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From "Michelle Caisse (JIRA)" <j...@apache.org>
Subject [jira] Commented: (JDO-615) MetaData specification API
Date Fri, 29 May 2009 04:02:45 GMT

    [ https://issues.apache.org/jira/browse/JDO-615?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12714291#action_12714291
] 

Michelle Caisse commented on JDO-615:
-------------------------------------

Patch applies fine for me but I get:

java:compile:
    [echo] Compiling to c:\jdonew\trunk\api2/target/classes
    [javac] Compiling 4 source files to C:\jdonew\trunk\api2\target\classes
C:\jdonew\trunk\api2\src\java\javax\jdo\metadata\ComponentMetadata.java:27: class TypeMetadata
is public, should be declared in a file named TypeMetadata.java
public interface TypeMetadata extends Metadata {
       ^
1 error

> MetaData specification API
> --------------------------
>
>                 Key: JDO-615
>                 URL: https://issues.apache.org/jira/browse/JDO-615
>             Project: JDO
>          Issue Type: New Feature
>          Components: api2, specification, tck2
>            Reporter: Andy Jefferson
>            Assignee: Craig Russell
>             Fix For: JDO 2 maintenance release 3
>
>         Attachments: BooleanProperties.patch, jdometadata-6.patch, type-2.patch, type.patch
>
>
> We can specify MetaData via XML or annotations. The only way missing is via an API. I
propose mirroring the XML structure with interfaces of the form
> public interface MetaData
> {
>     addExtension(String key, String value);
>     removeExtension(String key, String value);
>     ...
> }
> public interface FileMetaData
> {
>     addPackage(PackageMetaData pmd);
>     ...
> }
> public interface PackageMetaData
> {
>     addClass(ClassMetaData cmd)
>     ...
> }
> public interface ClassMetaData
> {
>     addField(FieldMetaData fmd)
>     ...
> }
> public interface FieldMetaData
> {
>     setInheritance(InheritanceMetaData inhmd)
>     ...
> }
> and so on.
> We would then require a method on the PMF to register the metadata.
> If there are no objections to such a feature I'll propose a patch to try to provide all
current JDO2 capabilities.

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