//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test void countFlushesAndBytesWritten()
internal virtual void CountFlushesAndBytesWritten()
{
PinEvent pinEvent = _pageCursorTracer.beginPin(true, 0, _swapper);
{
PageFaultEvent faultEvent = pinEvent.BeginPageFault();
{
EvictionEvent evictionEvent = faultEvent.BeginEviction();
{
FlushEventOpportunity flushEventOpportunity = evictionEvent.FlushEventOpportunity();
{
FlushEvent flushEvent = flushEventOpportunity.BeginFlush(0, 0, _swapper);
flushEvent.AddBytesWritten(27);
flushEvent.Done();
FlushEvent flushEvent1 = flushEventOpportunity.BeginFlush(0, 1, _swapper);
flushEvent1.AddBytesWritten(13);
flushEvent1.Done();
}
}
evictionEvent.Close();
}
faultEvent.Done();
}
pinEvent.Done();
assertEquals(1, _pageCursorTracer.pins());
assertEquals(1, _pageCursorTracer.unpins());
assertEquals(1, _pageCursorTracer.faults());
assertEquals(1, _pageCursorTracer.evictions());
assertEquals(2, _pageCursorTracer.flushes());
assertEquals(40, _pageCursorTracer.bytesWritten());
}
private void GenerateEventSet()
{
PinEvent pinEvent = _pageCursorTracer.beginPin(false, 0, _swapper);
{
PageFaultEvent pageFaultEvent = pinEvent.BeginPageFault();
pageFaultEvent.AddBytesRead(150);
{
EvictionEvent evictionEvent = pageFaultEvent.BeginEviction();
{
FlushEventOpportunity flushEventOpportunity = evictionEvent.FlushEventOpportunity();
FlushEvent flushEvent = flushEventOpportunity.BeginFlush(0, 0, _swapper);
flushEvent.AddBytesWritten(10);
flushEvent.Done();
}
evictionEvent.ThrewException(new IOException("eviction exception"));
evictionEvent.Close();
}
pageFaultEvent.Done();
}
pinEvent.Done();
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void flushFile(MuninnPagedFile muninnPagedFile, org.neo4j.io.pagecache.IOLimiter limiter) throws java.io.IOException
private void FlushFile(MuninnPagedFile muninnPagedFile, IOLimiter limiter)
{
try
{
using (MajorFlushEvent fileFlush = _pageCacheTracer.beginFileFlush(muninnPagedFile.Swapper))
{
FlushEventOpportunity flushOpportunity = fileFlush.FlushEventOpportunity();
muninnPagedFile.FlushAndForceInternal(flushOpportunity, false, limiter);
}
}
catch (ClosedChannelException e)
{
if (muninnPagedFile.RefCount > 0)
{
// The file is not supposed to be closed, since we have a positive ref-count, yet we got a
// ClosedChannelException anyway? It's an odd situation, so let's tell the outside world about
// this failure.
throw e;
}
// Otherwise: The file was closed while we were trying to flush it. Since unmapping implies a flush
// anyway, we can safely assume that this is not a problem. The file was flushed, and it doesn't
// really matter how that happened. We'll ignore this exception.
}
}