Jared - thanks for the thoughts; I looked at getBean() in MG/CS - it
doesn't appear MG caches it and the CS getBean() method looks to see if a
bean exists in the local factory and if not it passes the request to the
parent. So, I believe using setParent() on the internal MG factory will
indeed make subsequent calls to the beanfactory access beans from a
newly-updated beanfactory from setParent().
Dan, here's the questions I'm looking to understand before investing
non-trivial time in reworking my app for continuous deployment. My
objective is to refresh the beanfactory/model (application.cs, a model-glue
parent bean factory) independent of model-glue while live in production and
under load.
I've confirmed to my satisfaction that the following code will update my
application's parent beanfactory in MG 3.1.299:
<cfset
application[this.realName].getInternalBeanFactory().setParent(application.cs)
/>
The remaining question at this point is: Are there any downsides to
getModelGlue().getBean()? It appears to be deprecated in favor of the
beans scope but is it just because it's shorter to write? Technically the
beans scope is two less method calls but are there any other downsides to
using getModelGlue().getBean()?
If not, I believe a Coldspring/Model-Glue application can support true
continuous deployment with two conditions:
1. No cached references to the service layer in persistent scopes (e.g.,
don't do <cfset session.obj = application.cs.getBean("MySvc")>)
2. Exclusive use of getModelGlue().getBean(beanname) in Controllers and NO
autowiring of service layer objects
Brian
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