Can a judge order a mistrial in a case simply, so he may attend a Dr. appointment?

Can a fair trial be had when a deadline of 5pm the same day is placed upon the proceedings? Is this in violation of the Due Process right to a fair trial guaranteed by the 14th amendment to the constitution?

Was ineffective assistance of counsel committed by failing to object a mistrial despite my obvious desire to have the case completed by the first tribunal?

Was a second trial barred by the double jeopardy clause of the constitution?

Can a prosecutor use his calendaring authority to allow himself a trial run of a case of unsure outcome?

Can a judge order a mistrial in a case simply, so he may attend a Dr. appointment?