private IEnumerable <mwc.Incumbent> GetIncumbentsFromTable(string tableName, string partitionKey, IncumbentType incumbentType)
{
// Todo: this is a temporary method provided until the backend supports retriving incumbents of type "tv_us"
Microsoft.WhiteSpaces.AzureTableAccess.AzureTableOperation azureTableOperations = new Microsoft.WhiteSpaces.AzureTableAccess.AzureTableOperation();
string tableQuery = TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, partitionKey);
if (incumbentType != IncumbentType.None)
{
tableQuery = TableQuery.CombineFilters(tableQuery, TableOperators.And, TableQuery.GenerateFilterConditionForInt("Type", QueryComparisons.Equal, (int)incumbentType));
}
IEnumerable <mwc.Incumbent> tvEngDataList = azureTableOperations.GetAllEntities <CDBSTvEngData>(tableName, tableQuery)
.Select(cdbsTvEndData =>
{
List <Position> contourPoints = WhitespacesManager.GetContourPointsSpaceSeperator(cdbsTvEndData.Contour);
mwc.Incumbent incumbent = new mwc.Incumbent(
cdbsTvEndData.CallSign,
cdbsTvEndData.Channel,
contourPoints,
null,
incumbentType,
null,
new Location(cdbsTvEndData.Latitude, cdbsTvEndData.Longitude));
return(incumbent);
});
return(tvEngDataList);
}
private static List <mwc.Incumbent> ParseRawIncumbents(IncumbentType incumbentType, object[] rawIncumbents, IEnumerable <int> channels)
{
dynamic incumbentList = null;
List <mwc.Incumbent> incumbents = new List <mwc.Incumbent>();
if (rawIncumbents != null)
{
switch (incumbentType)
{
case IncumbentType.MVPD:
incumbentList = WhitespacesManager.GetDeserializedIncumbents <MVPDRegistration>(rawIncumbents);
break;
case IncumbentType.LPAux:
case IncumbentType.UnlicensedLPAux:
incumbentList = WhitespacesManager.GetDeserializedIncumbents <LPAuxRegistration>(rawIncumbents);
break;
case IncumbentType.TBAS:
incumbentList = WhitespacesManager.GetDeserializedIncumbents <TempBASRegistration>(rawIncumbents);
break;
case IncumbentType.TV_US:
// TODO: Logic to de-serialize TV_US incumbents type. [Need to wait until back-end supports this]
break;
}
if (incumbentList != null)
{
foreach (object incumbent in incumbentList)
{
mwc.Incumbent incumbentModel = WhitespacesManager.GetIncumbent(incumbent, incumbentType);
incumbents.Add(incumbentModel);
}
}
if (channels != null)
{
IEnumerable <mwc.Incumbent> filteredIncumbents = WhitespacesManager.FilterIncumbentsByChannel(incumbents, channels);
incumbents = filteredIncumbents != null?filteredIncumbents.ToList() : incumbents;
}
}
return(incumbents);
}
private static mwc.Incumbent GetIncumbent(object incumbent, IncumbentType requestedIncumbentType)
{
mwc.Incumbent incumbentModel = null;
if (incumbent is MVPDRegistration)
{
MVPDRegistration mvpdRegistration = (MVPDRegistration)incumbent;
// TODO: BroadcastStationContour was removed
// List<Position> contourPoints = WhitespacesManager.GetContourPoints(mvpdRegistration.BroadcastStationContour);
List <Position> contourPoints = new List <Position>();
incumbentModel = new mwc.Incumbent(
mvpdRegistration.Channel.CallSign,
mvpdRegistration.ChannelNumber,
contourPoints,
null,
requestedIncumbentType,
mvpdRegistration.Location,
mvpdRegistration.TransmitLocation);
}
else if (incumbent is TempBASRegistration)
{
TempBASRegistration tempBasRegistration = (TempBASRegistration)incumbent;
// TODO: BroadcastStationContour was removed
// List<Position> contourPoints = WhitespacesManager.GetContourPoints(tempBasRegistration.BroadcastStationContour);
List <Position> contourPoints = new List <Position>();
incumbentModel = new mwc.Incumbent(
tempBasRegistration.Channel.CallSign,
tempBasRegistration.ChannelNumber,
contourPoints,
tempBasRegistration.Event,
requestedIncumbentType,
tempBasRegistration.RecvLocation,
tempBasRegistration.TransmitLocation);
}
else if (incumbent is LPAuxRegistration)
{
LPAuxRegistration lpAuxIncumbent = (LPAuxRegistration)incumbent;
List <Position> contourPoints = new List <Position>();
if (lpAuxIncumbent.PointsArea != null)
{
contourPoints = lpAuxIncumbent.PointsArea.ToList();
}
else if (lpAuxIncumbent.QuadrilateralArea != null)
{
foreach (QuadrilateralArea area in lpAuxIncumbent.QuadrilateralArea)
{
contourPoints.Add(area.NEPoint);
contourPoints.Add(area.NWPoint);
contourPoints.Add(area.SEPoint);
contourPoints.Add(area.SWPoint);
}
}
// TODO: How to get ReceiveLocation for LPAuxRegistration entity.
incumbentModel = new mwc.Incumbent(
lpAuxIncumbent.CallSign.CallSign,
lpAuxIncumbent.CallSign.Channel.Value,
contourPoints,
lpAuxIncumbent.Event,
requestedIncumbentType,
null,
new Location(lpAuxIncumbent.Latitude, lpAuxIncumbent.Longitude));
}
//// TODO: Logic to create Incumbent object for TV_US incumbent type, as now not sure what Object type to be compare with.
return(incumbentModel);
}