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https://issues.apache.org/jira/browse/LANG-863?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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J. Taylor Mayfield updated LANG-863:
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Attachment: LANG-863.patch
I've updated the attached patch with the "minor nits" and included the
suggested improvements. The distance method now returns -1 if the classes are
invalid (null) or disjointed and 0 only if they are equivalent. Are there any
other improvements you would suggest related to this method?
> Method returns number of inheritance hops between parent and subclass
> ---------------------------------------------------------------------
>
> Key: LANG-863
> URL: https://issues.apache.org/jira/browse/LANG-863
> Project: Commons Lang
> Issue Type: New Feature
> Components: lang.reflect.*
> Reporter: Daneel S. Yaitskov
> Fix For: Patch Needed
>
> Attachments: LANG-863.patch, LANG-863.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> For example.
> class A {
> }
> class B extends A {
> }
> class C extends B {
> }
> int d;
> d = InheritanceUtils.distance(A.class, A.class);
> Assert.assertEquals(0, d);
> d = InheritanceUtils.distance(B.class, A.class);
> Assert.assertEquals(1, d);
> d = InheritanceUtils.distance(C.class, A.class);
> Assert.assertEquals(2, d);
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