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Posted to commits@kie.apache.org by "elguardian (via GitHub)" <gi...@apache.org> on 2024/05/23 07:25:05 UTC
[I] EPIC - ReturnValueEvaluator [incubator-kie-issues]
elguardian opened a new issue, #1256:
URL: https://github.com/apache/incubator-kie-issues/issues/1256
ReturnValueEvaluator in every place an expression that produces and outcome is required.
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Re: [I] EPIC - ReturnValueEvaluator [incubator-kie-issues]
Posted by "elguardian (via GitHub)" <gi...@apache.org>.
elguardian commented on issue #1256:
URL: https://github.com/apache/incubator-kie-issues/issues/1256#issuecomment-2227855528
@tiagobento This cannot be done in one go. (well it is feasible but the reviewer will go crazy)
At present in every place the expression that produces some sort of value is done by different pieces of code.
1. This is not good for sustainbility and it is pretty error prone as any change in this part requires to change the logic everywhere. This lead to a situation where some of this expression are producing different outcomes depending where you execute.
2. This does not allow for writing how expressions work as you need to go one by one in every place how they work or how variables work.
3. we cannot consolidate FEEL instead of MVEL as expression language (which is far better)
Examples of this expression could be assignments, node input/output, conditions (nodes or boundary events), split/join node completion conditions. activation conditions, loops (multiinstandce) and so forth.
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