Phil Steitz a écrit :
On Thu, May 15, 2008 at 1:55 AM, Emmanuel Bourg <[EMAIL PROTECTED]> wrote:
James Carman a écrit :
Would it be better to make it Math 2.0? With a language level change
like that, it should probably be a new major version. You should also
consider putting the stuff in org.apache.commons.math2 packages to
avoid "jar hell" issues.
And if you do so, you'll have to change the Maven identification of the jar.
That's the right time to release Commons Math as
org.apache.commons:commons-math instead of commons-math:commons-math.
Both good points. Lets get the maven namespace fixed in 2.0. Thanks
in advance for help making sure we don't screw that up.
Regarding package renaming, there are very few backward incompatible
changes lined up for 2.0, and all of the proposed 1.5-dependent stuff
is new, so I am hesistant to do a wholesale change. What would be the
problem with renaming only packages that contain classes with
incompatible changes?
I see three problems with a mixed approach like this.
- it is inconsistent and therefore difficult to understand to end-users
- it prevents using simple search/replace to switch from 1.x to 2.x
- it doesn't help when the two jars are in classpath and a class
with no incompatible change (i.e still in a .math.something
package) calls a class with an incompatible change
I'm also quite reluctant to packages names change, but it is only a
personal taste and therefore not important. I agree this is the safer
solution as it handles things properly.
Here is my proposal, summarizing what has been discussed so far in this
thread and adding my own bias:
- commons-math 2.0 will target Java 1.5 as the minimal version
- the maven groupId will be changed from commons-math to
org.apache.commons (the artifactID is unchanged)
- all packages will be relocated under org.apache.commons.math2
If nobody complains (mainly about the third point), I am going to
perform these changes in branch 2.0 on Sunday.
Luc
Phil
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