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https://issues.apache.org/jira/browse/MATH-742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13205607#comment-13205607
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Neil Roeth commented on MATH-742:
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Gilles,
{quote}The issue (and my question) is: Is this field needed in the
serialization?{quote}
Yes.
{quote}If it is needed, then again, is "Serializable" the correct way?{quote}
As you said, "[Serializable] was meant to ease some of the plumbing needed for
distributed applications", so since my application is distributed and needs
this plumbing, the answer is again yes.
I raised this issue to add Serializable to this one particular class; if you
want to discuss globally adding Serializable to every class, that's a different
issue. Could you please open a new issue to discuss that topic? Thanks.
> Please make PolynomialSplineFunction Serializable
> -------------------------------------------------
>
> Key: MATH-742
> URL: https://issues.apache.org/jira/browse/MATH-742
> Project: Commons Math
> Issue Type: Improvement
> Affects Versions: 2.2
> Reporter: Neil Roeth
> Priority: Minor
> Attachments: PolynomialSplineFunction.java
>
>
> PolynomialSplineFunction is not Serializable, while the very similar
> PolynomialFunction class in the same package is. All that needs to be done is
> to add the import:
> {{import java.io.Serializable;}}
> and change this:
> {{public class PolynomialSplineFunction implements
> DifferentiableUnivariateRealFunction}}
> to this:
> {{public class PolynomialSplineFunction implements
> DifferentiableUnivariateRealFunction, Serializable}}
> I made exactly that modification to a local copy and it serialized
> successfully. Before the change, I got serialization errors.
> Thanks.
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