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Re: OPP Bug?

On Thu, 20 Sep 2001, you wrote:
> As I mentioned in my Persistence Problem posts, I have been unable to get 
> OPP to generate proxy classes with the correct write locks. Unless I am 
> running OPP incorrectly, it appears that there may be a problem in the OPP 
> process itself.
> 
> One of the responsibilities of the IfHelper class is to find the source file 
> for interfaces. As I understand the code, it is not able to find the file if 
> it is not in the current  or source destination directories. As a result all 
> of the generated proxy methods for the interfaces that can't be found will 
> have read locks.
> 
> If the above is true the following changes to IfHelper will fix the problem 
> when running Windows NT if the interface classes are in the classpath when 
> OPP is run. Note that the code throws and exception if the source file isn't 
> found. I feel this is preferable to the current implementation which simply 
> prints out the fact and goes on to generate incorrect proxies.

Hmmm, yes, sounds reasonable ;) Others? I would like to give you CVS write
access so that you can check in this, and possible future changes, directly.
What do you think? Lars will send you detailed information. Thanks!


Falko

> 
> Add the following method to IfHelper:
> 
>     public static String classFileName(Class dbInterface) {
>         // get the classpath of this virtual machine
>         String jvmClassPath = System.getProperty( "java.class.path", "" );
>         StringTokenizer t = new StringTokenizer(jvmClassPath, ";");
>         String aPath;
>         String classFileName;
>         while (t.hasMoreTokens()) {
>             aPath = (String)t.nextElement();
>             classFileName = aPath + "\\" + 
> dbInterface.getName().replace('.', '\\') + ".java";
>            // System.out.println(classFileName);
>             if (new File( classFileName).exists()) {
>                 return classFileName;
>             }
>         }
>         throw new RuntimeException("Unable to find source file for " + 
> dbInterface.getName());
>     }
> 
> 
> And in IfHelper.searchUpdateMethods2() replace the line
> 
> sourceName = outputDir + OPPHelper.rawClassName( dbInterface ) + ".java";
> 
> with
> 
> sourceName = classFileName(dbInterface);
> 
> 
> Regards,
> 
> Don
> 
> _________________________________________________________________
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> 
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______________________________________________________________________
Falko Braeutigam                              mailto:falko@smb-tec.com
SMB GmbH                                        http://www.smb-tec.com

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