public IEnumerable<IVertexView> Import(String myLocation,
IGraphDB myGraphDB,
IGraphQL myGraphQL,
SecurityToken mySecurityToken,
Int64 myTransactionToken,
UInt32 myParallelTasks = 1U,
IEnumerable<string> myComments = null,
UInt64? myOffset = null,
UInt64? myLimit = null,
VerbosityTypes myVerbosityType = VerbosityTypes.Silent,
Dictionary<string, string> myOptions = null)
{
if (myGraphDB == null)
throw new ArgumentNullException("myGraphDB");
if (myGraphQL == null)
throw new ArgumentNullException("myGraphQL");
if (!typeof(SonesGraphDB).Equals(myGraphDB.GetType()))
throw new ArgumentException("FASTIMPORT is designed for SonesGraphDB only.");
lock (_lock)
{
//if verbositiy is silent, we do not configure the logger, so it is an empty logger.
if (myVerbosityType != VerbosityTypes.Silent)
{
Level logLevel = (myVerbosityType == VerbosityTypes.Full)
? Level.FINE
: Level.INFO;
LogManager.Instance.ConfigureLogger("FastImport", new FileLogger(_logpath, logLevel));
}
//store some arguments as fields, because there is at most one execution at any time.
_logger = LogManager.Instance.GetLogger("FastImport");
_db = myGraphDB;
_ql = myGraphQL;
_security = mySecurityToken;
_transaction = myTransactionToken;
_offset = myOffset;
_limit = myLimit;
_currentImport = 0L;
_closed = false;
_autoCreateIncomingEdges = false;
if (myOptions != null)
{
if (myOptions.ContainsKey("AutoCreateIncomingEdges"))
bool.TryParse(myOptions["AutoCreateIncomingEdges"], out _autoCreateIncomingEdges);
}
if (!_autoCreateIncomingEdges)
_sorter = new IncomingEdgeSorter(myOptions);
try
{
if (myLocation.ToLower().StartsWith(@"file:\\"))
{
stream = GetStreamFromFile(myLocation.Substring(@"file:\\".Length));
}
else
{
_logger.Log(Level.SEVERE, "Location does not start with file:\\\\.");
throw new InvalidImportLocationException(myLocation, @"file:\\");
}
#region Start import using the AGraphDBImport implementation and return the result
return Import();
#endregion
}
catch (Exception ex)
{
//if something unexpected happens we log it and return a query result with failed.
_logger.Log(Level.SEVERE, "Exception thrown:\n", ex);
throw new ImportFailedException(ex);
}
finally
{
if (stream != null)
{
_logger.Log(Level.FINE, "Stream closed");
stream.Dispose();
if (_sorter != null)
_sorter.Dispose();
}
}
}
}
