Package org.apache.lucene.queries.function.docvalues

Examples of org.apache.lucene.queries.function.docvalues.FloatDocValues

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  @Override
  public FunctionValues getValues(Map context, AtomicReaderContext readerContext) throws IOException {
    final FieldCache.Floats arr = cache.getFloats(readerContext.reader(), field, parser, true);
    final Bits valid = cache.getDocsWithField(readerContext.reader(), field);

    return new FloatDocValues(this) {
      @Override
      public float floatVal(int doc) {
        return arr.get(doc);
      }
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    return "const(" + constant + ")";
  }

  @Override
  public FunctionValues getValues(Map context, AtomicReaderContext readerContext) throws IOException {
    return new FloatDocValues(this) {
      @Override
      public float floatVal(int doc) {
        return constant;
      }
      @Override
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    final FunctionValues[] valsArr = new FunctionValues[sources.length];
    for (int i=0; i<sources.length; i++) {
      valsArr[i] = sources[i].getValues(context, readerContext);
    }

    return new FloatDocValues(this) {
      @Override
      public float floatVal(int doc) {
        return func(doc, valsArr);
      }
       @Override
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    if (norms == null) {
      return new ConstDoubleDocValues(0.0, this);
    }
   
    return new FloatDocValues(this) {
      @Override
      public float floatVal(int doc) {
        return similarity.decodeNormValue(norms.get(doc));
      }
    };
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    final float minSource = scaleInfo.minVal;
    final float maxSource = scaleInfo.maxVal;

    final FunctionValues vals =  source.getValues(context, readerContext);

    return new FloatDocValues(this) {
      @Override
      public float floatVal(int doc) {
        return (vals.floatVal(doc) - minSource) * scale + min;
      }
      @Override
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  }

  @Override
  public FunctionValues getValues(Map context, AtomicReaderContext readerContext) throws IOException {
    final FunctionValues vals =  source.getValues(context, readerContext);
    return new FloatDocValues(this) {
      @Override
      public float floatVal(int doc) {
        return vals.floatVal(doc) * slope + intercept;
      }
      @Override
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  }

  @Override
  public FunctionValues getValues(Map context, AtomicReaderContext readerContext) throws IOException {
    final FunctionValues vals = source.getValues(context, readerContext);
    return new FloatDocValues(this) {
      @Override
      public float floatVal(int doc) {
        return a/(m*vals.floatVal(doc) + b);
      }
      @Override
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  @Override
  public FunctionValues getValues(Map context, AtomicReaderContext readerContext) throws IOException {
    final FunctionValues vals =  source.getValues(context, readerContext);
    final FunctionValues targets = target.getValues(context, readerContext);
    final FunctionValues defaults = (this.defaultVal == null) ? null : defaultVal.getValues(context, readerContext);
    return new FloatDocValues(this) {
      @Override
      public float floatVal(int doc) {
        float val = vals.floatVal(doc);
        return (val>=min && val<=max) ? targets.floatVal(doc) : (defaultVal == null ? val : defaults.floatVal(doc));
      }
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  @Override
  public FunctionValues getValues(Map context, AtomicReaderContext readerContext) throws IOException {
    final FunctionValues aVals =  a.getValues(context, readerContext);
    final FunctionValues bVals =  b.getValues(context, readerContext);
    return new FloatDocValues(this) {
      @Override
      public float floatVal(int doc) {
        return func(doc, aVals, bVals);
      }
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    final TFIDFSimilarity similarity = IDFValueSource.asTFIDF(searcher.getSimilarity(), indexedField);
    if (similarity == null) {
      throw new UnsupportedOperationException("requires a TFIDFSimilarity (such as DefaultSimilarity)");
    }

    return new FloatDocValues(this) {
      DocsEnum docs ;
      int atDoc;
      int lastDocRequested = -1;

      { reset(); }
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Related Classes of org.apache.lucene.queries.function.docvalues.FloatDocValues

  • org.apache.lucene.queries.function.valuesource.ConstValueSource
  • org.apache.lucene.queries.function.valuesource.DualFloatFunction
  • org.apache.lucene.queries.function.valuesource.FloatFieldSource
  • org.apache.lucene.queries.function.valuesource.LinearFloatFunction
  • org.apache.lucene.queries.function.valuesource.MultiFloatFunction
  • org.apache.lucene.queries.function.valuesource.NormValueSource
  • org.apache.lucene.queries.function.valuesource.RangeMapFloatFunction
  • org.apache.lucene.queries.function.valuesource.ReciprocalFloatFunction
  • org.apache.lucene.queries.function.valuesource.ScaleFloatFunction
  • org.apache.lucene.queries.function.valuesource.SimpleFloatFunction
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