Refresh valid invokers after connectivity check

[AlbumenJ]

What is the purpose of the change

• Add ReentrantLock to sync all the operation of invokers in Directory

Brief changelog

Verifying this change

Checklist

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[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (caed64b) 70.39% compared to head (219376f) 70.37%.
Report is 11 commits behind head on 3.2.

Additional details and impacted files

@@            Coverage Diff             @@
##              3.2   #13773      +/-   ##
==========================================
- Coverage   70.39%   70.37%   -0.02%     
==========================================
  Files        1606     1607       +1     
  Lines       70022    70062      +40     
  Branches    10102    10099       -3     
==========================================
+ Hits        49294    49309      +15     
- Misses      16104    16124      +20     
- Partials     4624     4629       +5     

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[AlbumenJ]

@CrazyHZM @chickenlj PTAL

[AlbumenJ]

@qinliujie PTAL

[cnwenf]

LGTM

[sonarqubecloud]

Quality Gate passed

Issues
9 New issues

Measures
0 Security Hotspots
79.6% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[qinliujie]

LGTM

[chickenlj]

I noticed there are three separate code snippets in this method that are protected with locks. Would a single method-level lock do the trick?

[AlbumenJ]

To prevent lock isAvailable()