Hi
I don't see your requirement clearly. Sounds like what you really need is an
UpdateRequestProcessor where you CAN intercept docs being added and modify them
as you wish.
https://lucene.apache.org/solr/guide/7_7/update-request-processors.html
--
Jan Høydahl, search solution architect
Cominvent AS - www.cominvent.com
> 1. mai 2019 kl. 22:31 skrev Maria Muslea <maria.mus...@gmail.com>:
>
> Hi,
>
> I have a plugin that extends the AbstractSolrEventListener. I override the
> newSearcher() method and the plan is to add some extra functionality,
> namely updating existing documents by setting new values for existing
> fields as well as adding new fields to the documents.
>
> I can see that the plugin is invoked and I can get the list of documents,
> but I cannot update existing fields or add new fields. I have tried various
> approaches, but I cannot get it to work.
>
> If you have any suggestions I would really appreciate it. The code that I
> am currently trying is below.
>
> Thank you,
> Maria
>
> for (DocIterator iter = docs.iterator(); iter.hasNext();) {
>
> int doci = iter.nextDoc();
>
> Document document = newSearcher.doc(doci);
>
>
>
> SolrInputDocument solrInputDocument1 = new SolrInputDocument();
>
> AddUpdateCommand addUpdateCommand1 = new AddUpdateCommand(req);
>
> addUpdateCommand1.clear();
>
> solrInputDocument1.setField("id", document.get("id"));
>
> solrInputDocument1.addField("newfield", "newvalue");
>
> solrInputDocument1.setField("existingfield", "value");
>
> addUpdateCommand1.solrDoc = solrInputDocument1;
>
> getCore().getUpdateHandler().addDoc(addUpdateCommand1);
>
>
> SolrQueryResponse re = new SolrQueryResponse();
>
> SolrQueryRequest rq = new LocalSolrQueryRequest(getCore(), new
> ModifiableSolrParams());
>
> CommitUpdateCommand commit = new CommitUpdateCommand(rq,false);
>
> getCore().getUpdateHandler().commit(commit);
>
>
> }
