question: static void putEntityConfig ( String realm , String entityId , EntityConfigElement config ) { String cacheKey = buildCacheKey ( realm , entityId ) ; if ( config != null ) { if ( debug . messageEnabled ( ) ) { debug . message ( "SAML2MetaCache.putEntityConfig: cacheKey = " + cacheKey ) ; } configCache . put ( cacheKey , config ) ; } else { if ( debug . messageEnabled ( ) ) { debug . message ( "SAML2MetaCache.putEntityConfig: delete cacheKey = " + cacheKey ) ; } configCache . remove ( cacheKey ) ; } }
target:  Adds extended entity configuration under the realm to cache.