Updated: 17/4/07; 10:46:51.
James Strachan's Weblog
Ramblings on Open Source, Java, Groovy, XML and other geeky malarkey
        

Friday, September 27, 2002

Another Open Source Java DB. I was reading James' Weblog during lunch I found in this topic a link to new Open Source Java based DB called Axion. What really gets me excited is that the project is run my none other than Geir Magnusson Jr. of Velocity fame. [A cup of joe]

Incidentally there's lots of other groovy Jakarta folks on the Axion project as well (such as Jason, Rod, Morgan, Martin etc.)

Actually I had a great dinner and plenty of wine with Geir last night (thanks Geir!) my head still hurts a little. I think I nealry persuaded Geir to add XPath style predicates to Jexl for doing expressions like this...

${customer.orders[amount > 1000 and location.country='uk'].product.name}


2:13:26 PM    comment []

It turns out to have been pilot error though an easy mistake to make. You must use this 20020604 version of GEF to work wtih EclipseUML, not the recent build of GEF thats the main download on the IBM page linked to by the EclipseUML site.

So EclipseUML does work afterall - and looks quite good from first glance.

Incidentally, quick tip for eclipse users. If you've problems with a plugin, click on the pull down menu Window -> Show Views -> Other... then click 'Error Log and you'll see all the errors.


1:23:03 PM    comment []

EclipseUML. An UML plugin for Eclipse [Java-Channel]

This all looks pretty groovy. It sounds like they've also got an interesting business model - I just hope the free version keeps usable.

NOTE that it doesn't currently work for Eclipse 2.0.1. It appears to depend on com.ibm.etools.gef rather than org.eclipse.gef - so its probably worth waiting for another version. I even hacked the plugin.xml to fix this error and it still doesn't work. So its one to come back to later when it actually works!

 

Though I'd really love an open source Maven plugin that could auto-generate some UML views of the code as part of the build process, which could be customized according to some pattern matching.

Autogenerating full UML models (even on a package basis) are often a bit noisy - I don't wanna see every class, method and attribute in each package - I'd rather filter a few things. So I'd much rather something like...

<diagram name="overview style="class">

  <includeClasses name="Foo, Bar, *Factory">

    <includeMethods name="create*, add*, remove*"/>

  </includeClasses>

</diagram>


9:51:08 AM    comment []

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