public Task AggregateToCollectionAsync <TResult>(
PipelineDefinition <T, TResult> pipeline,
AggregateOptions?options = null,
CancellationToken cancellationToken = default
)
{
return(collection.AggregateToCollectionAsync(pipeline, options, cancellationToken));
}
public override Task ToCollectionAsync(CancellationToken cancellationToken)
{
if (_session == null)
{
return(_collection.AggregateToCollectionAsync(_pipeline, _options, cancellationToken));
}
else
{
return(_collection.AggregateToCollectionAsync(_session, _pipeline, _options, cancellationToken));
}
}
public Task AggregateToCollectionAsync <TResult>(
PipelineDefinition <T, TResult> pipeline,
AggregateOptions?options = null,
CancellationToken cancellationToken = default)
{
if (TryGetSession(out IClientSessionHandle? session))
{
return(AggregateToCollectionAsync(session, pipeline, options, cancellationToken));
}
return(_collection.AggregateToCollectionAsync(pipeline, options, cancellationToken));
}
public async Task <OperationResult> ExecuteAsync(CancellationToken cancellationToken)
{
try
{
await _collection.AggregateToCollectionAsync(_pipeline, _options, cancellationToken);
return(OperationResult.FromResult(null));
}
catch (Exception exception)
{
return(OperationResult.FromException(exception));
}
}
public override async Task <OperationResult> ExecuteAsync(CancellationToken cancellationToken)
{
var pipelineDefinition = new BsonDocumentStagePipelineDefinition <BsonDocument, BsonDocument>(_pipeline, BsonDocumentSerializer.Instance);
try
{
if (_session == null)
{
await _collection.AggregateToCollectionAsync(pipelineDefinition, _options, cancellationToken);
}
else
{
await _collection.AggregateToCollectionAsync(_session, pipelineDefinition, _options, cancellationToken);
}
return(OperationResult.FromResult(null));
}
catch (Exception exception)
{
return(OperationResult.FromException(exception));
}
}
public override Task AggregateToCollectionAsync <TResult>(PipelineDefinition <TDocument, TResult> pipeline, AggregateOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
{
var filteredPipeline = CreateFilteredPipeline(pipeline);
return(_wrappedCollection.AggregateToCollectionAsync(filteredPipeline, options, cancellationToken));
}