Package org.apache.lucene.index

Examples of org.apache.lucene.index.IndexReaderContext

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    final IndexReader reader = searcher.getIndexReader();
    query = rewrite(query);
    SortedSet<Term> queryTerms = new TreeSet<Term>();
    query.extractTerms(queryTerms);

    IndexReaderContext readerContext = reader.getContext();
    List<AtomicReaderContext> leaves = readerContext.leaves();

    // Make our own copies because we sort in-place:
    int[] docids = new int[docidsIn.length];
    System.arraycopy(docidsIn, 0, docids, 0, docidsIn.length);
    final String fields[] = new String[fieldsIn.length];
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    private final Map<Term,TermContext> termContexts = new HashMap<Term,TermContext>();

    public MultiPhraseWeight(IndexSearcher searcher)
      throws IOException {
      this.similarity = searcher.getSimilarity();
      final IndexReaderContext context = searcher.getTopReaderContext();
     
      // compute idf
      ArrayList<TermStatistics> allTermStats = new ArrayList<TermStatistics>();
      for(final Term[] terms: termArrays) {
        for (Term term: terms) {
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    private transient TermContext states[];

    public PhraseWeight(IndexSearcher searcher)
      throws IOException {
      this.similarity = searcher.getSimilarity();
      final IndexReaderContext context = searcher.getTopReaderContext();
      states = new TermContext[terms.size()];
      TermStatistics termStats[] = new TermStatistics[terms.size()];
      for (int i = 0; i < terms.size(); i++) {
        final Term term = terms.get(i);
        states[i] = TermContext.build(context, term, true);
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  /** Returns the term of this query. */
  public Term getTerm() { return term; }

  @Override
  public Weight createWeight(IndexSearcher searcher) throws IOException {
    final IndexReaderContext context = searcher.getTopReaderContext();
    final TermContext termState;
    if (perReaderTermState == null || perReaderTermState.topReaderContext != context) {
      // make TermQuery single-pass if we don't have a PRTS or if the context differs!
      termState = TermContext.build(context, term, true); // cache term lookups!
    } else {
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    this.query = query;
   
    termContexts = new HashMap<Term,TermContext>();
    TreeSet<Term> terms = new TreeSet<Term>();
    query.extractTerms(terms);
    final IndexReaderContext context = searcher.getTopReaderContext();
    final TermStatistics termStats[] = new TermStatistics[terms.size()];
    int i = 0;
    for (Term term : terms) {
      TermContext state = TermContext.build(context, term, true);
      termStats[i] = searcher.termStatistics(term, state);
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  }

  public void testSpanScorerZeroSloppyFreq() throws Exception {
    boolean ordered = true;
    int slop = 1;
    IndexReaderContext topReaderContext = searcher.getTopReaderContext();
    List<AtomicReaderContext> leaves = topReaderContext.leaves();
    int subIndex = ReaderUtil.subIndex(11, leaves);
    for (int i = 0, c = leaves.size(); i < c; i++) {
      final AtomicReaderContext ctx = leaves.get(i);
    
      final Similarity sim = new DefaultSimilarity() {
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  protected abstract void addClause(Q topLevel, Term term, int docCount, float boost, TermContext states) throws IOException;

 
  final void collectTerms(IndexReader reader, MultiTermQuery query, TermCollector collector) throws IOException {
    IndexReaderContext topReaderContext = reader.getContext();
    Comparator<BytesRef> lastTermComp = null;
    for (AtomicReaderContext context : topReaderContext.leaves()) {
      final Fields fields = context.reader().fields();
      if (fields == null) {
        // reader has no fields
        continue;
      }
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  /** Returns the term of this query. */
  public Term getTerm() { return term; }

  @Override
  public Weight createWeight(IndexSearcher searcher) throws IOException {
    final IndexReaderContext context = searcher.getTopReaderContext();
    final TermContext termState;
    if (perReaderTermState == null || perReaderTermState.topReaderContext != context) {
      // make TermQuery single-pass if we don't have a PRTS or if the context differs!
      termState = TermContext.build(context, term);
    } else {
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    this.query = query;
   
    termContexts = new HashMap<>();
    TreeSet<Term> terms = new TreeSet<>();
    query.extractTerms(terms);
    final IndexReaderContext context = searcher.getTopReaderContext();
    final TermStatistics termStats[] = new TermStatistics[terms.size()];
    int i = 0;
    for (Term term : terms) {
      TermContext state = TermContext.build(context, term);
      termStats[i] = searcher.termStatistics(term, state);
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    private final Map<Term,TermContext> termContexts = new HashMap<>();

    public MultiPhraseWeight(IndexSearcher searcher)
      throws IOException {
      this.similarity = searcher.getSimilarity();
      final IndexReaderContext context = searcher.getTopReaderContext();
     
      // compute idf
      ArrayList<TermStatistics> allTermStats = new ArrayList<>();
      for(final Term[] terms: termArrays) {
        for (Term term: terms) {
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Related Classes of org.apache.lucene.index.IndexReaderContext

  • com.browseengine.bobo.search.BoboSearcher
  • org.apache.blur.manager.writer.BlurIndex
  • org.apache.lucene.search.grouping.TestGrouping$ShardState
  • org.apache.lucene.search.MultiPhraseQuery$MultiPhraseWeight
  • org.apache.lucene.search.PhraseQuery$PhraseWeight
  • org.apache.lucene.search.postingshighlight.CustomPostingsHighlighter
  • org.apache.lucene.search.postingshighlight.PostingsHighlighter
  • org.apache.lucene.search.spans.SpanWeight
  • org.apache.lucene.search.spans.TestNearSpansOrdered
  • org.apache.lucene.search.spans.TestSpans
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