Dawid, Like I said, I'm not sure we're disagreeing. My focal goal is primitive collections, and I'm prepared to take my lumps with compatibility. Sun has made such a mess of the collections API that we seem forced to choose.
--benson On Tue, Jan 12, 2010 at 9:28 AM, Dawid Weiss <dawid.we...@gmail.com> wrote: > Thanks for the clarification and understanding of my motives, Benson. > > I know Trove and I know other libraries of this type -- PCJ has been > our favorite so far, but it's LGPL and our persistent attempts to ask > Soren Bak to distribute that code under a different license have > failed. > > Adapters are a way to work around the compatibility problems (they are > used in PCJ, for example), but they're in many ways defeat the purpose > of having a collections library based on primitives. Other than lower > memory consumption in the static case, you gain very little > (autoboxing will kill performance). > > Let me do this. I'll send you a ZIP file with the code as it is right > now in our repository. Take a look at what we've done and compare it > to your efforts (especially in terms of templates-code generation I > think you'll find it interesting). I should be done with the > implementation of Deque today or tomorrow and then, knowing what other > people think, we can decide how to move forward. > > Dawid > > On Tue, Jan 12, 2010 at 1:34 PM, Benson Margulies <bimargul...@gmail.com> > wrote: >> Dawid, >> >> I find that I didn't quite answer all of your questions, and then >> again maybe I'm not in a position to. >> >> I started this by looking for some way to get the functionality of >> Trove without the GPL. When I discovered that Mahout had already >> absorbed Colt, I decided that the shortest path was to start from >> there. >> >> I looked into planting this in commons-collections, but it was not so >> easy. Colt collections depend on some scalar math code (random >> numbers, etc). The commons-math people have a very high bar for >> contributions, and the process of factoring out the math substrate, >> comparing it to commons math, identifying the delta, contributing it >> to math, etc, etc, was beyond my personal resources. >> >> If you've got a foundation member at hand, collections will make you a >> sandbox to facilitate the contribution. Much as I'm enjoying myself at >> this, I certainly won't be offended if Mahout throws it all out in >> favor of what you've got there. >> >> One issue for Mahout is that it is using some above-collections >> functionality from Colt that will take very careful modification to >> use your (or any other) alternative. >> >> --benson >> >
