Do not instrument CGLIB proxies

[bsideup]

Since they are generated, they barely have any useful info,
and the debug info is usually missing anyways.

Also see spring-projects/spring-hateoas#1144

[bsideup]

/cc @odrotbohm

[simonbasle]

is that on purpose? shouldn't it be if (myMono != null) to be consistent?

[bsideup]

it is (see the comment)

[simonbasle]

the comment doesn't help me understand why there's a NPE triggered here

[bsideup]

This is a dead code that will never get executed

But, since the operators are immutable, I removed the condition and it does not affect the test

[simonbasle]

yeah I know it won't get executed, but since the npe is blatant it becomes a distraction and kind of forces the reader to wonder if the NPE is relevant in the test or not.

But, since the operators are immutable, I removed the condition and it does not affect the test

👍

[codecov-io]

Codecov Report

Merging #1983 into master will increase coverage by 0.36%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #1983      +/-   ##
============================================
+ Coverage     81.73%   82.09%   +0.36%     
- Complexity     4012     4330     +318     
============================================
  Files           375      375              
  Lines         30915    31671     +756     
  Branches       5808     5930     +122     
============================================
+ Hits          25267    26001     +734     
- Misses         4052     4064      +12     
- Partials       1596     1606      +10

Impacted Files	Coverage Δ	Complexity Δ
...ain/java/reactor/core/scheduler/SchedulerTask.java	73.21% <0%> (-3.58%)	16% <0%> (-1%)
...va/reactor/core/publisher/ParallelMergeReduce.java	69.67% <0%> (-1.64%)	3% <0%> (ø)
...r-core/src/main/java/reactor/core/Disposables.java	88.95% <0%> (-1.23%)	21% <0%> (ø)
.../main/java/reactor/core/publisher/MonoCollect.java	82.71% <0%> (-1.22%)	4% <0%> (+2%)
...va/reactor/core/publisher/MonoStreamCollector.java	80.64% <0%> (-1.18%)	4% <0%> (+2%)
.../main/java/reactor/core/publisher/FluxFlatMap.java	95.14% <0%> (+0.18%)	19% <0%> (ø)	⬇️
...ore/src/main/java/reactor/core/publisher/Flux.java	97.78% <0%> (+0.19%)	840% <0%> (+314%)	⬆️
...c/main/java/reactor/core/publisher/FluxReplay.java	84.29% <0%> (+0.3%)	28% <0%> (+1%)	⬆️
...in/java/reactor/core/publisher/FluxWindowWhen.java	86.05% <0%> (+0.48%)	2% <0%> (ø)	⬇️
...eactor/core/publisher/ParallelMergeSequential.java	85.49% <0%> (+0.51%)	7% <0%> (ø)	⬇️
... and 3 more

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