public override Task <IAsyncCursor <TResult> > ToCursorAsync(CancellationToken cancellationToken)
{
if (_session == null)
{
return(_database.AggregateAsync(_pipeline, _options, cancellationToken));
}
else
{
return(_database.AggregateAsync(_session, _pipeline, _options, cancellationToken));
}
}
public Task <IAsyncCursor <TResult> > AggregateAsync <TResult>(
PipelineDefinition <NoPipelineInput, TResult> pipeline,
AggregateOptions?options = null,
CancellationToken cancellationToken = default)
{
if (TryGetSession(out IClientSessionHandle? session))
{
return(_database.AggregateAsync(session, pipeline, options, cancellationToken));
}
return(_database.AggregateAsync(pipeline, options, cancellationToken));
}
protected override List <BsonDocument> ExecuteAndGetResult(IMongoDatabase database, IMongoCollection <BsonDocument> collection, bool async)
{
if (collection == null)
{
if (async)
{
var cursor = database.AggregateAsync <BsonDocument>(_stages, _options).GetAwaiter().GetResult();
return(cursor.ToListAsync().GetAwaiter().GetResult());
}
else
{
return(database.Aggregate <BsonDocument>(_stages, _options).ToList());
}
}
else
{
if (async)
{
var cursor = collection.AggregateAsync <BsonDocument>(_stages, _options).GetAwaiter().GetResult();
return(cursor.ToListAsync().GetAwaiter().GetResult());
}
else
{
return(collection.Aggregate <BsonDocument>(_stages, _options).ToList());
}
}
}
public async Task <OperationResult> ExecuteAsync(CancellationToken cancellationToken)
{
try
{
var cursor = await _database.AggregateAsync(_pipeline, _options, cancellationToken);
var result = await cursor.ToListAsync();
return(OperationResult.FromResult(new BsonArray(result)));
}
catch (Exception exception)
{
return(OperationResult.FromException(exception));
}
}
