Graph Builder Refactoring

[c71n93]

Closes #119

Also:

• Adds not working test with vertical dot notation, that need to be resolved (Fix XSL transformations #116)
• Improves algorithm of graph building

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PR-Codex overview

This PR focuses on improving the code readability and adding dependencies.

Detailed summary

• Updated the Graph class to clarify the type of objects it contains.
• Added the commons-lang3 dependency to the project.
• Added a new test case for the DdrWorkflowTest class.
• Refactored the IGraphNode class to use a different method for retrieving the name property.
• Refactored the AttributesSetter class to use new utility methods for retrieving attribute content.
• Updated the BasicDecoratorsResolver class to use new utility methods for retrieving attribute content.
• Added new utility methods for attribute retrieval in various classes.
• Updated the InnerPropagator class to use the new utility methods for attribute retrieval.
• Updated the CondAttributesSetter class to use the new utility methods for attribute retrieval.

The following files were skipped due to too many changes: src/main/kotlin/org/objectionary/ddr/graph/CondAttributesSetter.kt, src/main/kotlin/org/objectionary/ddr/transform/Resolver.kt, src/test/resources/integration/in/basic_cycle/basic_cycle.xmir, src/main/kotlin/org/objectionary/ddr/transform/impl/CondNodesResolver.kt, src/test/resources/integration/out/basic_cycle/basic_cycle.xmir, src/main/kotlin/org/objectionary/ddr/graph/AttributesUtil.kt, src/main/kotlin/org/objectionary/ddr/graph/GraphBuilder.kt

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[c71n93]

@Graur could you review please?

[Graur]

@c71n93 Github check failed. Is it ok? Or you need some extra time to fix it?

[c71n93]

@Graur The problem appears only in CI, locally it's Okay. I will try to fix it.

[Graur]

@c71n93 Seems like this is the reason:

Warning:  Used undeclared dependencies found:
	org.apache.commons:commons-lang3:jar:3.12.0:compile

[c71n93]

@Graur Thank you! I will fix it!

[Graur]

@c71n93 Ok. The rest of the code is look good to me. If you fix this problem I can approve your changes.

[c71n93]

@Graur fixed

[Graur]

@c71n93 It is better now, thanks!

[c71n93]

@yegor256 please take a look

[yegor256]

@rultor merge

[rultor]

@rultor merge

@yegor256 OK, I'll try to merge now. You can check the progress of the merge here

[rultor]

@rultor merge

@yegor256 Done! FYI, the full log is here (took me 12min)