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using System;
using System.Collections.Generic;
using System.Text;
using Regression;
using DataPerformer.Interfaces;
namespace DataPerformer
{
/// <summary>
/// Iterator with filter
/// </summary>
public abstract class FilterIterator : DataIteratorConsumer, IIterator
{
#region IIterator Members
void IIterator.Reset()
{
foreach (IIterator iterator in iterators)
{
iterator.Reset();
}
}
bool IIterator.Next()
{
if (iterators.Count == 0)
{
return false;
}
while (true)
{
foreach (IIterator iterator in iterators)
{
bool b = iterator.Next();
if (!b)
{
return false;
}
}
consumer.Reset();
consumer.UpdateChildrenData();
bool? n = AllowNext;
if (n != null)
{
if ((bool)n)
{
break;
}
}
}
return true;
}
#endregion
#region Specific Members
/// <summary>
/// The "allow next" sign
/// </summary>
protected abstract bool? AllowNext
{
get;
}
#endregion
}
}
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Ph. D. Petr Ivankov worked as scientific researcher at Russian Mission Control Centre since 1978 up to 2000. Now he is engaged by Aviation training simulators http://dinamika-avia.com/ . His additional interests are:
1) Noncommutative geometry
http://front.math.ucdavis.edu/author/P.Ivankov
2) Literary work (Russian only)
http://zhurnal.lib.ru/editors/3/3d_m/
3) Scientific articles
http://arxiv.org/find/all/1/au:+Ivankov_Petr/0/1/0/all/0/1