[rules-dev] How to work with Protobuf (.proto) files

[Edson Tirelli]

   Mauricio,

   Just to clarify, the change from the previous approach to this approach
with Protobuf is a low level change that should not affect existing
features... I mean, it changes the binary format, but not the higher level
APIs/use cases.

   Edson

On Wed, Mar 21, 2012 at 1:55 PM, Mauricio Salatino <salaboy at gmail.com>wrote:

> @Kris, we need to look at this as soon as possible to define how jBPM5
> will do the serialization.
> Do you have any idea about this topic? or we need to start thinking how
> are going to work all the different approaches?
> Cheers
>
> On Wed, Mar 21, 2012 at 4:30 PM, Edson Tirelli <ed.tirelli at gmail.com>wrote:
>
>>
>>    All,
>>
>>    As we started using Protobuf, it is important to know how you make
>> changes to .proto files and how to compile them. Easiest way:
>>
>> 1. Download protobuf compiler from:
>> http://code.google.com/p/protobuf/downloads/list
>>
>> 2. Install protobuf-dt eclipse plugin as detailed here:
>> http://code.google.com/p/protobuf-dt/
>>
>> 3. Configure the destination directory to generate the java files as
>> detailed in step 2 here:
>>
>> http://code.google.com/p/protobuf-dt/wiki/IntegrationWithProtoc
>>
>> Set the "Java Output Directory" to: src/main/java
>>
>> 4. VERY IMPORTANT FOR JBPM: jBPM Flow project has a .proto file that
>> extends the data types defined in the .proto file in Drools Core, so you
>> need to configure the protobuf import path as detailed here:
>>
>> http://code.google.com/p/protobuf-dt/wiki/ImportPaths
>>
>> Add the following import paths to the jbpm-flow project:
>>
>> ${your drools-core project in eclipse}/src/main/resources
>> ${your_drools_flow_project}/src/main/resources
>>
>>    After doing that, when you edit and save the .proto files, eclipse
>> will automatically compile and regenerate the java source code for them.
>>
>>    Edson
>>
>>
>> --
>>   Edson Tirelli
>>   JBoss Drools Core Development
>>   JBoss by Red Hat @ www.jboss.com
>>
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>>
>>
>
>
> --
>  - MyJourney @ http://salaboy.wordpress.com
>  - Co-Founder @ http://www.jugargentina.org
>  - Co-Founder @ http://www.jbug.com.ar
>
>  - Salatino "Salaboy" Mauricio -
>
>
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>


-- 
  Edson Tirelli
  JBoss Drools Core Development
  JBoss by Red Hat @ www.jboss.com
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