feat: Cache hooks per Flag Evaluation Type

[chrfwow]

Hooks are now stored in a map to allow efficient lookup of hooks supporting certain FlagValueTypes. This and other changes makes merging the hooks cheaper.

Related Issues

Part of #1718

Follow Up Tasks

Implement efficient Hook Storage in all providers (optional, but will speed things up)

[chrfwow]

• [ ] Make sure the additions of default methods to interfaces is not a byte code incompatibility

[codecov[bot]]

Codecov Report

:x: Patch coverage is 94.20290% with 4 lines in your changes missing coverage. Please review. :white_check_mark: Project coverage is 93.36%. Comparing base (bd70a3a) to head (59530f5). :warning: Report is 14 commits behind head on main.

Files with missing lines	Patch %	Lines
src/main/java/dev/openfeature/sdk/HookSupport.java	91.66%	0 Missing and 3 partials :warning:
...ava/dev/openfeature/sdk/FlagEvaluationOptions.java	87.50%	0 Missing and 1 partial :warning:

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1734      +/-   ##
============================================
+ Coverage     92.47%   93.36%   +0.88%     
- Complexity      527      546      +19     
============================================
  Files            52       53       +1     
  Lines          1276     1326      +50     
  Branches        112      125      +13     
============================================
+ Hits           1180     1238      +58     
+ Misses           60       50      -10     
- Partials         36       38       +2     

Flag	Coverage Δ
unittests	93.36% <94.20%> (+0.88%)	:arrow_up:

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[chrfwow]

Benchmark results: (I ran AllocationBenchmark#main with the IntelliJ Profiler. This is not a proper JMH benchmark, so the values are not representative per evaluation, but should be helpful to compare both versions)

Baseline: Duration: 5267 ms Allocations: 16.834 GB Flamegraph of allocations:

This PR: Duration: 5023 ms (this is an insignificant change, the deviations on those tests are quite large) Allocations: 14.224 GB Flamegraph of allocations:

[sonarqubecloud[bot]]

Quality Gate passed

Issues
23 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud