Agreed. Any one interested in reviewing/committing https://issues.apache.org/jira/browse/HADOOP-11476?
On Thu, Jan 15, 2015 at 11:27 AM, Chris Nauroth <cnaur...@hortonworks.com> wrote: > Would it really be backwards-incompatible if we added new levels later? > That seems counter-intuitive and contrary to this piece of documentation: > > http://docs.oracle.com/javase/specs/jls/se7/html/jls-13.html#jls-13.5.7 > > Quoting: > > Annotation types behave exactly like any other interface. Adding or > removing an element from an annotation type is analogous to adding or > removing a method. There are important considerations governing other > changes to annotation types, but these have no effect on the linkage of > binaries by the Java Virtual Machine. Rather, such changes affect the > behavior of reflective APIs that manipulate annotations. The documentation > of these APIs specifies their behavior when various changes are made to the > underlying annotation types. > > Adding or removing annotations has no effect on the correct linkage of the > binary representations of programs in the Java programming language. > > Certainly removing existing levels would be backwards-incompatible. > > Chris Nauroth > Hortonworks > http://hortonworks.com/ > > > On Thu, Jan 15, 2015 at 6:14 AM, Allen Wittenauer <a...@altiscale.com> > wrote: > > > > > IIRC, it was marked as evolving because it wasn’t clear at the > > time whether we would need to add more stability levels. (One of the key > > inspirations for the stability levels—Sun’s ARC process—had more.) > > > > So I think it’s important to remember that if this gets changed > to > > stable, that effectively means it new levels can’t really get added... > > > > On Jan 13, 2015, at 2:34 PM, Robert Kanter <rkan...@cloudera.com> wrote: > > > > > +1 > > > > > > Though it is kinda funny that the InterfaceStability annotation was > > marked > > > as Evolving :) > > > @InterfaceStability.Evolving > > > public class InterfaceStability {...} > > > > > > > > > On Tue, Jan 13, 2015 at 2:21 PM, Ted Yu <yuzhih...@gmail.com> wrote: > > > > > >> +1 > > >> > > >> On Tue, Jan 13, 2015 at 1:47 PM, Abraham Elmahrek <a...@cloudera.com> > > >> wrote: > > >> > > >>> Hey guys, > > >>> > > >>> I've noticed the InterfaceStability ( > > >>> > > >>> > > >> > > > https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-annotations/src/main/java/org/apache/hadoop/classification/InterfaceStability.java > > >>> ) > > >>> and InterfaceAudience ( > > >>> > > >>> > > >> > > > https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-annotations/src/main/java/org/apache/hadoop/classification/InterfaceAudience.java > > >>> ) > > >>> classes are marked as "Evolving". These really haven't changed much > in > > >> the > > >>> last few years, so I was wondering if it is reasonable to mark them > as > > >>> stable? > > >>> > > >>> -Abe > > >>> > > >> > > > > > > -- > CONFIDENTIALITY NOTICE > NOTICE: This message is intended for the use of the individual or entity to > which it is addressed and may contain information that is confidential, > privileged and exempt from disclosure under applicable law. If the reader > of this message is not the intended recipient, you are hereby notified that > any printing, copying, dissemination, distribution, disclosure or > forwarding of this communication is strictly prohibited. If you have > received this communication in error, please contact the sender immediately > and delete it from your system. Thank You. >
