SOLR-8146 decouple building url list from CloudSolrClient to separate class for… #147
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I am suggesting to decouple building the url list from CloudSolrClient.sendRequest(..) to a separate class. The advantage will be the ability to easily write unit test for building the url list part and as we implement more routingRules for querying like query only the same rack replica's / OR query replica's where mem/cpu/disk utilisation is below a threshold can be easily unit tested etc.
I can add more tests if approach looks good. Please review.