public static IEnumerable <RasterInfo> QueryRasterInfos(string town, string type)
{
IEnumerable <RasterInfo> result;
using (DtContextDataContext dc = new DtContextDataContext())
{
switch (type)
{
case "2G":
result = dc.sp_get2GRasterInfos(town).Select(x =>
new RasterInfo
{
Area = x.area,
Coordinate0 = x.coordinate0,
Coordinate1 = x.coordinate1,
Coordinate2 = x.coordinate2,
Coordinate3 = x.coordinate3,
CsvFilesName2G = x.csvFilesName2G,
CsvFilesName3G = x.csvFilesName3G,
CsvFilesName4G = x.csvFilesName4G,
RasterNum = x.rasterNum
}).ToList();
break;
case "3G":
result = dc.sp_get3GRasterInfos(town).Select(x =>
new RasterInfo
{
Area = x.area,
Coordinate0 = x.coordinate0,
Coordinate1 = x.coordinate1,
Coordinate2 = x.coordinate2,
Coordinate3 = x.coordinate3,
CsvFilesName2G = x.csvFilesName2G,
CsvFilesName3G = x.csvFilesName3G,
CsvFilesName4G = x.csvFilesName4G,
RasterNum = x.rasterNum
}).ToList();
break;
default:
result = dc.sp_get4GRasterInfos(town).Select(x =>
new RasterInfo
{
Area = x.area,
Coordinate0 = x.coordinate0,
Coordinate1 = x.coordinate1,
Coordinate2 = x.coordinate2,
Coordinate3 = x.coordinate3,
CsvFilesName2G = x.csvFilesName2G,
CsvFilesName3G = x.csvFilesName3G,
CsvFilesName4G = x.csvFilesName4G,
RasterNum = x.rasterNum
}).ToList();
break;
}
}
return(result);
}
public static IEnumerable <AreaTestDate> QueryTestDateInfos()
{
IEnumerable <AreaTestDate> result;
using (DtContextDataContext dc = new DtContextDataContext())
{
result = dc.AreaTestDate.ToList();
}
return(result);
}
public static IEnumerable <CsvFilesInfo> QueryDtFileInfos(string district)
{
IEnumerable <CsvFilesInfo> result;
using (DtContextDataContext dc = new DtContextDataContext())
{
result =
dc.CsvFilesInfo.Where(x =>
x.CsvFileName.IndexOf(district, StringComparison.Ordinal) >= 0).ToList();
}
return(result);
}
public static IEnumerable <CsvFilesInfo> QueryDtFileInfos(string district, string keyword, string type)
{
IEnumerable <CsvFilesInfo> result;
using (DtContextDataContext dc = new DtContextDataContext())
{
result = dc.sp_getDtFileInfos(keyword, district, type).Select(x =>
new CsvFilesInfo
{
CsvFileName = x.csvFileName,
DataType = x.dataType,
Direct = x.direct,
TestDate = x.testDate
}).ToList();
}
return(result);
}
private static IEnumerable <TRecord> QueryFileRecordsFromPoints <TRecord>(
IEnumerable <IGeoPointReadonly <double> > points, double range,
Func <IEnumerable <RasterInfo>, IEnumerable <Tuple <string, int> > > rasterInfosGetter,
Func <string, int, IEnumerable <TRecord> > recordsGetter)
{
List <TRecord> result = new List <TRecord>();
using (DtContextDataContext dc = new DtContextDataContext())
{
IEnumerable <Tuple <string, int> > rasterInfos
= rasterInfosGetter(dc.RasterInfo.ToList().Query(points, range));
foreach (Tuple <string, int> info in rasterInfos)
{
result.AddRange(recordsGetter(info.Item1, info.Item2));
}
}
return(result);
}
private static List <TRecords> QueryFileRecords <TRecords>(string fileName, string spName,
int rasterNum = -1)
where TRecords : class, IDataReaderImportable, new()
{
List <TRecords> result = new List <TRecords>();
using (DtContextDataContext dc = new DtContextDataContext())
{
SqlConnection conn = new SqlConnection(dc.Connection.ConnectionString);
conn.Open();
using (SqlCommand cmd = new SqlCommand(spName, conn))
{
cmd.CommandType = CommandType.StoredProcedure;
cmd.Parameters.Add(new SqlParameter
{
ParameterName = "@tableName",
SqlDbType = SqlDbType.VarChar,
Value = fileName
});
if (rasterNum >= 0)
{
cmd.Parameters.Add(new SqlParameter
{
ParameterName = "@rasterNum",
SqlDbType = SqlDbType.Int,
Value = rasterNum
});
}
using (DbDataReader dr = cmd.ExecuteReader())
{
while (dr.Read())
{
TRecords item = new TRecords();
item.Import(dr);
result.Add(item);
}
}
}
conn.Close();
}
return(result);
}