Aldrin Piri created NIFI-891:
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Summary: Provide mechanisms to handle processors that do not take
input connections
Key: NIFI-891
URL: https://issues.apache.org/jira/browse/NIFI-891
Project: Apache NiFi
Issue Type: Improvement
Components: Core Framework, Extensions
Reporter: Aldrin Piri
This is the "other half" of functionality of NIFI-810.
Some processors (typically those providing List, Get, Listen functionality)
take no input connections which can be confusing to users as their is no
indication and files will endlessly queue.
Ideally, processors could be registered as invalid should they have a
connection where they will not consume any files. Ideally, the UI will would
prevent the connection from even making these connections.
Processors that do not consume messages could also make use of an annotation
akin to @IgnoresInput
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