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Custom Diagram Generator

pgadecki

I have created my own diagram generator by extending:
- org.activiti.engine.impl.bpmn.diagram.ProcessDiagramGenerator
- org.activiti.engine.impl.bpmn.diagram.ProcessDiagramCanvas
I will be used for proper drawing customized service tasks.
Is there any way to use it instead default implementation for process definition diagram generation during deployment of a process definition?

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Comments

trademak

I don't think it's pluggable at the moment.
So the only way to do this right now is to change the Activiti Explorer code.

Best regards,

pgadecki

I suppose that the only workaround for now is to extend ProcessDiagramGenerator and ProcessDiagramCanvas classes and use them during process deploy. Default ProcessDiagramGenerator is used in org.activiti.engine.impl.bpmn.deployer.BpmnDeployer only if there were no picture resources provided within deployment entity so if we add our own diagram it wouldn't be overriden by default one.

pgadecki

To make process diagram generation pluggable you could create some interface/abstract class for ProcessDiagramGenerator and put a reference to it in ProcessEngineConfiguration. This should be easy, because the only reference to ProcessDiagramGenerator class is in the BPMNDeployer.deploy() (in activiti-engine)

What do you think about such idea?

trademak

Hi,

Yes that sounds like a valid approach. Could you prepare a patch for this?

Best regards,