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From "Jason Gerlowski (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-8097) Implement a builder pattern for constructing a Solrj client
Date Tue, 09 Feb 2016 02:38:18 GMT

    [ https://issues.apache.org/jira/browse/SOLR-8097?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15138253#comment-15138253
] 

Jason Gerlowski commented on SOLR-8097:
---------------------------------------

Looks like the only remaining *Server variants are {{EmbeddedSolrServer}} (appears to only
be used in tests, and the map-reduce contrib module), and {{EmbeddedTestSolrServer}} (lives
in the morphline-core contrib module).  My guess is that it's probably not worth writing a
builder for these, since their use is restricted, and they don't really suffer from the too-many-ctor-args
problem that the other SolrClients seem to.

> 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: Trunk
>            Reporter: Hrishikesh Gadre
>            Priority: Minor
>         Attachments: 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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