/// <summary>
/// Validates geolocation candidates by streets geocoder.
/// </summary>
/// <param name="addresses">Address to geocode.</param>
/// <param name="candidates">Geocded candidates.</param>
private void _ValidateLocation(Address[] addresses, AddressCandidate[] candidates)
{
Debug.Assert(null != addresses); // created
Debug.Assert(null != candidates); // created
Debug.Assert(candidates.Length == addresses.Length); // valid stated
Debug.Assert(null != _checker); // inited
// init location validator
var streetsGeocoder = App.Current.StreetsGeocoder;
var locationValidator = new LocationValidator(streetsGeocoder);
// do validation
var incorrectCandidates = locationValidator
.FindIncorrectLocations(candidates)
.GroupBy(index => addresses[index])
.ToArray();
// get incorrect candidate indexes
var addressesForGeocoding = incorrectCandidates
.Select(item => item.Key)
.ToArray();
_checker.ThrowIfCancellationRequested();
// regeocoding by streets geocoder
var fixedCandidates = streetsGeocoder.BatchGeocode(addressesForGeocoding);
// update regeocoded candidates
for (var index = 0; index < fixedCandidates.Length; ++index)
{
_checker.ThrowIfCancellationRequested();
foreach (var j in incorrectCandidates[index])
{
candidates[j] = fixedCandidates[index];
}
}
}
/// <summary>
/// Validates and fixes candidates with incorrect locations.
/// </summary>
/// <param name="candidates">The reference to the collection of address candidates to
/// be validated and fixed.</param>
/// <param name="geocodable">The reference to the geocodable object used for retrieving
/// candidates collection.</param>
/// <returns>A reference to the collection of address candidates with fixed
/// locations.</returns>
private IEnumerable<AddressCandidate> _GetValidLocations(
IEnumerable<AddressCandidate> candidates,
IGeocodable geocodable)
{
Debug.Assert(candidates != null);
Debug.Assert(candidates.All(candidate => candidate != null));
Debug.Assert(geocodable != null);
List<int> incorrectCandidates = new List<int>();
try
{
var streetsGeocoder = App.Current.StreetsGeocoder;
var locationValidator = new LocationValidator(streetsGeocoder);
incorrectCandidates = locationValidator
.FindIncorrectLocations(candidates)
.ToList();
}
catch (Exception ex)
{
if (GeocodeHelpers.MustThrowException(ex))
{
throw;
}
}
if (!incorrectCandidates.Any())
{
return candidates;
}
// Get incorrect address candidates.
List<AddressCandidate> allCandidates = candidates.ToList();
var invalidAddressCandidates = incorrectCandidates
.Select(index => allCandidates[index])
.ToList();
// Get all candidates which is not invalid.
var result = candidates
.Except(invalidAddressCandidates)
.ToList();
return result;
}
/// <summary>
/// Validates geolocation candidates by streets geocoder.
/// </summary>
/// <param name="addresses">Address to geocode.</param>
/// <param name="candidates">Geocded candidates.</param>
private void _ValidateLocation(Address[] addresses, AddressCandidate[] candidates)
{
Debug.Assert(null != addresses); // created
Debug.Assert(null != candidates); // created
Debug.Assert(candidates.Length == addresses.Length); // valid stated
Debug.Assert(null != _checker); // inited
// init location validator
var streetsGeocoder = App.Current.StreetsGeocoder;
var locationValidator = new LocationValidator(streetsGeocoder);
// do validation
var incorrectCandidates = locationValidator
.FindIncorrectLocations(candidates)
.GroupBy(index => addresses[index])
.ToArray();
// get incorrect candidate indexes
var addressesForGeocoding = incorrectCandidates
.Select(item => item.Key)
.ToArray();
_checker.ThrowIfCancellationRequested();
// regeocoding by streets geocoder
var fixedCandidates = streetsGeocoder.BatchGeocode(addressesForGeocoding);
// update regeocoded candidates
for (var index = 0; index < fixedCandidates.Length; ++index)
{
_checker.ThrowIfCancellationRequested();
foreach (var j in incorrectCandidates[index])
{
candidates[j] = fixedCandidates[index];
}
}
}