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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-10416" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-970b47b8-c82b-4021-b539-abacb9891abd" height="16" width="16" border="0" align="absmiddle" alt="Improvement" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-10416" style="color: #3b73af; text-decoration: none">HHH-10416</a> </td>
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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-10416" style="color: #3b73af; text-decoration: none">Drop superfluous immutable-entity cache configuration</a> </span> </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Change By:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="pferraro" id="email_pferraro" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=pferraro" style="color:#6c797f;; color: #3b73af; text-decoration: none">Paul Ferraro</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <span class="diffcontext">The entity and immutable-entity cache configurations are exactly the same. Rather than force users to define them, let's default the immutable-entity configuration to the entity configuration - the same way we do for the collection and natural id regions.</span> <span class="diffaddedchars" style="background-color:#ddfade;"><br><br>We just need to change org.hibernate.cache.infinispan.InfinispanRegionFactory from:<br>{code}<br>immutableEntityOverrides.setCacheName( DEF_IMMUTABLE_ENTITY_RESOURCE );<br>{code}<br>To:<br>{code}<br>immutableEntityOverrides.setCacheName( DEF_ENTITY_RESOURCE );<br>{code}<br><br>So that the immutableEntity defaults to the "entity" cache settings. <br><br>And remove DEF_IMMUTABLE_ENTITY_RESOURCE. <br><br>from irc conversation:<br>{quote}<br><pferraro> smarlow: question - what is the point of the immutable-entity cache configuration?<br><pferraro> smarlow: the config looks to be the same as for the entity cache configuration<br><smarlow> yup, weird huh? :)<br><smarlow> the problem is that its sort of immutable<br><pferraro> smarlow: are immutable entities stored in a separate region?<br><smarlow> Hibernate application code is not allowed to update the entity but can remove it<br><pferraro> where remove = evict?<br><smarlow> pferraro: @Immutable entities are stored in a separate cache. I mean "remove" as in delete from the database<br><pferraro> smarlow: I see, but why do we need a separate cache configuration? why can't we reuse the entity cache configuration? like we do for the collection region?<br><pferraro> smarlow: it would still get its own cache - but it would be configured the same as for mutable entities<br><smarlow> that sounds good, is that a code change or config file?<br><smarlow> the Hibernate equivalent is at https://github.com/hibernate/hibernate-orm/blob/master/hibernate-infinispan/src/main/resources/org/hibernate/cache/infinispan/builder/infinispan-configs.xml#L30<br><pferraro> it would be logic to be handled via the infinispan region factory<br><pferraro> so - with the collection region - the InfinispanRegionFactory creates a cache based on a configuration called "entity", unless overridden<br><pferraro> I don't understand why we wouldn't do the same for immutable entities<br><pferraro> I'm thinking this should be changed here: https://github.com/hibernate/hibernate-orm/blob/master/hibernate-infinispan/src/main/java/org/hibernate/cache/infinispan/InfinispanRegionFactory.java#L520<br><pferraro> lines 527-529, dictate the cache configuration used for collections if there is no "collection" cache config defined<br><pferraro> So, line 525 should do the same for immutable entities<br><pferraro> meaning, it should read: immutableEntityOverrides.setCacheName( DEF_ENTITY_RESOURCE );<br><pferraro> that way, we don't need to define an superfluous "immutable-entity" cache configuration anywhere, since it is just a copy of the entity configuration<br>{quote}</span> </td>
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