelineId);
+      getPipelineStorage().deleteElementById(pipelineId);
       new 
NotificationsResourceManager().deleteNotificationsForPipeline(pipeline);
     }
   }
diff --git 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/setup/CouchDbInstallationStep.java
 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/setup/CouchDbInstallationStep.java
index 98d94c3ca9..88b03f667c 100644
--- 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/setup/CouchDbInstallationStep.java
+++ 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/setup/CouchDbInstallationStep.java
@@ -63,7 +63,6 @@ public class CouchDbInstallationStep extends InstallationStep 
{
       Utils.getCouchDbConnectionClient();
       Utils.getCouchDbNotificationClient();
       Utils.getCouchDbPipelineCategoriesClient();
-      Utils.getCouchDbLabelClient();
 
       logSuccess(getTitle());
     } catch (Exception e) {
@@ -75,7 +74,6 @@ public class CouchDbInstallationStep extends InstallationStep 
{
     addUserView();
     addConnectionView();
     addNotificationView();
-    addLabelView();
     addPipelineView();
   }
 
@@ -169,29 +167,6 @@ public class CouchDbInstallationStep extends 
InstallationStep {
     }
   }
 
-  private void addLabelView() {
-    try {
-      DesignDocument labelDocument = prepareDocument("_design/categoryId");
-      Map<String, MapReduce> views = new HashMap<>();
-
-      MapReduce categoryIdFunction = new MapReduce();
-      categoryIdFunction.setMap("function(doc) { if(doc.categoryId) { 
emit(doc.categoryId, doc); } }");
-
-      views.put("categoryId", categoryIdFunction);
-
-      labelDocument.setViews(views);
-      Response resp = 
Utils.getCouchDbLabelClient().design().synchronizeWithDb(labelDocument);
-
-      if (resp.getError() != null) {
-        logFailure(PREPARING_USERS_TEXT);
-      } else {
-        logSuccess(PREPARING_USERS_TEXT);
-      }
-    } catch (Exception e) {
-      logFailure(PREPARING_USERS_TEXT, e);
-    }
-  }
-
   private void addConnectionView() {
     try {
       DesignDocument connectionDocument = 
prepareDocument("_design/connection");
diff --git 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/storage/PipelineStorageService.java
 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/storage/PipelineStorageService.java
index 9d0f2b5824..843164b31a 100644
--- 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/storage/PipelineStorageService.java
+++ 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/storage/PipelineStorageService.java
@@ -41,12 +41,12 @@ public class PipelineStorageService {
 
   public void updatePipeline() {
     preparePipeline();
-    
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().updatePipeline(pipeline);
+    
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().updateElement(pipeline);
   }
 
   public void addPipeline() {
     preparePipeline();
-    
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().store(pipeline);
+    
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().persist(pipeline);
   }
 
   private void preparePipeline() {
diff --git 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/template/PipelineTemplateInvocationHandler.java
 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/template/PipelineTemplateInvocationHandler.java
index 519855126d..0848abdac9 100644
--- 
a/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/template/PipelineTemplateInvocationHandler.java
+++ 
b/streampipes-pipeline-management/src/main/java/org/apache/streampipes/manager/template/PipelineTemplateInvocationHandler.java
@@ -59,9 +59,9 @@ public class PipelineTemplateInvocationHandler {
     replaceStaticProperties(pipeline);
     Operations.storePipeline(pipeline);
     Permission permission = new PermissionManager().makePermission(pipeline, 
username);
-    
StorageDispatcher.INSTANCE.getNoSqlStore().getPermissionStorage().addPermission(permission);
+    
StorageDispatcher.INSTANCE.getNoSqlStore().getPermissionStorage().persist(permission);
     Pipeline storedPipeline =
-        
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().getPipeline(pipeline.getPipelineId());
+        
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().getElementById(pipeline.getPipelineId());
     return Operations.startPipeline(storedPipeline);
   }
 
diff --git 
a/streampipes-resource-management/src/main/java/org/apache/streampipes/resource/management/AdapterResourceManager.java
 
b/streampipes-resource-management/src/main/java/org/apache/streampipes/resource/management/AdapterResourceManager.java
index a115ad829f..72c77121aa 100644
--- 
a/streampipes-resource-management/src/main/java/org/apache/streampipes/resource/management/AdapterResourceManager.java
+++ 
b/streampipes-resource-management/src/main/java/org/apache/streampipes/resource/management/AdapterResourceManager.java
@@ -42,7 +42,7 @@ public class AdapterResourceManager extends 
AbstractResourceManager<IAdapterStor
   public String encryptAndCreate(AdapterDescription adapterDescription) {
     AdapterDescription encryptedAdapterDescription = 
cloneAndEncrypt(adapterDescription);
     encryptedAdapterDescription.setRev(null);
-    return db.storeAdapter(encryptedAdapterDescription);
+    return db.persist(encryptedAdapterDescription).v;
   }
 
   /**
@@ -51,11 +51,11 @@ public class AdapterResourceManager extends 
AbstractResourceManager<IAdapterStor
    * @param adapterDescription input adapter description
    */
   public void encryptAndUpdate(AdapterDescription adapterDescription) {
-    db.updateAdapter(cloneAndEncrypt(adapterDescription));
+    db.updateElement(cloneAndEncrypt(adapterDescription));
   }
 
   public void delete(String elementId) {
-    db.deleteAdapter(elementId);
+    db.deleteElementById(elementId);
   }
 
   /**
diff --git 
a/streampipes-resource-management/src/main/java/org/apache/streampipes/resource/management/PermissionResourceManager.java
 
b/streampipes-resource-management/src/main/java/org/apache/streampipes/resource/management/PermissionResourceManager.java
index d04a707aac..dc263ee381 100644
--- 
a/streampipes-resource-management/src/main/java/org/apache/streampipes/resource/management/PermissionResourceManager.java
+++ 
b/streampipes-resource-management/src/main/java/org/apache/streampipes/resource/management/PermissionResourceManager.java
@@ -31,7 +31,7 @@ public class PermissionResourceManager extends 
AbstractResourceManager<IPermissi
   }
 
   public List<Permission> findAll() {
-    return db.getAllPermissions();
+    return db.findAll();
   }
 
   public List<Permission> findForObjectId(String objectInstanceId) {
@@ -39,7 +39,7 @@ public class PermissionResourceManager extends 
AbstractResourceManager<IPermissi
   }
 
   public void create(Permission permission) {
-    db.addPermission(permission);
+    db.persist(permission);
   }
 
   public void createDefault(String objectInstanceId,
@@ -55,10 +55,10 @@ public class PermissionResourceManager extends 
AbstractResourceManager<IPermissi
   }
 
   public void update(Permission permission) {
-    db.updatePermission(permission);
+    db.updateElement(permission);
   }
 
   public void delete(Permission permission) {
-    db.deletePermission(permission.getPermissionId());
+    db.deleteElementById(permission.getPermissionId());
   }
 }
diff --git 
a/streampipes-resource-management/src/test/java/org/apache/streampipes/resource/management/AdapterResourceManagerTest.java
 
b/streampipes-resource-management/src/test/java/org/apache/streampipes/resource/management/AdapterResourceManagerTest.java
index 5e026e8ddd..d815855490 100644
--- 
a/streampipes-resource-management/src/test/java/org/apache/streampipes/resource/management/AdapterResourceManagerTest.java
+++ 
b/streampipes-resource-management/src/test/java/org/apache/streampipes/resource/management/AdapterResourceManagerTest.java
@@ -37,6 +37,6 @@ public class AdapterResourceManagerTest {
     AdapterResourceManager adapterResourceManager = new 
AdapterResourceManager(storage);
     adapterResourceManager.encryptAndUpdate(new AdapterDescription());
 
-    verify(storage, times(1)).updateAdapter(any());
+    verify(storage, times(1)).updateElement(any());
   }
 }
diff --git 
a/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/PipelineElementAsset.java
 
b/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/PipelineElementAsset.java
index bd09bb173e..5eb9bf6b78 100644
--- 
a/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/PipelineElementAsset.java
+++ 
b/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/PipelineElementAsset.java
@@ -61,7 +61,7 @@ public class PipelineElementAsset extends 
AbstractRestResource {
         var adapterDescription = StorageDispatcher.INSTANCE
             .getNoSqlStore()
             .getAdapterInstanceStorage()
-            .getAdapter(dataStream.getCorrespondingAdapterId());
+            .getElementById(dataStream.getCorrespondingAdapterId());
         appId = adapterDescription.getAppId();
       }
       return ok(AssetManager.getAssetDocumentation(appId));
diff --git 
a/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/PipelineResource.java
 
b/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/PipelineResource.java
index fae5851172..75e636cd6b 100644
--- 
a/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/PipelineResource.java
+++ 
b/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/PipelineResource.java
@@ -234,7 +234,7 @@ public class PipelineResource extends 
AbstractAuthGuardedRestResource {
   @PreAuthorize(AuthConstants.HAS_WRITE_PIPELINE_PRIVILEGE)
   public ResponseEntity<SuccessMessage> 
overwritePipeline(@PathVariable("pipelineId") String pipelineId,
                                                           @RequestBody 
Pipeline pipeline) {
-    Pipeline storedPipeline = getPipelineStorage().getPipeline(pipelineId);
+    Pipeline storedPipeline = getPipelineStorage().getElementById(pipelineId);
     if (!storedPipeline.isRunning()) {
       storedPipeline.setStreams(pipeline.getStreams());
       storedPipeline.setSepas(pipeline.getSepas());
diff --git 
a/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/connect/AdapterResource.java
 
b/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/connect/AdapterResource.java
index 39425313a4..6d70b8d6e6 100644
--- 
a/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/connect/AdapterResource.java
+++ 
b/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/connect/AdapterResource.java
@@ -176,7 +176,7 @@ public class AdapterResource extends 
AbstractAdapterResource<AdapterMasterManage
       }
     } else if (!deleteAssociatedPipelines) {
       List<String> namesOfPipelinesUsingAdapter =
-          pipelinesUsingAdapter.stream().map(pipelineId -> 
pipelineStorageAPI.getPipeline(pipelineId).getName())
+          pipelinesUsingAdapter.stream().map(pipelineId -> 
pipelineStorageAPI.getElementById(pipelineId).getName())
               .collect(
                   Collectors.toList());
       return ResponseEntity.status(HttpStatus.SC_CONFLICT).body(String.join(", 
", namesOfPipelinesUsingAdapter));
@@ -187,7 +187,7 @@ public class AdapterResource extends 
AbstractAdapterResource<AdapterMasterManage
               
!permissionResourceManager.findForObjectId(pipelineId).stream().findFirst().map(Permission::getOwnerSid)
                   // if a pipeline has no owner, pretend the owner is the user 
so the user can delete it
                   
.orElse(this.getAuthenticatedUserSid()).equals(this.getAuthenticatedUserSid()))
-          .map(pipelineId -> 
pipelineStorageAPI.getPipeline(pipelineId).getName()).collect(Collectors.toList());
+          .map(pipelineId -> 
pipelineStorageAPI.getElementById(pipelineId).getName()).collect(Collectors.toList());
       boolean isAdmin = 
SecurityContextHolder.getContext().getAuthentication().getAuthorities().stream()
           .anyMatch(r -> r.getAuthority().equals(
               Role.ROLE_ADMIN.name()));
diff --git 
a/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/dashboard/AbstractPipelineExtractionResource.java
 
b/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/dashboard/AbstractPipelineExtractionResource.java
index 290953c575..476633090e 100644
--- 
a/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/dashboard/AbstractPipelineExtractionResource.java
+++ 
b/streampipes-rest/src/main/java/org/apache/streampipes/rest/impl/dashboard/AbstractPipelineExtractionResource.java
@@ -46,7 +46,7 @@ public abstract class AbstractPipelineExtractionResource<T> 
extends AbstractRest
 
   protected List<T> extract(List<T> target, String appId) {
     getPipelineStorage()
-        .getAllPipelines()
+        .findAll()
         .forEach(pipeline -> {
           List<DataSinkInvocation> sinks = extractSink(pipeline, appId);
           sinks.forEach(sink -> target.add(convert(pipeline, sink)));
diff --git 
a/streampipes-service-core/src/main/java/org/apache/streampipes/service/core/PostStartupTask.java
 
b/streampipes-service-core/src/main/java/org/apache/streampipes/service/core/PostStartupTask.java
index aa378ffae5..f7f0c32d22 100644
--- 
a/streampipes-service-core/src/main/java/org/apache/streampipes/service/core/PostStartupTask.java
+++ 
b/streampipes-service-core/src/main/java/org/apache/streampipes/service/core/PostStartupTask.java
@@ -88,7 +88,7 @@ public class PostStartupTask implements Runnable {
   }
 
   private void startAllPreviouslyStoppedPipelines() {
-    var allPipelines = pipelineStorage.getAllPipelines();
+    var allPipelines = pipelineStorage.findAll();
     LOG.info("Checking for orphaned pipelines...");
     List<Pipeline> orphanedPipelines = allPipelines
         .stream()
@@ -123,9 +123,9 @@ public class PostStartupTask implements Runnable {
     PipelineOperationStatus status = Operations.startPipeline(pipeline);
     if (status.isSuccess()) {
       LOG.info("Pipeline {} successfully restarted", status.getPipelineName());
-      Pipeline storedPipeline = 
getPipelineStorage().getPipeline(pipeline.getPipelineId());
+      Pipeline storedPipeline = 
getPipelineStorage().getElementById(pipeline.getPipelineId());
       storedPipeline.setRestartOnSystemReboot(restartOnReboot);
-      getPipelineStorage().updatePipeline(storedPipeline);
+      getPipelineStorage().updateElement(storedPipeline);
     } else {
       storeFailedRestartAttempt(pipeline);
       int failedAttemptCount = failedPipelines.get(pipeline.getPipelineId());
diff --git 
a/streampipes-service-core/src/main/java/org/apache/streampipes/service/core/StreamPipesCoreApplication.java
 
b/streampipes-service-core/src/main/java/org/apache/streampipes/service/core/StreamPipesCoreApplication.java
index 33b306550a..588b194dfb 100644
--- 
a/streampipes-service-core/src/main/java/org/apache/streampipes/service/core/StreamPipesCoreApplication.java
+++ 
b/streampipes-service-core/src/main/java/org/apache/streampipes/service/core/StreamPipesCoreApplication.java
@@ -213,7 +213,7 @@ public class StreamPipesCoreApplication extends 
StreamPipesServiceBase {
 
     pipelinesToStop.forEach(pipeline -> {
       pipeline.setRestartOnSystemReboot(true);
-      
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().updatePipeline(pipeline);
+      
StorageDispatcher.INSTANCE.getNoSqlStore().getPipelineStorageAPI().updateElement(pipeline);
     });
 
     LOG.info("Gracefully stopping all running pipelines...");
@@ -231,7 +231,7 @@ public class StreamPipesCoreApplication extends 
StreamPipesServiceBase {
 
   private List<Pipeline> getAllPipelines() {
     return getPipelineStorage()
-        .getAllPipelines();
+        .findAll();
   }
 
   private IPipelineStorage getPipelineStorage() {
diff --git 
a/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IAdapterStorage.java
 
b/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IAdapterStorage.java
index f2011bbc0c..36ecb20ac8 100644
--- 
a/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IAdapterStorage.java
+++ 
b/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IAdapterStorage.java
@@ -22,17 +22,7 @@ import 
org.apache.streampipes.model.connect.adapter.AdapterDescription;
 
 import java.util.List;
 
-public interface IAdapterStorage extends CRUDStorage<AdapterDescription>{
-
-  List<AdapterDescription> getAllAdapters();
-
-  String storeAdapter(AdapterDescription adapter);
-
-  void updateAdapter(AdapterDescription adapter);
-
-  AdapterDescription getAdapter(String adapterId);
-
-  void deleteAdapter(String adapterId);
+public interface IAdapterStorage extends CRUDStorage<AdapterDescription> {
 
   AdapterDescription getFirstAdapterByAppId(String appId);
 
diff --git 
a/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IDataProcessorStorage.java
 
b/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IDataProcessorStorage.java
index e0b055f978..9b00f555b6 100644
--- 
a/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IDataProcessorStorage.java
+++ 
b/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IDataProcessorStorage.java
@@ -19,11 +19,7 @@ package org.apache.streampipes.storage.api;
 
 import org.apache.streampipes.model.graph.DataProcessorDescription;
 
-import java.util.List;
-
 public interface IDataProcessorStorage extends 
CRUDStorage<DataProcessorDescription> {
 
   DataProcessorDescription getFirstDataProcessorByAppId(String appId);
-
-  List<DataProcessorDescription> getDataProcessorsByAppId(String appId);
 }
diff --git 
a/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IDataSinkStorage.java
 
b/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IDataSinkStorage.java
index d82c02ba6c..1890d1e0a2 100644
--- 
a/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IDataSinkStorage.java
+++ 
b/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IDataSinkStorage.java
@@ -19,11 +19,8 @@ package org.apache.streampipes.storage.api;
 
 import org.apache.streampipes.model.graph.DataSinkDescription;
 
-import java.util.List;
-
 public interface IDataSinkStorage extends CRUDStorage<DataSinkDescription> {
 
   DataSinkDescription getFirstDataSinkByAppId(String appId);
 
-  List<DataSinkDescription> getDataSinksByAppId(String appId);
 }
diff --git 
a/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IPermissionStorage.java
 
b/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IPermissionStorage.java
index fadcc46a01..8c019b4dc0 100644
--- 
a/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IPermissionStorage.java
+++ 
b/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IPermissionStorage.java
@@ -22,17 +22,7 @@ import org.apache.streampipes.model.client.user.Permission;
 import java.util.List;
 import java.util.Set;
 
-public interface IPermissionStorage {
-
-  List<Permission> getAllPermissions();
-
-  Permission getPermissionById(String permissionId);
-
-  void addPermission(Permission permission);
-
-  void updatePermission(Permission permission);
-
-  void deletePermission(String permissionId);
+public interface IPermissionStorage extends CRUDStorage<Permission> {
 
   Set<String> getObjectPermissions(List<String> sids);
 
diff --git 
a/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IPipelineElementDescriptionStorage.java
 
b/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IPipelineElementDescriptionStorage.java
index b67029147e..4de7465344 100644
--- 
a/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IPipelineElementDescriptionStorage.java
+++ 
b/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IPipelineElementDescriptionStorage.java
@@ -19,7 +19,6 @@
 package org.apache.streampipes.storage.api;
 
 import org.apache.streampipes.model.SpDataStream;
-import org.apache.streampipes.model.base.InvocableStreamPipesEntity;
 import org.apache.streampipes.model.connect.adapter.AdapterDescription;
 import org.apache.streampipes.model.graph.DataProcessorDescription;
 import org.apache.streampipes.model.graph.DataSinkDescription;
@@ -28,14 +27,10 @@ import java.util.List;
 
 public interface IPipelineElementDescriptionStorage {
 
-  boolean storeInvocablePipelineElement(InvocableStreamPipesEntity element);
-
   boolean storeDataStream(SpDataStream stream);
 
   boolean storeDataProcessor(DataProcessorDescription processorDescription);
 
-  SpDataStream getDataStreamByAppId(String appId);
-
   SpDataStream getDataStreamById(String rdfId);
 
   DataProcessorDescription getDataProcessorById(String rdfId);
@@ -48,36 +43,20 @@ public interface IPipelineElementDescriptionStorage {
 
   AdapterDescription getAdapterById(String elementId);
 
-  AdapterDescription getAdapterByAppId(String appId);
-
   List<SpDataStream> getAllDataStreams();
 
   List<DataProcessorDescription> getAllDataProcessors();
 
-  List<AdapterDescription> getAllAdapterDescriptions();
-
   boolean deleteDataStream(SpDataStream sep);
 
-  boolean deleteDataStream(String rdfId);
-
   boolean deleteDataProcessor(DataProcessorDescription processorDescription);
 
-  boolean deleteDataProcessor(String rdfId);
-
-  boolean deleteAdapterDescription(AdapterDescription adapterDescription);
-
-  boolean deleteAdapterDescription(String elementId);
-
   boolean exists(SpDataStream stream);
 
   boolean exists(AdapterDescription adapterDescription);
 
   boolean exists(DataProcessorDescription processorDescription);
 
-  boolean existsDataProcessorByAppId(String appId);
-
-  boolean existsDataSinkByAppId(String appId);
-
   boolean existsDataProcessor(String elementId);
 
   boolean existsDataStream(String elementId);
@@ -98,8 +77,6 @@ public interface IPipelineElementDescriptionStorage {
 
   boolean deleteDataSink(DataSinkDescription sec);
 
-  boolean deleteDataSink(String rdfId);
-
   boolean storeDataSink(DataSinkDescription sec);
 
   boolean storeAdapterDescription(AdapterDescription adapterDescription);
diff --git 
a/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IPipelineStorage.java
 
b/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IPipelineStorage.java
index 155652997c..785c0187a4 100644
--- 
a/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IPipelineStorage.java
+++ 
b/streampipes-storage-api/src/main/java/org/apache/streampipes/storage/api/IPipelineStorage.java
@@ -22,19 +22,8 @@ import org.apache.streampipes.model.pipeline.Pipeline;
 
 import java.util.List;
 
-public interface IPipelineStorage {
+public interface IPipelineStorage extends CRUDStorage<Pipeline> {
 
   List<String> getPipelinesUsingAdapter(String adapterId);
 
-  List<Pipeline> getAllPipelines();
-
-  void storePipeline(Pipeline pipeline);
-
-  void updatePipeline(Pipeline pipeline);
-
-  Pipeline getPipeline(String pipelineId);
-
-  void deletePipeline(String pipelineId);
-
-  void store(Pipeline object);
 }
diff --git 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/CouchDbStorageManager.java
 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/CouchDbStorageManager.java
index 64e873a8aa..8f9cd5826b 100644
--- 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/CouchDbStorageManager.java
+++ 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/CouchDbStorageManager.java
@@ -191,7 +191,7 @@ public enum CouchDbStorageManager implements INoSqlStorage {
 
   @Override
   public IPermissionStorage getPermissionStorage() {
-    return new PermissionStorageImpl();
+    return new PermissionStorageImpl("users/permissions");
   }
 
   @Override
diff --git 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/AdapterDescriptionStorageImpl.java
 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/AdapterDescriptionStorageImpl.java
index 2095bc618e..cd78b5af69 100644
--- 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/AdapterDescriptionStorageImpl.java
+++ 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/AdapterDescriptionStorageImpl.java
@@ -20,71 +20,32 @@ package org.apache.streampipes.storage.couchdb.impl;
 
 import org.apache.streampipes.model.connect.adapter.AdapterDescription;
 import org.apache.streampipes.storage.api.IAdapterStorage;
-import org.apache.streampipes.storage.couchdb.dao.AbstractDao;
-import org.apache.streampipes.storage.couchdb.dao.DbCommand;
-import org.apache.streampipes.storage.couchdb.dao.FindCommand;
 import org.apache.streampipes.storage.couchdb.utils.Utils;
 
 import java.util.List;
 import java.util.NoSuchElementException;
-import java.util.Optional;
 
-public class AdapterDescriptionStorageImpl extends 
AbstractDao<AdapterDescription> implements IAdapterStorage {
+public class AdapterDescriptionStorageImpl extends 
DefaultCrudStorage<AdapterDescription> implements IAdapterStorage {
 
   public AdapterDescriptionStorageImpl() {
     super(Utils::getCouchDbAdapterDescriptionClient, AdapterDescription.class);
   }
 
-  @Override
-  public List<AdapterDescription> getAllAdapters() {
-    return findAll();
-  }
-
-  @Override
-  public String storeAdapter(AdapterDescription adapter) {
-    return persist(adapter).v;
-  }
-
-  @Override
-  public void updateAdapter(AdapterDescription adapter) {
-    couchDbClientSupplier.get().update(adapter);
-  }
-
-  @Override
-  public AdapterDescription getAdapter(String adapterId) {
-    DbCommand<Optional<AdapterDescription>, AdapterDescription> cmd =
-        new FindCommand<>(couchDbClientSupplier, adapterId, 
AdapterDescription.class);
-    return cmd.execute().get();
-  }
-
-  @Override
-  public void deleteAdapter(String adapterId) {
-
-    AdapterDescription adapterDescription = getAdapter(adapterId);
-    couchDbClientSupplier.get().remove(adapterDescription.getElementId(), 
adapterDescription.getRev());
-
-  }
-
   @Override
   public AdapterDescription getFirstAdapterByAppId(String appId) {
     return this.findAll()
-            .stream()
-            .filter(p -> p.getAppId().equals(appId))
-            .findFirst()
-            .orElseThrow(NoSuchElementException::new);
+        .stream()
+        .filter(p -> p.getAppId().equals(appId))
+        .findFirst()
+        .orElseThrow(NoSuchElementException::new);
   }
 
   @Override
   public List<AdapterDescription> getAdaptersByAppId(String appId) {
     return this.findAll()
-            .stream()
-            .filter(p -> p.getAppId().equals(appId))
-            .toList();
-  }
-
-  @Override
-  public AdapterDescription getElementById(String id) {
-    return findWithNullIfEmpty(id);
+        .stream()
+        .filter(p -> p.getAppId().equals(appId))
+        .toList();
   }
 
   @Override
@@ -95,11 +56,6 @@ public class AdapterDescriptionStorageImpl extends 
AbstractDao<AdapterDescriptio
     return getElementById(element.getElementId());
   }
 
-  @Override
-  public void deleteElement(AdapterDescription element) {
-    delete(element.getElementId());
-  }
-
   private String getCurrentRev(String elementId) {
     return find(elementId).get().getRev();
   }
diff --git 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/AdapterInstanceStorageImpl.java
 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/AdapterInstanceStorageImpl.java
index a744bf7866..9b9f68eb3f 100644
--- 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/AdapterInstanceStorageImpl.java
+++ 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/AdapterInstanceStorageImpl.java
@@ -20,81 +20,31 @@ package org.apache.streampipes.storage.couchdb.impl;
 
 import org.apache.streampipes.model.connect.adapter.AdapterDescription;
 import org.apache.streampipes.storage.api.IAdapterStorage;
-import org.apache.streampipes.storage.couchdb.dao.AbstractDao;
-import org.apache.streampipes.storage.couchdb.dao.DbCommand;
-import org.apache.streampipes.storage.couchdb.dao.FindCommand;
 import org.apache.streampipes.storage.couchdb.utils.Utils;
 
 import java.util.List;
 import java.util.NoSuchElementException;
-import java.util.Optional;
 
-public class AdapterInstanceStorageImpl extends 
AbstractDao<AdapterDescription> implements IAdapterStorage {
+public class AdapterInstanceStorageImpl extends 
DefaultCrudStorage<AdapterDescription> implements IAdapterStorage {
 
   public AdapterInstanceStorageImpl() {
     super(Utils::getCouchDbAdapterInstanceClient, AdapterDescription.class);
   }
 
-  @Override
-  public List<AdapterDescription> getAllAdapters() {
-    return findAll();
-  }
-
-  @Override
-  public String storeAdapter(AdapterDescription adapter) {
-    return persist(adapter).v;
-  }
-
-  @Override
-  public void updateAdapter(AdapterDescription adapter) {
-    couchDbClientSupplier.get().update(adapter);
-  }
-
-  @Override
-  public AdapterDescription getAdapter(String adapterId) {
-    DbCommand<Optional<AdapterDescription>, AdapterDescription> cmd =
-            new FindCommand<>(couchDbClientSupplier, adapterId, 
AdapterDescription.class);
-    return cmd.execute().orElse(null);
-  }
-
-  @Override
-  public void deleteAdapter(String adapterId) {
-
-    AdapterDescription adapterDescription = getAdapter(adapterId);
-    couchDbClientSupplier.get().remove(adapterDescription.getElementId(), 
adapterDescription.getRev());
-
-  }
-
-  @Override
-  public AdapterDescription getElementById(String id) {
-    return findWithNullIfEmpty(id);
-  }
-
   @Override
   public AdapterDescription getFirstAdapterByAppId(String appId) {
     return this.findAll()
-            .stream()
-            .filter(p -> p.getAppId().equals(appId))
-            .findFirst()
-            .orElseThrow(NoSuchElementException::new);
+        .stream()
+        .filter(p -> p.getAppId().equals(appId))
+        .findFirst()
+        .orElseThrow(NoSuchElementException::new);
   }
 
   @Override
   public List<AdapterDescription> getAdaptersByAppId(String appId) {
     return this.findAll()
-            .stream()
-            .filter(p -> p.getAppId().equals(appId))
-            .toList();
-  }
-
-  @Override
-  public AdapterDescription updateElement(AdapterDescription element) {
-    update(element);
-    return getElementById(element.getElementId());
-  }
-
-  @Override
-  public void deleteElement(AdapterDescription element) {
-    delete(element.getElementId());
+        .stream()
+        .filter(p -> p.getAppId().equals(appId))
+        .toList();
   }
 }
diff --git 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/DataProcessorStorageImpl.java
 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/DataProcessorStorageImpl.java
index c6102fbf6b..f65fe325b4 100644
--- 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/DataProcessorStorageImpl.java
+++ 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/DataProcessorStorageImpl.java
@@ -22,7 +22,6 @@ import 
org.apache.streampipes.storage.api.IDataProcessorStorage;
 import org.apache.streampipes.storage.couchdb.dao.AbstractDao;
 import org.apache.streampipes.storage.couchdb.utils.Utils;
 
-import java.util.List;
 import java.util.NoSuchElementException;
 
 public class DataProcessorStorageImpl extends 
AbstractDao<DataProcessorDescription> implements IDataProcessorStorage {
@@ -58,14 +57,6 @@ public class DataProcessorStorageImpl extends 
AbstractDao<DataProcessorDescripti
         .orElseThrow(NoSuchElementException::new);
   }
 
-  @Override
-  public List<DataProcessorDescription> getDataProcessorsByAppId(String appId) 
{
-    return this.findAll()
-            .stream()
-            .filter(p -> p.getAppId().equals(appId))
-            .toList();
-  }
-
   private String getCurrentRev(String elementId) {
     return find(elementId).get().getRev();
   }
diff --git 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/DataSinkStorageImpl.java
 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/DataSinkStorageImpl.java
index bfaa065dea..2fe0efe013 100644
--- 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/DataSinkStorageImpl.java
+++ 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/DataSinkStorageImpl.java
@@ -22,8 +22,6 @@ import org.apache.streampipes.storage.api.IDataSinkStorage;
 import org.apache.streampipes.storage.couchdb.dao.AbstractDao;
 import org.apache.streampipes.storage.couchdb.utils.Utils;
 
-import java.util.List;
-
 public class DataSinkStorageImpl extends AbstractDao<DataSinkDescription> 
implements IDataSinkStorage {
 
 
@@ -57,14 +55,6 @@ public class DataSinkStorageImpl extends 
AbstractDao<DataSinkDescription> implem
         .orElseThrow(IllegalArgumentException::new);
   }
 
-  @Override
-  public List<DataSinkDescription> getDataSinksByAppId(String appId) {
-    return this.findAll()
-            .stream()
-            .filter(s -> s.getAppId().equals(appId))
-            .toList();
-  }
-
   private String getCurrentRev(String elementId) {
     return find(elementId).get().getRev();
   }
diff --git 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/DefaultViewCrudStorage.java
 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/DefaultViewCrudStorage.java
index a28c70147f..708682fab5 100644
--- 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/DefaultViewCrudStorage.java
+++ 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/DefaultViewCrudStorage.java
@@ -27,7 +27,7 @@ import java.util.function.Supplier;
 
 public class DefaultViewCrudStorage<T extends Storable> extends 
DefaultCrudStorage<T> {
 
-  private final String viewName;
+  protected final String viewName;
 
   public DefaultViewCrudStorage(Supplier<CouchDbClient> couchDbClientSupplier,
                                 Class<T> clazz,
diff --git 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/PermissionStorageImpl.java
 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/PermissionStorageImpl.java
index 401d0a9d61..622f24481d 100644
--- 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/PermissionStorageImpl.java
+++ 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/PermissionStorageImpl.java
@@ -19,44 +19,16 @@ package org.apache.streampipes.storage.couchdb.impl;
 
 import org.apache.streampipes.model.client.user.Permission;
 import org.apache.streampipes.storage.api.IPermissionStorage;
-import org.apache.streampipes.storage.couchdb.dao.CrudDao;
 import org.apache.streampipes.storage.couchdb.utils.Utils;
 
 import java.util.List;
 import java.util.Set;
 import java.util.stream.Collectors;
 
-public class PermissionStorageImpl extends CrudDao implements 
IPermissionStorage {
+public class PermissionStorageImpl extends DefaultViewCrudStorage<Permission> 
implements IPermissionStorage {
 
-  private String viewName = "users/permissions";
-
-  public PermissionStorageImpl() {
-    super(Utils::getCouchDbUserClient);
-  }
-
-  @Override
-  public List<Permission> getAllPermissions() {
-    return findAll(viewName, Permission.class);
-  }
-
-  @Override
-  public Permission getPermissionById(String permissionId) {
-    return findWithNullIfEmpty(permissionId, Permission.class);
-  }
-
-  @Override
-  public void addPermission(Permission permission) {
-    persist(permission, Permission.class);
-  }
-
-  @Override
-  public void updatePermission(Permission permission) {
-    update(permission, Permission.class);
-  }
-
-  @Override
-  public void deletePermission(String permissionId) {
-    delete(permissionId, Permission.class);
+  public PermissionStorageImpl(String viewName) {
+    super(Utils::getCouchDbUserClient, Permission.class, viewName);
   }
 
   public Set<String> getObjectPermissions(List<String> principalSids) {
diff --git 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/PipelineElementDescriptionStorageImpl.java
 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/PipelineElementDescriptionStorageImpl.java
index 7a2a291b52..50a6da5e3e 100644
--- 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/PipelineElementDescriptionStorageImpl.java
+++ 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/PipelineElementDescriptionStorageImpl.java
@@ -18,7 +18,6 @@
 package org.apache.streampipes.storage.couchdb.impl;
 
 import org.apache.streampipes.model.SpDataStream;
-import org.apache.streampipes.model.base.InvocableStreamPipesEntity;
 import org.apache.streampipes.model.connect.adapter.AdapterDescription;
 import org.apache.streampipes.model.graph.DataProcessorDescription;
 import org.apache.streampipes.model.graph.DataSinkDescription;
@@ -29,7 +28,6 @@ import org.apache.streampipes.storage.api.IDataStreamStorage;
 import org.apache.streampipes.storage.api.IPipelineElementDescriptionStorage;
 
 import java.util.List;
-import java.util.NoSuchElementException;
 
 public class PipelineElementDescriptionStorageImpl implements 
IPipelineElementDescriptionStorage {
 
@@ -45,12 +43,6 @@ public class PipelineElementDescriptionStorageImpl 
implements IPipelineElementDe
     this.adapterStorage = new AdapterDescriptionStorageImpl();
   }
 
-  @Override
-  public boolean storeInvocablePipelineElement(InvocableStreamPipesEntity 
element) {
-    // TODO Check if this is needed
-    return false;
-  }
-
   @Override
   public boolean storeDataStream(SpDataStream stream) {
     this.dataStreamStorage.persist(stream);
@@ -63,11 +55,6 @@ public class PipelineElementDescriptionStorageImpl 
implements IPipelineElementDe
     return true;
   }
 
-  @Override
-  public SpDataStream getDataStreamByAppId(String appId) {
-    return this.dataStreamStorage.getDataStreamByAppId(appId);
-  }
-
   @Override
   public SpDataStream getDataStreamById(String rdfId) {
     return this.dataStreamStorage.getElementById(rdfId);
@@ -98,11 +85,6 @@ public class PipelineElementDescriptionStorageImpl 
implements IPipelineElementDe
     return adapterStorage.getElementById(elementId);
   }
 
-  @Override
-  public AdapterDescription getAdapterByAppId(String appId) {
-    return this.adapterStorage.getFirstAdapterByAppId(appId);
-  }
-
   @Override
   public List<SpDataStream> getAllDataStreams() {
     return this.dataStreamStorage.findAll();
@@ -113,45 +95,18 @@ public class PipelineElementDescriptionStorageImpl 
implements IPipelineElementDe
     return this.dataProcessorStorage.findAll();
   }
 
-  @Override
-  public List<AdapterDescription> getAllAdapterDescriptions() {
-    return null;
-  }
-
   @Override
   public boolean deleteDataStream(SpDataStream sep) {
     this.dataStreamStorage.deleteElement(sep);
     return true;
   }
 
-  @Override
-  public boolean deleteDataStream(String rdfId) {
-    return deleteDataStream(getDataStreamById(rdfId));
-  }
-
   @Override
   public boolean deleteDataProcessor(DataProcessorDescription 
processorDescription) {
     this.dataProcessorStorage.deleteElement(processorDescription);
     return true;
   }
 
-  @Override
-  public boolean deleteDataProcessor(String rdfId) {
-    return deleteDataProcessor(getDataProcessorById(rdfId));
-  }
-
-  @Override
-  public boolean deleteAdapterDescription(AdapterDescription 
adapterDescription) {
-    adapterStorage.deleteAdapter(adapterDescription.getElementId());
-    return true;
-  }
-
-  @Override
-  public boolean deleteAdapterDescription(String elementId) {
-    adapterStorage.deleteAdapter(elementId);
-    return true;
-  }
-
   @Override
   public boolean exists(SpDataStream stream) {
     return getEventStreamById(stream.getElementId()) != null;
@@ -167,26 +122,6 @@ public class PipelineElementDescriptionStorageImpl 
implements IPipelineElementDe
     return getDataProcessorById(processorDescription.getElementId()) != null;
   }
 
-  @Override
-  public boolean existsDataProcessorByAppId(String appId) {
-    try {
-      getDataProcessorByAppId(appId);
-      return true;
-    } catch (NoSuchElementException e) {
-      return false;
-    }
-  }
-
-  @Override
-  public boolean existsDataSinkByAppId(String appId) {
-    try {
-      getDataSinkByAppId(appId);
-      return true;
-    } catch (NoSuchElementException e) {
-      return false;
-    }
-  }
-
   @Override
   public boolean existsDataProcessor(String elementId) {
     return getDataProcessorById(elementId) != null;
@@ -242,11 +177,6 @@ public class PipelineElementDescriptionStorageImpl 
implements IPipelineElementDe
     return true;
   }
 
-  @Override
-  public boolean deleteDataSink(String rdfId) {
-    return deleteDataSink(getDataSinkById(rdfId));
-  }
-
   @Override
   public boolean storeDataSink(DataSinkDescription sec) {
     this.dataSinkStorage.persist(sec);
@@ -255,7 +185,7 @@ public class PipelineElementDescriptionStorageImpl 
implements IPipelineElementDe
 
   @Override
   public boolean storeAdapterDescription(AdapterDescription 
adapterDescription) {
-    this.adapterStorage.storeAdapter(adapterDescription);
+    this.adapterStorage.persist(adapterDescription);
     return true;
   }
 
diff --git 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/PipelineStorageImpl.java
 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/PipelineStorageImpl.java
index 03cae5751b..afc5164c3e 100644
--- 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/PipelineStorageImpl.java
+++ 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/impl/PipelineStorageImpl.java
@@ -20,7 +20,6 @@ package org.apache.streampipes.storage.couchdb.impl;
 
 import org.apache.streampipes.model.pipeline.Pipeline;
 import org.apache.streampipes.storage.api.IPipelineStorage;
-import org.apache.streampipes.storage.couchdb.dao.AbstractDao;
 import org.apache.streampipes.storage.couchdb.utils.Utils;
 
 import com.google.gson.JsonObject;
@@ -29,7 +28,7 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.stream.Collectors;
 
-public class PipelineStorageImpl extends AbstractDao<Pipeline> implements 
IPipelineStorage {
+public class PipelineStorageImpl extends DefaultCrudStorage<Pipeline> 
implements IPipelineStorage {
 
   private static final String ADAPTER_VIEW = "adapters/used-adapters";
   private static final String ALL_PIPELINES_VIEW = "pipelines/all";
@@ -50,7 +49,7 @@ public class PipelineStorageImpl extends 
AbstractDao<Pipeline> implements IPipel
   }
 
   @Override
-  public List<Pipeline> getAllPipelines() {
+  public List<Pipeline> findAll() {
     List<Pipeline> pipelines = findAll(ALL_PIPELINES_VIEW);
 
     List<Pipeline> result = new ArrayList<>();
@@ -61,29 +60,4 @@ public class PipelineStorageImpl extends 
AbstractDao<Pipeline> implements IPipel
     }
     return result;
   }
-
-  @Override
-  public void storePipeline(Pipeline pipeline) {
-    persist(pipeline);
-  }
-
-  @Override
-  public void updatePipeline(Pipeline pipeline) {
-    update(pipeline);
-  }
-
-  @Override
-  public Pipeline getPipeline(String pipelineId) {
-    return findWithNullIfEmpty(pipelineId);
-  }
-
-  @Override
-  public void deletePipeline(String pipelineId) {
-    delete(pipelineId);
-  }
-
-  @Override
-  public void store(Pipeline object) {
-    persist(object);
-  }
 }
diff --git 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/utils/Utils.java
 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/utils/Utils.java
index a9e1be34f9..1801df15d8 100644
--- 
a/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/utils/Utils.java
+++ 
b/streampipes-storage-couchdb/src/main/java/org/apache/streampipes/storage/couchdb/utils/Utils.java
@@ -66,14 +66,6 @@ public class Utils {
     return getCouchDbGsonClient("general-configuration");
   }
 
-  public static CouchDbClient getCouchDbExtensionsStorage() {
-    return getCouchDbGsonClient("extensions-services");
-  }
-
-  public static CouchDbClient getCouchDbLabelClient() {
-    return getCouchDbGsonClient("label");
-  }
-
   public static CouchDbClient getCouchDbFileMetadataClient() {
     return getCouchDbGsonClient("filemetadata");
   }

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