diff --git a/Device/templates/designToDeviceBaseHeader.jinja b/Device/templates/designToDeviceBaseHeader.jinja
index 3424f201..506884df 100644
--- a/Device/templates/designToDeviceBaseHeader.jinja
+++ b/Device/templates/designToDeviceBaseHeader.jinja
@@ -21,8 +21,8 @@
 
 {% macro get_parent_struct(class_name) %}
   {% set parent_class_name = designInspector.get_parent(class_name) %}
-  {%- if parent_class_name != None and designInspector.class_has_legit_device_parent(parent_class_name) -%}
-    D{{parent}}
+  {%- if parent_class_name != None and designInspector.class_has_legit_device_parent(class_name) -%}
+    D{{parent_class_name}}
   {%- else -%}
     struct{/*No Device Logic for parent {{parent_class_name}} of {{class_name}}*/}
   {%- endif -%}
diff --git a/FrameworkInternals/original_files.txt b/FrameworkInternals/original_files.txt
index 0e38de06..8286fab6 100644
--- a/FrameworkInternals/original_files.txt
+++ b/FrameworkInternals/original_files.txt
@@ -887,6 +887,9 @@
             "DLogLevel.h": {
                 "use_defaults": "file_defaults_of_directory"
             },
+            "DSourceVariableThreadPool.h": {
+                "use_defaults": "file_defaults_of_directory"
+            },
             "MetaBuildInfo.h": {
                 "use_defaults": "file_defaults_of_directory"
             },
@@ -910,6 +913,9 @@
             "DLogLevel.cpp": {
                 "use_defaults": "file_defaults_of_directory"
             },
+            "DSourceVariableThreadPool.cpp": {
+                "use_defaults": "file_defaults_of_directory"
+            },
             "MetaBuildInfo.cpp": {
                 "use_defaults": "file_defaults_of_directory"
             },
diff --git a/Meta/CMakeLists.txt b/Meta/CMakeLists.txt
index 6e1e77e0..4a335f6d 100644
--- a/Meta/CMakeLists.txt
+++ b/Meta/CMakeLists.txt
@@ -35,7 +35,12 @@
 # The reason that MetaBuildInfo.cpp is not amalgamated is that it depends on a file which is regenerated at each build
 # and there is no reason to rebuild amalgamated files without the factual reason!
 
-add_library (Meta OBJECT src/meta.cpp src/MetaBuildInfo.cpp src/metaBackwardsCompatibilityUtils.cpp src/DLogLevel.cpp)
+add_library (Meta OBJECT 
+  src/meta.cpp 
+  src/MetaBuildInfo.cpp 
+  src/metaBackwardsCompatibilityUtils.cpp 
+  src/DLogLevel.cpp
+  src/DSourceVariableThreadPool.cpp)
 
 file(MAKE_DIRECTORY ${PROJECT_BINARY_DIR}/generated)
 
diff --git a/Meta/design/meta-design.xml b/Meta/design/meta-design.xml
index 9e3ce577..e7166d88 100644
--- a/Meta/design/meta-design.xml
+++ b/Meta/design/meta-design.xml
@@ -61,6 +61,7 @@ class sources are provided (statically) in the Meta module.
   </d:class>
   
   <d:class name="SourceVariableThreadPool" defaultInstanceName="SourceVariableThreadPool">
+    <d:devicelogic/>
     <d:cachevariable name="maxThreads" addressSpaceWrite="forbidden" dataType="UaString" initializeWith="configuration" nullPolicy="nullForbidden"/>
     <d:cachevariable name="minThreads" addressSpaceWrite="forbidden" dataType="UaString" initializeWith="configuration" nullPolicy="nullForbidden"/>
   </d:class>
diff --git a/Meta/include/DSourceVariableThreadPool.h b/Meta/include/DSourceVariableThreadPool.h
new file mode 100644
index 00000000..dceff724
--- /dev/null
+++ b/Meta/include/DSourceVariableThreadPool.h
@@ -0,0 +1,69 @@
+
+/*  © Copyright CERN, 2015. All rights not expressly granted are reserved.
+
+    The stub of this file was generated by quasar (https://github.com/quasar-team/quasar/)
+
+    Quasar is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public Licence as published by
+    the Free Software Foundation, either version 3 of the Licence.
+    Quasar is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public Licence for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with Quasar.  If not, see <http://www.gnu.org/licenses/>.
+
+
+ */
+
+
+#ifndef __DSourceVariableThreadPool__H__
+#define __DSourceVariableThreadPool__H__
+
+#include <Base_DSourceVariableThreadPool.h>
+
+namespace Device
+{
+
+class
+    DSourceVariableThreadPool
+    : public Base_DSourceVariableThreadPool
+{
+
+public:
+    /* sample constructor */
+    explicit DSourceVariableThreadPool (
+        const Configuration::SourceVariableThreadPool& config,
+        Parent_DSourceVariableThreadPool* parent
+    ) ;
+    /* sample dtr */
+    ~DSourceVariableThreadPool ();
+
+    /* delegators for
+    cachevariables and sourcevariables */
+
+
+    /* delegators for methods */
+
+private:
+    /* Delete copy constructor and assignment operator */
+    DSourceVariableThreadPool( const DSourceVariableThreadPool& other );
+    DSourceVariableThreadPool& operator=(const DSourceVariableThreadPool& other);
+
+    // ----------------------------------------------------------------------- *
+    // -     CUSTOM CODE STARTS BELOW THIS COMMENT.                            *
+    // -     Don't change this comment, otherwise merge tool may be troubled.  *
+    // ----------------------------------------------------------------------- *
+
+public:
+
+private:
+
+
+
+};
+
+}
+
+#endif // __DSourceVariableThreadPool__H__
\ No newline at end of file
diff --git a/Meta/src/DSourceVariableThreadPool.cpp b/Meta/src/DSourceVariableThreadPool.cpp
new file mode 100644
index 00000000..346d6fb9
--- /dev/null
+++ b/Meta/src/DSourceVariableThreadPool.cpp
@@ -0,0 +1,94 @@
+
+/*  © Copyright CERN, 2015. All rights not expressly granted are reserved.
+
+    The stub of this file was generated by quasar (https://github.com/quasar-team/quasar/)
+
+    Quasar is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public Licence as published by
+    the Free Software Foundation, either version 3 of the Licence.
+    Quasar is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public Licence for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with Quasar.  If not, see <http://www.gnu.org/licenses/>.
+
+
+ */
+
+
+#include <Configuration.hxx> // TODO; should go away, is already in Base class for ages
+
+#include <DSourceVariableThreadPool.h>
+#include <ASSourceVariableThreadPool.h>
+
+#include <SourceVariables.h>
+
+namespace Device
+{
+// 1111111111111111111111111111111111111111111111111111111111111111111111111
+// 1     GENERATED CODE STARTS HERE AND FINISHES AT SECTION 2              1
+// 1     Users don't modify this code!!!!                                  1
+// 1     If you modify this code you may start a fire or a flood somewhere,1
+// 1     and some human being may possible cease to exist. You don't want  1
+// 1     to be charged with that!                                          1
+// 1111111111111111111111111111111111111111111111111111111111111111111111111
+
+
+
+
+
+
+// 2222222222222222222222222222222222222222222222222222222222222222222222222
+// 2     SEMI CUSTOM CODE STARTS HERE AND FINISHES AT SECTION 3            2
+// 2     (code for which only stubs were generated automatically)          2
+// 2     You should add the implementation but dont alter the headers      2
+// 2     (apart from constructor, in which you should complete initializati2
+// 2     on list)                                                          2
+// 2222222222222222222222222222222222222222222222222222222222222222222222222
+
+/* sample ctr */
+DSourceVariableThreadPool::DSourceVariableThreadPool (
+    const Configuration::SourceVariableThreadPool& config,
+    Parent_DSourceVariableThreadPool* parent
+):
+    Base_DSourceVariableThreadPool( config, parent)
+
+    /* fill up constructor initialization list here */
+{
+    /* fill up constructor body here */
+  #ifndef BACKEND_OPEN62541
+    try
+    {
+        const std::string minThreads = config.minThreads();
+        const std::string maxThreads = config.maxThreads();
+        LOG(Log::INF) << __FUNCTION__ << " starting source variable thread pool with min threads ["<<minThreads<<"] max threads ["<<maxThreads<<"]";
+        AddressSpace::SourceVariables_initSourceVariablesThreadPool (std::stoi(minThreads), std::stoi(maxThreads));
+    }
+    catch(const std::exception& e)
+    {
+        LOG(Log::ERR) << __FUNCTION__ << " failed to start source variable thread pool, error: " << e.what();
+        throw e;
+    }
+  #endif    
+}
+
+/* sample dtr */
+DSourceVariableThreadPool::~DSourceVariableThreadPool ()
+{
+}
+
+/* delegates for cachevariables */
+
+
+
+/* delegators for methods */
+
+// 3333333333333333333333333333333333333333333333333333333333333333333333333
+// 3     FULLY CUSTOM CODE STARTS HERE                                     3
+// 3     Below you put bodies for custom methods defined for this class.   3
+// 3     You can do whatever you want, but please be decent.               3
+// 3333333333333333333333333333333333333333333333333333333333333333333333333
+
+}
\ No newline at end of file