Examples of org.apache.lucene.index.IndexReaderContext

org.apache.lucene.index.IndexReaderContext
A struct like class that represents a hierarchical relationship between {@link IndexReader} instances.


    public final ShardSearcher[] subSearchers;
    public final int[] docStarts;


    public ShardState(IndexSearcher s) {
      final IndexReaderContext ctx = s.getTopReaderContext();
      final List<AtomicReaderContext> leaves = ctx.leaves();
      subSearchers = new ShardSearcher[leaves.size()];
      for(int searcherIDX=0;searcherIDX<subSearchers.length;searcherIDX++) {
        subSearchers[searcherIDX] = new ShardSearcher(leaves.get(searcherIDX), ctx);
      }

View Full Code Here

    return term;
  }


  @Override
  public Weight createWeight(final 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 {

View Full Code Here

    private final Similarity.SimWeight stats;
    private transient TermContext states[];


    public NodePhraseWeight(final IndexSearcher searcher) throws IOException {
      this.similarity = searcher.getSimilarity();
      final IndexReaderContext context = searcher.getTopReaderContext();
      states = new TermContext[terms.size()];
      final 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);

View Full Code Here


  final void collectTerms(final IndexReader reader,
                          final MultiNodeTermQuery query,
                          final TermCollector collector)
  throws IOException {
    final IndexReaderContext topReaderContext = reader.getContext();
    Comparator<BytesRef> lastTermComp = null;
    for (final AtomicReaderContext context : topReaderContext.leaves()) {
      final Fields fields = context.reader().fields();
      if (fields == null) {
        // reader has no fields
        continue;
      }

View Full Code Here

    if (_lastMemoryCheck + ONE_MINUTE > now) {
      return _memoryUsage;
    }
    IndexSearcherClosable searcher = getIndexReader();
    try {
      IndexReaderContext topReaderContext = searcher.getTopReaderContext();
      return _memoryUsage = RamUsageEstimator.sizeOf(topReaderContext, new ClassNameFilter() {
        @Override
        public boolean include(String className) {
          if (className.startsWith("org.apache.blur.index.ExitableReader")) {
            return true;

View Full Code Here


  public long getSegmentCount() throws IOException {
    IndexSearcherClosable indexSearcherClosable = getIndexReader();
    try {
      IndexReader indexReader = indexSearcherClosable.getIndexReader();
      IndexReaderContext context = indexReader.getContext();
      return context.leaves().size();
    } finally {
      indexSearcherClosable.close();
    }
  }

View Full Code Here

    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];

View Full Code Here

    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) {

View Full Code Here

  /** 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 {

View Full Code Here

    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);
      termStats[i] = searcher.termStatistics(term, state);

View Full Code Here

0 1 2 3 4

TOP

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

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.