Package org.apache.lucene.facet

Examples of org.apache.lucene.facet.TopOrdAndIntQueue

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    return getDim(dim, ordRange, topN);
  }

  private final FacetResult getDim(String dim, OrdRange ordRange, int topN) {

    TopOrdAndIntQueue q = null;

    int bottomCount = 0;

    int dimCount = 0;
    int childCount = 0;

    TopOrdAndIntQueue.OrdAndValue reuse = null;
    //System.out.println("getDim : " + ordRange.start + " - " + ordRange.end);
    for(int ord=ordRange.start; ord<=ordRange.end; ord++) {
      //System.out.println("  ord=" + ord + " count=" + counts[ord]);
      if (counts[ord] > 0) {
        dimCount += counts[ord];
        childCount++;
        if (counts[ord] > bottomCount) {
          if (reuse == null) {
            reuse = new TopOrdAndIntQueue.OrdAndValue();
          }
          reuse.ord = ord;
          reuse.value = counts[ord];
          if (q == null) {
            // Lazy init, so we don't create this for the
            // sparse case unnecessarily
            q = new TopOrdAndIntQueue(topN);
          }
          reuse = q.insertWithOverflow(reuse);
          if (q.size() == topN) {
            bottomCount = q.top().value;
          }
        }
      }
    }

    if (q == null) {
      return null;
    }

    BytesRef scratch = new BytesRef();

    LabelAndValue[] labelValues = new LabelAndValue[q.size()];
    for(int i=labelValues.length-1;i>=0;i--) {
      TopOrdAndIntQueue.OrdAndValue ordAndValue = q.pop();
      dv.lookupOrd(ordAndValue.ord, scratch);
      String[] parts = FacetsConfig.stringToPath(scratch.utf8ToString());
      labelValues[i] = new LabelAndValue(parts[1], ordAndValue.value);
    }
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    return getDim(dim, ordRange, topN);
  }

  private final FacetResult getDim(String dim, OrdRange ordRange, int topN) {

    TopOrdAndIntQueue q = null;

    int bottomCount = 0;

    int dimCount = 0;
    int childCount = 0;

    TopOrdAndIntQueue.OrdAndValue reuse = null;
    //System.out.println("getDim : " + ordRange.start + " - " + ordRange.end);
    for(int ord=ordRange.start; ord<=ordRange.end; ord++) {
      //System.out.println("  ord=" + ord + " count=" + counts[ord]);
      if (counts[ord] > 0) {
        dimCount += counts[ord];
        childCount++;
        if (counts[ord] > bottomCount) {
          if (reuse == null) {
            reuse = new TopOrdAndIntQueue.OrdAndValue();
          }
          reuse.ord = ord;
          reuse.value = counts[ord];
          if (q == null) {
            // Lazy init, so we don't create this for the
            // sparse case unnecessarily
            q = new TopOrdAndIntQueue(topN);
          }
          reuse = q.insertWithOverflow(reuse);
          if (q.size() == topN) {
            bottomCount = q.top().value;
          }
        }
      }
    }

    if (q == null) {
      return null;
    }

    LabelAndValue[] labelValues = new LabelAndValue[q.size()];
    for(int i=labelValues.length-1;i>=0;i--) {
      TopOrdAndIntQueue.OrdAndValue ordAndValue = q.pop();
      final BytesRef term = dv.lookupOrd(ordAndValue.ord);
      String[] parts = FacetsConfig.stringToPath(term.utf8ToString());
      labelValues[i] = new LabelAndValue(parts[1], ordAndValue.value);
    }
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    int dimOrd = taxoReader.getOrdinal(cp);
    if (dimOrd == -1) {
      return null;
    }

    TopOrdAndIntQueue q = new TopOrdAndIntQueue(Math.min(taxoReader.getSize(), topN));
   
    int bottomValue = 0;

    int ord = children[dimOrd];
    int totValue = 0;
    int childCount = 0;

    TopOrdAndIntQueue.OrdAndValue reuse = null;
    while(ord != TaxonomyReader.INVALID_ORDINAL) {
      if (values[ord] > 0) {
        totValue += values[ord];
        childCount++;
        if (values[ord] > bottomValue) {
          if (reuse == null) {
            reuse = new TopOrdAndIntQueue.OrdAndValue();
          }
          reuse.ord = ord;
          reuse.value = values[ord];
          reuse = q.insertWithOverflow(reuse);
          if (q.size() == topN) {
            bottomValue = q.top().value;
          }
        }
      }

      ord = siblings[ord];
    }

    if (totValue == 0) {
      return null;
    }

    if (dimConfig.multiValued) {
      if (dimConfig.requireDimCount) {
        totValue = values[dimOrd];
      } else {
        // Our sum'd value is not correct, in general:
        totValue = -1;
      }
    } else {
      // Our sum'd dim value is accurate, so we keep it
    }

    LabelAndValue[] labelValues = new LabelAndValue[q.size()];
    for(int i=labelValues.length-1;i>=0;i--) {
      TopOrdAndIntQueue.OrdAndValue ordAndValue = q.pop();
      FacetLabel child = taxoReader.getPath(ordAndValue.ord);
      labelValues[i] = new LabelAndValue(child.components[cp.length], ordAndValue.value);
    }

    return new FacetResult(dim, path, totValue, labelValues, childCount);
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    return getDim(dim, ordRange, topN);
  }

  private final FacetResult getDim(String dim, OrdRange ordRange, int topN) {

    TopOrdAndIntQueue q = null;

    int bottomCount = 0;

    int dimCount = 0;
    int childCount = 0;

    TopOrdAndIntQueue.OrdAndValue reuse = null;
    //System.out.println("getDim : " + ordRange.start + " - " + ordRange.end);
    for(int ord=ordRange.start; ord<=ordRange.end; ord++) {
      //System.out.println("  ord=" + ord + " count=" + counts[ord]);
      if (counts[ord] > 0) {
        dimCount += counts[ord];
        childCount++;
        if (counts[ord] > bottomCount) {
          if (reuse == null) {
            reuse = new TopOrdAndIntQueue.OrdAndValue();
          }
          reuse.ord = ord;
          reuse.value = counts[ord];
          if (q == null) {
            // Lazy init, so we don't create this for the
            // sparse case unnecessarily
            q = new TopOrdAndIntQueue(topN);
          }
          reuse = q.insertWithOverflow(reuse);
          if (q.size() == topN) {
            bottomCount = q.top().value;
          }
        }
      }
    }

    if (q == null) {
      return null;
    }

    BytesRef scratch = new BytesRef();

    LabelAndValue[] labelValues = new LabelAndValue[q.size()];
    for(int i=labelValues.length-1;i>=0;i--) {
      TopOrdAndIntQueue.OrdAndValue ordAndValue = q.pop();
      dv.lookupOrd(ordAndValue.ord, scratch);
      String[] parts = FacetsConfig.stringToPath(scratch.utf8ToString());
      labelValues[i] = new LabelAndValue(parts[1], ordAndValue.value);
    }
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Related Classes of org.apache.lucene.facet.TopOrdAndIntQueue

  • org.apache.lucene.facet.sortedset.SortedSetDocValuesFacetCounts
  • org.apache.lucene.facet.taxonomy.IntTaxonomyFacets
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