internal bool UpdateDocuments(IEnumerable <IEnumerable <IIndexableField> > docs, Analyzer analyzer, Term delTerm)
{
bool hasEvents = PreUpdate();
ThreadState perThread = flushControl.ObtainAndLock();
DocumentsWriterPerThread flushingDWPT;
try
{
if (!perThread.IsActive)
{
EnsureOpen();
if (Debugging.AssertsEnabled)
{
Debugging.Assert(false, "perThread is not active but we are still open");
}
}
EnsureInitialized(perThread);
if (Debugging.AssertsEnabled)
{
Debugging.Assert(perThread.IsInitialized);
}
DocumentsWriterPerThread dwpt = perThread.dwpt;
int dwptNumDocs = dwpt.NumDocsInRAM;
try
{
int docCount = dwpt.UpdateDocuments(docs, analyzer, delTerm);
numDocsInRAM.AddAndGet(docCount);
}
finally
{
if (dwpt.CheckAndResetHasAborted())
{
if (dwpt.PendingFilesToDelete.Count > 0)
{
PutEvent(new DeleteNewFilesEvent(dwpt.PendingFilesToDelete));
}
SubtractFlushedNumDocs(dwptNumDocs);
flushControl.DoOnAbort(perThread);
}
}
bool isUpdate = delTerm != null;
flushingDWPT = flushControl.DoAfterDocument(perThread, isUpdate);
}
finally
{
perThreadPool.Release(perThread);
}
return(PostUpdate(flushingDWPT, hasEvents));
}
internal ThreadState ObtainAndLock()
{
ThreadState perThread = perThreadPool.GetAndLock(/* Thread.CurrentThread, documentsWriter // LUCENENET: Not used */);
bool success = false;
try
{
if (perThread.IsInitialized && perThread.dwpt.deleteQueue != documentsWriter.deleteQueue)
{
// There is a flush-all in process and this DWPT is
// now stale -- enroll it for flush and try for
// another DWPT:
AddFlushableState(perThread);
}
success = true;
// simply return the ThreadState even in a flush all case sine we already hold the lock
return(perThread);
}
finally
{
if (!success) // make sure we unlock if this fails
{
perThreadPool.Release(perThread);
}
}
}
