private int CopyFieldsNoDeletions(FieldSelector fieldSelectorMerge, FieldsWriter fieldsWriter, IndexReader reader, FieldsReader matchingFieldsReader)
{
int maxDoc = reader.MaxDoc();
int docCount = 0;
if (matchingFieldsReader != null)
{
// We can bulk-copy because the fieldInfos are "congruent"
while (docCount < maxDoc)
{
int len = System.Math.Min(MAX_RAW_MERGE_DOCS, maxDoc - docCount);
IndexInput stream = matchingFieldsReader.RawDocs(rawDocLengths, docCount, len);
fieldsWriter.AddRawDocuments(stream, rawDocLengths, len);
docCount += len;
checkAbort.Work(300 * len);
}
}
else
{
for (; docCount < maxDoc; docCount++)
{
// NOTE: it's very important to first assign to doc then pass it to
// termVectorsWriter.addAllDocVectors; see LUCENE-1282
Document doc = reader.Document(docCount, fieldSelectorMerge);
fieldsWriter.AddDocument(doc);
checkAbort.Work(300);
}
}
return(docCount);
}
internal void AddDocument(Document doc)
{
indexStream.WriteLong(fieldsStream.GetFilePointer());
int storedCount = 0;
System.Collections.IEnumerator fieldIterator = doc.GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable)fieldIterator.Current;
if (field.IsStored())
{
storedCount++;
}
}
fieldsStream.WriteVInt(storedCount);
fieldIterator = doc.GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable)fieldIterator.Current;
if (field.IsStored())
{
WriteField(fieldInfos.FieldInfo(field.Name()), field);
}
}
}
// append fields from storedFieldReaders
public override Document Document(int n, FieldSelector fieldSelector)
{
EnsureOpen();
Document result = new Document();
for (int i = 0; i < storedFieldReaders.Count; i++)
{
IndexReader reader = (IndexReader)storedFieldReaders[i];
bool include = (fieldSelector == null);
if (!include)
{
System.Collections.IEnumerator it = ((System.Collections.ICollection)readerToFields[reader]).GetEnumerator();
while (it.MoveNext())
{
if (fieldSelector.Accept((System.String)it.Current) != FieldSelectorResult.NO_LOAD)
{
include = true;
break;
}
}
}
if (include)
{
System.Collections.IEnumerator fieldIterator = reader.Document(n, fieldSelector).GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
result.Add((Fieldable)fieldIterator.Current);
}
}
}
return(result);
}
private int CopyFieldsWithDeletions(FieldSelector fieldSelectorMerge, FieldsWriter fieldsWriter, IndexReader reader, FieldsReader matchingFieldsReader)
{
int docCount = 0;
int maxDoc = reader.MaxDoc();
if (matchingFieldsReader != null)
{
// We can bulk-copy because the fieldInfos are "congruent"
for (int j = 0; j < maxDoc;)
{
if (reader.IsDeleted(j))
{
// skip deleted docs
++j;
continue;
}
// We can optimize this case (doing a bulk byte copy) since the field
// numbers are identical
int start = j, numDocs = 0;
do
{
j++;
numDocs++;
if (j >= maxDoc)
{
break;
}
if (reader.IsDeleted(j))
{
j++;
break;
}
}while (numDocs < MAX_RAW_MERGE_DOCS);
IndexInput stream = matchingFieldsReader.RawDocs(rawDocLengths, start, numDocs);
fieldsWriter.AddRawDocuments(stream, rawDocLengths, numDocs);
docCount += numDocs;
checkAbort.Work(300 * numDocs);
}
}
else
{
for (int j = 0; j < maxDoc; j++)
{
if (reader.IsDeleted(j))
{
// skip deleted docs
continue;
}
// NOTE: it's very important to first assign to doc then pass it to
// termVectorsWriter.addAllDocVectors; see LUCENE-1282
Document doc = reader.Document(j, fieldSelectorMerge);
fieldsWriter.AddDocument(doc);
docCount++;
checkAbort.Work(300);
}
}
return(docCount);
}
/// <summary>Adds field info for a Document. </summary>
public void Add(Document doc)
{
lock (this)
{
System.Collections.IList fields = doc.GetFields();
System.Collections.IEnumerator fieldIterator = fields.GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable)fieldIterator.Current;
Add(field.Name(), field.IsIndexed(), field.IsTermVectorStored(), field.IsStorePositionWithTermVector(), field.IsStoreOffsetWithTermVector(), field.GetOmitNorms(), false, field.GetOmitTf());
}
}
}
/// <summary> Adds a document to this index, using the provided analyzer instead of the
/// one specific in the constructor. If the document contains more than
/// {@link #SetMaxFieldLength(int)} terms for a given field, the remainder are
/// discarded.
/// </summary>
/// <seealso cref="IndexWriter.AddDocument(Document, Analyzer)">
/// </seealso>
/// <throws> IllegalStateException if the index is closed </throws>
/// <throws> CorruptIndexException if the index is corrupt </throws>
/// <throws> LockObtainFailedException if another writer </throws>
/// <summary> has this index open (<code>write.lock</code> could not
/// be obtained)
/// </summary>
/// <throws> IOException if there is a low-level IO error </throws>
public virtual void AddDocument(Document doc, Analyzer docAnalyzer)
{
lock (directory)
{
AssureOpen();
CreateIndexWriter();
if (docAnalyzer != null)
{
indexWriter.AddDocument(doc, docAnalyzer);
}
else
{
indexWriter.AddDocument(doc);
}
}
}
/// <summary> Test stored fields for a segment.</summary>
private Status.StoredFieldStatus TestStoredFields(SegmentInfo info, SegmentReader reader, System.Globalization.NumberFormatInfo format)
{
Status.StoredFieldStatus status = new Status.StoredFieldStatus();
try
{
if (infoStream != null)
{
infoStream.Write(" test: stored fields.......");
}
// Scan stored fields for all documents
for (int j = 0; j < info.docCount; ++j)
{
if (!reader.IsDeleted(j))
{
status.docCount++;
Document doc = reader.Document(j);
status.totFields += doc.GetFields().Count;
}
}
// Validate docCount
if (status.docCount != reader.NumDocs())
{
throw new System.SystemException("docCount=" + status.docCount + " but saw " + status.docCount + " undeleted docs");
}
Msg(string.Format(format, "OK [{0:d} total field count; avg {1:f} fields per doc]", new object[] { status.totFields, (((float)status.totFields) / status.docCount) }));
}
catch (System.Exception e)
{
Msg("ERROR [" + System.Convert.ToString(e.Message) + "]");
status.error = e;
if (infoStream != null)
{
infoStream.WriteLine(e.StackTrace);
}
}
return(status);
}
private void FetchTheHit()
{
doc = hits.Doc(hitNumber);
resolved = true;
}
public override DocumentsWriter.DocWriter ProcessDocument()
{
consumer.StartDocument();
fieldsWriter.StartDocument();
Document doc = docState.doc;
System.Diagnostics.Debug.Assert(docFieldProcessor.docWriter.writer.TestPoint("DocumentsWriter.ThreadState.init start"));
fieldCount = 0;
int thisFieldGen = fieldGen++;
System.Collections.IList docFields = doc.GetFields();
int numDocFields = docFields.Count;
// Absorb any new fields first seen in this document.
// Also absorb any changes to fields we had already
// seen before (eg suddenly turning on norms or
// vectors, etc.):
for (int i = 0; i < numDocFields; i++)
{
Fieldable field = (Fieldable)docFields[i];
System.String fieldName = field.Name();
// Make sure we have a PerField allocated
int hashPos = fieldName.GetHashCode() & hashMask;
DocFieldProcessorPerField fp = fieldHash[hashPos];
while (fp != null && !fp.fieldInfo.name.Equals(fieldName))
{
fp = fp.next;
}
if (fp == null)
{
// TODO FI: we need to genericize the "flags" that a
// field holds, and, how these flags are merged; it
// needs to be more "pluggable" such that if I want
// to have a new "thing" my Fields can do, I can
// easily add it
FieldInfo fi = fieldInfos.Add(fieldName, field.IsIndexed(), field.IsTermVectorStored(), field.IsStorePositionWithTermVector(), field.IsStoreOffsetWithTermVector(), field.GetOmitNorms(), false, field.GetOmitTf());
fp = new DocFieldProcessorPerField(this, fi);
fp.next = fieldHash[hashPos];
fieldHash[hashPos] = fp;
totalFieldCount++;
if (totalFieldCount >= fieldHash.Length / 2)
{
Rehash();
}
}
else
{
fp.fieldInfo.Update(field.IsIndexed(), field.IsTermVectorStored(), field.IsStorePositionWithTermVector(), field.IsStoreOffsetWithTermVector(), field.GetOmitNorms(), false, field.GetOmitTf());
}
if (thisFieldGen != fp.lastGen)
{
// First time we're seeing this field for this doc
fp.fieldCount = 0;
if (fieldCount == fields.Length)
{
int newSize = fields.Length * 2;
DocFieldProcessorPerField[] newArray = new DocFieldProcessorPerField[newSize];
Array.Copy(fields, 0, newArray, 0, fieldCount);
fields = newArray;
}
fields[fieldCount++] = fp;
fp.lastGen = thisFieldGen;
}
if (fp.fieldCount == fp.fields.Length)
{
Fieldable[] newArray = new Fieldable[fp.fields.Length * 2];
Array.Copy(fp.fields, 0, newArray, 0, fp.fieldCount);
fp.fields = newArray;
}
fp.fields[fp.fieldCount++] = field;
if (field.IsStored())
{
fieldsWriter.AddField(field, fp.fieldInfo);
}
}
// If we are writing vectors then we must visit
// fields in sorted order so they are written in
// sorted order. TODO: we actually only need to
// sort the subset of fields that have vectors
// enabled; we could save [small amount of] CPU
// here.
QuickSort(fields, 0, fieldCount - 1);
for (int i = 0; i < fieldCount; i++)
{
fields[i].consumer.ProcessFields(fields[i].fields, fields[i].fieldCount);
}
if (docState.maxTermPrefix != null && docState.infoStream != null)
{
docState.infoStream.WriteLine("WARNING: document contains at least one immense term (longer than the max length " + DocumentsWriter.MAX_TERM_LENGTH + "), all of which were skipped. Please correct the analyzer to not produce such terms. The prefix of the first immense term is: '" + docState.maxTermPrefix + "...'");
docState.maxTermPrefix = null;
}
DocumentsWriter.DocWriter one = fieldsWriter.FinishDocument();
DocumentsWriter.DocWriter two = consumer.FinishDocument();
if (one == null)
{
return(two);
}
else if (two == null)
{
return(one);
}
else
{
PerDoc both = GetPerDoc();
both.docID = docState.docID;
System.Diagnostics.Debug.Assert(one.docID == docState.docID);
System.Diagnostics.Debug.Assert(two.docID == docState.docID);
both.one = one;
both.two = two;
return(both);
}
}
// append fields from storedFieldReaders
public override Document Document(int n, FieldSelector fieldSelector)
{
EnsureOpen();
Document result = new Document();
for (int i = 0; i < storedFieldReaders.Count; i++)
{
IndexReader reader = (IndexReader) storedFieldReaders[i];
bool include = (fieldSelector == null);
if (!include)
{
System.Collections.IEnumerator it = ((System.Collections.ICollection) readerToFields[reader]).GetEnumerator();
while (it.MoveNext())
{
if (fieldSelector.Accept((System.String) it.Current) != FieldSelectorResult.NO_LOAD)
{
include = true;
break;
}
}
}
if (include)
{
System.Collections.IEnumerator fieldIterator = reader.Document(n, fieldSelector).GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
result.Add((Fieldable) fieldIterator.Current);
}
}
}
return result;
}
internal void AddDocument(Document doc)
{
indexStream.WriteLong(fieldsStream.GetFilePointer());
int storedCount = 0;
System.Collections.IEnumerator fieldIterator = doc.GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable) fieldIterator.Current;
if (field.IsStored())
storedCount++;
}
fieldsStream.WriteVInt(storedCount);
fieldIterator = doc.GetFields().GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable) fieldIterator.Current;
if (field.IsStored())
WriteField(fieldInfos.FieldInfo(field.Name()), field);
}
}
private void FetchTheHit()
{
doc = hits.Doc(hitNumber);
resolved = true;
}
/// <summary>Returns a free (idle) ThreadState that may be used for
/// indexing this one document. This call also pauses if a
/// flush is pending. If delTerm is non-null then we
/// buffer this deleted term after the thread state has
/// been acquired.
/// </summary>
internal DocumentsWriterThreadState GetThreadState(Document doc, Term delTerm)
{
lock (this)
{
// First, find a thread state. If this thread already
// has affinity to a specific ThreadState, use that one
// again.
DocumentsWriterThreadState state = (DocumentsWriterThreadState) threadBindings[SupportClass.ThreadClass.Current()];
if (state == null)
{
// First time this thread has called us since last
// flush. Find the least loaded thread state:
DocumentsWriterThreadState minThreadState = null;
for (int i = 0; i < threadStates.Length; i++)
{
DocumentsWriterThreadState ts = threadStates[i];
if (minThreadState == null || ts.numThreads < minThreadState.numThreads)
minThreadState = ts;
}
if (minThreadState != null && (minThreadState.numThreads == 0 || threadStates.Length >= MAX_THREAD_STATE))
{
state = minThreadState;
state.numThreads++;
}
else
{
// Just create a new "private" thread state
DocumentsWriterThreadState[] newArray = new DocumentsWriterThreadState[1 + threadStates.Length];
if (threadStates.Length > 0)
Array.Copy(threadStates, 0, newArray, 0, threadStates.Length);
state = newArray[threadStates.Length] = new DocumentsWriterThreadState(this);
threadStates = newArray;
}
threadBindings[SupportClass.ThreadClass.Current()] = state;
}
// Next, wait until my thread state is idle (in case
// it's shared with other threads) and for threads to
// not be paused nor a flush pending:
WaitReady(state);
// Allocate segment name if this is the first doc since
// last flush:
InitSegmentName(false);
state.isIdle = false;
bool success = false;
try
{
state.docState.docID = nextDocID;
System.Diagnostics.Debug.Assert(writer.TestPoint("DocumentsWriter.ThreadState.init start"));
if (delTerm != null)
{
AddDeleteTerm(delTerm, state.docState.docID);
state.doFlushAfter = TimeToFlushDeletes();
}
System.Diagnostics.Debug.Assert(writer.TestPoint("DocumentsWriter.ThreadState.init after delTerm"));
nextDocID++;
numDocsInRAM++;
// We must at this point commit to flushing to ensure we
// always get N docs when we flush by doc count, even if
// > 1 thread is adding documents:
if (!flushPending && maxBufferedDocs != IndexWriter.DISABLE_AUTO_FLUSH && numDocsInRAM >= maxBufferedDocs)
{
flushPending = true;
state.doFlushAfter = true;
}
success = true;
}
finally
{
if (!success)
{
// Forcefully idle this ThreadState:
state.isIdle = true;
System.Threading.Monitor.PulseAll(this);
if (state.doFlushAfter)
{
state.doFlushAfter = false;
flushPending = false;
}
}
}
return state;
}
}
public void Clear()
{
// don't hold onto doc nor analyzer, in case it is
// largish:
doc = null;
analyzer = null;
}
/// <summary> Adds a document to this index. If the document contains more than
/// {@link #SetMaxFieldLength(int)} terms for a given field, the remainder are
/// discarded.
/// </summary>
/// <seealso cref="IndexWriter.AddDocument(Document)">
/// </seealso>
/// <throws> IllegalStateException if the index is closed </throws>
/// <throws> CorruptIndexException if the index is corrupt </throws>
/// <throws> LockObtainFailedException if another writer </throws>
/// <summary> has this index open (<code>write.lock</code> could not
/// be obtained)
/// </summary>
/// <throws> IOException if there is a low-level IO error </throws>
public virtual void AddDocument(Document doc)
{
AddDocument(doc, null);
}
/// <summary> Adds a document to this index. If the document contains more than
/// {@link #SetMaxFieldLength(int)} terms for a given field, the remainder are
/// discarded.
/// </summary>
/// <seealso cref="IndexWriter.AddDocument(Document)">
/// </seealso>
/// <throws> IllegalStateException if the index is closed </throws>
/// <throws> CorruptIndexException if the index is corrupt </throws>
/// <throws> LockObtainFailedException if another writer </throws>
/// <summary> has this index open (<code>write.lock</code> could not
/// be obtained)
/// </summary>
/// <throws> IOException if there is a low-level IO error </throws>
public virtual void AddDocument(Document doc)
{
AddDocument(doc, null);
}
/// <summary>Returns true if the caller (IndexWriter) should now
/// flush.
/// </summary>
internal bool AddDocument(Document doc, Analyzer analyzer)
{
return UpdateDocument(doc, analyzer, null);
}
/// <summary> Adds a document to this index. If the document contains more than
/// {@link #SetMaxFieldLength(int)} terms for a given field, the remainder are
/// discarded.
///
/// <p/> Note that if an Exception is hit (for example disk full)
/// then the index will be consistent, but this document
/// may not have been added. Furthermore, it's possible
/// the index will have one segment in non-compound format
/// even when using compound files (when a merge has
/// partially succeeded).<p/>
///
/// <p/> This method periodically flushes pending documents
/// to the Directory (see <a href="#flush">above</a>), and
/// also periodically triggers segment merges in the index
/// according to the {@link MergePolicy} in use.<p/>
///
/// <p/>Merges temporarily consume space in the
/// directory. The amount of space required is up to 1X the
/// size of all segments being merged, when no
/// readers/searchers are open against the index, and up to
/// 2X the size of all segments being merged when
/// readers/searchers are open against the index (see
/// {@link #Optimize()} for details). The sequence of
/// primitive merge operations performed is governed by the
/// merge policy.
///
/// <p/>Note that each term in the document can be no longer
/// than 16383 characters, otherwise an
/// IllegalArgumentException will be thrown.<p/>
///
/// <p/>Note that it's possible to create an invalid Unicode
/// string in java if a UTF16 surrogate pair is malformed.
/// In this case, the invalid characters are silently
/// replaced with the Unicode replacement character
/// U+FFFD.<p/>
///
/// <p/><b>NOTE</b>: if this method hits an OutOfMemoryError
/// you should immediately close the writer. See <a
/// href="#OOME">above</a> for details.<p/>
///
/// </summary>
/// <throws> CorruptIndexException if the index is corrupt </throws>
/// <throws> IOException if there is a low-level IO error </throws>
public virtual void AddDocument(Document doc)
{
AddDocument(doc, analyzer);
}
/// <summary> Updates a document by first deleting the document(s)
/// containing <code>term</code> and then adding the new
/// document. The delete and then add are atomic as seen
/// by a reader on the same index (flush may happen only after
/// the add).
///
/// <p/><b>NOTE</b>: if this method hits an OutOfMemoryError
/// you should immediately close the writer. See <a
/// href="#OOME">above</a> for details.<p/>
///
/// </summary>
/// <param name="term">the term to identify the document(s) to be
/// deleted
/// </param>
/// <param name="doc">the document to be added
/// </param>
/// <param name="analyzer">the analyzer to use when analyzing the document
/// </param>
/// <throws> CorruptIndexException if the index is corrupt </throws>
/// <throws> IOException if there is a low-level IO error </throws>
public virtual void UpdateDocument(Term term, Document doc, Analyzer analyzer)
{
EnsureOpen();
try
{
bool doFlush = false;
bool success = false;
try
{
doFlush = docWriter.UpdateDocument(term, doc, analyzer);
success = true;
}
finally
{
if (!success)
{
if (infoStream != null)
Message("hit exception updating document");
lock (this)
{
// If docWriter has some aborted files that were
// never incref'd, then we clean them up here
System.Collections.Generic.ICollection<string> files = docWriter.AbortedFiles();
if (files != null)
deleter.DeleteNewFiles(files);
}
}
}
if (doFlush)
Flush(true, false, false);
}
catch (System.OutOfMemoryException oom)
{
HandleOOM(oom, "updateDocument");
}
}
/// <summary> Updates a document by first deleting the document(s)
/// containing <code>term</code> and then adding the new
/// document. The delete and then add are atomic as seen
/// by a reader on the same index (flush may happen only after
/// the add).
///
/// <p/><b>NOTE</b>: if this method hits an OutOfMemoryError
/// you should immediately close the writer. See <a
/// href="#OOME">above</a> for details.<p/>
///
/// </summary>
/// <param name="term">the term to identify the document(s) to be
/// deleted
/// </param>
/// <param name="doc">the document to be added
/// </param>
/// <throws> CorruptIndexException if the index is corrupt </throws>
/// <throws> IOException if there is a low-level IO error </throws>
public virtual void UpdateDocument(Term term, Document doc)
{
EnsureOpen();
UpdateDocument(term, doc, GetAnalyzer());
}
internal bool UpdateDocument(Term t, Document doc, Analyzer analyzer)
{
return UpdateDocument(doc, analyzer, t);
}
/// <summary> Adds a document to this index, using the provided analyzer instead of the
/// one specific in the constructor. If the document contains more than
/// {@link #SetMaxFieldLength(int)} terms for a given field, the remainder are
/// discarded.
/// </summary>
/// <seealso cref="IndexWriter.AddDocument(Document, Analyzer)">
/// </seealso>
/// <throws> IllegalStateException if the index is closed </throws>
/// <throws> CorruptIndexException if the index is corrupt </throws>
/// <throws> LockObtainFailedException if another writer </throws>
/// <summary> has this index open (<code>write.lock</code> could not
/// be obtained)
/// </summary>
/// <throws> IOException if there is a low-level IO error </throws>
public virtual void AddDocument(Document doc, Analyzer docAnalyzer)
{
lock (directory)
{
AssureOpen();
CreateIndexWriter();
if (docAnalyzer != null)
indexWriter.AddDocument(doc, docAnalyzer);
else
indexWriter.AddDocument(doc);
}
}
/// <summary>Adds field info for a Document. </summary>
public void Add(Document doc)
{
lock (this)
{
System.Collections.IList fields = doc.GetFields();
System.Collections.IEnumerator fieldIterator = fields.GetEnumerator();
while (fieldIterator.MoveNext())
{
Fieldable field = (Fieldable) fieldIterator.Current;
Add(field.Name(), field.IsIndexed(), field.IsTermVectorStored(), field.IsStorePositionWithTermVector(), field.IsStoreOffsetWithTermVector(), field.GetOmitNorms(), false, field.GetOmitTf());
}
}
}
internal bool UpdateDocument(Document doc, Analyzer analyzer, Term delTerm)
{
// This call is synchronized but fast
DocumentsWriterThreadState state = GetThreadState(doc, delTerm);
DocState docState = state.docState;
docState.doc = doc;
docState.analyzer = analyzer;
bool doReturnFalse = false; // {{Aroush-2.9}} to handle return from finally clause
bool success = false;
try
{
// This call is not synchronized and does all the
// work
DocWriter perDoc;
try
{
perDoc = state.consumer.ProcessDocument();
}
finally
{
docState.Clear();
}
// This call is synchronized but fast
FinishDocument(state, perDoc);
success = true;
}
finally
{
if (!success)
{
lock (this)
{
if (aborting)
{
state.isIdle = true;
System.Threading.Monitor.PulseAll(this);
Abort();
}
else
{
skipDocWriter.docID = docState.docID;
bool success2 = false;
try
{
waitQueue.Add(skipDocWriter);
success2 = true;
}
finally
{
if (!success2)
{
state.isIdle = true;
System.Threading.Monitor.PulseAll(this);
Abort();
// return false; // {{Aroush-2.9}} this 'return false' is move to outside finally
doReturnFalse = true;
}
}
if (!doReturnFalse) // {{Aroush-2.9}} added because of the above 'return false' removal
{
state.isIdle = true;
System.Threading.Monitor.PulseAll(this);
// If this thread state had decided to flush, we
// must clear it so another thread can flush
if (state.doFlushAfter)
{
state.doFlushAfter = false;
flushPending = false;
System.Threading.Monitor.PulseAll(this);
}
// Immediately mark this document as deleted
// since likely it was partially added. This
// keeps indexing as "all or none" (atomic) when
// adding a document:
AddDeleteDocID(state.docState.docID);
}
}
}
}
}
if (doReturnFalse) // {{Aroush-2.9}} see comment abouve
{
return false;
}
return state.doFlushAfter || TimeToFlushDeletes();
}
