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https://issues.apache.org/jira/browse/SOLR-8097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15237634#comment-15237634
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Jason Gerlowski commented on SOLR-8097:
---------------------------------------

I thought about doing that as a part of my patch, but it seemed like it might 
be handled best in a separate JIRA.  I'd be happy to push up a patch with that 
change in a sub-task if it's one that people are interested in.

One question I have is whether there's ever a valid use-case for 
changing/tweaking a SolrClient after creating it.  (i.e. Does anyone ever 
change their RequestWriter, zkHost, collection, etc, instead of just creating a 
new client).  I'm not implying that there is a good reason to do so, or that 
I'm against removing the setters (I'm all for it).  (Just want to make sure, 
after the issue I partially caused in SOLR-8642) 

> Implement a builder pattern for constructing a Solrj client
> -----------------------------------------------------------
>
>                 Key: SOLR-8097
>                 URL: https://issues.apache.org/jira/browse/SOLR-8097
>             Project: Solr
>          Issue Type: Improvement
>          Components: SolrJ
>    Affects Versions: master
>            Reporter: Hrishikesh Gadre
>            Assignee: Anshum Gupta
>             Fix For: master, 6.1
>
>         Attachments: SOLR-8097.patch, SOLR-8097.patch, SOLR-8097.patch, 
> SOLR-8097.patch, SOLR-8097.patch, SOLR-8097.patch, SOLR-8097.patch, 
> SOLR-8097.patch, SOLR-8097.patch, SOLR-8097.patch, SOLR-8097.patch, 
> SOLR-8097.patch, SOLR-8097.patch, SOLR-8097.patch
>
>
> Currently Solrj clients (e.g. CloudSolrClient) supports multiple constructors 
> as follows,
> public CloudSolrClient(String zkHost) 
> public CloudSolrClient(String zkHost, HttpClient httpClient) 
> public CloudSolrClient(Collection<String> zkHosts, String chroot)
> public CloudSolrClient(Collection<String> zkHosts, String chroot, HttpClient 
> httpClient)
> public CloudSolrClient(String zkHost, boolean updatesToLeaders)
> public CloudSolrClient(String zkHost, boolean updatesToLeaders, HttpClient 
> httpClient)
> It is kind of problematic while introducing an additional parameters (since 
> we need to introduce additional constructors). Instead it will be helpful to 
> provide SolrClient Builder which can provide either default values or support 
> overriding specific parameter. 



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