public override IndexInput OpenInput(string name, IOContext context)
{
lock (this)
{
MaybeThrowDeterministicException();
MaybeThrowIOExceptionOnOpen(name);
MaybeYield();
if (FailOnOpenInput_Renamed)
{
MaybeThrowDeterministicException();
}
if (!LuceneTestCase.SlowFileExists(@in, name))
{
throw new FileNotFoundException(name + " in dir=" + @in);
}
// cannot open a file for input if it's still open for
// output, except for segments.gen and segments_N
if (!AllowReadingFilesStillOpenForWrite_Renamed && OpenFilesForWrite.Contains(name) && !name.StartsWith("segments"))
{
throw FillOpenTrace(new System.IO.IOException("MockDirectoryWrapper: file \"" + name + "\" is still open for writing"), name, false);
}
IndexInput delegateInput = @in.OpenInput(name, LuceneTestCase.NewIOContext(RandomState, context));
IndexInput ii;
int randomInt = RandomState.Next(500);
if (randomInt == 0)
{
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine("MockDirectoryWrapper: using SlowClosingMockIndexInputWrapper for file " + name);
}
ii = new SlowClosingMockIndexInputWrapper(this, name, delegateInput);
}
else if (randomInt == 1)
{
if (LuceneTestCase.VERBOSE)
{
Console.WriteLine("MockDirectoryWrapper: using SlowOpeningMockIndexInputWrapper for file " + name);
}
ii = new SlowOpeningMockIndexInputWrapper(this, name, delegateInput);
}
else
{
ii = new MockIndexInputWrapper(this, name, delegateInput);
}
AddFileHandle(ii, name, Handle.Input);
return ii;
}
}
