fix: checkstyle && add suppressions.xml

[liuxiaocs7]

continute this pr: #385

after excludes some questions, it works fine:

PS D:\Development\Code\HugeGraph\incubator-hugegraph-toolchain> mvn checkstyle:check
[INFO] Scanning for projects...
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Build Order:                                                    
[INFO]                                                                         
[INFO] hugegraph-toolchain                                                [pom]
[INFO] hugegraph-client                                                   [jar]
[INFO] hugegraph-loader                                                   [jar]
[INFO] hugegraph-tools                                                    [jar]
[INFO] hugegraph-hubble                                                   [pom]
[INFO] hubble-be                                                          [jar]
[INFO] hubble-dist                                                        [jar]
[INFO] hugegraph-dist                                                     [jar]
[INFO]                                                                         
[INFO] --------------< org.apache.hugegraph:hugegraph-toolchain >--------------
[INFO] Building hugegraph-toolchain 1.0.0                                 [1/8]
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- maven-checkstyle-plugin:3.1.2:check (default-cli) @ hugegraph-toolchain ---
[INFO] ?始检查???
?查完成??
[INFO] You have 0 Checkstyle violations.
[INFO]
[INFO] ---------------< org.apache.hugegraph:hugegraph-client >----------------
[INFO] Building hugegraph-client 1.0.0                                    [2/8]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-checkstyle-plugin:3.1.2:check (default-cli) @ hugegraph-client ---
[INFO] ?始检查???
?查完成??
[INFO] You have 0 Checkstyle violations.
[INFO]
[INFO] ---------------< org.apache.hugegraph:hugegraph-loader >----------------
[INFO] Building hugegraph-loader 1.0.0                                    [3/8]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-checkstyle-plugin:3.1.2:check (default-cli) @ hugegraph-loader ---
[INFO] ?始检查???
?查完成??
[INFO] You have 0 Checkstyle violations.
[INFO]
[INFO] ----------------< org.apache.hugegraph:hugegraph-tools >----------------
[INFO] Building hugegraph-tools 1.0.0                                     [4/8]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-checkstyle-plugin:3.1.2:check (default-cli) @ hugegraph-tools ---
[INFO] ?始检查???
?查完成??
[INFO] You have 0 Checkstyle violations.
[INFO]
[INFO] ---------------< org.apache.hugegraph:hugegraph-hubble >----------------
[INFO] Building hugegraph-hubble 1.0.0                                    [5/8]
[INFO] --------------------------------[ pom ]---------------------------------
[INFO]
[INFO] --- maven-checkstyle-plugin:3.1.2:check (default-cli) @ hugegraph-hubble ---
[INFO] ?始检查???
?查完成??
[INFO] You have 0 Checkstyle violations.
[INFO]
[INFO] -------------------< org.apache.hugegraph:hubble-be >-------------------
[INFO] Building hubble-be 1.0.0                                           [6/8]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-checkstyle-plugin:3.1.2:check (default-cli) @ hubble-be ---
[INFO] ?始检查???
?查完成??
[INFO] You have 0 Checkstyle violations.
[INFO]
[INFO] ------------------< org.apache.hugegraph:hubble-dist >------------------
[INFO] Building hubble-dist 1.0.0                                         [7/8]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-checkstyle-plugin:3.1.2:check (default-cli) @ hubble-dist ---
[INFO] ?始检查???
?查完成??
[INFO] You have 0 Checkstyle violations.
[INFO]
[INFO] ----------------< org.apache.hugegraph:hugegraph-dist >-----------------
[INFO] Building hugegraph-dist 1.0.0                                      [8/8]
[INFO] --------------------------------[ jar ]---------------------------------
[INFO]
[INFO] --- maven-checkstyle-plugin:3.1.2:check (default-cli) @ hugegraph-dist ---
[INFO] ?始检查???
?查完成??
[INFO] You have 0 Checkstyle violations.
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary for hugegraph-toolchain 1.0.0:
[INFO]
[INFO] hugegraph-toolchain ................................ SUCCESS [  0.910 s]
[INFO] hugegraph-client ................................... SUCCESS [  0.080 s]
[INFO] hugegraph-loader ................................... SUCCESS [  0.081 s]
[INFO] hugegraph-tools .................................... SUCCESS [  0.047 s]
[INFO] hugegraph-hubble ................................... SUCCESS [  0.046 s]
[INFO] hubble-be .......................................... SUCCESS [  0.065 s]
[INFO] hubble-dist ........................................ SUCCESS [  0.039 s]
[INFO] hugegraph-dist ..................................... SUCCESS [  0.038 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time:  1.607 s
[INFO] Finished at: 2023-08-01T17:21:50+08:00
[INFO] ------------------------------------------------------------------------

[codecov]

Codecov Report

Merging #500 (bd70fe3) into master (549ca82) will decrease coverage by 0.01%.
The diff coverage is 19.35%.

@@             Coverage Diff              @@
##             master     #500      +/-   ##
============================================
- Coverage     62.48%   62.48%   -0.01%     
  Complexity     1868     1868              
============================================
  Files           260      260              
  Lines          9432     9434       +2     
  Branches        875      875              
============================================
+ Hits           5894     5895       +1     
- Misses         3154     3155       +1     
  Partials        384      384              

Files Changed	Coverage Δ
.../hugegraph/api/traverser/JaccardSimilarityAPI.java	100.00% <ø> (ø)
...hugegraph/exception/InvalidOperationException.java	50.00% <ø> (ø)
...e/hugegraph/serializer/direct/HBaseSerializer.java	0.00% <0.00%> (ø)
...e/hugegraph/serializer/direct/reuse/BytesDemo.java	0.00% <0.00%> (ø)
.../hugegraph/serializer/direct/util/IdGenerator.java	0.00% <ø> (ø)
...ph/serializer/direct/util/SplicingIdGenerator.java	0.00% <ø> (ø)
.../hugegraph/loader/flink/HugeGraphOutputFormat.java	0.00% <0.00%> (ø)
.../hugegraph/loader/reader/file/LocalFileReader.java	81.81% <ø> (ø)
...e/hugegraph/loader/spark/HugeGraphSparkLoader.java	0.00% <0.00%> (ø)
...rg/apache/hugegraph/exception/ServerException.java	68.18% <50.00%> (-0.87%)	⬇️
... and 1 more

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[imbajin]

could also try to clean code? (with IDEA inner plugins)

[github-actions]

Due to the lack of activity, the current pr is marked as stale and will be closed after 180 days, any update will remove the stale label

[imbajin]

merge it first, address other style later