Method swap

solr/core/src/java/org/apache/solr/core/CoreContainer.java:2042–2052

Swaps two SolrCore descriptors.

(String n0, String n1)

    }
  }

  /** Swaps two SolrCore descriptors. */
  public void swap(String n0, String n1) {
    apiAssumeStandalone();
    if (n0 == null || n1 == null) {
      throw new SolrException(SolrException.ErrorCode.BAD_REQUEST, "Can not swap unnamed cores.");
    }
    solrCores.swap(n0, n1);

    coresLocator.swap(this, solrCores.getCoreDescriptor(n0), solrCores.getCoreDescriptor(n1));

    log.info("swapped: {} with {}", n0, n1);
  }