| public SetMaxBufferedDeleteTerms ( int maxBufferedDeleteTerms ) : void | ||
| maxBufferedDeleteTerms | int | |
| Résultat | void | |
public virtual void TestRAMDeletes()
{
for (int pass = 0; pass < 2; pass++)
{
for (int t = 0; t < 2; t++)
{
bool autoCommit = (0 == pass);
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer(), true);
modifier.SetMaxBufferedDocs(4);
modifier.SetMaxBufferedDeleteTerms(4);
int id = 0;
int value_Renamed = 100;
AddDoc(modifier, ++id, value_Renamed);
if (0 == t)
{
modifier.DeleteDocuments(new Term("value", System.Convert.ToString(value_Renamed)));
}
else
{
modifier.DeleteDocuments(new TermQuery(new Term("value", System.Convert.ToString(value_Renamed))));
}
AddDoc(modifier, ++id, value_Renamed);
if (0 == t)
{
modifier.DeleteDocuments(new Term("value", System.Convert.ToString(value_Renamed)));
Assert.AreEqual(2, modifier.GetNumBufferedDeleteTerms());
Assert.AreEqual(1, modifier.GetBufferedDeleteTermsSize());
}
else
{
modifier.DeleteDocuments(new TermQuery(new Term("value", System.Convert.ToString(value_Renamed))));
}
AddDoc(modifier, ++id, value_Renamed);
Assert.AreEqual(0, modifier.GetSegmentCount());
modifier.Flush();
modifier.Commit();
IndexReader reader = IndexReader.Open(dir);
Assert.AreEqual(1, reader.NumDocs());
int hitCount = GetHitCount(dir, new Term("id", System.Convert.ToString(id)));
Assert.AreEqual(1, hitCount);
reader.Close();
modifier.Close();
dir.Close();
}
}
}
public virtual void TestMaxBufferedDeletes()
{
Directory dir = new MockRAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true,
IndexWriter.MaxFieldLength.UNLIMITED, null);
writer.SetMaxBufferedDeleteTerms(1);
writer.DeleteDocuments(null, new Term("foobar", "1"));
writer.DeleteDocuments(null, new Term("foobar", "1"));
writer.DeleteDocuments(null, new Term("foobar", "1"));
Assert.AreEqual(3, writer.GetFlushDeletesCount());
writer.Close();
dir.Close();
}
public virtual void TestDeleteAll()
{
for (int pass = 0; pass < 2; pass++)
{
bool autoCommit = (0 == pass);
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer(), true);
modifier.SetMaxBufferedDocs(2);
modifier.SetMaxBufferedDeleteTerms(2);
int id = 0;
int value_Renamed = 100;
for (int i = 0; i < 7; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
modifier.Commit();
IndexReader reader = IndexReader.Open(dir);
Assert.AreEqual(7, reader.NumDocs());
reader.Close();
// Add 1 doc (so we will have something buffered)
AddDoc(modifier, 99, value_Renamed);
// Delete all
modifier.DeleteAll();
// Delete all shouldn't be on disk yet
reader = IndexReader.Open(dir);
Assert.AreEqual(7, reader.NumDocs());
reader.Close();
// Add a doc and update a doc (after the deleteAll, before the commit)
AddDoc(modifier, 101, value_Renamed);
UpdateDoc(modifier, 102, value_Renamed);
// commit the delete all
modifier.Commit();
// Validate there are no docs left
reader = IndexReader.Open(dir);
Assert.AreEqual(2, reader.NumDocs());
reader.Close();
modifier.Close();
dir.Close();
}
}
public virtual void TestBatchDeletes()
{
for (int pass = 0; pass < 2; pass++)
{
bool autoCommit = (0 == pass);
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer(), true);
modifier.SetMaxBufferedDocs(2);
modifier.SetMaxBufferedDeleteTerms(2);
int id = 0;
int value_Renamed = 100;
for (int i = 0; i < 7; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
modifier.Commit();
IndexReader reader = IndexReader.Open(dir);
Assert.AreEqual(7, reader.NumDocs());
reader.Close();
id = 0;
modifier.DeleteDocuments(new Term("id", System.Convert.ToString(++id)));
modifier.DeleteDocuments(new Term("id", System.Convert.ToString(++id)));
modifier.Commit();
reader = IndexReader.Open(dir);
Assert.AreEqual(5, reader.NumDocs());
reader.Close();
Term[] terms = new Term[3];
for (int i = 0; i < terms.Length; i++)
{
terms[i] = new Term("id", System.Convert.ToString(++id));
}
modifier.DeleteDocuments(terms);
modifier.Commit();
reader = IndexReader.Open(dir);
Assert.AreEqual(2, reader.NumDocs());
reader.Close();
modifier.Close();
dir.Close();
}
}
public virtual void TestMaxBufferedDeletes()
{
for (int pass = 0; pass < 2; pass++)
{
bool autoCommit = (0 == pass);
Directory dir = new MockRAMDirectory();
IndexWriter writer = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer(), true);
writer.SetMaxBufferedDeleteTerms(1);
writer.DeleteDocuments(new Term("foobar", "1"));
writer.DeleteDocuments(new Term("foobar", "1"));
writer.DeleteDocuments(new Term("foobar", "1"));
Assert.AreEqual(3, writer.GetFlushDeletesCount());
writer.Close();
dir.Close();
}
}
public virtual void TestBatchDeletes()
{
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, new WhitespaceAnalyzer(), true,
IndexWriter.MaxFieldLength.UNLIMITED, null);
modifier.SetMaxBufferedDocs(2);
modifier.SetMaxBufferedDeleteTerms(2);
int id = 0;
int value_Renamed = 100;
for (int i = 0; i < 7; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
modifier.Commit(null);
IndexReader reader = IndexReader.Open(dir, true, null);
Assert.AreEqual(7, reader.NumDocs());
reader.Close();
id = 0;
modifier.DeleteDocuments(null, new Term("id", System.Convert.ToString(++id)));
modifier.DeleteDocuments(null, new Term("id", System.Convert.ToString(++id)));
modifier.Commit(null);
reader = IndexReader.Open(dir, true, null);
Assert.AreEqual(5, reader.NumDocs());
reader.Close();
Term[] terms = new Term[3];
for (int i = 0; i < terms.Length; i++)
{
terms[i] = new Term("id", System.Convert.ToString(++id));
}
modifier.DeleteDocuments(null, terms);
modifier.Commit(null);
reader = IndexReader.Open(dir, true, null);
Assert.AreEqual(2, reader.NumDocs());
reader.Close();
modifier.Close();
dir.Close();
}
public virtual void TestDeleteAllNRT()
{
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.UNLIMITED, null);
modifier.SetMaxBufferedDocs(2);
modifier.SetMaxBufferedDeleteTerms(2);
int id = 0;
int value_Renamed = 100;
for (int i = 0; i < 7; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
modifier.Commit(null);
IndexReader reader = modifier.GetReader(null);
Assert.AreEqual(7, reader.NumDocs());
reader.Close();
AddDoc(modifier, ++id, value_Renamed);
AddDoc(modifier, ++id, value_Renamed);
// Delete all
modifier.DeleteAll(null);
reader = modifier.GetReader(null);
Assert.AreEqual(0, reader.NumDocs());
reader.Close();
// Roll it back
modifier.Rollback(null);
modifier.Close();
// Validate that the docs are still there
reader = IndexReader.Open(dir, true, null);
Assert.AreEqual(7, reader.NumDocs());
reader.Close();
dir.Close();
}
public virtual void TestSimpleCase()
{
System.String[] keywords = new System.String[] { "1", "2" };
System.String[] unindexed = new System.String[] { "Netherlands", "Italy" };
System.String[] unstored = new System.String[] { "Amsterdam has lots of bridges", "Venice has lots of canals" };
System.String[] text = new System.String[] { "Amsterdam", "Venice" };
for (int pass = 0; pass < 2; pass++)
{
bool autoCommit = (0 == pass);
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer(), true);
modifier.SetUseCompoundFile(true);
modifier.SetMaxBufferedDeleteTerms(1);
for (int i = 0; i < keywords.Length; i++)
{
Document doc = new Document();
doc.Add(new Field("id", keywords[i], Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field("country", unindexed[i], Field.Store.YES, Field.Index.NO));
doc.Add(new Field("contents", unstored[i], Field.Store.NO, Field.Index.ANALYZED));
doc.Add(new Field("city", text[i], Field.Store.YES, Field.Index.ANALYZED));
modifier.AddDocument(doc);
}
modifier.Optimize();
modifier.Commit();
Term term = new Term("city", "Amsterdam");
int hitCount = GetHitCount(dir, term);
Assert.AreEqual(1, hitCount);
modifier.DeleteDocuments(term);
modifier.Commit();
hitCount = GetHitCount(dir, term);
Assert.AreEqual(0, hitCount);
modifier.Close();
dir.Close();
}
}
public virtual void TestNonRAMDelete()
{
for (int pass = 0; pass < 2; pass++)
{
bool autoCommit = (0 == pass);
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer(), true);
modifier.SetMaxBufferedDocs(2);
modifier.SetMaxBufferedDeleteTerms(2);
int id = 0;
int value_Renamed = 100;
for (int i = 0; i < 7; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
modifier.Commit();
Assert.AreEqual(0, modifier.GetNumBufferedDocuments());
Assert.IsTrue(0 < modifier.GetSegmentCount());
modifier.Commit();
IndexReader reader = IndexReader.Open(dir);
Assert.AreEqual(7, reader.NumDocs());
reader.Close();
modifier.DeleteDocuments(new Term("value", System.Convert.ToString(value_Renamed)));
modifier.Commit();
reader = IndexReader.Open(dir);
Assert.AreEqual(0, reader.NumDocs());
reader.Close();
modifier.Close();
dir.Close();
}
}
public virtual void TestNonRAMDelete()
{
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, new WhitespaceAnalyzer(), true,
IndexWriter.MaxFieldLength.UNLIMITED, null);
modifier.SetMaxBufferedDocs(2);
modifier.SetMaxBufferedDeleteTerms(2);
int id = 0;
int value_Renamed = 100;
for (int i = 0; i < 7; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
modifier.Commit(null);
Assert.AreEqual(0, modifier.GetNumBufferedDocuments());
Assert.IsTrue(0 < modifier.GetSegmentCount());
modifier.Commit(null);
IndexReader reader = IndexReader.Open(dir, true, null);
Assert.AreEqual(7, reader.NumDocs());
reader.Close();
modifier.DeleteDocuments(null, new Term("value", System.Convert.ToString(value_Renamed)));
modifier.Commit(null);
reader = IndexReader.Open(dir, true, null);
Assert.AreEqual(0, reader.NumDocs());
reader.Close();
modifier.Close();
dir.Close();
}
public virtual void TestBothDeletes()
{
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.UNLIMITED);
modifier.SetMaxBufferedDocs(100);
modifier.SetMaxBufferedDeleteTerms(100);
int id = 0;
int value_Renamed = 100;
for (int i = 0; i < 5; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
value_Renamed = 200;
for (int i = 0; i < 5; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
modifier.Commit();
for (int i = 0; i < 5; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
modifier.DeleteDocuments(new Term("value", System.Convert.ToString(value_Renamed)));
modifier.Commit();
IndexReader reader = IndexReader.Open(dir, true);
Assert.AreEqual(5, reader.NumDocs());
modifier.Close();
}
public virtual void TestDeleteAll()
{
for (int pass = 0; pass < 2; pass++)
{
bool autoCommit = (0 == pass);
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer(), true);
modifier.SetMaxBufferedDocs(2);
modifier.SetMaxBufferedDeleteTerms(2);
int id = 0;
int value_Renamed = 100;
for (int i = 0; i < 7; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
modifier.Commit();
IndexReader reader = IndexReader.Open(dir);
Assert.AreEqual(7, reader.NumDocs());
reader.Close();
// Add 1 doc (so we will have something buffered)
AddDoc(modifier, 99, value_Renamed);
// Delete all
modifier.DeleteAll();
// Delete all shouldn't be on disk yet
reader = IndexReader.Open(dir);
Assert.AreEqual(7, reader.NumDocs());
reader.Close();
// Add a doc and update a doc (after the deleteAll, before the commit)
AddDoc(modifier, 101, value_Renamed);
UpdateDoc(modifier, 102, value_Renamed);
// commit the delete all
modifier.Commit();
// Validate there are no docs left
reader = IndexReader.Open(dir);
Assert.AreEqual(2, reader.NumDocs());
reader.Close();
modifier.Close();
dir.Close();
}
}
public virtual void TestDeleteAllNRT()
{
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, false, new WhitespaceAnalyzer(), true);
modifier.SetMaxBufferedDocs(2);
modifier.SetMaxBufferedDeleteTerms(2);
int id = 0;
int value_Renamed = 100;
for (int i = 0; i < 7; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
modifier.Commit();
IndexReader reader = modifier.GetReader();
Assert.AreEqual(7, reader.NumDocs());
reader.Close();
AddDoc(modifier, ++id, value_Renamed);
AddDoc(modifier, ++id, value_Renamed);
// Delete all
modifier.DeleteAll();
reader = modifier.GetReader();
Assert.AreEqual(0, reader.NumDocs());
reader.Close();
// Roll it back
modifier.Rollback();
modifier.Close();
// Validate that the docs are still there
reader = IndexReader.Open(dir);
Assert.AreEqual(7, reader.NumDocs());
reader.Close();
dir.Close();
}
public virtual void TestBothDeletes()
{
for (int pass = 0; pass < 2; pass++)
{
bool autoCommit = (0 == pass);
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer(), true);
modifier.SetMaxBufferedDocs(100);
modifier.SetMaxBufferedDeleteTerms(100);
int id = 0;
int value_Renamed = 100;
for (int i = 0; i < 5; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
value_Renamed = 200;
for (int i = 0; i < 5; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
modifier.Commit();
for (int i = 0; i < 5; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
modifier.DeleteDocuments(new Term("value", System.Convert.ToString(value_Renamed)));
modifier.Commit();
IndexReader reader = IndexReader.Open(dir);
Assert.AreEqual(5, reader.NumDocs());
modifier.Close();
}
}
public virtual void TestBatchDeletes()
{
for (int pass = 0; pass < 2; pass++)
{
bool autoCommit = (0 == pass);
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer(), true);
modifier.SetMaxBufferedDocs(2);
modifier.SetMaxBufferedDeleteTerms(2);
int id = 0;
int value_Renamed = 100;
for (int i = 0; i < 7; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
modifier.Commit();
IndexReader reader = IndexReader.Open(dir);
Assert.AreEqual(7, reader.NumDocs());
reader.Close();
id = 0;
modifier.DeleteDocuments(new Term("id", System.Convert.ToString(++id)));
modifier.DeleteDocuments(new Term("id", System.Convert.ToString(++id)));
modifier.Commit();
reader = IndexReader.Open(dir);
Assert.AreEqual(5, reader.NumDocs());
reader.Close();
Term[] terms = new Term[3];
for (int i = 0; i < terms.Length; i++)
{
terms[i] = new Term("id", System.Convert.ToString(++id));
}
modifier.DeleteDocuments(terms);
modifier.Commit();
reader = IndexReader.Open(dir);
Assert.AreEqual(2, reader.NumDocs());
reader.Close();
modifier.Close();
dir.Close();
}
}
public virtual void TestMaxBufferedDeletes()
{
for (int pass = 0; pass < 2; pass++)
{
bool autoCommit = (0 == pass);
Directory dir = new MockRAMDirectory();
IndexWriter writer = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer(), true);
writer.SetMaxBufferedDeleteTerms(1);
writer.DeleteDocuments(new Term("foobar", "1"));
writer.DeleteDocuments(new Term("foobar", "1"));
writer.DeleteDocuments(new Term("foobar", "1"));
Assert.AreEqual(3, writer.GetFlushDeletesCount());
writer.Close();
dir.Close();
}
}
public virtual void TestRAMDeletes()
{
for (int pass = 0; pass < 2; pass++)
{
for (int t = 0; t < 2; t++)
{
bool autoCommit = (0 == pass);
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer(), true);
modifier.SetMaxBufferedDocs(4);
modifier.SetMaxBufferedDeleteTerms(4);
int id = 0;
int value_Renamed = 100;
AddDoc(modifier, ++id, value_Renamed);
if (0 == t)
modifier.DeleteDocuments(new Term("value", System.Convert.ToString(value_Renamed)));
else
modifier.DeleteDocuments(new TermQuery(new Term("value", System.Convert.ToString(value_Renamed))));
AddDoc(modifier, ++id, value_Renamed);
if (0 == t)
{
modifier.DeleteDocuments(new Term("value", System.Convert.ToString(value_Renamed)));
Assert.AreEqual(2, modifier.GetNumBufferedDeleteTerms());
Assert.AreEqual(1, modifier.GetBufferedDeleteTermsSize());
}
else
modifier.DeleteDocuments(new TermQuery(new Term("value", System.Convert.ToString(value_Renamed))));
AddDoc(modifier, ++id, value_Renamed);
Assert.AreEqual(0, modifier.GetSegmentCount());
modifier.Flush();
modifier.Commit();
IndexReader reader = IndexReader.Open(dir);
Assert.AreEqual(1, reader.NumDocs());
int hitCount = GetHitCount(dir, new Term("id", System.Convert.ToString(id)));
Assert.AreEqual(1, hitCount);
reader.Close();
modifier.Close();
dir.Close();
}
}
}
public virtual void TestChangingRAMBuffer2()
{
RAMDirectory dir = new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true);
writer.SetMaxBufferedDocs(10);
writer.SetMaxBufferedDeleteTerms(10);
writer.SetRAMBufferSizeMB(IndexWriter.DISABLE_AUTO_FLUSH);
for (int j = 1; j < 52; j++)
{
Document doc = new Document();
doc.Add(new Field("field", "aaa" + j, Field.Store.YES, Field.Index.TOKENIZED));
writer.AddDocument(doc);
}
long lastGen = - 1;
for (int j = 1; j < 52; j++)
{
writer.DeleteDocuments(new Term("field", "aaa" + j));
_TestUtil.SyncConcurrentMerges(writer);
long gen = SegmentInfos.GenerationFromSegmentsFileName(SegmentInfos.GetCurrentSegmentFileName(dir.List()));
if (j == 1)
lastGen = gen;
else if (j < 10)
{
// No new files should be created
Assert.AreEqual(gen, lastGen);
}
else if (10 == j)
{
Assert.IsTrue(gen > lastGen);
lastGen = gen;
writer.SetRAMBufferSizeMB(0.000001);
writer.SetMaxBufferedDeleteTerms(IndexWriter.DISABLE_AUTO_FLUSH);
}
else if (j < 20)
{
Assert.IsTrue(gen > lastGen);
lastGen = gen;
}
else if (20 == j)
{
writer.SetRAMBufferSizeMB(16);
writer.SetMaxBufferedDeleteTerms(IndexWriter.DISABLE_AUTO_FLUSH);
lastGen = gen;
}
else if (j < 30)
{
Assert.AreEqual(gen, lastGen);
}
else if (30 == j)
{
writer.SetRAMBufferSizeMB(0.000001);
writer.SetMaxBufferedDeleteTerms(IndexWriter.DISABLE_AUTO_FLUSH);
}
else if (j < 40)
{
Assert.IsTrue(gen > lastGen);
lastGen = gen;
}
else if (40 == j)
{
writer.SetMaxBufferedDeleteTerms(10);
writer.SetRAMBufferSizeMB(IndexWriter.DISABLE_AUTO_FLUSH);
lastGen = gen;
}
else if (j < 50)
{
Assert.AreEqual(gen, lastGen);
writer.SetMaxBufferedDeleteTerms(10);
writer.SetRAMBufferSizeMB(IndexWriter.DISABLE_AUTO_FLUSH);
}
else if (50 == j)
{
Assert.IsTrue(gen > lastGen);
}
}
writer.Close();
dir.Close();
}
public virtual void TestNonRAMDelete()
{
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, new WhitespaceAnalyzer(), true,
IndexWriter.MaxFieldLength.UNLIMITED);
modifier.SetMaxBufferedDocs(2);
modifier.SetMaxBufferedDeleteTerms(2);
int id = 0;
int value_Renamed = 100;
for (int i = 0; i < 7; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
modifier.Commit();
Assert.AreEqual(0, modifier.GetNumBufferedDocuments());
Assert.IsTrue(0 < modifier.GetSegmentCount());
modifier.Commit();
IndexReader reader = IndexReader.Open(dir, true);
Assert.AreEqual(7, reader.NumDocs());
reader.Close();
modifier.DeleteDocuments(new Term("value", System.Convert.ToString(value_Renamed)));
modifier.Commit();
reader = IndexReader.Open(dir, true);
Assert.AreEqual(0, reader.NumDocs());
reader.Close();
modifier.Close();
dir.Close();
}
/// <summary> Make sure if modifier tries to commit but hits disk full that modifier
/// remains consistent and usable. Similar to TestIndexReader.testDiskFull().
/// </summary>
private void TestOperationsOnDiskFull(bool updates)
{
bool debug = false;
Term searchTerm = new Term("content", "aaa");
int START_COUNT = 157;
int END_COUNT = 144;
// First build up a starting index:
MockRAMDirectory startDir = new MockRAMDirectory();
IndexWriter writer = new IndexWriter(startDir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.UNLIMITED, null);
for (int i = 0; i < 157; i++)
{
Document d = new Document();
d.Add(new Field("id", System.Convert.ToString(i), Field.Store.YES, Field.Index.NOT_ANALYZED));
d.Add(new Field("content", "aaa " + i, Field.Store.NO, Field.Index.ANALYZED));
writer.AddDocument(d, null);
}
writer.Close();
long diskUsage = startDir.SizeInBytes();
long diskFree = diskUsage + 10;
System.IO.IOException err = null;
bool done = false;
// Iterate w/ ever increasing free disk space:
while (!done)
{
MockRAMDirectory dir = new MockRAMDirectory(startDir);
dir.SetPreventDoubleWrite(false);
IndexWriter modifier = new IndexWriter(dir, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED, null);
modifier.SetMaxBufferedDocs(1000); // use flush or close
modifier.SetMaxBufferedDeleteTerms(1000); // use flush or close
// For each disk size, first try to commit against
// dir that will hit random IOExceptions & disk
// full; after, give it infinite disk space & turn
// off random IOExceptions & retry w/ same reader:
bool success = false;
for (int x = 0; x < 2; x++)
{
double rate = 0.1;
double diskRatio = ((double)diskFree) / diskUsage;
long thisDiskFree;
System.String testName;
if (0 == x)
{
thisDiskFree = diskFree;
if (diskRatio >= 2.0)
{
rate /= 2;
}
if (diskRatio >= 4.0)
{
rate /= 2;
}
if (diskRatio >= 6.0)
{
rate = 0.0;
}
if (debug)
{
System.Console.Out.WriteLine("\ncycle: " + diskFree + " bytes");
}
testName = "disk full during reader.close() @ " + thisDiskFree + " bytes";
}
else
{
thisDiskFree = 0;
rate = 0.0;
if (debug)
{
System.Console.Out.WriteLine("\ncycle: same writer: unlimited disk space");
}
testName = "reader re-use after disk full";
}
dir.SetMaxSizeInBytes(thisDiskFree);
dir.SetRandomIOExceptionRate(rate, diskFree);
try
{
if (0 == x)
{
int docId = 12;
for (int i = 0; i < 13; i++)
{
if (updates)
{
Document d = new Document();
d.Add(new Field("id", System.Convert.ToString(i), Field.Store.YES,
Field.Index.NOT_ANALYZED));
d.Add(new Field("content", "bbb " + i, Field.Store.NO, Field.Index.ANALYZED));
modifier.UpdateDocument(new Term("id", System.Convert.ToString(docId)), d, null);
}
else
{
// deletes
modifier.DeleteDocuments(null, new Term("id", System.Convert.ToString(docId)));
// modifier.setNorm(docId, "contents", (float)2.0);
}
docId += 12;
}
}
modifier.Close();
success = true;
if (0 == x)
{
done = true;
}
}
catch (System.IO.IOException e)
{
if (debug)
{
System.Console.Out.WriteLine(" hit IOException: " + e);
System.Console.Out.WriteLine(e.StackTrace);
}
err = e;
if (1 == x)
{
System.Console.Error.WriteLine(e.StackTrace);
Assert.Fail(testName + " hit IOException after disk space was freed up");
}
}
// If the close() succeeded, make sure there are
// no unreferenced files.
if (success)
{
Lucene.Net.Util._TestUtil.CheckIndex(dir);
TestIndexWriter.AssertNoUnreferencedFiles(dir, "after writer.close");
}
// Finally, verify index is not corrupt, and, if
// we succeeded, we see all docs changed, and if
// we failed, we see either all docs or no docs
// changed (transactional semantics):
IndexReader newReader = null;
try
{
newReader = IndexReader.Open((Directory)dir, true, null);
}
catch (System.IO.IOException e)
{
System.Console.Error.WriteLine(e.StackTrace);
Assert.Fail(testName + ":exception when creating IndexReader after disk full during close: " + e);
}
IndexSearcher searcher = new IndexSearcher(newReader);
ScoreDoc[] hits = null;
try
{
hits = searcher.Search(new TermQuery(searchTerm), null, 1000, null).ScoreDocs;
}
catch (System.IO.IOException e)
{
System.Console.Error.WriteLine(e.StackTrace);
Assert.Fail(testName + ": exception when searching: " + e);
}
int result2 = hits.Length;
if (success)
{
if (x == 0 && result2 != END_COUNT)
{
Assert.Fail(testName +
": method did not throw exception but hits.length for search on term 'aaa' is " +
result2 + " instead of expected " + END_COUNT);
}
else if (x == 1 && result2 != START_COUNT && result2 != END_COUNT)
{
// It's possible that the first exception was
// "recoverable" wrt pending deletes, in which
// case the pending deletes are retained and
// then re-flushing (with plenty of disk
// space) will succeed in flushing the
// deletes:
Assert.Fail(testName +
": method did not throw exception but hits.length for search on term 'aaa' is " +
result2 + " instead of expected " + START_COUNT + " or " + END_COUNT);
}
}
else
{
// On hitting exception we still may have added
// all docs:
if (result2 != START_COUNT && result2 != END_COUNT)
{
System.Console.Error.WriteLine(err.StackTrace);
Assert.Fail(testName + ": method did throw exception but hits.length for search on term 'aaa' is " +
result2 + " instead of expected " + START_COUNT + " or " + END_COUNT);
}
}
searcher.Close();
newReader.Close();
if (result2 == END_COUNT)
{
break;
}
}
dir.Close();
// Try again with 10 more bytes of free space:
diskFree += 10;
}
}
public virtual void TestErrorAfterApplyDeletes()
{
MockRAMDirectory.Failure failure = new AnonymousClassFailure(this);
// create a couple of files
System.String[] keywords = new System.String[] { "1", "2" };
System.String[] unindexed = new System.String[] { "Netherlands", "Italy" };
System.String[] unstored = new System.String[]
{ "Amsterdam has lots of bridges", "Venice has lots of canals" };
System.String[] text = new System.String[] { "Amsterdam", "Venice" };
MockRAMDirectory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.UNLIMITED, null);
modifier.UseCompoundFile = true;
modifier.SetMaxBufferedDeleteTerms(2);
dir.FailOn(failure.Reset());
for (int i = 0; i < keywords.Length; i++)
{
Document doc = new Document();
doc.Add(new Field("id", keywords[i], Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field("country", unindexed[i], Field.Store.YES, Field.Index.NO));
doc.Add(new Field("contents", unstored[i], Field.Store.NO, Field.Index.ANALYZED));
doc.Add(new Field("city", text[i], Field.Store.YES, Field.Index.ANALYZED));
modifier.AddDocument(doc, null);
}
// flush (and commit if ac)
modifier.Optimize(null);
modifier.Commit(null);
// one of the two files hits
Term term = new Term("city", "Amsterdam");
int hitCount = GetHitCount(dir, term);
Assert.AreEqual(1, hitCount);
// open the writer again (closed above)
// delete the doc
// max buf del terms is two, so this is buffered
modifier.DeleteDocuments(null, term);
// add a doc (needed for the !ac case; see below)
// doc remains buffered
Document doc2 = new Document();
modifier.AddDocument(doc2, null);
// commit the changes, the buffered deletes, and the new doc
// The failure object will fail on the first write after the del
// file gets created when processing the buffered delete
// in the ac case, this will be when writing the new segments
// files so we really don't need the new doc, but it's harmless
// in the !ac case, a new segments file won't be created but in
// this case, creation of the cfs file happens next so we need
// the doc (to test that it's okay that we don't lose deletes if
// failing while creating the cfs file)
bool failed = false;
try
{
modifier.Commit(null);
}
catch (System.IO.IOException ioe)
{
failed = true;
}
Assert.IsTrue(failed);
// The commit above failed, so we need to retry it (which will
// succeed, because the failure is a one-shot)
modifier.Commit(null);
hitCount = GetHitCount(dir, term);
// Make sure the delete was successfully flushed:
Assert.AreEqual(0, hitCount);
modifier.Close();
dir.Close();
}
public virtual void TestNonRAMDelete()
{
for (int pass = 0; pass < 2; pass++)
{
bool autoCommit = (0 == pass);
Directory dir = new RAMDirectory();
IndexWriter modifier = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer(), true);
modifier.SetMaxBufferedDocs(2);
modifier.SetMaxBufferedDeleteTerms(2);
int id = 0;
int value_Renamed = 100;
for (int i = 0; i < 7; i++)
{
AddDoc(modifier, ++id, value_Renamed);
}
modifier.Flush();
Assert.AreEqual(0, modifier.GetNumBufferedDocuments());
Assert.IsTrue(0 < modifier.GetSegmentCount());
if (!autoCommit)
{
modifier.Close();
}
IndexReader reader = IndexReader.Open(dir);
Assert.AreEqual(7, reader.NumDocs());
reader.Close();
if (!autoCommit)
{
modifier = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer());
modifier.SetMaxBufferedDocs(2);
modifier.SetMaxBufferedDeleteTerms(2);
}
modifier.DeleteDocuments(new Term("value", System.Convert.ToString(value_Renamed)));
modifier.DeleteDocuments(new Term("value", System.Convert.ToString(value_Renamed)));
if (!autoCommit)
{
modifier.Close();
}
reader = IndexReader.Open(dir);
Assert.AreEqual(0, reader.NumDocs());
reader.Close();
if (autoCommit)
{
modifier.Close();
}
dir.Close();
}
}
/// <summary> Make sure if modifier tries to commit but hits disk full that modifier
/// remains consistent and usable. Similar to TestIndexReader.testDiskFull().
/// </summary>
private void TestOperationsOnDiskFull(bool updates)
{
bool debug = false;
Term searchTerm = new Term("content", "aaa");
int START_COUNT = 157;
int END_COUNT = 144;
for (int pass = 0; pass < 2; pass++)
{
bool autoCommit = (0 == pass);
// First build up a starting index:
RAMDirectory startDir = new RAMDirectory();
IndexWriter writer = new IndexWriter(startDir, autoCommit, new WhitespaceAnalyzer(), true);
for (int i = 0; i < 157; i++)
{
Document d = new Document();
d.Add(new Field("id", System.Convert.ToString(i), Field.Store.YES, Field.Index.UN_TOKENIZED));
d.Add(new Field("content", "aaa " + i, Field.Store.NO, Field.Index.TOKENIZED));
writer.AddDocument(d);
}
writer.Close();
long diskUsage = startDir.SizeInBytes();
long diskFree = diskUsage + 10;
System.IO.IOException err = null;
bool done = false;
// Iterate w/ ever increasing free disk space:
while (!done)
{
MockRAMDirectory dir = new MockRAMDirectory(startDir);
IndexWriter modifier = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer());
modifier.SetMaxBufferedDocs(1000); // use flush or close
modifier.SetMaxBufferedDeleteTerms(1000); // use flush or close
// For each disk size, first try to commit against
// dir that will hit random IOExceptions & disk
// full; after, give it infinite disk space & turn
// off random IOExceptions & retry w/ same reader:
bool success = false;
for (int x = 0; x < 2; x++)
{
double rate = 0.1;
//UPGRADE_WARNING: Data types in Visual C# might be different. Verify the accuracy of narrowing conversions. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1042'"
double diskRatio = ((double) diskFree) / diskUsage;
long thisDiskFree;
System.String testName;
if (0 == x)
{
thisDiskFree = diskFree;
if (diskRatio >= 2.0)
{
rate /= 2;
}
if (diskRatio >= 4.0)
{
rate /= 2;
}
if (diskRatio >= 6.0)
{
rate = 0.0;
}
if (debug)
{
System.Console.Out.WriteLine("\ncycle: " + diskFree + " bytes");
}
testName = "disk full during reader.close() @ " + thisDiskFree + " bytes";
}
else
{
thisDiskFree = 0;
rate = 0.0;
if (debug)
{
System.Console.Out.WriteLine("\ncycle: same writer: unlimited disk space");
}
testName = "reader re-use after disk full";
}
dir.SetMaxSizeInBytes(thisDiskFree);
dir.SetRandomIOExceptionRate(rate, diskFree);
try
{
if (0 == x)
{
int docId = 12;
for (int i = 0; i < 13; i++)
{
if (updates)
{
Document d = new Document();
d.Add(new Field("id", System.Convert.ToString(i), Field.Store.YES, Field.Index.UN_TOKENIZED));
d.Add(new Field("content", "bbb " + i, Field.Store.NO, Field.Index.TOKENIZED));
modifier.UpdateDocument(new Term("id", System.Convert.ToString(docId)), d);
}
else
{
// deletes
modifier.DeleteDocuments(new Term("id", System.Convert.ToString(docId)));
// modifier.setNorm(docId, "contents", (float)2.0);
}
docId += 12;
}
}
modifier.Close();
success = true;
if (0 == x)
{
done = true;
}
}
catch (System.IO.IOException e)
{
if (debug)
{
//UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.toString' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
System.Console.Out.WriteLine(" hit IOException: " + e);
System.Console.Out.WriteLine(e.StackTrace);
}
err = e;
if (1 == x)
{
System.Console.Error.WriteLine(e.StackTrace);
Assert.Fail(testName + " hit IOException after disk space was freed up");
}
}
// Whether we succeeded or failed, check that all
// un-referenced files were in fact deleted (ie,
// we did not create garbage). Just create a
// new IndexFileDeleter, have it delete
// unreferenced files, then verify that in fact
// no files were deleted:
System.String[] startFiles = dir.List();
SegmentInfos infos = new SegmentInfos();
infos.Read(dir);
new IndexFileDeleter(dir, new KeepOnlyLastCommitDeletionPolicy(), infos, null, null);
System.String[] endFiles = dir.List();
//UPGRADE_TODO: Method 'java.util.Arrays.sort' was converted to 'System.Array.Sort' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilArrayssort_javalangObject[]'"
System.Array.Sort(startFiles);
//UPGRADE_TODO: Method 'java.util.Arrays.sort' was converted to 'System.Array.Sort' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javautilArrayssort_javalangObject[]'"
System.Array.Sort(endFiles);
// for(int i=0;i<startFiles.length;i++) {
// System.out.println(" startFiles: " + i + ": " + startFiles[i]);
// }
if (!SupportClass.Compare.CompareStringArrays(startFiles, endFiles))
{
System.String successStr;
if (success)
{
successStr = "success";
}
else
{
successStr = "IOException";
System.Console.Error.WriteLine(err.StackTrace);
}
Assert.Fail("reader.close() failed to delete unreferenced files after " + successStr + " (" + diskFree + " bytes): before delete:\n " + ArrayToString(startFiles) + "\n after delete:\n " + ArrayToString(endFiles));
}
// Finally, verify index is not corrupt, and, if
// we succeeded, we see all docs changed, and if
// we failed, we see either all docs or no docs
// changed (transactional semantics):
IndexReader newReader = null;
try
{
newReader = IndexReader.Open(dir);
}
catch (System.IO.IOException e)
{
System.Console.Error.WriteLine(e.StackTrace);
//UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.toString' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
Assert.Fail(testName + ":exception when creating IndexReader after disk full during close: " + e);
}
IndexSearcher searcher = new IndexSearcher(newReader);
Hits hits = null;
try
{
hits = searcher.Search(new TermQuery(searchTerm));
}
catch (System.IO.IOException e)
{
System.Console.Error.WriteLine(e.StackTrace);
//UPGRADE_TODO: The equivalent in .NET for method 'java.lang.Throwable.toString' may return a different value. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1043'"
Assert.Fail(testName + ": exception when searching: " + e);
}
int result2 = hits.Length();
if (success)
{
if (x == 0 && result2 != END_COUNT)
{
Assert.Fail(testName + ": method did not throw exception but hits.length for search on term 'aaa' is " + result2 + " instead of expected " + END_COUNT);
}
else if (x == 1 && result2 != START_COUNT && result2 != END_COUNT)
{
// It's possible that the first exception was
// "recoverable" wrt pending deletes, in which
// case the pending deletes are retained and
// then re-flushing (with plenty of disk
// space) will succeed in flushing the
// deletes:
Assert.Fail(testName + ": method did not throw exception but hits.length for search on term 'aaa' is " + result2 + " instead of expected " + START_COUNT + " or " + END_COUNT);
}
}
else
{
// On hitting exception we still may have added
// all docs:
if (result2 != START_COUNT && result2 != END_COUNT)
{
System.Console.Error.WriteLine(err.StackTrace);
Assert.Fail(testName + ": method did throw exception but hits.length for search on term 'aaa' is " + result2 + " instead of expected " + START_COUNT + " or " + END_COUNT);
}
}
searcher.Close();
newReader.Close();
if (result2 == END_COUNT)
{
break;
}
}
dir.Close();
// Try again with 10 more bytes of free space:
diskFree += 10;
}
}
}
public virtual void TestChangingRAMBuffer2()
{
RAMDirectory dir = new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
writer.SetMaxBufferedDocs(10);
writer.SetMaxBufferedDeleteTerms(10);
writer.SetRAMBufferSizeMB(IndexWriter.DISABLE_AUTO_FLUSH);
for (int j = 1; j < 52; j++)
{
Document doc = new Document();
doc.Add(new Field("field", "aaa" + j, Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(doc);
}
int lastFlushCount = - 1;
for (int j = 1; j < 52; j++)
{
writer.DeleteDocuments(new Term("field", "aaa" + j));
_TestUtil.SyncConcurrentMerges(writer);
int flushCount = writer.GetFlushCount();
if (j == 1)
lastFlushCount = flushCount;
else if (j < 10)
{
// No new files should be created
Assert.AreEqual(flushCount, lastFlushCount);
}
else if (10 == j)
{
Assert.IsTrue(flushCount > lastFlushCount);
lastFlushCount = flushCount;
writer.SetRAMBufferSizeMB(0.000001);
writer.SetMaxBufferedDeleteTerms(1);
}
else if (j < 20)
{
Assert.IsTrue(flushCount > lastFlushCount);
lastFlushCount = flushCount;
}
else if (20 == j)
{
writer.SetRAMBufferSizeMB(16);
writer.SetMaxBufferedDeleteTerms(IndexWriter.DISABLE_AUTO_FLUSH);
lastFlushCount = flushCount;
}
else if (j < 30)
{
Assert.AreEqual(flushCount, lastFlushCount);
}
else if (30 == j)
{
writer.SetRAMBufferSizeMB(0.000001);
writer.SetMaxBufferedDeleteTerms(IndexWriter.DISABLE_AUTO_FLUSH);
writer.SetMaxBufferedDeleteTerms(1);
}
else if (j < 40)
{
Assert.IsTrue(flushCount > lastFlushCount);
lastFlushCount = flushCount;
}
else if (40 == j)
{
writer.SetMaxBufferedDeleteTerms(10);
writer.SetRAMBufferSizeMB(IndexWriter.DISABLE_AUTO_FLUSH);
lastFlushCount = flushCount;
}
else if (j < 50)
{
Assert.AreEqual(flushCount, lastFlushCount);
writer.SetMaxBufferedDeleteTerms(10);
writer.SetRAMBufferSizeMB(IndexWriter.DISABLE_AUTO_FLUSH);
}
else if (50 == j)
{
Assert.IsTrue(flushCount > lastFlushCount);
}
}
writer.Close();
dir.Close();
}
/// <summary> Make sure if modifier tries to commit but hits disk full that modifier
/// remains consistent and usable. Similar to TestIndexReader.testDiskFull().
/// </summary>
private void TestOperationsOnDiskFull(bool updates)
{
bool debug = false;
Term searchTerm = new Term("content", "aaa");
int START_COUNT = 157;
int END_COUNT = 144;
for (int pass = 0; pass < 2; pass++)
{
bool autoCommit = (0 == pass);
// First build up a starting index:
MockRAMDirectory startDir = new MockRAMDirectory();
IndexWriter writer = new IndexWriter(startDir, autoCommit, new WhitespaceAnalyzer(), true);
for (int i = 0; i < 157; i++)
{
Document d = new Document();
d.Add(new Field("id", System.Convert.ToString(i), Field.Store.YES, Field.Index.NOT_ANALYZED));
d.Add(new Field("content", "aaa " + i, Field.Store.NO, Field.Index.ANALYZED));
writer.AddDocument(d);
}
writer.Close();
long diskUsage = startDir.SizeInBytes();
long diskFree = diskUsage + 10;
System.IO.IOException err = null;
bool done = false;
// Iterate w/ ever increasing free disk space:
while (!done)
{
MockRAMDirectory dir = new MockRAMDirectory(startDir);
dir.SetPreventDoubleWrite(false);
IndexWriter modifier = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer());
modifier.SetMaxBufferedDocs(1000); // use flush or close
modifier.SetMaxBufferedDeleteTerms(1000); // use flush or close
// For each disk size, first try to commit against
// dir that will hit random IOExceptions & disk
// full; after, give it infinite disk space & turn
// off random IOExceptions & retry w/ same reader:
bool success = false;
for (int x = 0; x < 2; x++)
{
double rate = 0.1;
double diskRatio = ((double) diskFree) / diskUsage;
long thisDiskFree;
System.String testName;
if (0 == x)
{
thisDiskFree = diskFree;
if (diskRatio >= 2.0)
{
rate /= 2;
}
if (diskRatio >= 4.0)
{
rate /= 2;
}
if (diskRatio >= 6.0)
{
rate = 0.0;
}
if (debug)
{
System.Console.Out.WriteLine("\ncycle: " + diskFree + " bytes");
}
testName = "disk full during reader.close() @ " + thisDiskFree + " bytes";
}
else
{
thisDiskFree = 0;
rate = 0.0;
if (debug)
{
System.Console.Out.WriteLine("\ncycle: same writer: unlimited disk space");
}
testName = "reader re-use after disk full";
}
dir.SetMaxSizeInBytes(thisDiskFree);
dir.SetRandomIOExceptionRate(rate, diskFree);
try
{
if (0 == x)
{
int docId = 12;
for (int i = 0; i < 13; i++)
{
if (updates)
{
Document d = new Document();
d.Add(new Field("id", System.Convert.ToString(i), Field.Store.YES, Field.Index.NOT_ANALYZED));
d.Add(new Field("content", "bbb " + i, Field.Store.NO, Field.Index.ANALYZED));
modifier.UpdateDocument(new Term("id", System.Convert.ToString(docId)), d);
}
else
{
// deletes
modifier.DeleteDocuments(new Term("id", System.Convert.ToString(docId)));
// modifier.setNorm(docId, "contents", (float)2.0);
}
docId += 12;
}
}
modifier.Close();
success = true;
if (0 == x)
{
done = true;
}
}
catch (System.IO.IOException e)
{
if (debug)
{
System.Console.Out.WriteLine(" hit IOException: " + e);
System.Console.Out.WriteLine(e.StackTrace);
}
err = e;
if (1 == x)
{
System.Console.Error.WriteLine(e.StackTrace);
Assert.Fail(testName + " hit IOException after disk space was freed up");
}
}
// If the close() succeeded, make sure there are
// no unreferenced files.
if (success)
{
Lucene.Net.Util._TestUtil.CheckIndex(dir);
TestIndexWriter.AssertNoUnreferencedFiles(dir, "after writer.close");
}
// Finally, verify index is not corrupt, and, if
// we succeeded, we see all docs changed, and if
// we failed, we see either all docs or no docs
// changed (transactional semantics):
IndexReader newReader = null;
try
{
newReader = IndexReader.Open(dir);
}
catch (System.IO.IOException e)
{
System.Console.Error.WriteLine(e.StackTrace);
Assert.Fail(testName + ":exception when creating IndexReader after disk full during close: " + e);
}
IndexSearcher searcher = new IndexSearcher(newReader);
ScoreDoc[] hits = null;
try
{
hits = searcher.Search(new TermQuery(searchTerm), null, 1000).ScoreDocs;
}
catch (System.IO.IOException e)
{
System.Console.Error.WriteLine(e.StackTrace);
Assert.Fail(testName + ": exception when searching: " + e);
}
int result2 = hits.Length;
if (success)
{
if (x == 0 && result2 != END_COUNT)
{
Assert.Fail(testName + ": method did not throw exception but hits.length for search on term 'aaa' is " + result2 + " instead of expected " + END_COUNT);
}
else if (x == 1 && result2 != START_COUNT && result2 != END_COUNT)
{
// It's possible that the first exception was
// "recoverable" wrt pending deletes, in which
// case the pending deletes are retained and
// then re-flushing (with plenty of disk
// space) will succeed in flushing the
// deletes:
Assert.Fail(testName + ": method did not throw exception but hits.length for search on term 'aaa' is " + result2 + " instead of expected " + START_COUNT + " or " + END_COUNT);
}
}
else
{
// On hitting exception we still may have added
// all docs:
if (result2 != START_COUNT && result2 != END_COUNT)
{
System.Console.Error.WriteLine(err.StackTrace);
Assert.Fail(testName + ": method did throw exception but hits.length for search on term 'aaa' is " + result2 + " instead of expected " + START_COUNT + " or " + END_COUNT);
}
}
searcher.Close();
newReader.Close();
if (result2 == END_COUNT)
{
break;
}
}
dir.Close();
// Try again with 10 more bytes of free space:
diskFree += 10;
}
}
}
public virtual void TestSimpleCase()
{
System.String[] keywords = new System.String[]{"1", "2"};
System.String[] unindexed = new System.String[]{"Netherlands", "Italy"};
System.String[] unstored = new System.String[]{"Amsterdam has lots of bridges", "Venice has lots of canals"};
System.String[] text = new System.String[]{"Amsterdam", "Venice"};
for (int pass = 0; pass < 2; pass++)
{
bool autoCommit = (0 == pass);
Directory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer(), true);
modifier.SetUseCompoundFile(true);
modifier.SetMaxBufferedDeleteTerms(1);
for (int i = 0; i < keywords.Length; i++)
{
Document doc = new Document();
doc.Add(new Field("id", keywords[i], Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field("country", unindexed[i], Field.Store.YES, Field.Index.NO));
doc.Add(new Field("contents", unstored[i], Field.Store.NO, Field.Index.ANALYZED));
doc.Add(new Field("city", text[i], Field.Store.YES, Field.Index.ANALYZED));
modifier.AddDocument(doc);
}
modifier.Optimize();
modifier.Commit();
Term term = new Term("city", "Amsterdam");
int hitCount = GetHitCount(dir, term);
Assert.AreEqual(1, hitCount);
modifier.DeleteDocuments(term);
modifier.Commit();
hitCount = GetHitCount(dir, term);
Assert.AreEqual(0, hitCount);
modifier.Close();
dir.Close();
}
}
public virtual void TestErrorAfterApplyDeletes()
{
MockRAMDirectory.Failure failure = new AnonymousClassFailure(this);
// create a couple of files
System.String[] keywords = new System.String[]{"1", "2"};
System.String[] unindexed = new System.String[]{"Netherlands", "Italy"};
System.String[] unstored = new System.String[]{"Amsterdam has lots of bridges", "Venice has lots of canals"};
System.String[] text = new System.String[]{"Amsterdam", "Venice"};
for (int pass = 0; pass < 2; pass++)
{
bool autoCommit = (0 == pass);
MockRAMDirectory dir = new MockRAMDirectory();
IndexWriter modifier = new IndexWriter(dir, autoCommit, new WhitespaceAnalyzer(), true);
modifier.SetUseCompoundFile(true);
modifier.SetMaxBufferedDeleteTerms(2);
dir.FailOn(failure.Reset());
for (int i = 0; i < keywords.Length; i++)
{
Document doc = new Document();
doc.Add(new Field("id", keywords[i], Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.Add(new Field("country", unindexed[i], Field.Store.YES, Field.Index.NO));
doc.Add(new Field("contents", unstored[i], Field.Store.NO, Field.Index.ANALYZED));
doc.Add(new Field("city", text[i], Field.Store.YES, Field.Index.ANALYZED));
modifier.AddDocument(doc);
}
// flush (and commit if ac)
modifier.Optimize();
modifier.Commit();
// one of the two files hits
Term term = new Term("city", "Amsterdam");
int hitCount = GetHitCount(dir, term);
Assert.AreEqual(1, hitCount);
// open the writer again (closed above)
// delete the doc
// max buf del terms is two, so this is buffered
modifier.DeleteDocuments(term);
// add a doc (needed for the !ac case; see below)
// doc remains buffered
Document doc2 = new Document();
modifier.AddDocument(doc2);
// commit the changes, the buffered deletes, and the new doc
// The failure object will fail on the first write after the del
// file gets created when processing the buffered delete
// in the ac case, this will be when writing the new segments
// files so we really don't need the new doc, but it's harmless
// in the !ac case, a new segments file won't be created but in
// this case, creation of the cfs file happens next so we need
// the doc (to test that it's okay that we don't lose deletes if
// failing while creating the cfs file)
bool failed = false;
try
{
modifier.Commit();
}
catch (System.IO.IOException ioe)
{
failed = true;
}
Assert.IsTrue(failed);
// The commit above failed, so we need to retry it (which will
// succeed, because the failure is a one-shot)
modifier.Commit();
hitCount = GetHitCount(dir, term);
// Make sure the delete was successfully flushed:
Assert.AreEqual(0, hitCount);
modifier.Close();
dir.Close();
}
}
public virtual void TestMaxBufferedDeletes()
{
Directory dir = new MockRAMDirectory();
IndexWriter writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true,
IndexWriter.MaxFieldLength.UNLIMITED);
writer.SetMaxBufferedDeleteTerms(1);
writer.DeleteDocuments(new Term("foobar", "1"));
writer.DeleteDocuments(new Term("foobar", "1"));
writer.DeleteDocuments(new Term("foobar", "1"));
Assert.AreEqual(3, writer.GetFlushDeletesCount());
writer.Close();
dir.Close();
}