/// <inheritdoc />
/// <exception cref="InvalidOperationException">
/// XML configuration doesn't contain element for data base manager with specified name.
/// </exception>
public void BuildDataBaseManager()
{
XElement dataBaseManagerElement = _documentParser.FindElement(
_dataBaseManagerParameterName
);
if (dataBaseManagerElement is null)
{
var ex = new InvalidOperationException(
$"XML document hasn't value for {_dataBaseManagerParameterName}."
);
_logger.Error(ex, "Cannot build DataBaseManager.");
throw ex;
}
string connectionString = XDocumentParser.GetAttributeValue(
dataBaseManagerElement, _connectionStringParameterName
);
var dataBaseSettings = new DAL.DataStorageSettings(connectionString);
_dataBaseManager = new DAL.DataBaseManager(
new DAL.Repositories.ResultInfoRepository(dataBaseSettings),
new DAL.Repositories.RatingRepository(dataBaseSettings)
);
foreach (var element in dataBaseManagerElement.Elements())
{
DAL.Repositories.IDataRepository repository = _serviceBuilder.CreateRepository(
element, dataBaseSettings
);
_dataBaseManager.DataRepositoriesManager.Add(repository);
}
}
/// <inheritdoc />
public void Reset()
{
_inputManager = null;
_crawlersManager = null;
_appraisersManager = null;
_outputManager = null;
_dataBaseManager = null;
}
/// <summary>
/// Default constructor which initialize all managers.
/// </summary>
/// <exception cref="ArgumentNullException">
/// <paramref name="inputManager" /> or <paramref name="crawlersManager" /> or
/// <paramref name="appraisersManager" /> or <paramref name="outputManager" /> is
/// <c>null</c>.
/// </exception>
public Shell(
IO.Input.InputManager inputManager,
Crawlers.CrawlersManager crawlersManager,
Appraisers.AppraisersManager appraisersManager,
IO.Output.OutputManager outputManager,
DAL.DataBaseManager dataBaseManager)
{
InputManager = inputManager.ThrowIfNull(nameof(inputManager));
CrawlersManager = crawlersManager.ThrowIfNull(nameof(crawlersManager));
AppraisersManager = appraisersManager.ThrowIfNull(nameof(appraisersManager));
OutputManager = outputManager.ThrowIfNull(nameof(outputManager));
DataBaseManager = dataBaseManager.ThrowIfNull(nameof(dataBaseManager));
}
