[kepler-users] New Kepler Repository

Chad Berkley berkley at nceas.ucsb.edu
Tue Dec 9 09:36:24 PST 2008


Hi Jims,

We're still working on getting the eclipse build working again. 
Hopefully by the end of the day.  I'll send an email out when it's working.

chad

HSU JIMS wrote:
> hi, all
> I built Kepler using Eclipse last month, and I  re-checkout kepler now.
> But the latest trunk seems that didn't use the configuration  on this
> webpage:http://www.kepler-project.org/Wiki.jsp?page=UsingEclipseForKeplerDevelopment
> (like .classpath, Run seeting,...)
> 
> So,anyone can help me how to configuration the new kepler trunk in  Eclipse ?
> 
> Thanks!!
> 
> Jims
> 
> 
>> Hi,
>>
>> The new Kepler repository is now in place.  You can checkout the trunk
>> from https://code.kepler-project.org/code/kepler/trunk.  I want to
>> highlight the changes we've made.  If anyone has any questions or
>> problems, please feel free to respond to the list and we'll get things
>> sorted out as quickly as possible.  This is a huge change for us that we
>> hope will make developing with Kepler much easier in the future.  Please
>> be patient with us as we continue to find and fix bugs in the coming
>> weeks.  Please note that everyone *MUST* re-checkout kepler.  Do not use
>> your old sandbox.  It will not work.
>>
>> Here are the major changes that we've made:
>>
>> 1) Modularization: Kepler is now divided into a series of modules.
>> You'll notice the root src/ directory is now gone.  It is replaced by
>> two modules in the modules/ directory, 'util' and 'core'.  Core contains
>> everything needed to run Kepler in a headless environment. Util contains
>> everything else that used to be in the src/ directory.  You'll notice
>> that within each module, there is a specific directory structure
>> consisting of the src/, module-info/, lib/ and other directories.  Each
>> module can also contain its own build.xml file for local building (see
>> "build system" below).
>>
>> Each module contains it's own source and it's own dependency jars.  Jars
>> that are common to more than one module are in the "common" module.
>> Modules can depend on each other and dependencies are listed in the
>> module-info directory.
>>
>> In the next month or so, the 'util' module will be broken up further
>> into other modules based on functional requirements.  For instance,
>> there will be a 'gui' module to house all of the required source for the
>> gui components of Kepler.  The current structure is a jumping off point
>> for further changes that will make it easier to develop for and extend
>> Kepler in meaningful ways.
>>
>> 2) Build system: There are currently two ways to build Kepler.  If you
>> are (or have been) doing development in the main src tree of kepler
>> (i.e. what is now modules/core/src or modules/util/src), you can use the
>> new ant build.xml file that is found at the root of the trunk.  The
>> build for the core has been simplified so that there are only two
>> commands required to build Kepler and you no longer have to set the PTII
>> or KEPLER environment variables.  See the notes in the top of the build
>> file for instructions on building and running the core.  There is also
>> more information here:
>> https://dev.kepler-project.org/developers/teams/build/systems/build-system/core-build-system-howto
>>
>> The second way to build Kepler with with the extension build system
>> developed by the folks at UC Davis.  If you have been using that build
>> system, David has modified it to work with the new directory structure.
>>  You can check it out from
>> https://code.kepler-project.org/code/kepler/kepler.build
>> Note that the directories in all existing modules have been changed so
>> that they no longer use the Maven standard of main/java inside the src
>> directory.  David can answer any questions about using the extension
>> build system with the new repository structure.
>>
>> 3) Branches/tags renaming and standardization
>> In the old repository, each module had its own branches, tags and trunk
>> directory.  We have now moved those directories to a higher level so
>> that all branches or tags of modules will go in the high level branches
>> or tags directories.  Because we foresee large numbers of branches and
>> tags, we have implemented a standard naming convention that will be
>> used.  The naming convention is as follows:
>>
>> Branches:
>> <description>-['release']-[version]-branch
>> where 'release' and version are optional  and are used only for releases
>> or versioned branches.  In the case of general Kepler releases, the
>> description is optional.
>> Some examples are:
>> kepler-osgi-bunles-branch
>> release-1.0.0-branch
>> scia-release-1.0-branch
>>
>> Tags:
>> <description>-tag-['release' | 'checkpoint']
>> where 'release' or 'checkpoint' denotes what kind of tag this is.  A
>> checkpoint tag is one that can be used by a developer simply to create a
>> checkpoint in the code base in case he or she wishes to return to that
>> state.  The 'release' tag is for releases only and denotes some public
>> release of Kepler.
>> Some examples are:
>> kepler-1.0.0-tag-release
>> leinfelder-20070924-tag-checkpoint
>>
>> All of the superfluous and old tags and branches have been removed for
>> readability.  The ones that remain have been renamed.
>>
>>
>> Future work:
>>
>> -The build systems will eventually be merged into one.
>> -further modularization of the core
>> -build tools for creating skeleton modules and actors
>> -division of actors into functional group modules
>> -further clean up the trunk directory
>>
>>
>> I hope that I haven't neglected anything.  This has been a large effort
>> over the last month or more, so there are bound to be some small
>> problems cropping up.  Please feel free to contact us on kepler-dev if
>> you have any questions or concerns.
>>
>> Thanks,
>> chad
>>
>>
>>
>> ------------------------------
>>
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>>
>> End of Kepler-users Digest, Vol 43, Issue 4
>> *******************************************
>>
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