public override Task <IAsyncCursor <BsonDocument> > ListCollectionsAsync(IClientSessionHandle session, ListCollectionsOptions options, CancellationToken cancellationToken)
{
Ensure.IsNotNull(session, nameof(session));
var operation = CreateListCollectionsOperation(options);
var effectiveReadPreference = ReadPreferenceResolver.GetEffectiveReadPreference(session, null, ReadPreference.Primary);
return(ExecuteReadOperationAsync(session, operation, effectiveReadPreference, cancellationToken));
}
public override async Task <IAsyncCursor <string> > ListCollectionNamesAsync(IClientSessionHandle session, ListCollectionNamesOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
{
Ensure.IsNotNull(session, nameof(session));
var operation = CreateListCollectionNamesOperation(options);
var effectiveReadPreference = ReadPreferenceResolver.GetEffectiveReadPreference(session, null, ReadPreference.Primary);
var cursor = await ExecuteReadOperationAsync(session, operation, effectiveReadPreference, cancellationToken).ConfigureAwait(false);
return(new BatchTransformingAsyncCursor <BsonDocument, string>(cursor, ExtractCollectionNames));
}
public override Task <TResult> RunCommandAsync <TResult>(IClientSessionHandle session, Command <TResult> command, ReadPreference readPreference = null, CancellationToken cancellationToken = default(CancellationToken))
{
Ensure.IsNotNull(session, nameof(session));
Ensure.IsNotNull(command, nameof(command));
var operation = CreateRunCommandOperation(command);
var effectiveReadPreference = ReadPreferenceResolver.GetEffectiveReadPreference(session, readPreference, ReadPreference.Primary);
return(ExecuteReadOperationAsync(session, operation, effectiveReadPreference, cancellationToken));
}
private Task <T> ExecuteReadOperationAsync <T>(IClientSessionHandle session, IReadOperation <T> operation, CancellationToken cancellationToken)
{
var readPreference = ReadPreferenceResolver.GetEffectiveReadPreference(session, null, _settings.ReadPreference);
return(ExecuteReadOperationAsync(session, operation, readPreference, cancellationToken));
}