public static void Main()
{
var jq = new JobQueue();
// One user submits three jobs at time=27
var rid1 = jq.Submit(new Ip("62.150.83.11"), 27);
_ = jq.Submit(new Ip("62.150.83.11"), 27);
// One user submits three jobs at time=27
var rid3 = jq.Submit(new Ip("62.150.83.11"), 27);
// One job is executed
jq.ExecuteOne();
// Another user submits two jobs at time=55
_ = jq.Submit(new Ip("130.225.17.5"), 55);
_ = jq.Submit(new Ip("130.225.17.5"), 55);
// One more job is executed
jq.ExecuteOne();
// The first user tries to cancel his first and last job
jq.Cancel(rid1);
jq.Cancel(rid3);
// The remaining jobs are executed
while (jq.ExecuteOne() != null)
{
}
}