internal IndexOutput CreateOutput(string name, IOContext context)
{
EnsureOpen();
bool success = false;
bool outputLocked = false;
try
{
if (Debugging.AssertsEnabled)
{
Debugging.Assert(name != null, "name must not be null");
}
if (entries.ContainsKey(name))
{
throw new ArgumentException("File " + name + " already exists");
}
FileEntry entry = new FileEntry();
entry.File = name;
entries[name] = entry;
string id = IndexFileNames.StripSegmentName(name);
if (Debugging.AssertsEnabled)
{
Debugging.Assert(!seenIDs.Contains(id), () => "file=\"" + name + "\" maps to id=\"" + id + "\", which was already written");
}
seenIDs.Add(id);
DirectCFSIndexOutput @out;
if ((outputLocked = outputTaken.CompareAndSet(false, true)))
{
@out = new DirectCFSIndexOutput(this, GetOutput(), entry, false);
}
else
{
entry.Dir = this.directory;
@out = new DirectCFSIndexOutput(this, directory.CreateOutput(name, context), entry, true);
}
success = true;
return(@out);
}
finally
{
if (!success)
{
entries.Remove(name);
if (outputLocked) // release the output lock if not successful
{
if (Debugging.AssertsEnabled)
{
Debugging.Assert(outputTaken);
}
ReleaseOutputLock();
}
}
}
}
internal IndexOutput CreateOutput(string name, IOContext context)
{
EnsureOpen();
bool success = false;
bool outputLocked = false;
try
{
Debug.Assert(name != null, "name must not be null");
if (Entries.ContainsKey(name))
{
throw new System.ArgumentException("File " + name + " already exists");
}
FileEntry entry = new FileEntry();
entry.File = name;
Entries[name] = entry;
string id = IndexFileNames.StripSegmentName(name);
Debug.Assert(!SeenIDs.Contains(id), "file=\"" + name + "\" maps to id=\"" + id + "\", which was already written");
SeenIDs.Add(id);
DirectCFSIndexOutput @out;
if ((outputLocked = OutputTaken.CompareAndSet(false, true)))
{
@out = new DirectCFSIndexOutput(this, Output, entry, false);
}
else
{
entry.Dir = this.Directory_Renamed;
@out = new DirectCFSIndexOutput(this, Directory_Renamed.CreateOutput(name, context), entry, true);
}
success = true;
return @out;
}
finally
{
if (!success)
{
Entries.Remove(name);
if (outputLocked) // release the output lock if not successful
{
Debug.Assert(OutputTaken.Get());
ReleaseOutputLock();
}
}
}
}
