Examples of org.apache.lucene.index.IndexReaderContext.leaves()

    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);
      }

    Our own api to highlight a single document field, passing in the query terms, and get back our own Snippet object
     */
    public Snippet[] highlightDoc(String field, BytesRef[] terms, IndexSearcher searcher, int docId, int maxPassages) throws IOException {
        IndexReader reader = searcher.getIndexReader();
        IndexReaderContext readerContext = reader.getContext();
        List<LeafReaderContext> leaves = readerContext.leaves();


        String[] contents = new String[]{loadCurrentFieldValue()};
        Map<Integer, Object> snippetsMap = highlightField(field, contents, getBreakIterator(field), terms, new int[]{docId}, leaves, maxPassages);


        //increment the current value index so that next time we'll highlight the next value if available

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