[GitHub] [nifi-minifi-cpp] fgerlits commented on a change in pull request #1013: MINIFICPP-1487 Always yield if no input flow files were processed

[GitBox <gi...@apache.org>]

fgerlits commented on a change in pull request #1013:
URL: https://github.com/apache/nifi-minifi-cpp/pull/1013#discussion_r580930418



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File path: libminifi/src/core/Processor.cpp
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@@ -277,6 +286,28 @@ void Processor::onTrigger(const std::shared_ptr<ProcessContext> &context, const
   }
 }
 
+void Processor::callOnTrigger(const std::shared_ptr<ProcessContext>& context, const std::shared_ptr<ProcessSession>& session) {
+  uint64_t num_incoming_flow_files_queued_before = numIncomingFlowFilesQueued();
+  onTrigger(context, session);  // virtual method overridden by subclasses
+  uint64_t num_incoming_flow_files_queued_after = numIncomingFlowFilesQueued();
+
+  if (num_incoming_flow_files_queued_before != 0 && num_incoming_flow_files_queued_before == num_incoming_flow_files_queued_after) {

Review comment:
       Yes, good point -- I'll need to rethink this.




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