[jboss-jira] [JBoss JIRA] Closed: (JBCACHE-328) Move attributes and getters/setters to interceptors

[Manik Surtani (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBCACHE-328?page=all ]

Manik Surtani closed JBCACHE-328.
---------------------------------

    Resolution: Won't Fix

A different approach is used instead.  Cache-wide configuration is encapsulated in a Configuration object, which is injected into each of the interceptors.  

This way the config can be managed independent of the interceptors.

> Move attributes and getters/setters to interceptors
> ---------------------------------------------------
>
>                 Key: JBCACHE-328
>                 URL: http://jira.jboss.com/jira/browse/JBCACHE-328
>             Project: JBoss Cache
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>            Reporter: Bela Ban
>         Assigned To: Manik Surtani
>             Fix For: 2.0.0
>
>
> Example: currently IsolationLevel is an attribute of TreeCache. Goal is to make it an attribute of PessimisticLockingInterceptor.
> Advantage:no unneeded methods in TreeCache, cluttering up the TreeCache class
> #1 Implicit Configuration (conceptual)
> --------------------
> <TreeCache>
>    <Replication>
>        <config> ... </config>
>        <mode>ASYNC</mode>
>     </Replication>
>     <IsolationLevel>
>          REPEATABLE-READ
>      </IsolationLevel>
> </TreeCache>
> This configures the interceptor chain
> #2 Explicit configuration
> ------------------------------------
> <TreeCache>
>    <Interceptor name="PessimisticLockingInterceptor"
>                      class="xxxx"
>                       level="REPEATABLE-READ" />
>     <Interceptor>...</Interceptor>
> </TreeCache>
> The chain is defined explicitly, attributes are defines per interceptor
> #3 JMX
> If JMx is used, JBossCache is registered with the MBeanServer, and all interceptors are registered under JBossCache, e.g.
> type=cache;name=JBossCache1
> type=cache;name=JBossCache1;interceptor_name=PessimisticLockingInterceptor
> type=cache;name=JBossCache1;interceptor_name=CacheLoaderInterceptor
> type=cache;name=JBossCache1;interceptor_name=ReplicationInterceptor
> #4 Programmatic access
> Can be done through JMX, but is not nice
> cache.getIsolationLevel() --> ((PessimisticLockingInterceptor)cache.getInterceptor("PessimisticLockingInterceptor")).getIsolationLevel()

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