From 8cf41b1d02e33c86169469ea138b8035fd7622aa Mon Sep 17 00:00:00 2001
From: Will Sobel <will@wvsobel.llc>
Date: Thu, 22 May 2025 16:03:48 -0400
Subject: [PATCH] checkpoint

---
 agent_lib/CMakeLists.txt |  2 ++
 error.cpp                | 37 ++++++++++++++++++++++++++++++
 error.hpp                | 49 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 88 insertions(+)
 create mode 100644 error.cpp
 create mode 100644 error.hpp

diff --git a/agent_lib/CMakeLists.txt b/agent_lib/CMakeLists.txt
index bf25989d4..37cfdef25 100644
--- a/agent_lib/CMakeLists.txt
+++ b/agent_lib/CMakeLists.txt
@@ -260,6 +260,7 @@ set(AGENT_SOURCES
 # src/sink/rest_sink HEADER_FILE_ONLY
         
         "${SOURCE_DIR}/sink/rest_sink/cached_file.hpp"
+        "${SOURCE_DIR}/sink/rest_sink/error.hpp"
         "${SOURCE_DIR}/sink/rest_sink/file_cache.hpp"
         "${SOURCE_DIR}/sink/rest_sink/parameter.hpp"
         "${SOURCE_DIR}/sink/rest_sink/request.hpp"
@@ -274,6 +275,7 @@ set(AGENT_SOURCES
   
 # src/sink/rest_sink SOURCE_FILES_ONLY
 
+        "${SOURCE_DIR}/sink/rest_sink/error.cpp"
         "${SOURCE_DIR}/sink/rest_sink/file_cache.cpp"
         "${SOURCE_DIR}/sink/rest_sink/rest_service.cpp"
         "${SOURCE_DIR}/sink/rest_sink/server.cpp"
diff --git a/error.cpp b/error.cpp
new file mode 100644
index 000000000..ddf80c038
--- /dev/null
+++ b/error.cpp
@@ -0,0 +1,37 @@
+//
+// Copyright Copyright 2009-2024, AMT – The Association For Manufacturing Technology (“AMT”)
+// All rights reserved.
+//
+//    Licensed 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.
+//
+
+#include "error.hpp"
+#include "mtconnect/entity/factory.hpp"
+
+namespace mtconnect::sink::rest_sink {
+  using namespace mtconnect::entity;
+  using namespace std;
+  
+  entity::FactoryPtr Error::getFactory()
+  {
+    static auto error = make_shared<Factory>(Requirements {{"errorCode", true},
+      {"URI", true},
+      {"ErrorMessage", false}});
+    
+    return error;
+  }
+  
+  
+  
+}
+
diff --git a/error.hpp b/error.hpp
new file mode 100644
index 000000000..5fcf5f7bb
--- /dev/null
+++ b/error.hpp
@@ -0,0 +1,49 @@
+//
+// Copyright Copyright 2009-2024, AMT – The Association For Manufacturing Technology (“AMT”)
+// All rights reserved.
+//
+//    Licensed 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.
+//
+
+#include "mtconnect/entity/entity.hpp"
+
+namespace mtconnect::sink::rest_sink {
+  
+  class QueryParameter : public mtconnect::entity::Entity
+  {
+    
+    
+  };
+  
+  class AGENT_LIB_API Error : public mtconnect::entity::Entity {
+  public:
+    Error(const std::string &name, const entity::Properties &props)
+    : entity::Entity(name, props)
+    {
+    }
+    ~Error() override = default;
+
+    /// @brief get the static error factory
+    /// @return shared pointer to the factory
+    static entity::FactoryPtr getFactory();    
+  };
+  
+  class InvalidParameterValue : public Error
+  {
+    
+    
+  };
+  
+
+}
+