[jbpm-issues] [JBoss JIRA] Commented: (JBPM-2166) add extensibility to jpdl schema

[Ronald van Kuijk (JIRA)]

    [ https://jira.jboss.org/jira/browse/JBPM-2166?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12509110#action_12509110 ] 

Ronald van Kuijk commented on JBPM-2166:
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Gregg,

In my humble opinion this makes things to complicated. On the one hand you say the nodeset (which includes implementation aka behaviour) is sufficient but you want it extensible. jPDL itself is extensible in a different way. See the jbpm.jpdl.bindings.xml file in the source.  Implementing new activities (and overriding) existing ones is possible that way. Using additional behaviours (in a way like interceptors?) like you propose is  imo not needed, also because it still is the intention to have the task behaviour be a 'mini process' in itself (see jbpm.task.lifecycle.xml in the pvm module source). So instead I would enhance the task behaviour etc with things that are valid usecases. That way *anyone* can benefit....

This specific issue is therefore not specifically meant to make the workflow, but to add properties etc to e.g. a task (like avg-duration etc) that you can use when accessing the task via the api (like task.getProperty('avg-duration') and other things. But I admit that this is partly my personal interpretation.

> add extensibility to jpdl schema
> --------------------------------
>
>                 Key: JBPM-2166
>                 URL: https://jira.jboss.org/jira/browse/JBPM-2166
>             Project: jBPM
>          Issue Type: Task
>      Security Level: Public(Everyone can see) 
>            Reporter: Tom Baeyens
>            Assignee: Tom Baeyens
>            Priority: Optional
>             Fix For: jBPM 4.x
>
>         Attachments: jpd-example.jpdl.xml
>
>
> Add activity pluggability.  (add the proper any's and anyAttributes)

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