Method init

solr/core/src/java/org/apache/solr/search/SolrCache.java:62–62

The initialization routine. Instance specific arguments are passed in the args map. The persistence object will exist across different lifetimes of similar caches. For example, all filter caches will share the same persistence object, sometimes at the same time (it must be thread-sa

(Map<String, String> args, Object persistence, CacheRegenerator regenerator)

   * item in the new cache from an entry in the old cache.
   */
  public Object init(Map<String, String> args, Object persistence, CacheRegenerator regenerator);

  // I don't think we need a factory for faster creation given that these
  // will be associated with slow-to-create SolrIndexSearchers.