private GridFSFindOptions <ObjectId> WrapFindOptions(GridFSFindOptions options)
{
if (options != null)
{
var renderedSort = options.Sort == null ? null : options.Sort.Render(GridFSFileInfoSerializer.Instance, BsonSerializer.SerializerRegistry);
var wrappedSort = renderedSort == null ? null : new BsonDocumentSortDefinition <GridFSFileInfo <ObjectId> >(renderedSort);
return(new GridFSFindOptions <ObjectId>
{
BatchSize = options.BatchSize,
Limit = options.Limit,
MaxTime = options.MaxTime,
NoCursorTimeout = options.NoCursorTimeout,
Skip = options.Skip,
Sort = wrappedSort
});
}
else
{
return(null);
}
}
/// <inheritdoc />
public async Task<IAsyncCursor<GridFSFileInfo>> FindAsync(FilterDefinition<GridFSFileInfo> filter, GridFSFindOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
{
Ensure.IsNotNull(filter, nameof(filter));
options = options ?? new GridFSFindOptions();
var filesCollectionNamespace = GetFilesCollectionNamespace();
var serializerRegistry = _database.Settings.SerializerRegistry;
var fileInfoSerializer = serializerRegistry.GetSerializer<GridFSFileInfo>();
var messageEncoderSettings = GetMessageEncoderSettings();
var renderedFilter = filter.Render(fileInfoSerializer, serializerRegistry);
var renderedSort = options.Sort == null ? null : options.Sort.Render(fileInfoSerializer, serializerRegistry);
var operation = new FindOperation<GridFSFileInfo>(
filesCollectionNamespace,
fileInfoSerializer,
messageEncoderSettings)
{
BatchSize = options.BatchSize,
Filter = renderedFilter,
Limit = options.Limit,
MaxTime = options.MaxTime,
NoCursorTimeout = options.NoCursorTimeout ?? false,
Skip = options.Skip,
Sort = renderedSort
};
using (var binding = await GetSingleServerReadBindingAsync(cancellationToken).ConfigureAwait(false))
{
return await operation.ExecuteAsync(binding, cancellationToken).ConfigureAwait(false);
}
}
/// <inheritdoc />
public async Task <IAsyncCursor <GridFSFileInfo> > FindAsync(FilterDefinition <GridFSFileInfo> filter, GridFSFindOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
{
Ensure.IsNotNull(filter, nameof(filter));
var wrappedFilter = WrapFilter(filter);
var wrappedOptions = WrapFindOptions(options);
var cursor = await base.FindAsync(wrappedFilter, wrappedOptions, cancellationToken).ConfigureAwait(false);
return(new BatchTransformingAsyncCursor <GridFSFileInfo <ObjectId>, GridFSFileInfo>(cursor, TransformFileInfos));
}
/// <inheritdoc />
public async Task <IAsyncCursor <GridFSFileInfo <TFileId> > > FindAsync(FilterDefinition <GridFSFileInfo <TFileId> > filter, GridFSFindOptions <TFileId> options = null, CancellationToken cancellationToken = default(CancellationToken))
{
Ensure.IsNotNull(filter, nameof(filter));
options = options ?? new GridFSFindOptions <TFileId>();
var operation = CreateFindOperation(filter, options);
using (var binding = await GetSingleServerReadBindingAsync(cancellationToken).ConfigureAwait(false))
{
return(await operation.ExecuteAsync(binding, cancellationToken).ConfigureAwait(false));
}
}
private FindOperation <GridFSFileInfo <TFileId> > CreateFindOperation(FilterDefinition <GridFSFileInfo <TFileId> > filter, GridFSFindOptions <TFileId> options)
{
var filesCollectionNamespace = this.GetFilesCollectionNamespace();
var messageEncoderSettings = this.GetMessageEncoderSettings();
var renderedFilter = filter.Render(_fileInfoSerializer, _options.SerializerRegistry);
var renderedSort = options.Sort == null ? null : options.Sort.Render(_fileInfoSerializer, _options.SerializerRegistry);
return(new FindOperation <GridFSFileInfo <TFileId> >(
filesCollectionNamespace,
_fileInfoSerializer,
messageEncoderSettings)
{
BatchSize = options.BatchSize,
Filter = renderedFilter,
Limit = options.Limit,
MaxTime = options.MaxTime,
NoCursorTimeout = options.NoCursorTimeout ?? false,
ReadConcern = GetReadConcern(),
RetryRequested = _database.Client.Settings.RetryReads,
Skip = options.Skip,
Sort = renderedSort
});
}
/// <inheritdoc />
public IAsyncCursor <GridFSFileInfo <TFileId> > Find(FilterDefinition <GridFSFileInfo <TFileId> > filter, GridFSFindOptions <TFileId> options = null, CancellationToken cancellationToken = default(CancellationToken))
{
Ensure.IsNotNull(filter, nameof(filter));
options = options ?? new GridFSFindOptions <TFileId>();
var operation = CreateFindOperation(filter, options);
using (var binding = GetSingleServerReadBinding(cancellationToken))
{
return(operation.Execute(binding, cancellationToken));
}
}
/// <inheritdoc />
public async Task <IAsyncCursor <GridFSFileInfo> > FindAsync(FilterDefinition <GridFSFileInfo> filter, GridFSFindOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
{
Ensure.IsNotNull(filter, nameof(filter));
options = options ?? new GridFSFindOptions();
var filesCollectionNamespace = GetFilesCollectionNamespace();
var serializerRegistry = _database.Settings.SerializerRegistry;
var fileInfoSerializer = serializerRegistry.GetSerializer <GridFSFileInfo>();
var messageEncoderSettings = GetMessageEncoderSettings();
var renderedFilter = filter.Render(fileInfoSerializer, serializerRegistry);
var renderedSort = options.Sort == null ? null : options.Sort.Render(fileInfoSerializer, serializerRegistry);
var operation = new FindOperation <GridFSFileInfo>(
filesCollectionNamespace,
fileInfoSerializer,
messageEncoderSettings)
{
BatchSize = options.BatchSize,
Filter = renderedFilter,
Limit = options.Limit,
MaxTime = options.MaxTime,
NoCursorTimeout = options.NoCursorTimeout ?? false,
Skip = options.Skip,
Sort = renderedSort
};
using (var binding = await GetSingleServerReadBindingAsync(cancellationToken).ConfigureAwait(false))
{
return(await operation.ExecuteAsync(binding, cancellationToken).ConfigureAwait(false));
}
}
private FindOperation<GridFSFileInfo> CreateFindOperation(FilterDefinition<GridFSFileInfo> filter, GridFSFindOptions options)
{
var filesCollectionNamespace = GetFilesCollectionNamespace();
var serializerRegistry = _database.Settings.SerializerRegistry;
var fileInfoSerializer = serializerRegistry.GetSerializer<GridFSFileInfo>();
var messageEncoderSettings = GetMessageEncoderSettings();
var renderedFilter = filter.Render(fileInfoSerializer, serializerRegistry);
var renderedSort = options.Sort == null ? null : options.Sort.Render(fileInfoSerializer, serializerRegistry);
return new FindOperation<GridFSFileInfo>(
filesCollectionNamespace,
fileInfoSerializer,
messageEncoderSettings)
{
BatchSize = options.BatchSize,
Filter = renderedFilter,
Limit = options.Limit,
MaxTime = options.MaxTime,
NoCursorTimeout = options.NoCursorTimeout ?? false,
ReadConcern = GetReadConcern(),
Skip = options.Skip,
Sort = renderedSort
};
}
/// <inheritdoc />
public async Task<IAsyncCursor<GridFSFileInfo>> FindAsync(FilterDefinition<GridFSFileInfo> filter, GridFSFindOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
{
Ensure.IsNotNull(filter, nameof(filter));
options = options ?? new GridFSFindOptions();
var operation = CreateFindOperation(filter, options);
using (var binding = await GetSingleServerReadBindingAsync(cancellationToken).ConfigureAwait(false))
{
return await operation.ExecuteAsync(binding, cancellationToken).ConfigureAwait(false);
}
}
/// <inheritdoc />
public IAsyncCursor<GridFSFileInfo> Find(FilterDefinition<GridFSFileInfo> filter, GridFSFindOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
{
Ensure.IsNotNull(filter, nameof(filter));
options = options ?? new GridFSFindOptions();
var operation = CreateFindOperation(filter, options);
using (var binding = GetSingleServerReadBinding(cancellationToken))
{
return operation.Execute(binding, cancellationToken);
}
}
