public override System.Object Clone()
{
IndexInput clone = null;
try
{
_fileMutex.WaitOne();
CompositeIndexInput input = new CompositeIndexInput(this, "clone");
clone = (IndexInput)input;
}
catch (System.Exception err)
{
Debug.WriteLine(err.ToString());
}
finally
{
_fileMutex.ReleaseMutex();
}
Debug.Assert(clone != null);
return(clone);
}
public CompositeIndexInput(CompositeIndexInput cloneInput, string resourceDescription) : base(resourceDescription)
{
_fileMutex = SyncMutexManager.GrabMutex(cloneInput._name);
_fileMutex.WaitOne();
try
{
#if FULLDEBUG
Debug.WriteLine(String.Format("Creating clone for {0}", cloneInput._name));
#endif
_syncDirectory = cloneInput._syncDirectory;
_indexInput = cloneInput._indexInput.Clone() as IndexInput;
}
catch (Exception)
{
// sometimes we get access denied on the 2nd stream...but not always. I haven't tracked it down yet
// but this covers our tail until I do
Debug.WriteLine(String.Format("Dagnabbit, falling back to memory clone for {0}", cloneInput._name));
}
finally
{
_fileMutex.ReleaseMutex();
}
}