Add example plugins for mapping transformer and system ingest processor.

[bzhangam]

Description

Add example plugins for mapping transformer and system ingest processor.

Since this change is for example plugins we don't add it to the change log.

Related Issues

Provide example plugins and integration tests for the mapping transformer and system ingest processor.

Check List

• Functionality includes testing.
• API changes companion pull request created, if applicable.
• Public documentation issue/PR created, if applicable.

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
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[github-actions]

❌ Gradle check result for 60783f8: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❕ Gradle check result for d6cd5d8: UNSTABLE

Please review all flaky tests that succeeded after retry and create an issue if one does not already exist to track the flaky failure.

[codecov]

Codecov Report

Attention: Patch coverage is 80.64516% with 12 lines in your changes missing coverage. Please review.

Project coverage is 72.65%. Comparing base (d52cefa) to head (485e572).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
...processor/ExampleSystemIngestProcessorFactory.java	77.41%	2 Missing and 5 partials ⚠️
.../mappingtransformer/ExampleMappingTransformer.java	80.00%	0 Missing and 3 partials ⚠️
...mingestprocessor/ExampleSystemIngestProcessor.java	83.33%	2 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main   #18300      +/-   ##
============================================
- Coverage     72.74%   72.65%   -0.09%     
+ Complexity    67767    67736      -31     
============================================
  Files          5497     5504       +7     
  Lines        311815   311926     +111     
  Branches      45261    45286      +25     
============================================
- Hits         226822   226631     -191     
- Misses        66504    66776     +272     
- Partials      18489    18519      +30     

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[github-actions]

❌ Gradle check result for 72d38bf: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

❌ Gradle check result for 72d38bf: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

✅ Gradle check result for 44bc5de: SUCCESS

[github-actions]

✅ Gradle check result for deb67c1: SUCCESS

[saratvemulapalli]

Thank you for taking care of this.
Dropped a minor comment, you could follow up with a different PR.
Also could you take care of the code coverage ? The patch threshold did not get through.

[github-actions]

❌ Gradle check result for 485e572: FAILURE

Please examine the workflow log, locate, and copy-paste the failure(s) below, then iterate to green. Is the failure a flaky test unrelated to your change?

[github-actions]

✅ Gradle check result for 485e572: SUCCESS