Jason van Zyl created MNG-5661:
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Summary: Make MavenProject instances immutable after initial
construction
Key: MNG-5661
URL: https://jira.codehaus.org/browse/MNG-5661
Project: Maven
Issue Type: New Feature
Reporter: Jason van Zyl
When a MavenProject is initially constructed it is not immutable and requires
subsequent mutation to be complete in different circumstance. This makes the
logic in MavenProject complex and makes MavenProject hard to understand. We
need to move toward being complete and immutable after construction.
This not being the case has a number of consequences two of which are:
1) Components are required in MavenProject in order to lazily construct certain
values. This complicates MavenProject when it simply should be a configuration,
or data. The logic to construct anything should be moved to the ProjectBuilder,
take the small hit in performance, and all construction should happen up-front.
2) The lifecycle needs to be executed in order for a MavenProject instance to
be fully populated with respect to source directories and project resources.
This makes it particularly hard for systems like IDEs to integrate without
resorting to weird tricks to figure out generated source directories without
executing Maven itself.
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