Method rename

solr/core/src/java/org/apache/solr/core/CoresLocator.java:57–57

Persist the new name of a renamed core @param cc the CoreContainer @param oldCD the CoreDescriptor of the core before renaming @param newCD the CoreDescriptor of the core after renaming

(CoreContainer cc, CoreDescriptor oldCD, CoreDescriptor newCD)

   * @param newCD the CoreDescriptor of the core after renaming
   */
  void rename(CoreContainer cc, CoreDescriptor oldCD, CoreDescriptor newCD);

  /**
   * Swap two core definitions