[Yanel-dev] Building/Compiling resources more efficiently

Michael Wechner michael.wechner at wyona.com
Mon Sep 22 09:21:27 CEST 2008


Alec Bickerton schrieb:
> Michael Wechner wrote:
>   
>> Hi
>>
>> Just as a reminder, but also for discussion:
>>
>> One can build/compile a resource without having to trigger to whole
>> build process by using the -f option, for example
>>
>> ./build.sh -f
>> /home/michi/src/wyona/SOME_CUSTOM_PROJECT/res-types/shared/build.xml
>>
>> whereas one needs to configure the yanel.source.version within
>>
>> res-types/shared/src/build/dependencies.xml
>>
>> by setting for example
>>
>> <target name="dependencies" description="Dependencies">
>>    <property name="yanel.source.version" value="1.0-dev-rREVISION"/>
>>
>> this makes developing Java classes much faster.
>>
>> The problem is a bit that one needs to set this property explicitely and
>> shouldn't leave it there, because in case Yanel source should
>> change this version number, then old libs will be used or one will
>> receive a compile error.
>>
>> In order to solve this I thought about introducing an environment
>> variable, for example
>>
>> export YANEL_SOURCE_HOME=/home/michi/src/wyona/public/yanel/trunk
>>
>> which would allow the build process to check what Yanel source version is.
>>
>> WDYT?
>>     
>
> Interesting.
>
> How about having a build.xml in the realms root directory that simply
> creates a jar against the libs in a Barebones Yanel. then copies this
> .jar to the WEB-INF/lib of Yanel.
>   

this is what some realms already have, for example the "Yanel website" realm

YANEL_HOME/src/realms/yanel-website/build.xml

but again the problem is how does this build file know where YANEL_HOME 
is  in order to access its properties etc.

I will create a small prototype within a custom realm/resource and test 
how well this YANEL_HOME env var method works
and report my findings.

Cheers

Michael
> Say realm-[realm-name]-lib.jar for example
>
> That would be a step towards easily loadable realms and would speed up
> development. I personally haven't worked on any Yanel classes as yet,
> I'm still getting familiar with it.
>
> Of course when the .jar changes you need to restart Tomcat. Unless we
> write a classloader, I don't see any way around that.
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>   



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