本文整理汇总了C#中Lucene.Net.Index.IndexWriter.GetReader方法的典型用法代码示例。如果您正苦于以下问题：C# IndexWriter.GetReader方法的具体用法？C# IndexWriter.GetReader怎么用？C# IndexWriter.GetReader使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Lucene.Net.Index.IndexWriter的用法示例。
在下文中一共展示了IndexWriter.GetReader方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: TestMultiValueSource
public virtual void TestMultiValueSource()
{
Directory dir = new MockRAMDirectory();
IndexWriter w = new IndexWriter(dir, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED);
Document doc = new Document();
Field f = new Field("field", "", Field.Store.NO, Field.Index.NOT_ANALYZED);
doc.Add(f);
for (int i = 0; i < 17; i++)
{
f.SetValue("" + i);
w.AddDocument(doc);
w.Commit();
}
IndexReader r = w.GetReader();
w.Close();
Assert.IsTrue(r.GetSequentialSubReaders().Length > 1);
ValueSource s1 = new IntFieldSource("field");
DocValues v1 = s1.GetValues(r);
DocValues v2 = new MultiValueSource(s1).GetValues(r);
for (int i = 0; i < r.MaxDoc(); i++)
{
Assert.AreEqual(v1.IntVal(i), i);
Assert.AreEqual(v2.IntVal(i), i);
}
Lucene.Net.Search.FieldCache_Fields.DEFAULT.PurgeAllCaches();
r.Close();
dir.Close();
}示例2: Test_IndexReader_IsCurrent
public void Test_IndexReader_IsCurrent()
{
RAMDirectory ramDir = new RAMDirectory();
IndexWriter writer = new IndexWriter(ramDir, new KeywordAnalyzer(), true, new IndexWriter.MaxFieldLength(1000));
Field field = new Field("TEST", "mytest", Field.Store.YES, Field.Index.ANALYZED);
Document doc = new Document();
doc.Add(field);
writer.AddDocument(doc);
IndexReader reader = writer.GetReader();
writer.DeleteDocuments(new Lucene.Net.Index.Term("TEST", "mytest"));
Assert.IsFalse(reader.IsCurrent());
int resCount1 = new IndexSearcher(reader).Search(new TermQuery(new Term("TEST", "mytest")),100).TotalHits;
Assert.AreEqual(1, resCount1);
writer.Commit();
Assert.IsFalse(reader.IsCurrent());
int resCount2 = new IndexSearcher(reader).Search(new TermQuery(new Term("TEST", "mytest")),100).TotalHits;
Assert.AreEqual(1, resCount2, "Reopen not invoked yet, resultCount must still be 1.");
reader = reader.Reopen();
Assert.IsTrue(reader.IsCurrent());
int resCount3 = new IndexSearcher(reader).Search(new TermQuery(new Term("TEST", "mytest")), 100).TotalHits;
Assert.AreEqual(0, resCount3, "After reopen, resultCount must be 0.");
reader.Close();
writer.Dispose();
}示例3: TestSorting
public virtual void TestSorting()
{
Directory directory = new MockRAMDirectory();
IndexWriter writer = new IndexWriter(directory, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
writer.SetMaxBufferedDocs(2);
writer.SetMergeFactor(1000);
writer.AddDocument(Adoc(new System.String[]{"id", "a", "title", "ipod", "str_s", "a"}));
writer.AddDocument(Adoc(new System.String[]{"id", "b", "title", "ipod ipod", "str_s", "b"}));
writer.AddDocument(Adoc(new System.String[]{"id", "c", "title", "ipod ipod ipod", "str_s", "c"}));
writer.AddDocument(Adoc(new System.String[]{"id", "x", "title", "boosted", "str_s", "x"}));
writer.AddDocument(Adoc(new System.String[]{"id", "y", "title", "boosted boosted", "str_s", "y"}));
writer.AddDocument(Adoc(new System.String[]{"id", "z", "title", "boosted boosted boosted", "str_s", "z"}));
IndexReader r = writer.GetReader();
writer.Close();
IndexSearcher searcher = new IndexSearcher(r);
RunTest(searcher, true);
RunTest(searcher, false);
searcher.Close();
r.Close();
directory.Close();
}示例4: TestReadersWriters
public void TestReadersWriters()
{
Directory dir;
using(dir = new RAMDirectory())
{
Document doc;
IndexWriter writer;
IndexReader reader;
using (writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true, IndexWriter.MaxFieldLength.UNLIMITED))
{
Field field = new Field("name", "value", Field.Store.YES,Field.Index.ANALYZED);
doc = new Document();
doc.Add(field);
writer.AddDocument(doc);
writer.Commit();
using (reader = writer.GetReader())
{
IndexReader r1 = reader.Reopen();
}
Assert.Throws<AlreadyClosedException>(() => reader.Reopen(), "IndexReader shouldn't be open here");
}
Assert.Throws<AlreadyClosedException>(() => writer.AddDocument(doc), "IndexWriter shouldn't be open here");
Assert.IsTrue(dir.isOpen_ForNUnit, "RAMDirectory");
}
Assert.IsFalse(dir.isOpen_ForNUnit, "RAMDirectory");
}示例5: Load
public override Task Load(CancellationToken cancellationToken)
{
if (IndexReader.IndexExists(_directory))
{
IDictionary<string, string> commitUserData;
using (IndexWriter indexWriter = new IndexWriter(_directory, new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30), false, IndexWriter.MaxFieldLength.UNLIMITED))
{
commitUserData = indexWriter.GetReader().CommitUserData;
}
string value;
if (commitUserData != null && commitUserData.TryGetValue("commitTimeStamp", out value))
{
Value = DateTime.ParseExact(value, "o", CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind);
}
else
{
Value = _defaultValue;
}
}
else
{
Value = _defaultValue;
}
Trace.TraceInformation("LuceneCursor.Load: {0}", this);
return Task.FromResult(true);
}示例6: testMissingTerms
public void testMissingTerms()
{
String fieldName = "field1";
Directory rd = new RAMDirectory();
var w = new IndexWriter(rd, new KeywordAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED);
for (int i = 0; i < 100; i++)
{
var doc = new Document();
int term = i*10; //terms are units of 10;
doc.Add(new Field(fieldName, "" + term, Field.Store.YES, Field.Index.ANALYZED));
w.AddDocument(doc);
}
IndexReader reader = w.GetReader();
w.Close();
TermsFilter tf = new TermsFilter();
tf.AddTerm(new Term(fieldName, "19"));
FixedBitSet bits = (FixedBitSet) tf.GetDocIdSet(reader);
Assert.AreEqual(0, bits.Cardinality(), "Must match nothing");
tf.AddTerm(new Term(fieldName, "20"));
bits = (FixedBitSet) tf.GetDocIdSet(reader);
Assert.AreEqual(1, bits.Cardinality(), "Must match 1");
tf.AddTerm(new Term(fieldName, "10"));
bits = (FixedBitSet) tf.GetDocIdSet(reader);
Assert.AreEqual(2, bits.Cardinality(), "Must match 2");
tf.AddTerm(new Term(fieldName, "00"));
bits = (FixedBitSet) tf.GetDocIdSet(reader);
Assert.AreEqual(2, bits.Cardinality(), "Must match 2");
reader.Close();
rd.Close();
}示例7: IndexStore
public IndexStore(Type modelType, Directory directory, Analyzer analyzer)
{
ModelType = modelType;
_directory = directory;
_analyzer = analyzer;
_writer = new IndexWriter(_directory, analyzer, IndexWriter.MaxFieldLength.UNLIMITED);
_searcher = new IndexSearcher(_writer.GetReader());
}示例8: SearcherManager
public SearcherManager(IndexWriter writer, bool applyAllDeletes = true, ISearcherWarmer warmer = null)
{
_warmer = warmer;
_currentSearcher = new IndexSearcher(writer.GetReader());
if (_warmer != null)
{
writer.MergedSegmentWarmer = new WarmerWrapper(_warmer);
}
}示例9: Test_SegmentTermVector_IndexOf
public void Test_SegmentTermVector_IndexOf()
{
Lucene.Net.Store.RAMDirectory directory = new Lucene.Net.Store.RAMDirectory();
Lucene.Net.Analysis.Analyzer analyzer = new Lucene.Net.Analysis.WhitespaceAnalyzer();
Lucene.Net.Index.IndexWriter writer = new Lucene.Net.Index.IndexWriter(directory, analyzer, Lucene.Net.Index.IndexWriter.MaxFieldLength.LIMITED);
Lucene.Net.Documents.Document document = new Lucene.Net.Documents.Document();
document.Add(new Lucene.Net.Documents.Field("contents", new System.IO.StreamReader(new System.IO.MemoryStream(System.Text.Encoding.ASCII.GetBytes("a_ a0"))), Lucene.Net.Documents.Field.TermVector.WITH_OFFSETS));
writer.AddDocument(document);
Lucene.Net.Index.IndexReader reader = writer.GetReader();
Lucene.Net.Index.TermPositionVector tpv = reader.GetTermFreqVector(0, "contents") as Lucene.Net.Index.TermPositionVector;
//Console.WriteLine("tpv: " + tpv);
int index = tpv.IndexOf("a_");
Assert.AreEqual(index, 1, "See the issue: LUCENENET-183");
}示例10: NGramLucene
/// <summary>
/// Create an instance of the class.
/// </summary>
/// <param name="indexPath"></param>
/// <param name="create"></param>
/// <param name="ignoreCase"></param>
public NGramLucene(string indexPath, bool create, bool ignoreCase)
{
_indexPath = indexPath;
var emptyStopWords = new HashSet<string>();
var dirInfo = new DirectoryInfo(_indexPath);
// These all must be disposed
_directory = FSDirectory.Open(dirInfo);
_analyzer = ignoreCase
? new StandardAnalyzer(Version.LUCENE_30, emptyStopWords)
: new CaseSensitiveStandardAnalyzer(Version.LUCENE_30, emptyStopWords);
_writer = new IndexWriter(_directory, _analyzer, create, IndexWriter.MaxFieldLength.UNLIMITED);
_reader = _writer.GetReader();
}示例11: NearRealTimeTestTeste
public void NearRealTimeTestTeste()
{
var diretorio = new RAMDirectory();
const int quantidadeItensEsperados = 10;
using (var escritorIndice = new IndexWriter(diretorio, LuceneUtil.ObterAnalyzer(), IndexWriter.MaxFieldLength.UNLIMITED))
{
for (int i = 0; i < quantidadeItensEsperados; i++)
{
var documento = new Document();
documento.Add(new Field("id", i.ToString(), Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS));
documento.Add(new Field("text", "aaa", Field.Store.NO, Field.Index.ANALYZED));
escritorIndice.AddDocument(documento);
}
var leitorIndice = escritorIndice.GetReader();
var pesquisa = new IndexSearcher(leitorIndice);
var consulta = new TermQuery(new Term("text", "aaa"));
var resultado = pesquisa.Search(consulta, 1);
var mensagemErro = string.Format("Resultado não encontrou {0} itens que se encaixavam", quantidadeItensEsperados);
Assert.AreEqual(quantidadeItensEsperados, resultado.TotalHits, mensagemErro);
var outroDocumento = new Document();
escritorIndice.DeleteDocuments(new Term("id", "7"));
outroDocumento.Add(new Field("id", "11", Field.Store.NO, Field.Index.NOT_ANALYZED_NO_NORMS));
outroDocumento.Add(new Field("text", "bbb", Field.Store.NO, Field.Index.ANALYZED));
escritorIndice.AddDocument(outroDocumento);
var novoLeitor = leitorIndice.Reopen();
Assert.AreNotSame(novoLeitor, leitorIndice);
leitorIndice.Close();
pesquisa = new IndexSearcher(novoLeitor);
resultado = pesquisa.Search(consulta, 10);
Assert.AreEqual(9, resultado.TotalHits, string.Format("Não encontrou {0} como quantidade esperada.", quantidadeItensEsperados - 1));
consulta = new TermQuery(new Term("text", "bbb"));
resultado = pesquisa.Search(consulta, 1);
Assert.AreEqual(1, resultado.TotalHits);
novoLeitor.Close();
}
}示例12: TestReadersWriters
public void TestReadersWriters()
{
Directory dir;
using(dir = new RAMDirectory())
{
Document doc;
IndexWriter writer;
IndexReader reader;
using (writer = new IndexWriter(dir, new WhitespaceAnalyzer(), true))
{
Field field = new Field("name", "value", Field.Store.YES,Field.Index.ANALYZED);
doc = new Document();
doc.Add(field);
writer.AddDocument(doc);
writer.Commit();
using (reader = writer.GetReader())
{
IndexReader r1 = reader.Reopen();
}
try
{
IndexReader r2 = reader.Reopen();
Assert.Fail("IndexReader shouldn't be open here");
}
catch (AlreadyClosedException)
{
}
}
try
{
writer.AddDocument(doc);
Assert.Fail("IndexWriter shouldn't be open here");
}
catch (AlreadyClosedException)
{
}
Assert.IsTrue(dir.isOpen_ForNUnit, "RAMDirectory");
}
Assert.IsFalse(dir.isOpen_ForNUnit, "RAMDirectory");
}示例13: TestIndexing
public virtual void TestIndexing()
{
Directory mainDir = new MockRAMDirectory();
IndexWriter writer = new IndexWriter(mainDir, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.LIMITED);
writer.UseCompoundFile = false;
IndexReader reader = writer.GetReader(); // start pooling readers
reader.Close();
writer.MergeFactor = 2;
writer.SetMaxBufferedDocs(10);
RunThread[] indexThreads = new RunThread[4];
for (int x = 0; x < indexThreads.Length; x++)
{
indexThreads[x] = new RunThread(this, x % 2, writer);
indexThreads[x].Name = "Thread " + x;
indexThreads[x].Start();
}
long startTime = (DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond);
long duration = 5 * 1000;
while (((DateTime.Now.Ticks / TimeSpan.TicksPerMillisecond) - startTime) < duration)
{
System.Threading.Thread.Sleep(new System.TimeSpan((System.Int64) 10000 * 100));
}
int delCount = 0;
int addCount = 0;
for (int x = 0; x < indexThreads.Length; x++)
{
indexThreads[x].run_Renamed_Field = false;
Assert.IsTrue(indexThreads[x].ex == null);
addCount += indexThreads[x].addCount;
delCount += indexThreads[x].delCount;
}
for (int x = 0; x < indexThreads.Length; x++)
{
indexThreads[x].Join();
}
//System.out.println("addCount:"+addCount);
//System.out.println("delCount:"+delCount);
writer.Close();
mainDir.Close();
}示例14: Index
/// <summary>
/// This method indexes the content that is sent across to it. Each piece of content (or "document")
/// that is indexed has to have a unique identifier (so that the caller can take action based on the
/// document id). Therefore, this method accepts key-value pairs in the form of a dictionary. The key
/// is a ulong which uniquely identifies the string to be indexed. The string itself is the value
/// within the dictionary for that key. Be aware that stop words (like the, this, at, etc.) are _not_
/// indexed.
/// </summary>
/// <param name="txtIdPairToBeIndexed">A dictionary of key-value pairs that are sent by the caller
/// to uniquely identify each string that is to be indexed.</param>
/// <returns>The number of documents indexed.</returns>
public int Index (Dictionary<long, string> txtIdPairToBeIndexed) {
using (Directory directory = FSDirectory.Open(_indexDir))
using (Analyzer analyzer = new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30))
using (IndexWriter writer = new IndexWriter(directory, analyzer, IndexWriter.MaxFieldLength.UNLIMITED))
using (IndexReader reader = writer.GetReader())
{
//writer.DeleteAll();
Dictionary<long, string>.KeyCollection keys = txtIdPairToBeIndexed.Keys;
foreach (long id in keys)
{
char[] delimiter = { ';' };
string[] text = txtIdPairToBeIndexed[id].Split(delimiter);
Document document = new Document();
Field title = new Field("title", text[0], Field.Store.YES, Field.Index.NO);
Field type = new Field("type", text[1], Field.Store.YES, Field.Index.NO);
Field idField = new Field("date", (id).ToString(), Field.Store.YES, Field.Index.ANALYZED);
document.Add(title);
document.Add(type);
document.Add(idField);
writer.AddDocument(document);
}
int numIndexed = writer.GetDocCount(0);//TODO check number
writer.Optimize();
writer.Flush(true,true,true);
return numIndexed;
}
}示例15: TestAfterClose
public virtual void TestAfterClose()
{
Directory dir1 = new MockRAMDirectory();
IndexWriter writer = new IndexWriter(dir1, new WhitespaceAnalyzer(), IndexWriter.MaxFieldLength.LIMITED);
writer.SetInfoStream(infoStream);
// create the index
CreateIndexNoClose(false, "test", writer);
IndexReader r = writer.GetReader();
writer.Close();
_TestUtil.CheckIndex(dir1);
// reader should remain usable even after IndexWriter is closed:
Assert.AreEqual(100, r.NumDocs());
Query q = new TermQuery(new Term("indexname", "test"));
Assert.AreEqual(100, new IndexSearcher(r).Search(q, 10).TotalHits);
Assert.Throws<AlreadyClosedException>(() => r.Reopen(), "failed to hit AlreadyClosedException");
r.Close();
dir1.Close();
}