question: @ Override public void onInit ( List < ? extends IndexCommit > commits ) throws IOException { if ( commits . isEmpty ( ) ) { return ; } log . info ( "SolrDeletionPolicy.onInit: commits: {}" , new CommitsLoggingInfo ( commits ) ) ; log . debug ( "SolrDeletionPolicy.onInit: commits: {}" , new CommitsLoggingDebug ( commits ) ) ; updateCommits ( commits ) ; }
target:  Internal use for Lucene... do not explicitly call.