Function evaluation

[pieterbos]

Function evaluation in rules evaluation

• Function evaluation framework
• The ability to register custom functions
• implementation of the default min() and max() functions
• implementation of the custom value_when_undefined - to allow for score calculation with not all fields present
• basic tests
• Implementation of mean and sum, now they throw an UnsupportedOperationException when called

[jpleppers]

One possible change to improve readability, otherwise 👍

[jpleppers]

Had to look up the usage to understand this function, maybe rename to checkEqualLength ?

[jpleppers]

😄

[codecov-io]

Codecov Report

Merging #35 into master will increase coverage by 0.47%.
The diff coverage is 71.14%.

@@             Coverage Diff              @@
##             master      #35      +/-   ##
============================================
+ Coverage     62.77%   63.24%   +0.47%     
- Complexity     2273     2315      +42     
============================================
  Files           323      332       +9     
  Lines         12168    12304     +136     
  Branches       1378     1399      +21     
============================================
+ Hits           7638     7782     +144     
+ Misses         3781     3752      -29     
- Partials        749      770      +21

Impacted Files	Coverage Δ	Complexity Δ
...evaluation/evaluators/BinaryOperatorEvaluator.java	60.28% <ø> (-2.28%)	60 <0> (-7)
...nedap/archie/rules/evaluation/AssertionsFixer.java	62.71% <ø> (ø)	22 <0> (ø)	⬇️
...archie/rules/evaluation/FunctionCallException.java	0% <0%> (ø)	0 <0> (?)
...evaluation/evaluators/ModelReferenceEvaluator.java	59.25% <0%> (-4.75%)	5 <0> (ø)
.../nedap/archie/rules/evaluation/RuleEvaluation.java	96.61% <100%> (+0.05%)	14 <0> (ø)	⬇️
...ation/evaluators/functions/ValueWhenUndefined.java	60.86% <60.86%> (ø)	5 <5> (?)
...ie/rules/evaluation/evaluators/functions/Mean.java	66.66% <66.66%> (ø)	2 <2> (?)
...hie/rules/evaluation/evaluators/functions/Sum.java	66.66% <66.66%> (ø)	2 <2> (?)
...chie/rules/evaluation/evaluators/FunctionUtil.java	71.87% <71.87%> (ø)	12 <12> (?)
...hie/rules/evaluation/evaluators/functions/Max.java	72.72% <72.72%> (ø)	6 <6> (?)
... and 15 more

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