Package org.apache.lucene.index

Examples of org.apache.lucene.index.IndexWriter$IndexReaderWarmer

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   */
  public static void main(String[] args) {

    Directory ramDir = new RAMDirectory();
    try {
      IndexWriter writer = new IndexWriter(ramDir, /*new StandardAnalyzer()/*/XFactory.getWriterAnalyzer());
      Document doc = new Document();
      Field fd = new Field(FIELD_NAME, CONTENT, Field.Store.YES, Field.Index.TOKENIZED,Field.TermVector.WITH_POSITIONS_OFFSETS);
      doc.add(fd);
      writer.addDocument(doc);
      writer.optimize();
      writer.close();
     
      IndexReader reader = IndexReader.open(ramDir);
      String queryString = QUERY;
      QueryParser parser=new QueryParser(FIELD_NAME, /*new StandardAnalyzer()/*/XFactory.getWriterAnalyzer());
      Query query = parser.parse(queryString);
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    //读取本类目录下的text.txt文件
    String content = ContentReader.readText(Chinese.class);

    //接下来是标准的Lucene建立索引和检索的代码
    Directory ramDir = new RAMDirectory();
    IndexWriter writer = new IndexWriter(ramDir, analyzer, MaxFieldLength.UNLIMITED);
    Document doc = new Document();
    Field fd = new Field(FIELD_NAME, content, Field.Store.YES,
        Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS);
    doc.add(fd);
    writer.addDocument(doc);
    writer.optimize();
    writer.close();

    IndexReader reader = IndexReader.open(ramDir);
    String queryString = QUERY;
    QueryParser parser = new QueryParser(Version.LUCENE_CURRENT, FIELD_NAME, analyzer);
    Query query = parser.parse(queryString);
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    //读取本类目录下的text.txt文件
    String content = ContentReader.readText(English.class);

    //接下来是标准的Lucene建立索引和检索的代码
    Directory ramDir = new RAMDirectory();
    IndexWriter writer = new IndexWriter(ramDir, analyzer, MaxFieldLength.UNLIMITED);
    Document doc = new Document();
    Field fd = new Field(FIELD_NAME, content, Field.Store.YES,
        Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS);
    doc.add(fd);
    writer.addDocument(doc);
    writer.optimize();
    writer.close();

    IndexReader reader = IndexReader.open(ramDir);
    String queryString = QUERY;
    QueryParser parser = new QueryParser(Version.LUCENE_CURRENT, FIELD_NAME, analyzer);
    Query query = parser.parse(queryString);
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    //实例化IKAnalyzer分词器
    Analyzer analyzer = new IKAnalyzer();
  
   
    Directory directory = null;
    IndexWriter iwriter = null;
    IndexSearcher isearcher = null;
    try {
      //建立内存索引对象
      directory = new RAMDirectory();  
      iwriter = new IndexWriter(directory, analyzer, true , IndexWriter.MaxFieldLength.LIMITED);
      Document doc = new Document();
      doc.add(new Field("ID", "10000", Field.Store.YES, Field.Index.NOT_ANALYZED));
      doc.add(new Field(fieldName, text, Field.Store.YES, Field.Index.ANALYZED));
      iwriter.addDocument(doc);
      iwriter.close();
     
        //实例化搜索器  
      isearcher = new IndexSearcher(directory);     
      //在索引器中使用IKSimilarity相似度评估器
      isearcher.setSimilarity(new IKSimilarity());
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    //读取本类目录下的text.txt文件
    String content = ContentReader.readText(Chinese.class);

    //接下来是标准的Lucene建立索引和检索的代码
    Directory ramDir = new RAMDirectory();
    IndexWriter writer = new IndexWriter(ramDir, analyzer, MaxFieldLength.UNLIMITED);
    Document doc = new Document();
    Field fd = new Field(FIELD_NAME, content, Field.Store.YES,
        Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS);
    doc.add(fd);
    writer.addDocument(doc);
    writer.optimize();
    writer.close();

    IndexReader reader = IndexReader.open(ramDir);
    String queryString = QUERY;
    QueryParser parser = new QueryParser(Version.LUCENE_CURRENT, FIELD_NAME, analyzer);
    Query query = parser.parse(queryString);
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    //读取本类目录下的text.txt文件
    String content = ContentReader.readText(Chinese.class);

    //接下来是标准的Lucene建立索引和检索的代码
    Directory ramDir = new RAMDirectory();
    IndexWriter writer = new IndexWriter(ramDir, analyzer, MaxFieldLength.UNLIMITED);
    Document doc = new Document();
    Field fd = new Field(FIELD_NAME, content, Field.Store.YES,
        Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS);
    doc.add(fd);
    writer.addDocument(doc);
    writer.optimize();
    writer.close();

    IndexReader reader = IndexReader.open(ramDir);
    String queryString = QUERY;
    QueryParser parser = new QueryParser(Version.LUCENE_CURRENT, FIELD_NAME, analyzer);
    Query query = parser.parse(queryString);
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    //读取本类目录下的text.txt文件
    String content = ContentReader.readText(Chinese.class);

    //接下来是标准的Lucene建立索引和检索的代码
    Directory ramDir = new RAMDirectory();
    IndexWriter writer = new IndexWriter(ramDir, analyzer, MaxFieldLength.UNLIMITED);
    Document doc = new Document();
    Field fd = new Field(FIELD_NAME, content, Field.Store.YES,
        Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS);
    doc.add(fd);
    writer.addDocument(doc);
    writer.optimize();
    writer.close();

    IndexReader reader = IndexReader.open(ramDir);
    String queryString = QUERY;
    QueryParser parser = new QueryParser(Version.LUCENE_CURRENT, FIELD_NAME, analyzer);
    Query query = parser.parse(queryString);
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        try
        {
            Date start = new Date();

            writer = new IndexWriter(index, new StandardAnalyzer(), create);

            if (!create)
            {                 // delete stale docs
                deleting = true;
                indexDocs(root, index, create);
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    //txt = "2008年底发了资金吗";
    analyzer = new SimpleAnalyzer();
    analyzer = new ComplexAnalyzer();
    //analyzer = new MaxWordAnalyzer();
    dir = new RAMDirectory();
    IndexWriter iw = new IndexWriter(dir, analyzer, MaxFieldLength.UNLIMITED);
    Document doc = new Document();
    doc.add(new Field("txt", txt, Field.Store.YES, Field.Index.ANALYZED));
    iw.addDocument(doc);
    iw.commit();
    iw.optimize();
    iw.close();
  }
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  public void testOverlapWithOffset() throws CorruptIndexException,
      LockObtainFailedException, IOException, InvalidTokenOffsetsException {
    final String TEXT = "the fox did not jump";
    final Directory directory = newDirectory();
    final IndexWriter indexWriter = new IndexWriter(directory,
        newIndexWriterConfig(TEST_VERSION_CURRENT, new OverlapAnalyzer()));
    try {
      final Document document = new Document();
      document.add(new Field(FIELD, new TokenStreamOverlap(),
          TermVector.WITH_OFFSETS));
      indexWriter.addDocument(document);
    } finally {
      indexWriter.close();
    }
    final IndexReader indexReader = IndexReader.open(directory, true);
    try {
      assertEquals(1, indexReader.numDocs());
      final IndexSearcher indexSearcher = newSearcher(indexReader);
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