I am not as worried about the namespace issues as I am with the soundness of the methodology that I am using to set this in memory model up. The "ModifyPrefixes" module seems to have solved my null pointer error.
On Oct 22, 11:01 am, Scott Henninger <[email protected]> wrote: > Joseph; Keep in mind that there are two things at work here. The > script model and the model the script is manipulating (let's call it > the result model). The existence of prefix definitions in the script > model does not mean the prefixes are defined in the result model. > > It's hard to say without looking at the script, but I think the > problems could be resolved by adding a ModifyPrefixes module that > defines the prefixes for the result model. > > -- Scott > > On Oct 22, 9:48 am, Joseph Shea <[email protected]> wrote: > > > > > Hello all. I am trying to write a web service that will take in > > parameters, construct triples, update the in memory model, and save to > > a file. For reference, I am using TBC 3.1 and TBL 3.1. > > > In reality, I want a user to be able to submit data through a web > > service and have it persist. Since I am using an in memory model and > > would like to have this actually used by people through a front end > > interface, it is not possible to reload the workspace every time new > > triples are added. I am currently using the following approach: > > > Step one: Take in parameters + importRDFFromWorkspace > > > Step two: PerformUpdate (constructs new triples, adds to in memory > > model) > > > Step three: ExportToRDFFile (saves the current model in case it needs > > to be restored) > > > I am running into several problems. First, there are namespace issues > > that I am running into. I will have the file lose the default > > namespace and receive a j.0 namespace. Beyond that, I am also > > receiving null pointer errors when trying to write some SM scripts > > (which is a result of null namespaces, which Holger had said to me). I > > use prefixes in the PerformUpdate, since other files are referenced. > > The namespaces are instantiated before the query in the UpdateQuery > > field, as follows. > > > PREFIX ES:<http://www.test.com/ES#> > > > I am not sure if I am taking the incorrect approach to this problem, > > or am doing something wrong that will not let me proceed. > > > Joseph Shea- Hide quoted text - > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "TopBraid Composer Users" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/topbraid-composer-users?hl=en -~----------~----~----~----~------~----~------~--~---
