本文整理汇总了C#中IReadOnlyCollection.ToLookup方法的典型用法代码示例。如果您正苦于以下问题：C# IReadOnlyCollection.ToLookup方法的具体用法？C# IReadOnlyCollection.ToLookup怎么用？C# IReadOnlyCollection.ToLookup使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类IReadOnlyCollection的用法示例。
在下文中一共展示了IReadOnlyCollection.ToLookup方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: AutoCreateGroupsWithRelatedSeries
/// <summary>
/// Creates <see cref="AnimeGroup"/> that contain <see cref="AnimeSeries"/> that appear to be related.
/// </summary>
/// <remarks>
/// This method assumes that there are no active transactions on the specified <paramref name="session"/>.
/// </remarks>
/// <param name="session">The NHibernate session.</param>
/// <param name="seriesList">The list of <see cref="AnimeSeries"/> to create groups for.</param>
/// <returns>A sequence of the created <see cref="AnimeGroup"/>s.</returns>
private IEnumerable<AnimeGroup> AutoCreateGroupsWithRelatedSeries(ISessionWrapper session, IReadOnlyCollection<AnimeSeries> seriesList)
{
_log.Info("Auto-generating AnimeGroups for {0} AnimeSeries based on aniDB relationships", seriesList.Count);
DateTime now = DateTime.Now;
var grpCalculator = AutoAnimeGroupCalculator.CreateFromServerSettings(session);
_log.Info("The following exclusions will be applied when generating the groups: " + grpCalculator.Exclusions);
// Group all of the specified series into their respective groups (keyed by the groups main anime ID)
var seriesByGroup = seriesList.ToLookup(s => grpCalculator.GetGroupAnimeId(s.AniDB_ID));
var newGroupsToSeries = new List<Tuple<AnimeGroup, IReadOnlyCollection<AnimeSeries>>>(seriesList.Count);
foreach (var groupAndSeries in seriesByGroup)
{
int mainAnimeId = groupAndSeries.Key;
AnimeSeries mainSeries = groupAndSeries.FirstOrDefault(series => series.AniDB_ID == mainAnimeId);
AnimeGroup animeGroup = CreateAnimeGroup(session, mainSeries, mainAnimeId, now);
newGroupsToSeries.Add(new Tuple<AnimeGroup, IReadOnlyCollection<AnimeSeries>>(animeGroup, groupAndSeries.AsReadOnlyCollection()));
}
using (ITransaction trans = session.BeginTransaction())
{
_animeGroupRepo.InsertBatch(session, newGroupsToSeries.Select(gts => gts.Item1).AsReadOnlyCollection());
trans.Commit();
}
// Anime groups should have IDs now they've been inserted. Now assign the group ID's to their respective series
// (The caller of this method will be responsible for saving the AnimeSeries)
foreach (var groupAndSeries in newGroupsToSeries)
{
foreach (AnimeSeries series in groupAndSeries.Item2)
{
series.AnimeGroupID = groupAndSeries.Item1.AnimeGroupID;
}
}
_log.Info("Generated {0} AnimeGroups", newGroupsToSeries.Count);
return newGroupsToSeries.Select(gts => gts.Item1);
}