Hi Kevin, Isn't UpdateRequestProcessor enough for what you need? On Tue, Dec 18, 2018 at 1:29 PM Kevin Jia <kevin.ji...@edu.uwaterloo.ca> wrote:
> bounce > ------------------------------ > *From:* Kevin Jia > *Sent:* December 12, 2018 6:36:33 PM > *To:* dev@lucene.apache.org > *Subject:* Proposed Additional Hooks in SolrEventListener > > > Hi Everyone, > > > I'm looking to add Prospective Search functionality to Solr, similar to > what Luwak (https://github.com/flaxsearch/luwak) does - see existing JIRA > ticket : https://issues.apache.org/jira/browse/SOLR-4587 > <https://issues.apache.org/jira/browse/SOLR-4587?page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel&focusedCommentId=14202585#comment-14202585>. > To do this I need to maintain an in-memory cache that is in sync with the > document index (custom cache that is not a straightforwards field cache). > > To maintain my in-memory cache, I wanted to add functionality after > updates (in DirectUpdateHandler2) and SolrCore instantiation. Instead of > changing the code directly I wanted to add more hooks to SolrEventListener, > namely these: > > > public void postCoreConstruct(SolrCore core); > public void preAddDoc(AddUpdateCommand cmd); > public void postAddDoc(AddUpdateCommand cmd); > public void preDelete(DeleteUpdateCommand cmd); > public void postDelete(DeleteUpdateCommand cmd); > > > I also made a ticket: https://issues.apache.org/jira/browse/SOLR-4587. If > anyone ever needs similar custom behavior, they would be able to use > these hooks as well. > > Does anyone have any thoughts or suggestions on my proposed changes? Is > there a better way to do this? If not, I can submit a patch soon. > > > Best, > > Kevin > > >
