Subject: Re: [xsl] Petri net to BPEL model transformation > How to find patterns? From: "bryan rasmussen" <rasmussen.bryan@xxxxxxxxx> Date: Mon, 4 Sep 2006 15:22:54 +0200 |
just checked the page closer, is old and out of date.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
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>
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