Discussing with Devon here, would like to look at fixing the proxy
tomorrow. The alias can be a backup plan - I will make a comment on the
pull request.
--
Jody Garnett
On 16 February 2016 at 15:57, Devon Tucker <[email protected]> wrote:
> 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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