Closes #1407 - Insert events into preloaded logs

[Henning-Schulz]

Artificially added log events will look like follows.

2022-04-29 10:47:42,709 INFO 33860 --- [inspectIT] [pectit-thread-1] ### LOG-INVALIDATING EVENT ### : Property sources reload! Some previous log messages may now be outdated.

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This change is 

[codecov]

Codecov Report

Merging #1411 (68dd0f9) into master (3bff0ca) will increase coverage by 0.03%.
The diff coverage is 87.50%.

@@             Coverage Diff              @@
##             master    #1411      +/-   ##
============================================
+ Coverage     81.20%   81.23%   +0.03%     
- Complexity     2109     2110       +1     
============================================
  Files           215      215              
  Lines          6691     6706      +15     
  Branches        785      786       +1     
============================================
+ Hits           5433     5447      +14     
  Misses          955      955              
- Partials        303      304       +1     

Impacted Files	Coverage Δ
...ectit/ocelot/core/selfmonitoring/LogPreloader.java	80.36% <87.50%> (+2.31%)	⬆️
...nspectit/ocelot/core/utils/HighPrecisionTimer.java	90.62% <0.00%> (+1.56%)	⬆️

[Henning-Schulz]

Now without beginner's mistakes 😄

[MariusBrill]

Reviewed all commit messages.
Reviewable status: 0 of 2 files reviewed, 1 unresolved discussion (waiting on @Henning-Schulz and @MariusBrill)

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inspectit-ocelot-core/src/main/java/rocks/inspectit/ocelot/core/selfmonitoring/LogPreloader.java line 65 at r1 (raw file):

        if (invalidator != null) {
            String invalidationString = invalidator.getClass().getSimpleName();
            if (invalidationString.endsWith("Event")) {

I am not quite sure why we need this. Maybe we could have a short call about it?

[Henning-Schulz]

Reviewable status: 0 of 2 files reviewed, 1 unresolved discussion (waiting on @MariusBrill)

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inspectit-ocelot-core/src/main/java/rocks/inspectit/ocelot/core/selfmonitoring/LogPreloader.java line 65 at r1 (raw file):

Previously, MariusBrill (Marius Brill) wrote…

I am not quite sure why we need this. Maybe we could have a short call about it?

It is for formatting the log message. I added a comment and changed the code a little to make it better understandable.

[MariusBrill]

Reviewed 1 of 2 files at r1, 1 of 1 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @Henning-Schulz)