Here's another idea to bounce off of you: Given StringVariablePersister, you can easily persist things other than Strings, so long as you can construct them from a String. (Boolean, Integer, etc). In the attached patch, I abstracted your StringVariablePersister and created a BooleanVariablePersister. What do you think?
2010/2/18 Mauricio Salatino <sala...@gmail.com> > Yes, of course, I add the VPS feature into drools so, I'm glad to see that > it's useful, I will add that persister, and if you are interested in do some > contributions with JCR will be nice too! > Thanks a lot for your contributions! > > > 2010/2/18 Dale Wyttenbach <dale.wyttenb...@gmail.com> > >> Excellent, I have attached a unit test that demonstrates a query made >> possible by the first patch, in case you are interested. The unit test is >> designed to run in your example DroolsFlowVPS project, >> since StringVariablePersister is not part of drools-persistence-jpa. >> (Could StringVariablePersister be contributed to drools?) >> >> 2010/2/18 Mauricio Salatino <sala...@gmail.com> >> >>> The first patch is already in the trunk. >>> About the second problem, we are trying to remove the >>> @CollectionOfElements annotation, (because it's hibernate specific) that's >>> why you see the other one commented out. I will try fix it asap, to be able >>> to use toplink as persistence provider as well. Probably that will fix your >>> problem too. >>> >>> >>> >>> 2010/2/18 Dale Wyttenbach <dale.wyttenb...@gmail.com> >>> >>>> That's correct, it works fine using h2. Thanks. >>>> >>>> 2010/2/18 Mauricio Salatino <sala...@gmail.com> >>>> >>>> Let me take a look at that too.. probably it's an oracle problem right? >>>>> I mean, probably it just happen with oracle.. we can create a fix for that >>>>> too >>>>> >>>>> >>>>> 2010/2/18 Dale Wyttenbach <dale.wyttenb...@gmail.com> >>>>> >>>>> My pleasure. >>>>>> >>>>>> Within ProcessInstanceInfo, I've got a similar observation about the >>>>>> eventTypes member. 'private Set<EventType>' is currently commented out >>>>>> in >>>>>> favor of 'private Set<String>'. When using an Oracle hibernate dialect, >>>>>> this results in the DDL 'create table ProcessInstanceInfo_eventTypes' >>>>>> which >>>>>> yields the error 'ORA-00972: identifier is too long'. I imagine this >>>>>> will >>>>>> be resolved when the String is promoted to EventType but I thought you >>>>>> might >>>>>> want to know. >>>>>> >>>>>> 2010/2/13 Mauricio Salatino <sala...@gmail.com> >>>>>> >>>>>> done.. I will apply the patch into the trunk.. it seems to be correct. >>>>>>> Thanks a lot! >>>>>>> >>>>>>> 2010/2/13 Dale Wyttenbach <dale.wyttenb...@gmail.com> >>>>>>> >>>>>>> Please see attached. >>>>>>>> >>>>>>>> >>>>>>>> 2010/2/12 Mauricio Salatino <sala...@gmail.com> >>>>>>>> >>>>>>>>> I just want to make sure before apply the patch that the change >>>>>>>>> will not impact in other places. >>>>>>>>> Thanks >>>>>>>>> >>>>>>>>> >>>>>>>>> On Fri, Feb 12, 2010 at 5:38 PM, Mauricio Salatino < >>>>>>>>> sala...@gmail.com> wrote: >>>>>>>>> >>>>>>>>>> can you post both, previous and new, sql schema generated for the >>>>>>>>>> VariableInstanceInfo and ProcessInstanceInfo tables? >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> 2010/2/12 Dale Wyttenbach <dale.wyttenb...@gmail.com> >>>>>>>>>> >>>>>>>>>>> If you try to write a query that >>>>>>>>>>> requires VariableInstanceInfo.processId, it won't work because that >>>>>>>>>>> class >>>>>>>>>>> has no processId member. >>>>>>>>>>> I guessed that processInstanceId would be a better join column, >>>>>>>>>>> and that worked (patch attached) >>>>>>>>>>> >>>>>>>>>>> Thanks for the reply. >>>>>>>>>>> >>>>>>>>>>> 2010/2/12 Mauricio Salatino <sala...@gmail.com> >>>>>>>>>>> >>>>>>>>>>> Hmm.. >>>>>>>>>>>> I'm looking at the source and I see the following mapping: >>>>>>>>>>>> >>>>>>>>>>>> @OneToMany(cascade = CascadeType.ALL) >>>>>>>>>>>> @JoinColumn(name = "processId") >>>>>>>>>>>> @MapKey(name = "name") >>>>>>>>>>>> private Map<String, VariableInstanceInfo> variables >>>>>>>>>>>> = new HashMap<String, VariableInstanceInfo>(); >>>>>>>>>>>> >>>>>>>>>>>> That makes me think that there is a join column called processId >>>>>>>>>>>> between VariableInstanceInfo and ProcessInstanceInfo. >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> 2010/2/12 Dale Wyttenbach <dale.wyttenb...@gmail.com> >>>>>>>>>>>> >>>>>>>>>>>>> I have a patch for drools-persistence-jpa should anyone agree >>>>>>>>>>>>> with me that ProcessInstanceInfo and VariableInstanceInfo should >>>>>>>>>>>>> be joined >>>>>>>>>>>>> by processInstanceId. >>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>>> On Fri, Feb 12, 2010 at 10:52 AM, Dale Wyttenbach < >>>>>>>>>>>>> dale.wyttenb...@gmail.com> wrote: >>>>>>>>>>>>> >>>>>>>>>>>>>> I'm trying to adapt the StringVariablePersister presented in >>>>>>>>>>>>>> http://blog.athico.com/2009/09/drools-flow-variable-persistence.html >>>>>>>>>>>>>> >>>>>>>>>>>>>> <http://blog.athico.com/2009/09/drools-flow-variable-persistence.html>I >>>>>>>>>>>>>> can create process instances with variable "color": >>>>>>>>>>>>>> >>>>>>>>>>>>>> private static WorkflowProcessInstance >>>>>>>>>>>>>> startProcess(StatefulKnowledgeSession ksession, String color) { >>>>>>>>>>>>>> Map<String, Object> vars = new HashMap<String, Object>(); >>>>>>>>>>>>>> vars.put("color", color); >>>>>>>>>>>>>> WorkflowProcessInstance p1 = (WorkflowProcessInstance) >>>>>>>>>>>>>> ksession.startProcess("com.sample.ruleflow", vars); >>>>>>>>>>>>>> return p1; >>>>>>>>>>>>>> } >>>>>>>>>>>>>> >>>>>>>>>>>>>> I can count them: >>>>>>>>>>>>>> >>>>>>>>>>>>>> select >>>>>>>>>>>>>> count(*) >>>>>>>>>>>>>> from >>>>>>>>>>>>>> ProcessInstanceInfo >>>>>>>>>>>>>> >>>>>>>>>>>>>> However I'm stymied as to counting process instances with a >>>>>>>>>>>>>> given color, as there appears to be no join column between >>>>>>>>>>>>>> ProcessInstanceInfo and VariableInstanceInfo. >>>>>>>>>>>>>> Can such a query be written? >>>>>>>>>>>>>> >>>>>>>>>>>>>> Thanks. >>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>>> rules-users mailing list >>>>>>>>>>>>> rules-users@lists.jboss.org >>>>>>>>>>>>> https://lists.jboss.org/mailman/listinfo/rules-users >>>>>>>>>>>>> >>>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> -- >>>>>>>>>>>> - http://salaboy.wordpress.com >>>>>>>>>>>> - http://www.jbug.com.ar >>>>>>>>>>>> - Salatino "Salaboy" Mauricio - >>>>>>>>>>>> >>>>>>>>>>>> _______________________________________________ >>>>>>>>>>>> rules-users mailing list >>>>>>>>>>>> rules-users@lists.jboss.org >>>>>>>>>>>> https://lists.jboss.org/mailman/listinfo/rules-users >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> _______________________________________________ >>>>>>>>>>> rules-users mailing list >>>>>>>>>>> rules-users@lists.jboss.org >>>>>>>>>>> https://lists.jboss.org/mailman/listinfo/rules-users >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> - http://salaboy.wordpress.com >>>>>>>>>> - http://www.jbug.com.ar >>>>>>>>>> - Salatino "Salaboy" Mauricio - >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> -- >>>>>>>>> - http://salaboy.wordpress.com >>>>>>>>> - http://www.jbug.com.ar >>>>>>>>> - Salatino "Salaboy" Mauricio - >>>>>>>>> >>>>>>>>> _______________________________________________ >>>>>>>>> rules-users mailing list >>>>>>>>> rules-users@lists.jboss.org >>>>>>>>> https://lists.jboss.org/mailman/listinfo/rules-users >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>>> rules-users mailing list >>>>>>>> rules-users@lists.jboss.org >>>>>>>> https://lists.jboss.org/mailman/listinfo/rules-users >>>>>>>> >>>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> - http://salaboy.wordpress.com >>>>>>> - http://www.jbug.com.ar >>>>>>> - Salatino "Salaboy" Mauricio - >>>>>>> >>>>>>> _______________________________________________ >>>>>>> rules-users mailing list >>>>>>> rules-users@lists.jboss.org >>>>>>> https://lists.jboss.org/mailman/listinfo/rules-users >>>>>>> >>>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> rules-users mailing list >>>>>> rules-users@lists.jboss.org >>>>>> https://lists.jboss.org/mailman/listinfo/rules-users >>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> - http://salaboy.wordpress.com >>>>> - http://www.jbug.com.ar >>>>> - Salatino "Salaboy" Mauricio - >>>>> >>>>> _______________________________________________ >>>>> rules-users mailing list >>>>> rules-users@lists.jboss.org >>>>> https://lists.jboss.org/mailman/listinfo/rules-users >>>>> >>>>> >>>> >>>> _______________________________________________ >>>> rules-users mailing list >>>> rules-users@lists.jboss.org >>>> https://lists.jboss.org/mailman/listinfo/rules-users >>>> >>>> >>> >>> >>> -- >>> - http://salaboy.wordpress.com >>> - http://www.jbug.com.ar >>> - Salatino "Salaboy" Mauricio - >>> >>> _______________________________________________ >>> rules-users mailing list >>> rules-users@lists.jboss.org >>> https://lists.jboss.org/mailman/listinfo/rules-users >>> >>> >> >> _______________________________________________ >> rules-users mailing list >> rules-users@lists.jboss.org >> https://lists.jboss.org/mailman/listinfo/rules-users >> >> > > > -- > - http://salaboy.wordpress.com > - http://www.jbug.com.ar > - Salatino "Salaboy" Mauricio - > > _______________________________________________ > rules-users mailing list > rules-users@lists.jboss.org > https://lists.jboss.org/mailman/listinfo/rules-users > >
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