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https://issues.apache.org/jira/browse/SOLR-16368?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17608845#comment-17608845
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Eric Pugh commented on SOLR-16368:
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So, most of the references to the HttpSolrClient in the tests are JUST to get a
base url or the httpClient... If we could somehow just get that from the test
infrastructure, then we would have many fewer references to HttpSolrClient.
> Refactoring: Use SolrClient type instead of overly specific subclasses
> ----------------------------------------------------------------------
>
> Key: SOLR-16368
> URL: https://issues.apache.org/jira/browse/SOLR-16368
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: David Smiley
> Assignee: Eric Pugh
> Priority: Minor
> Time Spent: 50m
> Remaining Estimate: 0h
>
> There are many references to a specific SolrClient subclass that could simply
> refer to SolrClient generally, or perhaps CloudSolrClient. This impedes
> switching/migrating to different SolrClient implementations. A similar
> example: we know it's a bad practice to declare a List as ArrayList even when
> it is one; the idea here with SolrClient is the same.
> And furthermore, often times "var solrClient = ..." (or even "var solr =
> ...") is totally adequate in the Solr codebase within a method because the
> variable name adequately communicates the type. These sorts of changes
> should happen first, and then weaken type references in APIs.
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