The alias solution seems to work fine and is alright by me. I created a PR
for it:
https://github.com/geoserver/geoserver/pull/1495
On Tue, Feb 16, 2016 at 1:10 AM, Niels Charlier <[email protected]> wrote:
> Yeah, as he explained that is complicated by the fact that
> GeoServerDataDirectory and GeoServerResourceLoader are also resource store,
> but never "the" resource store (in fact, they depend upon it).
>
> Solution #1
> Use of a Spring "alias". An alias as higher priority than a normal name.
> However that only gives two levels of priority, once you have more than one
> alias you end up with the same issue. This may be sufficient for us though,
> assuming that we'd never need more than one custom ResourceStore in our
> context.
>
> Solution #2
> The pattern we used for geofence/geofence-server: using
> PropertyConfigurers we have full flexibility over priority. It would go
> something like this. In main applicationContext:
>
> <bean id="resourcestore-configurer"
> class="org.geoserver.config.GeoServerPropertyConfigurer">
> | *<property name="order" value="5"/>*
> <property name="properties">
> <props>
> <prop key="theResourceStore">dataDirectoryResourceStore</prop>
> </props>
> </property>
> </bean>
>
> <bean id="resourceStore"
> class="org.geoserver.platform.resource.ResourceStoreProxy">
> <property name="delegate" ref="$theResourceStore"/>
> </bean>
>
>
> Then in the jdbcstore applicationContext:
>
> <bean id="resourcestore-configurer"
> class="org.geoserver.config.GeoServerPropertyConfigurer">
> *<property name="order" value="4"/>*
> <property name="properties">
> <props>
> <prop key="theResourceStore">jdbcResourceStore</prop>
> </props>
> </property>
> </bean>
>
> Quite an elegant solution, if you ask me.
>
> Kind Regards
> Niels
>
>
>
> On 16-02-16 09:27, Andrea Aime wrote:
>
> On Tue, Feb 16, 2016 at 2:31 AM, Jody Garnett <[email protected]>
> wrote:
>
>>
>> Anyone have any thoughts? Is there something more basic I'm missing?
>>>
>>
>> The auto migration from file to jdbc makes this more complicated then
>> strictly necessary. If not for this feature we could make a war that only
>> had the JDBCResourceStore implementation.
>>
>> Does spring have a priority we could use to control extensions? Or we
>> could bust out a -D command line option (to tell the proxy what to use? -
>> with the default being the file based implementation).
>>
>
> I'm not aware of a bean priority that can be use for override in Spring.
>
> The existing approach in all GeoServer for this cases is to have a default
> implementation created programmatically unless
> a different one can be found using a scan of the application context.
> See how the ResourceAccessManager is looked up in SecureCatalogImpl, or
> check how the catalog facade is setup with jdbc config
> (the two approaches are different, both vaild).
>
> Cheers
> Andrea
>
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