private IDataSourceAdapter Create(IMongoDbSourceAdapterConfiguration configuration)
{
Guard.NotNull("configuration", configuration);
if (String.IsNullOrEmpty(configuration.ConnectionString))
{
throw Errors.ConnectionStringMissing();
}
if (String.IsNullOrEmpty(configuration.Collection))
{
throw Errors.CollectionNameMissing();
}
if (!String.IsNullOrEmpty(configuration.QueryFile) && !String.IsNullOrEmpty(configuration.Query))
{
throw Errors.AmbiguousQuery();
}
if (!String.IsNullOrEmpty(configuration.ProjectionFile) && !String.IsNullOrEmpty(configuration.Projection))
{
throw Errors.AmbiguousProjection();
}
var adapter = new MongoDbSourceAdapter(GetInstanceConfiguration(configuration));
adapter.Initialize();
return(adapter);
}
/// <summary>
/// Creates a new instance of <see cref="IDataSourceAdapter" /> with the provided configuration.
/// </summary>
/// <param name="configuration">Data source adapter configuration.</param>
/// <param name="context">Data transfer operation context.</param>
/// <param name="cancellation">Cancellation token.</param>
/// <returns>Task that represents asynchronous create operation.</returns>
public async Task <IDataSourceAdapter> CreateAsync(IMongoDbSourceAdapterConfiguration configuration, IDataTransferContext context, CancellationToken cancellation)
{
Guard.NotNull("configuration", configuration);
if (String.IsNullOrEmpty(configuration.ConnectionString))
{
throw Errors.ConnectionStringMissing();
}
if (String.IsNullOrEmpty(configuration.Collection))
{
throw Errors.CollectionNameMissing();
}
var adapter = new MongoDbSourceAdapter(GetInstanceConfiguration(configuration));
await adapter.Initialize(cancellation);
return(adapter);
}