Method preClose

solr/core/src/java/org/apache/solr/core/CloseHook.java:40–40

Method called when the given SolrCore object is closing / shutting down but before the update handler and searcher(s) are actually closed Important: Keep the method implementation as short as possible. If it were to use any heavy i/o , network connections - it might be a better idea to l

(SolrCore core)

   * @param core SolrCore object that is shutting down / closing
   */
  default void preClose(SolrCore core) {}

  /**
   * Method called when the given SolrCore object has been shut down and update handlers and