public Example()
{
var olympics = new LeapYearSchedule() { Frequency = 1 };
var inauguration = new DateTime(1896, 1, 1);
var from = new DateTime(2000, 12, 31);
var to = new DateTime(2020, 1, 1);
foreach (var d in olympics.GetOccurrences(inauguration, from).TakeWhile<DateTime>(dt => dt <= to))
Console.WriteLine(d);
foreach (var s in Generate())
{
Console.WriteLine(s.GetType().Name);
// the standard formatter doesn't know about our custom schedule, so we can't call
// ScheduleFormatter.Format(), and it also won't print if we use the visitor pattern
// LeapYearSchedule.Accept(ScheduleFormatter())
var standard = new ScheduleFormatter();
s.Accept(standard);
Console.WriteLine("Standard: {0}", standard.Description);
// our extended formatter will print all existing schedules, including our custom one
var extended = new ExtendedFormatter();
s.Accept(extended);
Console.WriteLine("Extended: {0}", extended.Description);
}
}
public Example()
{
var olympics = new LeapYearSchedule()
{
Frequency = 1
};
var inauguration = new DateTime(1896, 1, 1);
var from = new DateTime(2000, 12, 31);
var to = new DateTime(2020, 1, 1);
foreach (var d in olympics.GetOccurrences(inauguration, from).TakeWhile <DateTime>(dt => dt <= to))
{
Console.WriteLine(d);
}
foreach (var s in Generate())
{
Console.WriteLine(s.GetType().Name);
// the standard formatter doesn't know about our custom schedule, so we can't call
// ScheduleFormatter.Format(), and it also won't print if we use the visitor pattern
// LeapYearSchedule.Accept(ScheduleFormatter())
var standard = new ScheduleFormatter();
s.Accept(standard);
Console.WriteLine("Standard: {0}", standard.Description);
// our extended formatter will print all existing schedules, including our custom one
var extended = new ExtendedFormatter();
s.Accept(extended);
Console.WriteLine("Extended: {0}", extended.Description);
}
}
public virtual string Format(LeapYearSchedule schedule)
{
if (schedule.Frequency == 1)
return "Every leap year";
else
return String.Format("Every {0} leap years", schedule.Frequency);
}
public virtual string Format(LeapYearSchedule schedule)
{
if (schedule.Frequency == 1)
{
return("Every leap year");
}
else
{
return(String.Format("Every {0} leap years", schedule.Frequency));
}
}
public virtual void Visit(LeapYearSchedule schedule)
{
OnDescriptionChanged(schedule, Format(schedule));
}
public virtual void Visit(LeapYearSchedule schedule) { OnDescriptionChanged(schedule, Format(schedule)); }