Package org.apache.lucene.index

Examples of org.apache.lucene.index.TermFreqVector

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     */
    private PriorityQueue retrieveTerms(int docNum) throws IOException {
        Map termFreqMap = new HashMap();
        for (int i = 0; i < fieldNames.length; i++) {
            String fieldName = fieldNames[i];
            TermFreqVector vector = ir.getTermFreqVector(docNum, fieldName);

            // field does not store term vector info
            if (vector == null) {
              Document d=ir.document(docNum);
              String text[]=d.getValues(fieldName);
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                        }
                    }
                }
                separator = " ";
            }
            TermFreqVector tfv = reader.getTermFreqVector(
                    docNumber, FieldNames.FULLTEXT);
            if (tfv instanceof TermPositionVector) {
                return createExcerpt((TermPositionVector) tfv, text.toString(),
                        maxFragments, maxFragmentSize);
            } else {
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                  }
               }
            }
            separator = " ";
         }
         TermFreqVector tfv = reader.getTermFreqVector(docNumber, FieldNames.FULLTEXT);
         if (tfv instanceof TermPositionVector)
         {
            return createExcerpt((TermPositionVector) tfv, text.toString(), maxFragments, maxFragmentSize);
         }
         else
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   {
      Map termFreqMap = new HashMap();
      for (int i = 0; i < fieldNames.length; i++)
      {
         String fieldName = fieldNames[i];
         TermFreqVector vector = ir.getTermFreqVector(docNum, fieldName);

         // field does not store term vector info
         if (vector == null)
         {
            Document d = ir.document(docNum);
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     */
    private PriorityQueue retrieveTerms(int docNum) throws IOException {
        Map termFreqMap = new HashMap();
        for (int i = 0; i < fieldNames.length; i++) {
            String fieldName = fieldNames[i];
            TermFreqVector vector = ir.getTermFreqVector(docNum, fieldName);

            // field does not store term vector info
            if (vector == null) {
              Document d=ir.document(docNum);
              String text[]=d.getValues(fieldName);
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      // verify vectors result
      verifyVectors(vectors, docId);
     
      start = System.currentTimeMillis();
      TermFreqVector vector = reader.getTermFreqVector(docId, "field");
      timeElapsed += System.currentTimeMillis()-start;
     
      vectors = new TermFreqVector[1];
      vectors[0] = vector;
     
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     */
    public static TokenStream getAnyTokenStream(IndexReader reader,int docId, String field,Analyzer analyzer) throws IOException
    {
    TokenStream ts=null;

    TermFreqVector tfv=(TermFreqVector) reader.getTermFreqVector(docId,field);
    if(tfv!=null)
    {
        if(tfv instanceof TermPositionVector)
        {
            ts=getTokenStream((TermPositionVector) tfv);
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        return new StoredTokenStream(tokensInOriginalOrder);
    }

    public static TokenStream getTokenStream(IndexReader reader,int docId, String field) throws IOException
    {
    TermFreqVector tfv=(TermFreqVector) reader.getTermFreqVector(docId,field);
    if(tfv==null)
    {
        throw new IllegalArgumentException(field+" in doc #"+docId
                  +"does not have any term position data stored");
    }
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      f.add( "docFreq", t.text()==null ? 0 : reader.docFreq( t ) ); // this can be 0 for non-indexed fields
           
      // If we have a term vector, return that
      if( fieldable.isTermVectorStored() ) {
        try {
          TermFreqVector v = reader.getTermFreqVector( docId, fieldable.name() );
          if( v != null ) {
            SimpleOrderedMap<Integer> tfv = new SimpleOrderedMap<Integer>();
            for( int i=0; i<v.size(); i++ ) {
              tfv.add( v.getTerms()[i], v.getTermFrequencies()[i] );
            }
            f.add( "termVector", tfv );
          }
        }
        catch( Exception ex ) {
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      e.printStackTrace();
    }
    index = new File("index");
    try {
      IndexReader reader = IndexReader.open(index);
      TermFreqVector vector = reader.getTermFreqVector(0, "contents");
      String[] terms = vector.getTerms();
      for (int i = 0; i < terms.length; i++) {
        System.out.println(terms[i] + ":"
            + vector.getTermFrequencies()[i]);
      }

      Searcher searcher = new IndexSearcher(reader);
      QueryParser parser = new QueryParser("contents", analyzer);
      try {
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