Hi Pinaki,
As you said, what you're doing isn't very kosher. First, you shouldn't
rely on EMF behavior, because it's subject to change and second, the
EPackage name isn't always the same as the Java package, even though it is
when sdoJava:package is specified. I don't really understand why you want
this value anyway. It's only purpose (see SDO spec) is for the code
generator to determine the java package for generated interfaces. It's
meaningless information if you don't generate static SDOs, and if you do
generate them, then getInstanceClass() will be non-null and you can get
the value from it.
Frank
"Pinaki Poddar" <[EMAIL PROTECTED]> wrote on 07/10/2007 12:43:04 PM:
> Hi,
> Thanks for your help.
>
> When the only input is a XML Schema, and SDO types are defined via:
> List types = XSDHelper.INSTANCE.define(xsdInputStream,
> schemaLocation);
> The resultant types have non-null getInstanceClass() only when
> type.isDataType()==true.
>
> However, I have figured a way to access the sdoJava:package. May not be
> kosher but here it is:
>
>
> Runtime class of commonj.sdo.Type is
> org.apache.tuscany.sdo.impl.ClassImpl.
> This runtime class will reveal the underlying EMF implementaion's
> Epackage.
>
>
>
> For example, if 'po.xsd' defines a type named 'USAddress' and declares
> sdoJava:package="com.acme.foo", then following test will pass:
>
> public void testPackageNameIsAvailableViaDowncast() {
> Type addressType = getType("USAddress");
> assertTrue(addressType instanceof ClassImpl);
>
> assertEquals("com.acme.foo",((ClassImpl)addressType).getEPackage().getNa
> me());
> }
>
> And following tests will pass too:
>
> public void testInstanceClassIsNullForUserType() {
> Type addressType = getType("USAddress");
> assertFalse(addressType.isDataType());
> assertNull(addressType.getInstanceClass());
> }
>
> public void testInstanceClassIsNotNullForDataType() {
> Type skuType = getType("SKU");
> assertTrue(skuType.isDataType());
> assertNotNull(skuType.getInstanceClass());
> }
>
>
> Pinaki Poddar
> 972.834.2865
>
> -----Original Message-----
> From: Frank Budinsky [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, July 10, 2007 7:55 AM
> To: [email protected]
> Subject: RE: Runtime access to sdoJava:package
>
> Given a Type, you can call type.getInstanceClass() and if it's not null,
> the package name can be retrieved from the Class. If the instanceClass
> is null, there is no static class, and hence no package for the type.
>
> Frank.
>
> "Pinaki Poddar" <[EMAIL PROTECTED]> wrote on 07/09/2007 05:53:21 PM:
>
> > Thanks Fuhwei.
> >
> > But the underlying EMF Ecore allowed a path to do the same -- at least
>
> > as far I can see in my debugger.
> >
> > In a implementation that is based upon another impl -- it often helps
> > to make the underlying impl available via 'public Object
> > getDelegate();' or some such method. Is there any such under-the-hood
> > way to get hold of EMF impl classes in Tuscany's SDO impl -- even it
> > does require me to cast to specific impl from the commonj.sdo API
> instances.
> >
> >
> > Pinaki Poddar
> > 972.834.2865
> >
> > -----Original Message-----
> > From: Fuhwei Lwo [mailto:[EMAIL PROTECTED]
> > Sent: Monday, July 09, 2007 4:46 PM
> > To: [email protected]
> > Subject: Re: Runtime access to sdoJava:package
> >
> > Hi Pinaki,
> >
> > sdoJava:package is only used by the users to control what Java package
>
> > name should be generated during the generation of static SDO APIs. I
> > don't think its info can be accessed from the standard SDO APIs.
> >
> > Fuhwei
> >
> > Pinaki Poddar <[EMAIL PROTECTED]> wrote: Hello, a newbie question:
> > 1. *.xsd has declared
> > sdoJava:package="com.acme.mydomain"
> >
> > 2. With XSDHelper.INSTANCE (or with some other helper)
> > how does one programatically access the package name
> > "com.acme.mydomain"?
> >
> > A more general question,
> > does SDO Type has a 'package' notion or such notion is only valid if
> > SDO Type is converted to Java Class?
> >
> > Thanks
> >
> >
> > Pinaki Poddar
> > 972.834.2865
> >
> >
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