/**
      * Delete all application related data of a tenant by tenant Domain

      * @throws ApplicationManagementException thrown if an error occurs when deleting data
      */
-    void deleteApplicationDataByTenantDomain(String tenantDomain) throws ApplicationManagementException;
+    void deleteApplicationDataByTenantDomain(int tenantId) throws ApplicationManagementException;

      * @throws ApplicationManagementException thrown if an error occurs when deleting app folders
      */
-    void deleteApplicationArtifactsByTenantDomain(String tenantDomain) throws ApplicationManagementException;
+    void deleteApplicationArtifactsByTenantDomain(int tenantId) throws ApplicationManagementException;

         } catch (DBConnectionException e) {
             String msg = "Error occurred while observing the database connection to delete applications for tenant with " +
-                    "domain: " + tenantDomain;
+                    "tenant ID: " + tenantId;