org.apache.lucene.index.FieldInvertState#getLength ( )源码实例Demo

下面列出了org.apache.lucene.index.FieldInvertState#getLength ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： linden 文件： LindenSimilarity.java

/** Implemented as
 *  <code>state.getBoost()*lengthNorm(numTerms)</code>, where
 *  <code>numTerms</code> is {@link org.apache.lucene.index.FieldInvertState#getLength()} if {@link
 *  #setDiscountOverlaps} is false, else it's {@link
 *  org.apache.lucene.index.FieldInvertState#getLength()} - {@link
 *  org.apache.lucene.index.FieldInvertState#getNumOverlap()}.
 *
 *  @lucene.experimental */
@Override
public float lengthNorm(FieldInvertState state) {
  final int numTerms;
  if (discountOverlaps)
    numTerms = state.getLength() - state.getNumOverlap();
  else
    numTerms = state.getLength();
  return state.getBoost() * ((float) (1.0 / Math.sqrt(numTerms)));
}

源代码2 项目： lucene-solr 文件： SimilarityBase.java

/** Encodes the document length in the same way as {@link BM25Similarity}. */
@Override
public final long computeNorm(FieldInvertState state) {
  final int numTerms;
  if (state.getIndexOptions() == IndexOptions.DOCS && state.getIndexCreatedVersionMajor() >= 8) {
    numTerms = state.getUniqueTermCount();
  } else if (discountOverlaps) {
    numTerms = state.getLength() - state.getNumOverlap();
  } else {
    numTerms = state.getLength();
  }
  return SmallFloat.intToByte4(numTerms);
}

源代码3 项目： lucene-solr 文件： BM25Similarity.java

@Override
public final long computeNorm(FieldInvertState state) {
  final int numTerms;
  if (state.getIndexOptions() == IndexOptions.DOCS && state.getIndexCreatedVersionMajor() >= 8) {
    numTerms = state.getUniqueTermCount();
  } else if (discountOverlaps) {
    numTerms = state.getLength() - state.getNumOverlap();
  } else {
    numTerms = state.getLength();
  }
  return SmallFloat.intToByte4(numTerms);
}

源代码4 项目： lucene-solr 文件： TFIDFSimilarity.java

@Override
public final long computeNorm(FieldInvertState state) {
  final int numTerms;
  if (state.getIndexOptions() == IndexOptions.DOCS && state.getIndexCreatedVersionMajor() >= 8) {
    numTerms = state.getUniqueTermCount();
  } else if (discountOverlaps) {
    numTerms = state.getLength() - state.getNumOverlap();
  } else {
    numTerms = state.getLength();
  }
  return SmallFloat.intToByte4(numTerms);
}

源代码5 项目： lucene4ir 文件： SMARTBNNBNNSimilarity.java

@Override
   public final long computeNorm(FieldInvertState state)
   {
return state.getLength();
   }

源代码6 项目： lucene4ir 文件： BM25Similarity.java

@Override
public final long computeNorm(FieldInvertState state) {
  final int numTerms = discountOverlaps ? state.getLength() - state.getNumOverlap() : state.getLength();
  return encodeNormValue(state.getBoost(), numTerms);
}

源代码7 项目： lucene4ir 文件： OKAPIBM25Similarity.java

@Override
   public final long computeNorm(FieldInvertState state)
   {
return state.getLength();
   }

方法所在类

org.apache.lucene.index.FieldInvertState