Re: Re: Re: Re: Re: Instantiate process from application

>  you put the following:
>
>     SharkInterfaceWrapper.getShark();
>
>  Regards,
>  Sasa.
>
>  Luke Rasmussen wrote: We have been trying to get a program working to
> connect to Shark using code from the Shark documentation and this mailing
> list.
>
>  We are wondering if anyone can help troubleshoot or explain why we are
> geting the error:
>  javax.transaction.NotSupportedException: Nested transactions not
> supported2009-01-12 10:11:44,587: SharkConnectionImpl -> Unexpected error
> while user admin loggs on
>  java.lang.Exception: No transaction begun.
>     at
> org.enhydra.shark.SharkTxSynchronizationFactory.
> createTxSynchronization(SharkTxSynchronizationFactory.java:83)
>     at
>

>     at
> org.enhydra.shark.client.utilities.SharkInterfaceWrapper.
> getSharkConnection(SharkInterfaceWrapper.java:329)
>     at
> org.marshfieldclinic.Shark.MSharkClientConnector.
> main(MSharkClientConnector.java:91)
>
>
>  We are using the following code:
>  public static void main(String[] args)
>         {
>             try {
>               System.out.println("1");
>                  SharkInterfaceWrapper.setProperties("X:\\tws-
> community-2.2\\conf\\Shark.conf",
> true);
>                  System.out.println("1a");
>
>                   UserTransaction ut = (UserTransaction) new
> InitialContext().lookup("java:comp/UserTransaction");
>
>                 Map cntxt = new HashMap();
>
>                 ut.begin();
>
>                 String username = "admin";
>                 SharkConnection sc =
> SharkInterfaceWrapper.getSharkConnection(username, null);
>
>                 ut.commit();
>
>                   System.out.println("7");
>                   WMConnectInfo wmci=new WMConnectInfo("", "", "", "");
>
>                   System.out.println("8");
>                   sc.connect(wmci);
>
>                 ut.begin();
>
>                 String pkgId = "1";
>                 String pDefId = "0";
>                 String procDefName = SharkInterfaceWrapper.getShark()
>                    .getXPDLBrowser()
>                    .getUniqueProcessDefinitionName(sc.getSessionHandle(),
> pkgId, "", pDefId);
>                 WfProcessMgr mgr = sc.getProcessMgr(procDefName);
>
>                 ut.commit();
>
>                 WfProcess process = mgr.create_process(null);
>
>                 /*if you want to set process variables now, then you can
> do so now as
>                 follows:*/
>                 process.set_process_context(cntxt);
>
>                 process.start();
>                 ut.commit();
>             }
>             catch (Exception exc) {
>                 System.out.println("Exception: " + exc);
>                 System.out.println("Message: " + exc.getMessage());
> exc.printStackTrace();
>             }
>         }
>
>  Thank you,
>
>  Luke R.
>  Marshfield Clinic
>

>       On Wed, Dec 17, 2008 at 12:59 PM,  wrote:
>     Hi Luke,
>
>  Here's some code sample from our application, which may help you:
>
>  ut = SharkInterfaceWrapper.getUserTransaction();
>  ut.begin();
>
>  /*"xpdl" below is a domain object for us which has info about package
> defintion, verison etc. and getProcessManager() is * a method I will
> reproduce below.
>  */
>  WfProcessMgr processMgr = getProcessManager(sharkConnection, xpdl);
>
>  process= processMgr.create_process(null);
>
>  /*if you want to set process variables now, then you can do so now as
> follows:*/
>  process.set_process_context(myContextMap);
>
>  process.start();
>  ut.commit();
>
>  Here's the getProcessManager method using our xpdl domain object:

> WfProcessMgr getProcessManager(SharkConnection sharkConnection,
>                  Xpdl xpdl) throws Exception {
>      XPDLBrowser xpdlb = Shark.getInstance().getXPDLBrowser();
>      String procDefName =
>            xpdlb.getUniqueProcessDefinitionName(
>                        sharkConnection.getSessionHandle(),
>                        xpdl.getPackageId(),
>                        (new Integer(xpdl.getVersion())).toString(),
> xpdl.getProcessDefinitionId());
>      WfProcessMgr mgr = sharkConnection.getProcessMgr(procDefName);
> return mgr;
>  }
>
>  Hope this helps,
>  regards,
>  Geeta
>
>
>
>
>             "Luke Rasmussen"
>                                                                     To
>                                       shark@...
>             12/17/2008 05:09                                           cc

>                                                                   Subject
>                                       [shark] Instantiate process from
>             Please respond to         application
>               shark@...
>
>
>
>
>
>
>
>
>
>  We are trying to use the Shark API to instantiate (and interact with) a
> process from an external Java application.
>
>  We looked in the Shark code (latest from CVS) and found the SharkTest
> area,
>  however it appeared to have a lot of extra calls.  Our engine is running
> and the process is loaded, so what is the minimum amount of code needed
> to
>  obtain a link to the server instance and instantiate it.  Is this

> documented somewhere?  Has anyone done this, and would you be willing to
> post a simple example to the list?
>
>  Thanks in advance for your help.
>
>  Luke R.
>  Marshfield Clinic
>
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