private async Task <CursorBatch <TDocument> > ExecuteGetMoreCommandAsync(IChannelHandle channel, CancellationToken cancellationToken)
{
var command = CreateGetMoreCommand();
BsonDocument result;
try
{
result = await channel.CommandAsync <BsonDocument>(
_channelSource.Session,
null, // readPreference
_collectionNamespace.DatabaseNamespace,
command,
null, // commandPayloads
NoOpElementNameValidator.Instance,
null, // additionalOptions
null, // postWriteAction
CommandResponseHandling.Return,
__getMoreCommandResultSerializer,
_messageEncoderSettings,
cancellationToken).ConfigureAwait(false);
}
catch (MongoCommandException ex) when(IsMongoCursorNotFoundException(ex))
{
throw new MongoCursorNotFoundException(channel.ConnectionDescription.ConnectionId, _cursorId, command);
}
return(CreateCursorBatch(result));
}
private async Task <BsonDocument> ExecuteProtocolAsync(IChannelHandle channel, BsonDocument command, Func <CommandResponseHandling> responseHandling, CancellationToken cancellationToken)
{
return((await channel.CommandAsync <BsonDocument>(
_collectionNamespace.DatabaseNamespace,
command,
NoOpElementNameValidator.Instance,
responseHandling,
false, // slaveOk
BsonDocumentSerializer.Instance,
_messageEncoderSettings,
cancellationToken).ConfigureAwait(false)) ?? new BsonDocument("ok", 1));
}
private Task <BsonDocument> ExecuteProtocolAsync(IChannelHandle channel, BsonDocument command, CancellationToken cancellationToken)
{
var commandValidator = NoOpElementNameValidator.Instance;
return(channel.CommandAsync <BsonDocument>(
_collectionNamespace.DatabaseNamespace,
command,
commandValidator,
false, // slaveOk
BsonDocumentSerializer.Instance,
_messageEncoderSettings,
cancellationToken));
}
private Task <TCommandResult> ExecuteProtocolAsync(IChannelHandle channel, ServerDescription serverDescription, ReadPreference readPreference, CancellationToken cancellationToken)
{
var wrappedCommand = CreateWrappedCommand(serverDescription, readPreference);
var slaveOk = readPreference != null && readPreference.ReadPreferenceMode != ReadPreferenceMode.Primary;
return(channel.CommandAsync <TCommandResult>(
_databaseNamespace,
wrappedCommand,
_commandValidator,
slaveOk,
_resultSerializer,
_messageEncoderSettings,
cancellationToken));
}
private async Task <CursorBatch <TDocument> > ExecuteGetMoreCommandAsync(IChannelHandle channel, CancellationToken cancellationToken)
{
var command = CreateGetMoreCommand();
var result = await channel.CommandAsync <BsonDocument>(
_collectionNamespace.DatabaseNamespace,
command,
NoOpElementNameValidator.Instance,
() => CommandResponseHandling.Return,
false, // slaveOk
__getMoreCommandResultSerializer,
_messageEncoderSettings,
cancellationToken).ConfigureAwait(false);
return(CreateCursorBatch(result));
}
private async Task <CursorBatch <TDocument> > ExecuteProtocolAsync(IChannelHandle channel, ServerDescription serverDescription, ReadPreference readPreference, bool slaveOk, CancellationToken cancellationToken)
{
var command = CreateCommand(serverDescription, readPreference);
var result = await channel.CommandAsync <BsonDocument>(
_collectionNamespace.DatabaseNamespace,
command,
NoOpElementNameValidator.Instance,
() => CommandResponseHandling.Return,
slaveOk,
__findCommandResultSerializer,
_messageEncoderSettings,
cancellationToken).ConfigureAwait(false);
return(CreateCursorBatch(result));
}
private Task <TCommandResult> ExecuteProtocolAsync(IChannelHandle channel, ICoreSessionHandle session, ReadPreference readPreference, CancellationToken cancellationToken)
{
var additionalOptions = GetEffectiveAdditionalOptions();
return(channel.CommandAsync(
session,
readPreference,
_databaseNamespace,
_command,
_commandValidator,
additionalOptions,
() => CommandResponseHandling.Return,
_resultSerializer,
_messageEncoderSettings,
cancellationToken));
}
/// <summary>
/// Executes the protocol.
/// </summary>
/// <param name="channel">The channel.</param>
/// <param name="session">The session.</param>
/// <param name="readPreference">The read preference.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>
/// A Task whose result is the command result.
/// </returns>
protected Task <TCommandResult> ExecuteProtocolAsync(IChannelHandle channel, ICoreSessionHandle session, ReadPreference readPreference, CancellationToken cancellationToken)
{
var additionalOptions = GetEffectiveAdditionalOptions();
return(channel.CommandAsync(
session,
readPreference,
_databaseNamespace,
_command,
null, // TODO: support commandPayloads
_commandValidator,
additionalOptions,
null, // postWriteAction,
CommandResponseHandling.Return,
_resultSerializer,
_messageEncoderSettings,
cancellationToken));
}
private async Task <CursorBatch <TDocument> > ExecuteGetMoreCommandAsync(IChannelHandle channel, CancellationToken cancellationToken)
{
var command = CreateGetMoreCommand();
var result = await channel.CommandAsync <BsonDocument>(
_channelSource.Session,
null, // readPreference
_collectionNamespace.DatabaseNamespace,
command,
null, // commandPayloads
NoOpElementNameValidator.Instance,
null, // additionalOptions
null, // postWriteAction
CommandResponseHandling.Return,
__getMoreCommandResultSerializer,
_messageEncoderSettings,
cancellationToken).ConfigureAwait(false);
return(CreateCursorBatch(result));
}
private async Task ExecuteKillCursorsCommandAsync(IChannelHandle channel, CancellationToken cancellationToken)
{
var command = CreateKillCursorsCommand();
var result = await channel.CommandAsync(
_channelSource.Session,
null, // readPreference
_collectionNamespace.DatabaseNamespace,
command,
null, // commandPayloads
NoOpElementNameValidator.Instance,
null, // additionalOptions
null, // postWriteAction
CommandResponseHandling.Return,
BsonDocumentSerializer.Instance,
_messageEncoderSettings,
cancellationToken)
.ConfigureAwait(false);
ThrowIfKillCursorsCommandFailed(result, channel.ConnectionDescription.ConnectionId);
}