public IAsyncResult BeginFlush(
SequenceNumber sequenceNumber,
AsyncCallback callback,
object state)
{
this.store.ValidateSequenceNumber(
ref sequenceNumber,
SequenceNumberConstraint.Arbitrary,
"sequenceNumber");
EnsureMarshalContext();
LogFlushAsyncResult flushResult = new LogFlushAsyncResult(this,
callback,
state);
if (sequenceNumber == SequenceNumber.Invalid)
{
flushResult.SequenceNumber = 0;
}
else
{
flushResult.SequenceNumber = sequenceNumber.High;
}
flushResult.Start();
return(flushResult);
}
public SequenceNumber EndFlush(
IAsyncResult result)
{
LogFlushAsyncResult lar = result as LogFlushAsyncResult;
if (lar == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(Error.InvalidAsyncResult());
}
lar.End();
return(new SequenceNumber(lar.ResultLsn));
}