private async Task <ContextualQueryResultIterator <TInfluxRow> > ExecuteHttpAsync <TInfluxRow>(HttpMethod method, string url, string db, InfluxQueryOptions options, HttpContent content = null)
where TInfluxRow : new()
{
try
{
using (var request = new HttpRequestMessage(method, url)
{
Content = (method == HttpMethod.Get ? null : (content == null ? new StringContent("") : content))
})
{
request.Headers.Authorization = _authzHeader;
var response = await _client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead).ConfigureAwait(false);
await EnsureSuccessCode(response).ConfigureAwait(false);
var objectIterator = await response.Content.GetObjectIteratorAsync().ConfigureAwait(false);
var iterator = new QueryResultIterator <TInfluxRow>(response, objectIterator, this, options, db);
var contextualIterator = new ContextualQueryResultIterator <TInfluxRow>(iterator);
return(contextualIterator);
}
}
catch (HttpRequestException e)
{
throw new InfluxException(Errors.UnknownError, e);
}
}
internal InfluxChunkedSeries(ContextualQueryResultIterator <TInfluxRow> iterator, string name, IReadOnlyDictionary <string, object> tags)
{
_iterator = iterator;
Name = name;
GroupedTags = tags;
}
internal InfluxChunkedResult(ContextualQueryResultIterator <TInfluxRow> iterator, int statementId, string error)
{
_iterator = iterator;
StatementId = statementId;
ErrorMessage = error;
Succeeded = error == null;
}
private void Dispose(bool disposing)
{
if (!_disposed)
{
if (disposing)
{
if (_iterator != null)
{
_iterator.Dispose();
_iterator = null;
}
}
_disposed = true;
}
}
/// <summary>
/// Gets the next result from the result set.
///
/// Null if none are available.
/// </summary>
/// <returns></returns>
public async Task <InfluxChunkedResult <TInfluxRow> > GetNextResultAsync(CancellationToken cancellationToken = default)
{
if (_iterator == null)
{
return(null);
}
if (await _iterator.ConsumeNextResultAsync(cancellationToken).ConfigureAwait(false))
{
var currentResult = _iterator.CurrentResult;
return(new InfluxChunkedResult <TInfluxRow>(
_iterator,
currentResult.StatementId,
currentResult.ErrorMessage));
}
// here we can close it
_iterator.Dispose();
_iterator = null;
return(null);
}
internal InfluxChunkedResultSet(ContextualQueryResultIterator <TInfluxRow> contextualIterator, InfluxClient client, InfluxQueryOptions options, string db)
{
_iterator = contextualIterator;
}
