[jira] [Created] (PLC4X-219) NIFI processors should only work with specific attributes

["Otto Fowler (Jira)" <ji...@apache.org>]

Otto Fowler created PLC4X-219:
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             Summary: NIFI processors should only work with specific attributes
                 Key: PLC4X-219
                 URL: https://issues.apache.org/jira/browse/PLC4X-219
             Project: Apache PLC4X
          Issue Type: Bug
            Reporter: Otto Fowler


NIFI Flowfiles have 'automatic' attributes, that are there even if they aren't explicitly created by a flow processor.

The PLC4x processors use all the attributes when writing, this is incorrect.  They will be writing the wrong things.

The usual pattern in NIFI is to have the attribute name follow a pattern, that can be read as a prefix, such as :

plc4x.address.

Then the processor looks for any attributes that start with that, and get the end of the address to use as the field name.

As is I would not think this processor would work in production.

Example of this pattern in NIFI: 
https://github.com/apache/nifi/blob/7d20c03f89358a5d5c6db63e631013e1c4be4bc4/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/InvokeHTTP.java#L132





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