Hi, Frank.
We have checked in the code for SCA databinding to introspect a generated
SDO java class. It will be nice to get a fix from SDO. I guess adding a
public static field to the generated classes/interfaces will help us
recognize it and get the type name. For example,
public static final javax.xml.namespace.QName _SDO_TYPE = new
javax.xml.namespace.QName("http://customer";, "Customer");
Thanks,
Raymond
----- Original Message -----
From: "Frank Budinsky (JIRA)" <[email protected]>
To: <[EMAIL PROTECTED]>
Sent: Tuesday, February 13, 2007 4:29 PM
Subject: [jira] Commented: (TUSCANY-1110) Improve the performance of
TypeHelperImpl.getType(Class)
[
https://issues.apache.org/jira/browse/TUSCANY-1110?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12472943 ]
Frank Budinsky commented on TUSCANY-1110:
-----------------------------------------
Yang, can you explain more about your idea?
I also have a couple of ideas for how to speed up
TypeHelper.getType(Class):
1) when we move a Java5 dependency, we should generate an annotation in
the interface, which we could use at runtime to find the Type. The exact
format of the annotation depends on an SDO 3 feature to support Java
metadata annotations, which the SDO collaboration is currently
considering.
2) before Java5, we could possibly do something like this:
step 1) determine the class name from the provided Class.
step 2) mangle the name to determine the impl class name (e.g.,
org.example.Foo -> org.example.impl.FooImpl)
step 3) create an instance and then call getType() - or better yet,
we could change the generator pattern to generate a static method that
returns the type - and then call it.
I'm sure there are also other possible ways to do this, but the question
is what's the priority for this? Does anyone know if the current
performance of this method is a concern that needs immediate attention?
Improve the performance of TypeHelperImpl.getType(Class)
--------------------------------------------------------
Key: TUSCANY-1110
URL: https://issues.apache.org/jira/browse/TUSCANY-1110
Project: Tuscany
Issue Type: Improvement
Components: Java SDO Implementation
Affects Versions: Java-SDO-Mx
Reporter: Raymond Feng
Fix For: Java-SDO-Mx
In the SDO databinding for SCA, we need to introspect a java
class/interface to figure out the corresponding SDO type. Looking into
the code, there is a TODO comment:
//TODO more efficient implementation ... this is a really bad one!
Do you plan to provide a more efficient impl :-)?
Thanks,
Raymond
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