public override Task <long> CountAsync(FilterDefinition <TDocument> filter, CountOptions options, CancellationToken cancellationToken)
{
Ensure.IsNotNull(filter, nameof(filter));
options = options ?? new CountOptions();
var operation = CreateCountOperation(filter, options);
return(ExecuteReadOperationAsync(operation, cancellationToken));
}
/// <summary>
/// Counts the asynchronous.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns></returns>
public Task <long> CountAsync(CancellationToken cancellationToken)
{
BsonValue hint;
_options.Modifiers.TryGetValue("$hint", out hint);
var options = new CountOptions
{
Hint = hint,
Limit = _options.Limit,
MaxTime = _options.MaxTime,
Skip = _options.Skip
};
return(_collection.CountAsync(_filter, options, cancellationToken));
}
public override Task <long> CountAsync(FilterDefinition <TDocument> filter, CountOptions options, CancellationToken cancellationToken)
{
Ensure.IsNotNull(filter, "filter");
options = options ?? new CountOptions();
var operation = new CountOperation(_collectionNamespace, _messageEncoderSettings)
{
Filter = filter.Render(_documentSerializer, _settings.SerializerRegistry),
Hint = options.Hint,
Limit = options.Limit,
MaxTime = options.MaxTime,
Skip = options.Skip
};
return(ExecuteReadOperation(operation, cancellationToken));
}
public Task <long> CountAsync(object filter, CountOptions options, CancellationToken cancellationToken)
{
Ensure.IsNotNull(filter, "filter");
options = options ?? new CountOptions();
var operation = new CountOperation(_collectionNamespace, _messageEncoderSettings)
{
Filter = ConvertFilterToBsonDocument(filter),
Hint = options.Hint is string?BsonValue.Create((string)options.Hint) : ConvertToBsonDocument(options.Hint),
Limit = options.Limit,
MaxTime = options.MaxTime,
Skip = options.Skip
};
return(ExecuteReadOperation(operation, cancellationToken));
}
public async Task CountAsync_should_execute_the_CountOperation()
{
var filter = new BsonDocument("x", 1);
var options = new CountOptions
{
Hint = "funny",
Limit = 10,
MaxTime = TimeSpan.FromSeconds(20),
Skip = 30
};
await _subject.CountAsync(filter, options, CancellationToken.None);
var call = _operationExecutor.GetReadCall <long>();
call.Operation.Should().BeOfType <CountOperation>();
var operation = (CountOperation)call.Operation;
operation.CollectionNamespace.FullName.Should().Be("foo.bar");
operation.Filter.Should().Be(filter);
operation.Hint.Should().Be((string)options.Hint);
operation.Limit.Should().Be(options.Limit);
operation.MaxTime.Should().Be(options.MaxTime);
operation.Skip.Should().Be(options.Skip);
}
/// <inheritdoc /> public abstract Task <long> CountAsync(FilterDefinition <TDocument> filter, CountOptions options = null, CancellationToken cancellationToken = default(CancellationToken));
/// <inheritdoc />
public virtual long Count(FilterDefinition <TDocument> filter, CountOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
{
throw new NotImplementedException();
}
/// <summary>
/// Counts the number of documents in the collection.
/// </summary>
/// <typeparam name="TDocument">The type of the document.</typeparam>
/// <param name="collection">The collection.</param>
/// <param name="filter">The filter.</param>
/// <param name="options">The options.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>
/// The number of documents in the collection.
/// </returns>
public static Task <long> CountAsync <TDocument>(this IMongoCollection <TDocument> collection, Expression <Func <TDocument, bool> > filter, CountOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
{
Ensure.IsNotNull(collection, "collection");
Ensure.IsNotNull(filter, "filter");
return(collection.CountAsync(new ExpressionFilterDefinition <TDocument>(filter), options, cancellationToken));
}
/// <inheritdoc />
public virtual Task <long> CountDocumentsAsync(IClientSessionHandle session, FilterDefinition <TDocument> filter, CountOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
{
throw new NotImplementedException();
}
public override long Count(FilterDefinition <TDocument> filter, CountOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
{
return(_wrappedCollection.Count(CombineFilters(filter), options, cancellationToken));
}
public override Task <long> CountDocumentsAsync(IClientSessionHandle session, FilterDefinition <TDocument> filter, CountOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
{
return(_wrappedCollection.CountDocumentsAsync(session, CombineFilters(filter), options, cancellationToken));
}
private CountOperation CreateCountOperation(FilterDefinition <TDocument> filter, CountOptions options)
{
return(new CountOperation(_collectionNamespace, _messageEncoderSettings)
{
Collation = options.Collation,
Filter = filter.Render(_documentSerializer, _settings.SerializerRegistry),
Hint = options.Hint,
Limit = options.Limit,
MaxTime = options.MaxTime,
ReadConcern = _settings.ReadConcern,
Skip = options.Skip
});
}
