* com.technopobia.substeps.jmx.SubstepsMBean#prepareExecutionConfig(com
* .technophobia.substeps.runner.ExecutionConfig)
*/
public RootNode prepareExecutionConfig(final SubstepsExecutionConfig theConfig) {
// TODO - synchronise around the init call ?
this.nodeRunner = new ExecutionNodeRunner();
return this.nodeRunner.prepareExecutionConfig(theConfig);
}