public CenteredAlbumViewModel(IList<IAlbum> iAlbums, IMusicSession isession)
{
Albums = iAlbums;
AlbumDistanceComparerFactory adcf = new AlbumDistanceComparerFactory(isession);
_OrderByAfinity = new AfinityCollection<IAlbum>(this.Albums, al => adcf.GetComparer(al), 50);
AffinityOrderedCollection = _OrderByAfinity.Collection;
//CenterAlbum = Albums.MaxBy(isession.AlbumSorter.Sorter);
_OrderByAfinity.Reference = Albums.MaxBy(isession.AlbumSorter.Sorter);
ChangeArtist = RelayCommand.Instanciate(DoChangeArtist);
ChangeGenre = RelayCommand.Instanciate(DoChangeGenre);
Random = RelayCommand.Instanciate(DoRandom);
ChangeAlbum = RelayCommand.Instanciate(DoChangeAlbum);
Center = RelayCommand.Instanciate<IAlbum>(al => CenterAlbum = al);
}
public void TestPef()
{
_IMusicSession.AllAlbums.Should().HaveCount(2860);
for (int k = 0; k < 10; k++)
{
AlbumDistanceComparerFactory adcf = new AlbumDistanceComparerFactory(_IMusicSession);
TimeTracer tr2 = TimeTracer.TimeTrack("100 Building Comparator Cache");
List<IUpdatableComparer<IAlbum>> cts = new List<IUpdatableComparer<IAlbum>>();
using (tr2)
{
for (int i = 0; i < 100; i++)
{
IUpdatableComparer<IAlbum> ct = adcf.GetComparer(_IMusicSession.AllAlbums[10]);
cts.Add(ct);
}
}
}
}
public void Test_functional_AfinityAlbumComparer()
{
_IMusicSession.AllAlbums.Should().HaveCount(3377);
_IMusicSession.AllTracks.Should().HaveCount(23996);
var first = _IMusicSession.AllAlbums.First();
first.Artists.Should().HaveCount(3);
//AfinityAlbumComparer target = new AfinityAlbumComparer(_IMusicSession, first);
IUpdatableComparer<IAlbum> target = new AlbumDistanceComparerFactory(_IMusicSession).GetComparer(first);
_IMusicSession.AllAlbums.MinBy(target).Should().Be(first);
var second = _IMusicSession.AllAlbums.Skip(1).MinBy(target);
second.Artists.Apply(a => first.Artists.Should().Contain(a));
first.Artists.Apply(a => second.Artists.Should().Contain(a));
target.MonitorEvents();
using (var mod = second.GetModifiableAlbum())
{
mod.Artists.Clear();
mod.Artists.Add(_IMusicSession.CreateArtist("Teste Artist"));
mod.Commit();
}
second.Artists.Should().HaveCount(1);
second.Artists.First().Name.Should().Be("Teste Artist");
target.ShouldRaise("OnElementChanged").WithSender(target).WithArgs<ElementChangedArgs<IAlbum>>(a => a.Element == second);
var newsecond = _IMusicSession.AllAlbums.Skip(1).MinBy(target);
newsecond.Should().NotBe(second);
}
private void OrderTotalFastParellel(IAlbum ial)
{
Console.WriteLine("Album Reference {0}", ial);
//AfinityAlbumComparer ct = new AfinityAlbumComparer(_IMusicSession, ial);
IUpdatableComparer<IAlbum> ct = new AlbumDistanceComparerFactory(_IMusicSession).GetComparer(ial);
for (int k = 0; k < 5; k++)
{
TimeTracer tr2 = TimeTracer.TimeTrack(string.Format("50 odering parcial(50) with album {0}", ial));
using (tr2)
{
List<List<IAlbum>> ll = new List<List<IAlbum>>();
for (int i = 0; i < 50; i++)
{
var myres = _IMusicSession.AllAlbums.SortFirstParallel(50, ct);
ll.Add(myres.ToList());
}
}
}
}
