'use strict'; load('jstests/concurrency/fsm_libs/extend_workload.js'); // for extendWorkload load('jstests/concurrency/fsm_example.js'); // for $config // extendWorkload takes a $config object and a callback, and returns an extended $config object. var $config = extendWorkload($config, function($config, $super) { // In the callback, $super is the base workload definition we're // extending, // and $config is the extended workload definition we're creating. // You can replace any properties on $config, including methods you // want to override. $config.setup = function(db, collName, cluster) { // Overridden methods should usually call the corresponding // method on $super. $super.setup.apply(this, arguments); db[collName].ensureIndex({exampleIndexedField: 1}); }; return $config; });