private void checkSyntax() {
		
		for (SupportOrder o : supportOrders){
			if (!o.isValidOrder())
				o.setState(Order.FAILED);
		}
		
		for (MoveOrder o : moveOrders){
			if (!o.isValidOrder())
				o.setState(Order.FAILED);
		}
		
		for (ConvoyOrder o : convoyOrders){
			if (!o.isValidOrder())
				o.setState(Order.FAILED);
		}
		
		for (AttackOrder o : attackOrders){
			if (!o.isValidOrder())
				o.setState(Order.FAILED);
			else if (o.getConvoyPath().size() == 0)
				o.setState(Order.CHECKED_WAITING);
		}
	}