Add serialUID to serializeable classes.

[bstopp]

Description

Model classes which implement the serializable interface through inheritance don't have a serialVersionUID.

This is needed to correctly serialize the objects.

Related Issue

Solves #24

Motivation and Context

How Has This Been Tested?

No tests needed.

Types of changes

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [x] I have signed the Adobe Open Source CLA.
• [x] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [x] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [x] All new and existing tests passed.

[codecov[bot]]

Codecov Report

Merging #28 (df3ed5b) into main (6afeb26) will not change coverage. The diff coverage is n/a.

@@            Coverage Diff            @@
##               main      #28   +/-   ##
=========================================
  Coverage     88.92%   88.92%           
  Complexity      166      166           
=========================================
  Files            14       14           
  Lines           551      551           
  Branches         48       48           
=========================================
  Hits            490      490           
  Misses           43       43           
  Partials         18       18           

Flag	Coverage Δ	Complexity Δ
unittests	88.92% <ø> (ø)	0.00 <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ	Complexity Δ
...a/io/adobe/cloudmanager/model/EmbeddedProgram.java	100.00% <ø> (ø)	3.00 <0.00> (ø)
.../java/io/adobe/cloudmanager/model/Environment.java	84.61% <ø> (ø)	6.00 <0.00> (ø)
...va/io/adobe/cloudmanager/model/EnvironmentLog.java	100.00% <ø> (ø)	1.00 <0.00> (ø)
...ain/java/io/adobe/cloudmanager/model/Pipeline.java	100.00% <ø> (ø)	7.00 <0.00> (ø)
...io/adobe/cloudmanager/model/PipelineExecution.java	87.50% <ø> (ø)	17.00 <0.00> (ø)
...cloudmanager/model/PipelineExecutionStepState.java	100.00% <ø> (ø)	3.00 <0.00> (ø)
...ain/java/io/adobe/cloudmanager/model/Variable.java	100.00% <ø> (ø)	2.00 <0.00> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update 6afeb26...df3ed5b. Read the comment docs.