[infinispan-dev] Module configuration proposal
Galder Zamarreno
galder at redhat.com
Tue Nov 3 12:59:04 EST 2009
On 11/03/2009 04:52 PM, Vladimir Blagojevic wrote:
> Hey guys,
>
> I completed module configuration proposal Manik and I agreed upon. It is
> very important to get this one right so I want to run it by you before
> proceeding further!
>
> Have a look at [1] and follow proposed module configuration example below:
>
> <infinispan xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
> xmlns="urn:infinispan:config:4.0">
> <global>
> <transport clusterName="demoCluster"/>
> </global>
>
> <default>
> <clustering mode="replication">
> </clustering>
> <modules>
> <module name="query"
> configClassName="org.infinispan.query.config.QueryConfigurationBean">
> <indexing enabled="true" indexLocalOnly="true"/>
> </module>
> </modules>
> </default>
> </infinispan>
>
> A few things to notice:
>
> a) Any configuration (including default and namedCache) can have a
> module definition
> b) Instance of configClassName is a rich object structure filled from
> module's child XML content
I think configClassName should simply be 'class' as per the rest of
situations where we're configuring FQCNs.
> c) Module's XML content can be arbitrary
So, <indexing enabled="true" indexLocalOnly="true"/> is the XML from the
query module that the query module can read itself?
> d) Custom module configuration bean is accessed by module name:
>
>
> Configuration def = c.parseDefaultConfiguration();
> ModuleConfigurationBean extensionConfig =
> def.getModuleConfigurationBean("query");
> QueryConfigurationBean bean = (QueryConfigurationBean)
> extensionConfig.getConfigurationBean();
> assert bean.isEnabled();
> assert bean.isIndexLocalOnly();
>
>
> The proposal achieves full flexibility when it comes to having rich
> object configuration structure that modules define themselves.
> Furthermore, core module is completely isolated from module
> configuration extensions. Schema easily accommodates this model and
> there is no adverse effect on performance!
Nice work!
>
>
> [1] https://jira.jboss.org/jira/browse/ISPN-193
> _______________________________________________
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--
Galder Zamarreño
Sr. Software Engineer
Infinispan, JBoss Cache
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