public override IAsyncCursor <TResult> ToCursor(CancellationToken cancellationToken)
{
if (_session == null)
{
return(_database.Aggregate(_pipeline, _options, cancellationToken));
}
else
{
return(_database.Aggregate(_session, _pipeline, _options, cancellationToken));
}
}
public IAsyncCursor <TResult> Aggregate <TResult>(
PipelineDefinition <NoPipelineInput, TResult> pipeline,
AggregateOptions?options = null,
CancellationToken cancellationToken = default)
{
if (TryGetSession(out IClientSessionHandle? session))
{
return(Aggregate(session, pipeline, options, cancellationToken));
}
return(_database.Aggregate(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 OperationResult Execute(CancellationToken cancellationToken)
{
try
{
var cursor = _database.Aggregate(_pipeline, _options, cancellationToken);
var result = cursor.ToList();
return(OperationResult.FromResult(new BsonArray(result)));
}
catch (Exception exception)
{
return(OperationResult.FromException(exception));
}
}
private void ClearInsertOperations()
{
List <BsonDocument> agg = admin.Aggregate()
.AppendStage <BsonDocument>(new BsonDocument
{
{
"$currentOp",
new BsonDocument
{
{ "allUsers", true },
{ "localOps", true }
}
}
}).AppendStage <BsonDocument>(new BsonDocument
{
{ "$match",
new BsonDocument
{
{ "op", "insert" },
} }
})
.ToList();
var values = agg.Select(x => x.GetValue("opid")).ToList();
values.ForEach(async opId =>
{
var opid = values[0].AsInt32;
var doc = new Dictionary <string, object>()
{
{ "killOp", 1 },
{ "op", opid }
};
var bs = new BsonDocument(doc);
BsonDocument s = await admin.RunCommandAsync <BsonDocument>(bs);
});
}
