Hi Michael,
I talked to Michael Bouschen about these and we think that there is
some clarification needed in the specification.
On Oct 18, 2005, at 8:02 AM, Michael Watzek wrote:
Hi Craig,
I have 3 questions concerning named queries:
1) Assertion A14.5-13 specifies:
[...
The order is based on the metadata search order for class metadata,
but includes files named based on the query name.]
The assertion reads as if JDO defines a special metadata file
having a file name which equals the name of the named query. In
the example underneath that assertion the spec does not list such a
file:
"...
If metadata is not found in the above, then the following files are
searched: META-INF/package.jdoquery, WEB-INF/package.jdoquery,
package.jdoquery, com/package.jdoquery, com/sun/
package.jdoquery, com/sun/nb/package.jdoquery, com/sun/nb/
Bar.jdoquery."
Have implementations also lookup a metadata file like
<nameOfNamedQuery>.jdoquery?
No, this needs to be clarified. No file with a query name is used.
2) The seach order for metadata specifies to lookup a file WEBINF/
package.jdo. In a web server the WEBINF directory cannot be looked
up by a classloader. Instead, it is available through the servlet
context. I'm not sure if (deployed) implementations are able to
access the servlet context of deployed applications.
Does it make sense to not specify named queries in a WEBINF
directory of the TCK?
Yes, we don't have a web server environment that we're testing
against, so we need not test this.
3) The search order for metadata specifies that package jdo files
are evaluated before class jdo files.
Suppose there is a package jdo file containing metadata for class
Person. That jdo file would not define named queries on class
Person. Suppose further, there is a class jdo file for Person which
does define named queries. Are these named queries supposed to be
found by implementations?
No, I don't think so. Once an implementation has found class
metadata, it should not look further, even for query declarations.
This needs clarification.
Craig
Regards,
Michael
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