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https://issues.apache.org/jira/browse/SOLR-243?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12500261
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John Wang commented on SOLR-243:
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Hi Yonik:
1) context in factory: I am not sure how the interface would look like,
suggestions?
2) I catch the exception to default to the normal IndexReader.open mechanism.
3) I just picked it to be an interface, I think making it an abstract class is
fine.
thanks
-John
> Create a hook to allow custome code to create custome index readers
> -------------------------------------------------------------------
>
> Key: SOLR-243
> URL: https://issues.apache.org/jira/browse/SOLR-243
> Project: Solr
> Issue Type: Improvement
> Components: search
> Affects Versions: 1.3
> Environment: Solr core
> Reporter: John Wang
> Fix For: 1.3
>
> Attachments: indexReaderFactory.patch, indexReaderFactory.patch
>
>
> I have a customized IndexReader and I want to write a Solr plugin to use my
> derived IndexReader implementation. Currently IndexReader instantiation is
> hard coded to be:
> IndexReader.open(path)
> It would be really useful if this is done thru a plugable factory that can be
> configured, e.g. IndexReaderFactory
> interface IndexReaderFactory{
> IndexReader newReader(String name,String path);
> }
> the default implementation would just return: IndexReader.open(path)
> And in the newSearcher and getSearcher methods in SolrCore class can call the
> current factory implementation to get the IndexReader instance and then build
> the SolrIndexSearcher by passing in the reader.
> It would be really nice to add this improvement soon (This seems to be a
> trivial addition) as our project really depends on this.
> Thanks
> -John
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