From:
cross-project-issues-dev-bounces@xxxxxxxxxxx
[mailto:cross-project-issues-dev-bounces@xxxxxxxxxxx] On Behalf Of Jeff McAffer
Sent: Friday, October 06, 2006
3:46 AM
To: Cross
project issues
Subject: Re:
[cross-project-issues-dev] Java 1.5
<crank up the broken record player...>
Project
teams should consider very (very) carefully the implications of increasing the
level of their required execution environments. In particular, consider
what (dis)service you are doing for your consumers. In what way will
their lives or functionality be improved by the move? "Needlessly"
upping the required EE limits the scenarios in which your function can be used.
That may in turn limit its uptake and spread.
If
you find that upping the EE level makes sense, it would be good to then
consider method and techniques for provising degraded function on lower EEs. For
example, (and just as an example) you might introduce a 1.5 layer over the
1.4-based APIs or change the implementation to conditionally use 1.5
functionality.
Note
also that careful consideration should be paid to API evolution issues. If
you create API that uses 1.5 language features, you should familiarize yourself
with the implications and gotchas associated with these structures. I
don't remember the details but do recall that there were some subtleties around
generics that, unless handled well, could severly limit you in the future (or
break your users).
Finally,
also consider that it may be possible to limit the scope of this impact to a
particular set fo (hopefully higher level) plugins. As John pointed out
in one of the replies, the platform team is successfully targettting a wide
ranges of EEs from Foundation 1.0 to Java6 in its plugin set. PDE has
first class support for this approach so confusion and error should be
virtually elimintaed.
All
of this is not to say that you should not use 1.5 etc but rather consider
including in your plans the goal of limiting dependencies as much as possible.
</spin
down and I'll fade away...>
Jeff
Doug Schaefer
<DSchaefer@xxxxxxx>
Sent
by: cross-project-issues-dev-bounces@xxxxxxxxxxx
10/05/2006 04:13 PM
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[cross-project-issues-dev] Java 1.5
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Hey gang, I’m just wondering if any of the projects participating
in Europa are planning on dropping support for Java 1.4, i.e. are planning on
using Java 1.5 features.
Doug
Schaefer
QNX Software Systems
Eclipse CDT Project Lead
http://cdtdoug.blogspot.com
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