本文整理汇总了C#中Lucene.Net.Index.IndexWriter.SetSimilarity方法的典型用法代码示例。如果您正苦于以下问题：C# Lucene.Net.Index.IndexWriter.SetSimilarity方法的具体用法？C# Lucene.Net.Index.IndexWriter.SetSimilarity怎么用？C# Lucene.Net.Index.IndexWriter.SetSimilarity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Lucene.Net.Index.IndexWriter.SetSimilarity方法的10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: SetUp
public override void SetUp()
{
base.SetUp();
RAMDirectory directory = new RAMDirectory();
PayloadAnalyzer analyzer = new PayloadAnalyzer(this);
IndexWriter writer = new IndexWriter(directory, analyzer, true, IndexWriter.MaxFieldLength.LIMITED);
writer.SetSimilarity(similarity);
//writer.infoStream = System.out;
for (int i = 0; i < 1000; i++)
{
Document doc = new Document();
Field noPayloadField = new Field(PayloadHelper.NO_PAYLOAD_FIELD, English.IntToEnglish(i), Field.Store.YES, Field.Index.ANALYZED);
//noPayloadField.setBoost(0);
doc.Add(noPayloadField);
doc.Add(new Field("field", English.IntToEnglish(i), Field.Store.YES, Field.Index.ANALYZED));
doc.Add(new Field("multiField", English.IntToEnglish(i) + " " + English.IntToEnglish(i), Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(doc);
}
writer.Optimize();
writer.Close();
searcher = new IndexSearcher(directory);
searcher.SetSimilarity(similarity);
}示例2: TestSimilarity_
public virtual void TestSimilarity_()
{
RAMDirectory store = new RAMDirectory();
IndexWriter writer = new IndexWriter(store, new SimpleAnalyzer(), true);
writer.SetSimilarity(new SimpleSimilarity());
Document d1 = new Document();
d1.Add(Field.Text("Field", "a c"));
Document d2 = new Document();
d2.Add(Field.Text("Field", "a b c"));
writer.AddDocument(d1);
writer.AddDocument(d2);
writer.Optimize();
writer.Close();
float[] scores = new float[4];
Searcher searcher = new IndexSearcher(store);
searcher.SetSimilarity(new SimpleSimilarity());
Term a = new Term("Field", "a");
Term b = new Term("Field", "b");
Term c = new Term("Field", "c");
searcher.Search(new TermQuery(b), new AnonymousClassHitCollector(this));
BooleanQuery bq = new BooleanQuery();
bq.Add(new TermQuery(a), false, false);
bq.Add(new TermQuery(b), false, false);
//System.out.println(bq.toString("Field"));
searcher.Search(bq, new AnonymousClassHitCollector1(this));
PhraseQuery pq = new PhraseQuery();
pq.Add(a);
pq.Add(c);
//System.out.println(pq.toString("Field"));
searcher.Search(pq, new AnonymousClassHitCollector2(this));
pq.SetSlop(2);
//System.out.println(pq.toString("Field"));
searcher.Search(pq, new AnonymousClassHitCollector3(this));
}示例3: SetUp
public override void SetUp()
{
base.SetUp();
index = new RAMDirectory();
IndexWriter writer = new IndexWriter(index, new WhitespaceAnalyzer(), true);
writer.SetSimilarity(sim);
// hed is the most important field, dek is secondary
// d1 is an "ok" match for: albino elephant
{
Lucene.Net.Documents.Document d1 = new Lucene.Net.Documents.Document();
d1.Add(new Field("id", "d1", Field.Store.YES, Field.Index.UN_TOKENIZED)); //Field.Keyword("id", "d1"));
d1.Add(new Field("hed", "elephant", Field.Store.YES, Field.Index.TOKENIZED)); //Field.Text("hed", "elephant"));
d1.Add(new Field("dek", "elephant", Field.Store.YES, Field.Index.TOKENIZED)); //Field.Text("dek", "elephant"));
writer.AddDocument(d1);
}
// d2 is a "good" match for: albino elephant
{
Lucene.Net.Documents.Document d2 = new Lucene.Net.Documents.Document();
d2.Add(new Field("id", "d2", Field.Store.YES, Field.Index.UN_TOKENIZED)); //Field.Keyword("id", "d2"));
d2.Add(new Field("hed", "elephant", Field.Store.YES, Field.Index.TOKENIZED)); //Field.Text("hed", "elephant"));
d2.Add(new Field("dek", "albino", Field.Store.YES, Field.Index.TOKENIZED)); //Field.Text("dek", "albino"));
d2.Add(new Field("dek", "elephant", Field.Store.YES, Field.Index.TOKENIZED)); //Field.Text("dek", "elephant"));
writer.AddDocument(d2);
}
// d3 is a "better" match for: albino elephant
{
Lucene.Net.Documents.Document d3 = new Lucene.Net.Documents.Document();
d3.Add(new Field("id", "d3", Field.Store.YES, Field.Index.UN_TOKENIZED)); //Field.Keyword("id", "d3"));
d3.Add(new Field("hed", "albino", Field.Store.YES, Field.Index.TOKENIZED)); //Field.Text("hed", "albino"));
d3.Add(new Field("hed", "elephant", Field.Store.YES, Field.Index.TOKENIZED)); //Field.Text("hed", "elephant"));
writer.AddDocument(d3);
}
// d4 is the "best" match for: albino elephant
{
Lucene.Net.Documents.Document d4 = new Lucene.Net.Documents.Document();
d4.Add(new Field("id", "d4", Field.Store.YES, Field.Index.UN_TOKENIZED)); //Field.Keyword("id", "d4"));
d4.Add(new Field("hed", "albino", Field.Store.YES, Field.Index.TOKENIZED)); //Field.Text("hed", "albino"));
d4.Add(new Field("hed", "elephant", Field.Store.YES, Field.Index.TOKENIZED)); //Field.Text("hed", "elephant"));
d4.Add(new Field("dek", "albino", Field.Store.YES, Field.Index.TOKENIZED)); //Field.Text("dek", "albino"));
writer.AddDocument(d4);
}
writer.Close();
r = IndexReader.Open(index);
s = new IndexSearcher(r);
s.SetSimilarity(sim);
}示例4: TestPayloadSpanUtil
public virtual void TestPayloadSpanUtil()
{
RAMDirectory directory = new RAMDirectory();
PayloadAnalyzer analyzer = new PayloadAnalyzer(this);
IndexWriter writer = new IndexWriter(directory, analyzer, true);
writer.SetSimilarity(similarity);
Document doc = new Document();
doc.Add(new Field(PayloadHelper.FIELD, "xx rr yy mm pp", Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(doc);
writer.Close();
IndexSearcher searcher = new IndexSearcher(directory);
IndexReader reader = searcher.GetIndexReader();
PayloadSpanUtil psu = new PayloadSpanUtil(reader);
System.Collections.Generic.ICollection<byte[]> payloads = psu.GetPayloadsForQuery(new TermQuery(new Term(PayloadHelper.FIELD, "rr")));
if (DEBUG)
System.Console.Out.WriteLine("Num payloads:" + payloads.Count);
System.Collections.IEnumerator it = payloads.GetEnumerator();
while (it.MoveNext())
{
byte[] bytes = (byte[]) it.Current;
if (DEBUG)
System.Console.Out.WriteLine(new System.String(System.Text.UTF8Encoding.UTF8.GetChars(bytes)));
}
}示例5: GetSearcher
private IndexSearcher GetSearcher()
{
RAMDirectory directory = new RAMDirectory();
PayloadAnalyzer analyzer = new PayloadAnalyzer(this);
System.String[] docs = new System.String[]{"xx rr yy mm pp", "xx yy mm rr pp", "nopayload qq ss pp np", "one two three four five six seven eight nine ten eleven", "nine one two three four five six seven eight eleven ten"};
IndexWriter writer = new IndexWriter(directory, analyzer, true);
writer.SetSimilarity(similarity);
Document doc = null;
for (int i = 0; i < docs.Length; i++)
{
doc = new Document();
System.String docText = docs[i];
doc.Add(new Field(PayloadHelper.FIELD, docText, Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(doc);
}
writer.Close();
IndexSearcher searcher = new IndexSearcher(directory);
return searcher;
}示例6: GetSpanNotSearcher
public virtual IndexSearcher GetSpanNotSearcher()
{
RAMDirectory directory = new RAMDirectory();
PayloadAnalyzer analyzer = new PayloadAnalyzer(this);
IndexWriter writer = new IndexWriter(directory, analyzer, true);
writer.SetSimilarity(similarity);
Document doc = new Document();
doc.Add(new Field(PayloadHelper.FIELD, "one two three one four three", Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(doc);
writer.Close();
IndexSearcher searcher = new IndexSearcher(directory);
searcher.SetSimilarity(similarity);
return searcher;
}示例7: SetUp
public override void SetUp()
{
base.SetUp();
RAMDirectory directory = new RAMDirectory();
PayloadAnalyzer analyzer = new PayloadAnalyzer(this);
IndexWriter writer = new IndexWriter(directory, analyzer, true, IndexWriter.MaxFieldLength.LIMITED);
writer.SetSimilarity(similarity);
//writer.infoStream = System.out;
for (int i = 0; i < 1000; i++)
{
Document doc = new Document();
doc.Add(new Field("field", English.IntToEnglish(i), Field.Store.YES, Field.Index.ANALYZED));
System.String txt = English.IntToEnglish(i) + ' ' + English.IntToEnglish(i + 1);
doc.Add(new Field("field2", txt, Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(doc);
}
writer.Optimize();
writer.Close();
searcher = new IndexSearcher(directory, true);
searcher.Similarity = similarity;
}示例8: TestSimilarity_Renamed
public virtual void TestSimilarity_Renamed()
{
RAMDirectory store = new RAMDirectory();
IndexWriter writer = new IndexWriter(store, new SimpleAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
writer.SetSimilarity(new SimpleSimilarity());
Document d1 = new Document();
d1.Add(new Field("field", "a c", Field.Store.YES, Field.Index.ANALYZED));
Document d2 = new Document();
d2.Add(new Field("field", "a b c", Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(d1);
writer.AddDocument(d2);
writer.Optimize();
writer.Close();
Searcher searcher = new IndexSearcher(store, true);
searcher.Similarity = new SimpleSimilarity();
Term a = new Term("field", "a");
Term b = new Term("field", "b");
Term c = new Term("field", "c");
searcher.Search(new TermQuery(b), new AnonymousClassCollector(this));
BooleanQuery bq = new BooleanQuery();
bq.Add(new TermQuery(a), Occur.SHOULD);
bq.Add(new TermQuery(b), Occur.SHOULD);
//System.out.println(bq.toString("field"));
searcher.Search(bq, new AnonymousClassCollector1(this));
PhraseQuery pq = new PhraseQuery();
pq.Add(a);
pq.Add(c);
//System.out.println(pq.toString("field"));
searcher.Search(pq, new AnonymousClassCollector2(this));
pq.Slop = 2;
//System.out.println(pq.toString("field"));
searcher.Search(pq, new AnonymousClassCollector3(this));
}示例9: SetUp
/// <summary> Sets up a RAMDirectory, and adds documents (using English.intToEnglish()) with two fields: field and multiField
/// and analyzes them using the PayloadAnalyzer
/// </summary>
/// <param name="similarity">The Similarity class to use in the Searcher
/// </param>
/// <param name="numDocs">The num docs to add
/// </param>
/// <returns> An IndexSearcher
/// </returns>
/// <throws> IOException </throws>
public virtual IndexSearcher SetUp(Similarity similarity, int numDocs)
{
RAMDirectory directory = new RAMDirectory();
PayloadAnalyzer analyzer = new PayloadAnalyzer(this);
IndexWriter writer = new IndexWriter(directory, analyzer, true);
writer.SetSimilarity(similarity);
//writer.infoStream = System.out;
for (int i = 0; i < numDocs; i++)
{
Document doc = new Document();
doc.Add(new Field(FIELD, English.IntToEnglish(i), Field.Store.YES, Field.Index.ANALYZED));
doc.Add(new Field(MULTI_FIELD, English.IntToEnglish(i) + " " + English.IntToEnglish(i), Field.Store.YES, Field.Index.ANALYZED));
doc.Add(new Field(NO_PAYLOAD_FIELD, English.IntToEnglish(i), Field.Store.YES, Field.Index.ANALYZED));
writer.AddDocument(doc);
}
//writer.optimize();
writer.Close();
IndexSearcher searcher = new IndexSearcher(directory);
searcher.SetSimilarity(similarity);
return searcher;
}示例10: TestSimilarity_Renamed_Method
public virtual void TestSimilarity_Renamed_Method()
{
RAMDirectory store = new RAMDirectory();
IndexWriter writer = new IndexWriter(store, new SimpleAnalyzer(), true);
writer.SetSimilarity(new SimpleSimilarity());
Lucene.Net.Documents.Document d1 = new Lucene.Net.Documents.Document();
d1.Add(new Field("field", "a c", Field.Store.YES, Field.Index.TOKENIZED));
Lucene.Net.Documents.Document d2 = new Lucene.Net.Documents.Document();
d2.Add(new Field("field", "a b c", Field.Store.YES, Field.Index.TOKENIZED));
writer.AddDocument(d1);
writer.AddDocument(d2);
writer.Optimize();
writer.Close();
Searcher searcher = new IndexSearcher(store);
searcher.SetSimilarity(new SimpleSimilarity());
Term a = new Term("field", "a");
Term b = new Term("field", "b");
Term c = new Term("field", "c");
searcher.Search(new TermQuery(b), new AnonymousClassHitCollector(this));
BooleanQuery bq = new BooleanQuery();
bq.Add(new TermQuery(a), BooleanClause.Occur.SHOULD);
bq.Add(new TermQuery(b), BooleanClause.Occur.SHOULD);
//System.out.println(bq.toString("field"));
searcher.Search(bq, new AnonymousClassHitCollector1(this));
PhraseQuery pq = new PhraseQuery();
pq.Add(a);
pq.Add(c);
//System.out.println(pq.toString("field"));
searcher.Search(pq, new AnonymousClassHitCollector2(this));
pq.SetSlop(2);
//System.out.println(pq.toString("field"));
searcher.Search(pq, new AnonymousClassHitCollector3(this));
}