Tim,
I don't think we have an example of creating a property.
For creating your own property in SM namespace in Java, you can create a
variable like:
public final static com.hp.hpl.jena.rdf.model.Property targetUser =
com.hp.hpl.jena.rdf.model.ResourceFactory.createProperty(org.topbraid.sparqlmotion.vocabulary.SM.NS
+ "targetUser");
Gokhan
On 1/21/2011 1:13 PM, Smith, Tim wrote:
Hi Gokhan,
I think that's the problem - I have not defined my own SM properties in a java
class - only in the rdf model.
Is there an example around that shows how to do that?
Something like "public static final com.hp.hpl.jena.rdf.model.Property
targetUser;"?
I have imported the SM class as well as listed the appropriate dependencies.
Thanks,
Tim
-----Original Message-----
From: Gokhan Soydan [mailto:[email protected]]
Sent: Friday, January 21, 2011 3:58 PM
To: [email protected]
Cc: Smith, Tim
Subject: Re: [topbraid-users] Re: SPARQLMotion Module Devlopment
question
Tim,
Did you have "org.topbraid.sparqlmotion.vocabulary.SM" imported into
the
Java class where you define your own SM properties like "SM.targetUser"
? In the Dependencies list of your plugin, did you include
"org.topbraid.sparqlmotion" and any other related plugins like
"org.topbraid.lib.jena"?
Gokhan
On 1/21/2011 12:36 PM, Smith, Tim wrote:
Hi Scott,
Thanks for the help.
I had done what you suggested - I imported the model containing the
properties I wanted to use into the new module model. They were
available to the Create from SPIN Template window. I changed them to
use the SM namespace but this did not solve the problem.
The problem I'm running into is at the java level. When I try to get
the value pointed to by the given property, the compiler does not
recognize SM.targetUser.
It does recognize the built-in SM: values such as sm:outputVariable.
This is because these values are declared in
org.topbraid.sparqlmotion.vocabulary.SM.
Do I need to create my own vocabulary class to use my properties at
the java level? If not, how do I determine the value pointed to by a
property used in a SPIN constraint that is not part of a built-in
vocabulary?
Thanks,
Tim
-----Original Message-----
From: [email protected] [mailto:topbraid-
[email protected]] On Behalf Of Scott Henninger
Sent: Friday, January 21, 2011 12:17 PM
To: TopBraid Suite Users
Subject: [topbraid-users] Re: SPARQLMotion Module Devlopment
question
Tim; In the initial step "Declaring the new Module", add your
arguments (using the proper URIs) or import your model into the new
module model. The properties you define are then available when
using
the "Create from SPIN template" step to create arguments. I'd
suggest
using the sm namespace, i.e. sm:targetURL and sm:targetUser. This
will re-use the existing infrastructure without having to declare
new
Java classes.
-- Scott
On Jan 21, 9:22 am, "Smith, Tim"<[email protected]> wrote:
Hi,
I'm developing an SM module that requires several items as input.
These items are bound variables coming into my module.
I would like the user of the module to be able set the variable
names
that contain the values needed. For example, I need to pass a URL
and
user name to the module.
I thought I could use a spin constraint to define the property that
will hold the name of the variable, following the example of "Hello
World" found in the "Adding a SPARQLMotion Module with Java" help
page.
The Hello World example uses the sm:outputvariable property to pass
the name of the output variable into the module using a spin
constraint. The value of the property is retrieved inside the
module
using:
String varName = getConfigString(SM.outputVariable, true);
I was hoping to use more informative, existing property names in
the
spin constraint to define the variables such as PG:targetURL an
PG:targetUser.
However, I do not know how to access these properties inside the
module since Java does not know about them. i.e. I cannot use
String
varName = getConfigString(PG.targetURL, true);
Do I need to stick with the vocabulary defined by SM or can I use
my
own properties in this manner? If so, how do I define them? Just
declare them in the java code to be a
com.hp.hpl.jena.rdf.model.Property?
Thanks for your help,
Tim
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