complex map / reduce example

complex.cs

public class MapReadingDocument
    {
        public MapReadingDocument()
        {
            Created = DateTimeOffset.Now;
            FederalInfo = new FederalCoordinates();
            TransmissionTech = TransmissionTechnology.AllOtherTransmissionTechs;
            MaxAdvertisedUp = new TransmissionSpeed();
            MaxAdvertisedDown = new TransmissionSpeed();
            TypicalUpload = new TransmissionSpeed();
            TypicalDownload = new TransmissionSpeed();
            DownloadSpeed= new TransmissionSpeed();
            UploadSpeed = new TransmissionSpeed();
        }

        public int Id { get; set; }
        public DateTimeOffset Created { get; set; }
        public string SurveyId { get; set; }
        public string StateAbbreviation { get; set; }
        public string ProviderName { get; set; }
        public string DoingBusinessAsName { get; set; }
        public string HoldingCompanyId { get; set; }
        public string HoldingCompanyName { get; set; }
        public int PopulationPassed { get; set; }
        public int HousingUnitsPassed { get; set; }
        public FederalCoordinates FederalInfo { get; set; }
        public TransmissionTechnology TransmissionTech { get; set; }
        public TransmissionSpeed MaxAdvertisedUp { get; set; }
        public TransmissionSpeed MaxAdvertisedDown { get; set; }
        public TransmissionSpeed TypicalUpload { get; set; }
        public TransmissionSpeed TypicalDownload { get; set; }
        public TransmissionSpeed DownloadSpeed { get; set; }
        public TransmissionSpeed UploadSpeed { get; set; }
    }

    public class TransmissionSpeed
    {
        public string TypeId { get; set; }
        public string Name { get; set; }
        public int MinimumSpeed { get; set; }
        public int MaximumSpeed { get; set; }
    }

    public class TransmissionTechnology
    {
        public string TypeId { get; set; }
        public string Name { get; set; }
    }

public class ProviderByStateAndService : AbstractIndexCreationTask<MapReadingDocument, ProviderByStateAndService.Result>
    {
        public class Result
        {
            public string StateAbbreviation { get; set; }
            public string StateFipsId { get; set; }
            public string ProviderName { get; set; }
            public string FccLicenseId { get; set; }
            public string HoldingCompanyId { get; set; }
            public string HoldingCompanyName { get; set; }
            public string TechnologyTypeId { get; set; }
            public string TechnologyTypeName { get; set; }
            public int PopulationPassed { get; set; }
            public int HousingUnitsPassed { get; set; }
            public string[] MappingDocuments { get; set; }
        }

        public ProviderByStateAndService()
        {
            Map = mdocs => from md in mdocs
                           select new
                                      {
                                          StateAbbreviation = md.StateAbbreviation,
                                          StateFipsId = md.FederalInfo.StateFipsId,
                                          ProviderName = md.ProviderName,
                                          FccLicenseId = md.FederalInfo.FccIdentifier,
                                          HoldingCompanyId = md.HoldingCompanyId,
                                          HoldingCompanyName = md.HoldingCompanyName,
                                          TechnologyTypeName = md.TransmissionTech.Name,
                                          TechnologyTypeId = md.TransmissionTech.TypeId,
                                          PopulationPassed = (int)md.PopulationPassed,
                                          HousingUnitsPassed = (int)md.HousingUnitsPassed,
                                          MappingDocuments = new string[] { md.Id.ToString() }
                                      };

            Reduce = results => from r in results
                                group r by new {r.FccLicenseId, r.ProviderName, r.StateAbbreviation, r.HoldingCompanyId, r.HoldingCompanyName, r.TechnologyTypeId, r.TechnologyTypeName, r.StateFipsId}
                                into g
                                select new
                                           {
                                               StateAbbreviation = g.Key.StateAbbreviation,
                                               StateFipsId = g.Key.StateFipsId,
                                               ProviderName = g.Key.ProviderName,
                                               FccLicenseId = g.Key.FccLicenseId,
                                               HoldingCompanyId = g.Key.HoldingCompanyId,
                                               HoldingCompanyName = g.Key.HoldingCompanyName,
                                               TechnologyTypeName = g.Key.TechnologyTypeName,
                                               TechnologyTypeId = g.Key.TechnologyTypeId,
                                               PopulationPassed = g.Sum(x => (int)x.PopulationPassed),
                                               HousingUnitsPassed = g.Sum(x => (int)x.HousingUnitsPassed),
                                               MappingDocuments = g.SelectMany(x => x.MappingDocuments).Distinct().ToArray()
                                           };

            Store(x => x.PopulationPassed, FieldStorage.Yes);
            Store(x => x.HousingUnitsPassed, FieldStorage.Yes);

            Index(x => x.ProviderName, FieldIndexing.Analyzed);
            Index(x => x.TechnologyTypeId, FieldIndexing.NotAnalyzed);

        }
    }