public virtual bool WriteLiveDocs(Directory dir)
{
UninterruptableMonitor.Enter(this);
try
{
if (Debugging.AssertsEnabled)
{
Debugging.Assert(UninterruptableMonitor.IsEntered(writer));
}
//System.out.println("rld.writeLiveDocs seg=" + info + " pendingDelCount=" + pendingDeleteCount + " numericUpdates=" + numericUpdates);
if (pendingDeleteCount == 0)
{
return(false);
}
// We have new deletes
if (Debugging.AssertsEnabled)
{
Debugging.Assert(liveDocs.Length == Info.Info.DocCount);
}
// Do this so we can delete any created files on
// exception; this saves all codecs from having to do
// it:
TrackingDirectoryWrapper trackingDir = new TrackingDirectoryWrapper(dir);
// We can write directly to the actual name (vs to a
// .tmp & renaming it) because the file is not live
// until segments file is written:
bool success = false;
try
{
Codec codec = Info.Info.Codec;
codec.LiveDocsFormat.WriteLiveDocs((IMutableBits)liveDocs, trackingDir, Info, pendingDeleteCount, IOContext.DEFAULT);
success = true;
}
finally
{
if (!success)
{
// Advance only the nextWriteDelGen so that a 2nd
// attempt to write will write to a new file
Info.AdvanceNextWriteDelGen();
// Delete any partially created file(s):
foreach (string fileName in trackingDir.CreatedFiles)
{
try
{
dir.DeleteFile(fileName);
}
catch (Exception t) when(t.IsThrowable())
{
// Ignore so we throw only the first exc
}
}
}
}
// If we hit an exc in the line above (eg disk full)
// then info's delGen remains pointing to the previous
// (successfully written) del docs:
Info.AdvanceDelGen();
Info.DelCount = Info.DelCount + pendingDeleteCount;
pendingDeleteCount = 0;
return(true);
}
finally
{
UninterruptableMonitor.Exit(this);
}
}