IEnumerator <T> RetainEnumerator()
{
if (enumerator == null)
{
enumerator = new CustomEnumerator(this);
isEnumeratorRetained = true;
return(enumerator);
}
else
{
if (isEnumeratorRetained)
{
// sorry, this.enumerator is retained,
// so would produce base enumerator
return(base.GetEnumerator());
}
else
{
// not retained, so will just return an instance
isEnumeratorRetained = true;
// reset it with special public method
enumerator.MyReset();
return(enumerator);
}
}
}
void ReleaseEnumerator(CustomEnumerator enumerator)
{
if (ReferenceEquals(enumerator, this.enumerator))
{
// the reference equals, so it is ok to release
isEnumeratorRetained = false;
}
}
static void Main(string[] args)
{
var someData = Enumerable.Range(0, 1000000000).ToList();
StringBuilder sb = new StringBuilder();
sb.Append("for Property " + For.Property(someData) + Environment.NewLine);
sb.Append("for Variable " + For.Variable(someData.Count) + Environment.NewLine);
sb.Append("parallel For Property " + ParallelFor.Property(someData) + Environment.NewLine);
sb.Append("parallel For Variable " + ParallelFor.Variable(someData.Count) + Environment.NewLine);
sb.Append("while Variable " + While.Variable(someData.Count) + Environment.NewLine);
sb.Append("while Property " + While.Property(someData) + Environment.NewLine);
sb.Append("do While Variable " + DoWhile.Variable(someData.Count) + Environment.NewLine);
sb.Append("do While Property " + DoWhile.Property(someData) + Environment.NewLine);
sb.Append("foreach A " + Foreach.Test(someData) + Environment.NewLine);
sb.Append("foreach B " + Foreach.BasicTestOne(someData) + Environment.NewLine);
sb.Append("foreach C " + Foreach.BasicTestTwo(someData) + Environment.NewLine);
sb.Append("parallel Foreach " + ParallelForEach.Test(someData) + Environment.NewLine);
sb.Append("foreach Linq A " + ForeachLinq.Test(someData) + Environment.NewLine);
sb.Append("foreach Linq B " + ForeachLinq.BasicForEach(someData) + Environment.NewLine);
System.IO.File.WriteAllText(Environment.GetFolderPath(Environment.SpecialFolder.Desktop) + "\\loop.txt", sb.ToString());
//set break point in CustomEnumerator method and debug
var list = new CustomEnumerator();
foreach (Person item in list)
{
}
Console.ReadLine();
}
public void SelectPrevPart()
{
if (_partEnumerator == null)
{
_partEnumerator = Model.Parts.GetCustomEnumerator();
}
else
{
SelectedPart.Selected = false;
}
if (_partEnumerator.MovePrev())
{
SelectedPart = _partEnumerator.Current;
SelectedPart.Selected = true;
}
else
{
_partEnumerator = null;
SelectedPart = null;
}
}
public new CustomEnumerator GetEnumerator()
{
_enumerator = new CustomEnumerator(base.GetEnumerator(), this);
return(_enumerator);
}
public new IEnumerator <T> GetEnumerator()
{
_enumerator = new CustomEnumerator(base.GetEnumerator());
return(_enumerator);
}
public CustomEnumerable(IEnumerable <T> source)
{
_internalEnumerator = new CustomEnumerator <T>(source.GetEnumerator());
}