On Sat, 17 Apr 2021 08:55:59 GMT, Tagir F. Valeev <tval...@openjdk.org> wrote:
> I decided to show a complete static method in the example, so it could be > copied to user utility class as is. Not sure if it's reasonable to add > `assert cls.isRecord();` there. Also I don't know whether there's a > limitation on max characters in the sample code. Probable a line break in > `static <T extends Record>\nConstructor<T> getCanonicalConstructor(Class<T> > cls)` is unnecessary. > > --- > Aside from this PR, I've found a couple of things to clean up in > `java.lang.Class`: > 1. There's erroneous JavaDoc link in `getSimpleName()` JavaDoc (introduced by > @jddarcy in #3038). It should be `#isArray()` instead of `isArray()`. > 2. Methods Atomic::casAnnotationType and Atomic::casAnnotationData have > unused type parameters `<T>`. > 3. Probably too much but AnnotationData can be nicely converted to a record! > Not sure, probably nobody wants to have `java.lang.Record` initialized too > early or increasing the footprint of such a basic class in the metaspace, so > I don't insist on this. > > > private record AnnotationData( > Map<Class<? extends Annotation>, Annotation> annotations, > Map<Class<? extends Annotation>, Annotation> declaredAnnotations, > // Value of classRedefinedCount when we created this AnnotationData > instance > int redefinedCount) { > } > > > Please tell me if it's ok to fix 1 and 2 along with this PR. This pull request has now been integrated. Changeset: 3e667cc4 Author: Tagir F. Valeev <tval...@openjdk.org> URL: https://git.openjdk.java.net/jdk/commit/3e667cc40521dfb6d07dda07c2f33e37086ee64b Stats: 24 lines in 2 files changed: 17 ins; 0 del; 7 mod 8265356: need code example for getting canonical constructor of a Record Reviewed-by: smarks ------------- PR: https://git.openjdk.java.net/jdk/pull/3556