public override void Run()
{
// First time through the while loop we do the merge
// that we were started with:
MergePolicy.OneMerge merge = this.startMerge;
try
{
if (outerInstance.IsVerbose)
{
outerInstance.Message(" merge thread: start");
}
while (true)
{
RunningMerge = merge;
outerInstance.DoMerge(merge);
// Subsequent times through the loop we do any new
// merge that writer says is necessary:
merge = tWriter.NextMerge();
// Notify here in case any threads were stalled;
// they will notice that the pending merge has
// been pulled and possibly resume:
lock (outerInstance)
{
Monitor.PulseAll(outerInstance);
}
if (merge != null)
{
outerInstance.UpdateMergeThreads();
if (outerInstance.IsVerbose)
{
outerInstance.Message(" merge thread: do another merge " + tWriter.SegString(merge.Segments));
}
}
else
{
break;
}
}
if (outerInstance.IsVerbose)
{
outerInstance.Message(" merge thread: done");
}
}
catch (Exception exc)
{
// Ignore the exception if it was due to abort:
if (!(exc is MergePolicy.MergeAbortedException))
{
//System.out.println(Thread.currentThread().getName() + ": CMS: exc");
//exc.printStackTrace(System.out);
if (!outerInstance.suppressExceptions)
{
// suppressExceptions is normally only set during
// testing.
outerInstance.HandleMergeException(exc);
}
}
}
finally
{
done = true;
lock (outerInstance)
{
outerInstance.UpdateMergeThreads();
Monitor.PulseAll(outerInstance);
}
}
}
