public override Task <TProjection> FindOneAndUpdateAsync <TProjection>(FilterDefinition <TDocument> filter, UpdateDefinition <TDocument> update, FindOneAndUpdateOptions <TDocument, TProjection> options, CancellationToken cancellationToken)
{
Ensure.IsNotNull(filter, "filter");
Ensure.IsNotNull(update, "update");
options = options ?? new FindOneAndUpdateOptions <TDocument, TProjection>();
var projection = options.Projection ?? new EntireDocumentProjectionDefinition <TDocument, TProjection>();
var renderedProjection = projection.Render(_documentSerializer, _settings.SerializerRegistry);
var operation = new FindOneAndUpdateOperation <TProjection>(
_collectionNamespace,
filter.Render(_documentSerializer, _settings.SerializerRegistry),
update.Render(_documentSerializer, _settings.SerializerRegistry),
new FindAndModifyValueDeserializer <TProjection>(renderedProjection.ProjectionSerializer),
_messageEncoderSettings)
{
IsUpsert = options.IsUpsert,
MaxTime = options.MaxTime,
Projection = renderedProjection.Document,
ReturnDocument = options.ReturnDocument.ToCore(),
Sort = options.Sort == null ? null : options.Sort.Render(_documentSerializer, _settings.SerializerRegistry)
};
return(ExecuteWriteOperation(operation, cancellationToken));
}
private FindOneAndUpdateOperation <TProjection> CreateFindOneAndUpdateOperation <TProjection>(FilterDefinition <TDocument> filter, UpdateDefinition <TDocument> update, FindOneAndUpdateOptions <TDocument, TProjection> options)
{
var projection = options.Projection ?? new ClientSideDeserializationProjectionDefinition <TDocument, TProjection>();
var renderedProjection = projection.Render(_documentSerializer, _settings.SerializerRegistry);
return(new FindOneAndUpdateOperation <TProjection>(
_collectionNamespace,
filter.Render(_documentSerializer, _settings.SerializerRegistry),
update.Render(_documentSerializer, _settings.SerializerRegistry),
new FindAndModifyValueDeserializer <TProjection>(renderedProjection.ProjectionSerializer),
_messageEncoderSettings)
{
BypassDocumentValidation = options.BypassDocumentValidation,
IsUpsert = options.IsUpsert,
MaxTime = options.MaxTime,
Projection = renderedProjection.Document,
ReturnDocument = options.ReturnDocument.ToCore(),
Sort = options.Sort == null ? null : options.Sort.Render(_documentSerializer, _settings.SerializerRegistry),
WriteConcern = _settings.WriteConcern
});
}