/// <summary>
/// The database file name
/// </summary>
public StorageEngine(IDbIdentification parameters)
{
_reflectionService = DependencyContainer.Resolve <IReflectionService>();
try
{
var metaModelCompabilityChecker = DependencyContainer.Resolve <IMetaModelCompabilityChecker>();
DbIdentification = parameters;
IsDbClosed = false;
var isNewDatabase = DbIdentification.IsNew();
_session = DependencyContainer.Resolve <ISession>(this);
// Object Writer must be created before object Reader
_objectWriter = DependencyContainer.Resolve <IObjectWriter>(this);
ObjectReader = DependencyContainer.Resolve <IObjectReader>(this);
// Associate current session to the fsi -> all transaction writes
// will be applied to this FileSystemInterface
_session.SetFileSystemInterfaceToApplyTransaction(_objectWriter.FileSystemProcessor.FileSystemInterface);
_objectIntrospectionDataProvider = new SessionDataProvider(_session);
if (isNewDatabase)
{
_objectWriter.CreateEmptyDatabaseHeader(OdbTime.GetCurrentTimeInTicks());
}
else
{
GetObjectReader().ReadDatabaseHeader();
}
_objectWriter.AfterInit();
_objectIntrospector = new ObjectIntrospector(GetClassInfoProvider());
_triggerManager = GetLocalTriggerManager();
// This forces the initialization of the meta model
var metaModel = GetMetaModel();
var shouldUpdate = metaModelCompabilityChecker.Check(ClassIntrospector.Instrospect(metaModel.GetAllClasses()), GetMetaModel());
if (shouldUpdate)
{
UpdateMetaModel();
}
_objectWriter.SetTriggerManager(_triggerManager);
_introspectionCallbackForInsert = new InstrumentationCallbackForStore(_triggerManager, false);
_introspectionCallbackForUpdate = new InstrumentationCallbackForStore(_triggerManager, true);
}
catch
{
if (parameters is FileIdentification)
{
Monitor.Exit(string.Intern(Path.GetFullPath(parameters.FileName)));
}
throw;
}
}
public FileSystemInterface(IDbIdentification fileIdentification, int bufferSize, ISession session)
{
fileIdentification.EnsureDirectories();
_fileIdentification = fileIdentification;
_io = fileIdentification.GetIO(bufferSize);
_session = session;
}