Github user phrocker commented on a diff in the pull request:
https://github.com/apache/nifi-minifi-cpp/pull/163#discussion_r148305726
--- Diff: libminifi/include/lua/LuaProcessSession.h ---
@@ -0,0 +1,86 @@
+/**
+ * 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.
+ */
+
+#ifndef NIFI_MINIFI_CPP_LUAPROCESSSESSION_H
+#define NIFI_MINIFI_CPP_LUAPROCESSSESSION_H
+
+#include <sol.hpp>
+
+#include <core/ProcessSession.h>
+#include <script/ScriptFlowFile.h>
+#include <lua/LuaBaseStream.h>
+
+namespace org {
+namespace apache {
+namespace nifi {
+namespace minifi {
+namespace lua {
+
+class LuaProcessSession {
+ public:
+ explicit LuaProcessSession(core::ProcessSession *session);
+
+ std::shared_ptr<script::ScriptFlowFile> get();
+ std::shared_ptr<script::ScriptFlowFile> create();
+ std::shared_ptr<script::ScriptFlowFile>
create(std::shared_ptr<script::ScriptFlowFile> flow_file);
+ void transfer(std::shared_ptr<script::ScriptFlowFile> flow_file,
core::Relationship relationship);
--- End diff --
const ref shared ptrs will help reduce the cost of ref counting, though
small.
---