public async Task <DeletePointResult> DeletePointAsync(DeletePointRequest deletePointRequest, CancellationToken cancellationToken = default(CancellationToken))
{
if (deletePointRequest == null)
{
throw new ArgumentNullException("deletePointRequest");
}
var geohash = S2Manager.GenerateGeohash(deletePointRequest.GeoPoint);
var hashKey = S2Manager.GenerateHashKey(geohash, _config.HashKeyLength);
var deleteItemRequest = deletePointRequest.DeleteItemRequest;
deleteItemRequest.TableName = _config.TableName;
var hashKeyValue = new AttributeValue
{
N = hashKey.ToString(CultureInfo.InvariantCulture)
};
deleteItemRequest.Key[_config.HashKeyAttributeName] = hashKeyValue;
deleteItemRequest.Key[_config.RangeKeyAttributeName] = deletePointRequest.RangeKeyValue;
DeleteItemResponse deleteItemResult = await _config.DynamoDBClient.DeleteItemAsync(deleteItemRequest, cancellationToken).ConfigureAwait(false);
var deletePointResult = new DeletePointResult(deleteItemResult);
return(deletePointResult);
}
/// <summary>
/// <p>
/// Delete a point from the Amazon DynamoDB table.
/// </p>
/// <b>Sample usage:</b>
/// <pre>
/// GeoPoint geoPoint = new GeoPoint(47.5, -122.3);
/// String rangeKey = "a6feb446-c7f2-4b48-9b3a-0f87744a5047";
/// AttributeValue rangeKeyValue = new AttributeValue().withS(rangeKey);
/// DeletePointRequest deletePointRequest = new DeletePointRequest(geoPoint, rangeKeyValue);
/// DeletePointResult deletePointResult = geoIndexManager.deletePoint(deletePointRequest);
/// </pre>
/// </summary>
/// <param name="deletePointRequest">Container for the necessary parameters to execute delete point request.</param>
/// <returns>Result of delete point request.</returns>
public Task <DeletePointResult> DeletePointAsync(DeletePointRequest deletePointRequest, CancellationToken cancellationToken = default(CancellationToken))
{
if (deletePointRequest == null)
{
throw new ArgumentNullException("deletePointRequest");
}
return(_dynamoDBManager.DeletePointAsync(deletePointRequest, cancellationToken));
}
