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https://issues.apache.org/jira/browse/GEOMETRY-3?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16534389#comment-16534389
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Matt Juntunen commented on GEOMETRY-3:
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[~erans]?
> Make Points and Vectors VALJOs
> ------------------------------
>
> Key: GEOMETRY-3
> URL: https://issues.apache.org/jira/browse/GEOMETRY-3
> Project: Apache Commons Geometry
> Issue Type: Improvement
> Reporter: Matt Juntunen
> Assignee: Matt Juntunen
> Priority: Minor
>
> Ensure that all Point and Vector classes meet the requirements for being
> VALJOs as described here:
> [http://blog.joda.org/2014/03/valjos-value-java-objects.html]. Some of this
> work has already been done as part of GEOMETRY-2. The classes to update are:
> * o.a.c.geometry.euclidean.oned.Point1D/Vector1D
> * o.a.c.geometry.euclidean.twod.Point2D/Vector2D
> * o.a.c.geometry.euclidean.threed.Point3D/Vector3D
> * o.a.c.geometry.spherical.oned.S1Point
> * o.a.c.geometry.spherical.twod.S2Point
> Required changes include the following:
> * Create static factory methods for creating instances using the "of" naming
> convention.
> * Make constructors private
> * Add parse methods to return instances from "canonical" toString
> representation
> * Update all uses of the class to use the factory methods instead of the
> constructor
>
> Pull request: https://github.com/apache/commons-geometry/pull/4
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