[jboss-user] [JBoss jBPM] - Implementing data flow
do-not-reply at jboss.com
Thu Feb 15 14:27:00 EST 2007
Has anyone attempted to implement a data flow representation of the process graph using jBPM? In data flow, nodes would have inputs and outputs of different types. Output ports of nodes could be hooked together with compatible input ports of other nodes. Then, object instances could be "passed" from node to node throughout the graph. For example, let's say you created a database connection in the first node of a graph and another node later in the graph also takes a database connection as an input. Using dataflow, the first node could declare an output that could be hooked to the input of the node later in the graph.
I would think process variables could be used to implement this, but input and output constructs would need to be added to the jpdl. And, the workflow engine would have to do a little work passing the data around and type checking.
Any other thoughts? Has anyone tried to do this?
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