[hibernate-issues] [Hibernate-JIRA] Reopened: (HHH-6927) Cannot register a type through configuration if the type is parametrized

[Steve Ebersole (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-6927?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Steve Ebersole reopened HHH-6927:
---------------------------------


> Cannot register a type through configuration if the type is parametrized
> ------------------------------------------------------------------------
>
>                 Key: HHH-6927
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-6927
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.6.5
>            Reporter: Stephane Nicoll
>
> Since I don't want to hardcode @TypeDefs in each class hierarchy that uses a custom type, I am using the {{cfg.registerTypeOverride}} method. This works fine for simple user type but I have a parameterized user type. 
> In that case, using this method leads to a single user type instance being used and shared for all my entities and no parameter is injected at all. Looking a bit deeper I think I found the culprit in TypeResolver.
> {code:java}
> public Type heuristicType(String typeName, Properties parameters) throws MappingException {
> 		Type type = basic( typeName );
> 		if ( type != null ) {
> 			return type;
> 		}
> 		try {
> 			Class typeClass = ReflectHelper.classForName( typeName );
> 			if ( typeClass != null ) {
> 				return typeFactory.byClass( typeClass, parameters );
> 			}
> 		}
> 		catch ( ClassNotFoundException ignore ) {
> 		}
> 		return null;
> 	}
> {code}
> base(typeName) will actually return the type that I have registered. Notice that basic does not take the {{parameters}} argument into account. Since it's not null it just returns that type. 
> Maybe I did something wrong. I was surprised that cfg actually registers *instances* and not classes. Both @TypeDefs and hbm.xml specifies classes. Maybe adding an option to register a class programmatically? 

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