/// <summary>
/// Initializes a new instance of the <see cref="DbImporter"/> class.
/// </summary>
/// <param name="dbWriter">The database writer - an object which implements <see cref="IDbWriter"/> interface.</param>
/// <param name="datasetImporter">The dataset importer - knows how to read one dataset data stored in a particular format.</param>
/// <param name="unpacker">The unpacker - knows how to find the data for a particular dataset "packed" in "archive".</param>
/// <param name="loggerFactory">The logger factory.</param>
public DbImporter(IDbWriter dbWriter, IDatasetImporter datasetImporter, IDataUnpacker unpacker, ILoggerFactory loggerFactory = null)
{
_dbWriter = dbWriter;
_datasetImporter = datasetImporter;
_dataUnpacker = unpacker;
_logger = loggerFactory?.CreateLogger("Korzh.DbUtils");
}
/// <summary>
/// Stores the content of some dataset (table) to the list.
/// </summary>
/// <param name="importer">The importer.</param>
/// <param name="inputStream">The input stream.</param>
/// <param name="outputList">The output list.</param>
public static void ImportToList(this IDatasetImporter importer, Stream inputStream, IList <DataRecord> outputList)
{
DataRecord record = null;
try {
var dataInfo = importer.StartImport(inputStream);
while (importer.HasRecords())
{
record = (DataRecord)importer.NextRecord();
outputList.Add(record);
}
}
finally {
importer.FinishImport();
}
}
public void AddImporter(IDatasetImporter importer)
{
_importers.Add(importer);
}
