Home » Author Archives: Joram Barrez

Author Archives: Joram Barrez

Joram is an all-around software engineer with a keen interest in anything that is slightly related to software development. After working with Ruby on Rails at the university, he became a java consultant specializing in jBPM which later led him to joining the jBPM project as JBoss employee. He left JBoss for starting the Activiti project together with Tom Baeyens (also ex-JBoss) at Alfresco .Besides Activiti, he is also heavily involved with iOS development and the workflow features for the Alfresco Mobile app.

My Five Rules for Remote Working

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A couple of weeks ago, there was a stir (again) about remote working and its succes and/or failure: it was reported that Reddit, the website where many people lose countless of hours, were forcing all their employees to move to SF. After a similar thing happened at Yahoo last year it made me think about why remote work is such a huge success for us ...

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Execute Custom queries in Activiti

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(This will probably end up in the user guide of the Activiti 5.15 release, but I wanted to share it already) The Activiti API allows for interacting with the database using a high level API. For example, for retrieving data the Query API and the Native Query API are powerful in its usage. However, for some use cases they might ...

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Advanced scripting in Activiti: Custom Configuration Injection

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The scripting task is probably one of the ‘oldest’ classes in the Activiti code base, but I think it is still underused by many. The (perceived?) downsides are of course performance (interpretation vs compilation) and less support from IDE perspective. However, the benefits (imo) outweigh this: Scripts are defined in the process xml itself. No more worries about versioning and ...

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The Activiti Performance Showdown

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The question everybody always asks when they learn about Activiti, is as old as software development itself: “How does it perform?”. Up till now, when you would ask me that same question, I would tell you about how Activiti minimizes database access in every way possible, how we break down the process structure into an ‘execution tree’ which allows for ...

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Devoxx 2011 Impressions

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Devoxx 2011 is over, and it was awesome. Finally, after having to spend the weekend with wife and kid (haven’t seen much of me the last week), I’ve found the time to write down some stuff. It was for me the sixth Devoxx, my first one being in 2006 – back when I was still a student and it was ...

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Vaadin add-ons and Maven

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Introduction One (of the many) thing I like about Vaadin, is its community of ‘add-ons’ to the Vaadin framework – what they call the Vaadin Directory. An ‘add-on’ is a community-contributed addition to the framework, and can be anything from for example a new client-side widget to a Lazy loading container for a data table. Something similar I would definitely ...

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