Re: [Springframework-developer] Alias element for XML bean definitions

[Colin S. <col...@ex...>]

This is great! (I'm ashamed to say I promised almost a year ago to do an 
alias tag and never got around to it).

This is really going to help people doing (lightweight) component style 
programming with Spring. I've posted a blog entry about it:
  
http://blog.exis.com/colin/archives/2005/04/09/alias-tag-in-spring-helps-achieve-lightweight-component-style-assembly-of-beans/

-- 
Colin Sampaleanu
Interface21 Principal Consultant
Spring Training, Consulting and Support - "From the Source"
http://www.springframework.com


Juergen Hoeller wrote:

>I've just added an <alias> tag for XML bean definitions. For example:
>
>  <alias name="myBean" alias="myAlias"/>
>
>This allows to define aliases separate from the original bean definition,
>for example to link in a bean from some other file under a different name.
>See http://opensource.atlassian.com/projects/spring/browse/SPR-554.
>
>We've already had a BeanReferenceFactoryBean that could achieve this, but
>the <alias> tag is a much nicer syntax.
>
>One use case where this can be used within the framework is the
>SingletonBeanFactoryLocator: Instead of defining an alias for another
>factory through a "java.lang.String" definition there, you can simply define
>an <alias> tag now.
>
>
>BTW, to remove a circular root package dependency between "beans" and
>"jndi", I've recently removed JndiBeanFactoryLocator without replacement.
>ContextJndiBeanFactoryLocator in the "context" package still exists and is
>the only one that's actually used anyway. The "context" package is allowed
>to depend on "jndi", but the "beans" package isn't.
>
>Effectively, the BeanFactoryLocator mechanism will usually only be used for
>ApplicationContexts anyway, in particular since we default to full contexts
>for our EJB support classes. Hence, the relevant implementations are the
>ones in the "context.access" package, even if the interfaces and some base
>implementations reside in "beans.factory.access".
>
>
>Juergen
>
>
>
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