[GitHub] [nifi-minifi-cpp] adamdebreceni commented on a change in pull request #1083: MINIFICPP-1507 convert OutputStream::write to size_t

[GitBox]

adamdebreceni commented on a change in pull request #1083:
URL: https://github.com/apache/nifi-minifi-cpp/pull/1083#discussion_r643133609



##########
File path: extensions/standard-processors/processors/GenerateFlowFile.h
##########
@@ -67,16 +67,14 @@ class GenerateFlowFile : public core::Processor {
   // Nest Callback Class for write stream
   class WriteCallback : public OutputStreamCallback {
    public:
-    WriteCallback(std::vector<char> && data) : data_(std::move(data)) { // 
NOLINT
-    }
-    WriteCallback(const std::vector<char>& data) : data_(data) { // NOLINT
-    }
-    std::vector<char> data_;
-    int64_t process(const std::shared_ptr<io::BaseStream>& stream) {
-      int64_t ret = 0;
-      if (data_.size() > 0)
-        ret = stream->write(reinterpret_cast<uint8_t*>(&data_[0]), 
gsl::narrow<int>(data_.size()));
-      return ret;
+    explicit WriteCallback(std::vector<char>& data)
+        :data_(&data)
+    { }
+    gsl::not_null<std::vector<char>*> data_;

Review comment:
       why use pointer instead of (const) ref?




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