Re: [xsl] Petri net to BPEL model transformation > How to find patterns?

["bryan rasmussen" <rasmussen.bryan@xxxxxxxxx>]

just checked the page closer, is old and out of date. I suppose if you
can find the book used somewhere it can be useful or if you can find
Corning's work via google on PNML.

Cheers,
Bryan

On 9/4/06, bryan rasmussen <rasmussen.bryan@xxxxxxxxx> wrote:
> The book Professional XSL from Wrox had some transforms for working
> with Petri Nets, can't remember exactly what was being done though.
>
> Michael Corning, whose transforms were used, has a homepage here (not
> sure about current status of it)
> http://authors.aspalliance.com/mcorning/ where some mention is made of
> the petri nets stuff.
>
> Cheers,
> Bryan
>
> On 9/4/06, stgn@xxxxxxx <stgn@xxxxxxx> wrote:
> > Hello
> >
> > How can I find/describe patterns in a Petri net graph with XSLT?
> >
> > For instance a sequence, a concurrency, AND-split, AND-join, OR-split,
> > OR-join or a while loop.
> >
> > Below you see a Petri net model (source model) which I would like to
> > transform into a BPEL model (target model).
> >
> > Can you tell me what the corresponding XSLT code would look like?
> >
> > My problem is to find patterns in a graph representation (Petri net)
> > and to transform them into a tree representation (BPEL). It might be
> > that such a transformation is not possible with the Petri net example
> > given below or that the Petri net XML would need further information
> > (for example an attribute attached to a transition saying "this is the
> > start of an AND-split").
> >
> > I am grateful for any hints. If you need any further information to
> > solve the problem, please let me know.
> >
> > Regards
> > Sagi
> >
> > --------------------
> > source model
> > --------------------
> > <?xml version="1.0"?>
> > <petrinet>
> >
> >         <!-- start of Petri net -->
> >         <place id="1"></place>
> >         <transition id="2"></transition>
> >
> >         <!-- upper flow of concurrency -->
> >         <place id="10"></place>
> >         <transition id="11"></transition>
> >         <place id="12"></place>
> >         <transition id="13"></transition>
> >         <place id="14"></place>
> >
> >         <!-- lower flow of concurrency -->
> >         <place id="20"></place>
> >         <transition id="21"></transition>
> >         <place id="22"></place>
> >
> >         <!-- end of Petri net -->
> >         <transition id="3"></transition>
> >         <place id="4"></place>
> >
> >         <!-- arcs connecting places and transitions -->
> >         <arc>
> >                 <from>1</from>
> >                 <to>2</to>
> >         </arc>
> >         <!-- next 2 arcs define an AND-split -->
> >         <arc>
> >                 <from>2</from>
> >                 <to>10</to>
> >         </arc>
> >         <arc>
> >                 <from>2</from>
> >                 <to>20</to>
> >         </arc>
> >         <!-- upper flow of concurrency -->
> >         <arc>
> >                 <from>10</from>
> >                 <to>11</to>
> >         </arc>
> >         <arc>
> >                 <from>11</from>
> >                 <to>12</to>
> >         </arc>
> >         <arc>
> >                 <from>12</from>
> >                 <to>13</to>
> >         </arc>
> >         <arc>
> >                 <from>13</from>
> >                 <to>14</to>
> >         </arc>
> >         <!-- lower flow of concurrency -->
> >         <arc>
> >                 <from>20</from>
> >                 <to>21</to>
> >         </arc>
> >         <arc>
> >                 <from>21</from>
> >                 <to>22</to>
> >         </arc>
> >
> >         <!-- next 2 arcs define an AND-join -->
> >         <arc>
> >                 <from>14</from>
> >                 <to>3</to>
> >         </arc>
> >         <arc>
> >                 <from>22</from>
> >                 <to>3</to>
> >         </arc>
> >         <arc>
> >                 <from>3</from>
> >                 <to>4</to>
> >         </arc>
> > </petrinet>
> >
> >
> >
> > --------------------
> > target model
> > --------------------
> > <?xml version="1.0"?>
> >
> > <process>
> >         <sequence>
> >                 <invoke name="2"/>
> >                 <flow>
> >                         <!-- upper flow of concurrency -->
> >                         <sequence>
> >                                 <invoke name="11"/>
> >                                 <invoke name="13"/>
> >                         </sequence>
> >                         <!-- lower flow of concurrency -->
> >                         <sequence>
> >                                 <invoke name="21"/>
> >                         </sequence>
> >                 </flow>
> >                 <invoke name="3"/>
> >         </sequence>
> > </process>