/// <summary>
/// Determines whether the specified <see cref="T:System.Object"/> is equal to the current <see cref="T:System.Object"/>.
/// </summary>
/// <param name="obj">The <see cref="T:System.Object"/> to compare with the current <see cref="T:System.Object"/>.</param>
/// <returns>
/// true if the specified <see cref="T:System.Object"/> is equal to the current <see cref="T:System.Object"/>; otherwise, false.
/// </returns>
/// <exception cref="T:System.NullReferenceException">
/// The <paramref name="obj"/> parameter is null.
/// </exception>
public override bool Equals(object obj)
{
GroupingId other = obj as GroupingId;
if (other == null)
{
return(false);
}
if (_values.Count != other._values.Count)
{
return(false);
}
foreach (Dimension d in _values.Keys)
{
ValueFactoryWithOptionalConcreteValue thisValue = _values[d], otherValue;
Debug.Assert(thisValue != null);
if (!other._values.TryGetValue(d, out otherValue))
{
return(false);
}
if (!thisValue.ValueFactory.Equals(otherValue.ValueFactory))
{
return(false);
}
}
return(true);
}
/// <summary>
/// Explores the input (sub-)space. Each invocation may return a different set.
/// </summary>
/// <returns>
/// A (reasonably-sized) stream of vectors/values from the (sub-)space.
/// </returns>
public override IEnumerable <Vector> Explore()
{
Dictionary <GroupingId, List <Vector> > groups = new Dictionary <GroupingId, List <Vector> >();
foreach (Vector v in WrappedStrategies[0].Explore())
{
GroupingId group = new GroupingId(v, _groupingDimensions);
List <Vector> list;
if (!groups.TryGetValue(group, out list))
{
list = new List <Vector>();
groups.Add(group, list);
}
list.Add(v);
}
foreach (KeyValuePair <GroupingId, List <Vector> > group in groups)
{
foreach (Vector v in group.Value)
{
if (EnsureSameValuesForCategorizedValues)
{
group.Key.EnsureSameValuesForCategorizedValues(v);
}
yield return(v);
}
}
}
