* @see Scheduler
* @since 0.2.1
*/
public Spider setScheduler(Scheduler scheduler) {
checkIfRunning();
Scheduler oldScheduler = this.scheduler;
this.scheduler = scheduler;
if (oldScheduler != null) {
Request request;
while ((request = oldScheduler.poll(this)) != null) {
this.scheduler.push(request, this);
}
}
return this;
}