本文整理汇总了Java中org.apache.lucene.search.similarities.TFIDFSimilarity.decodeNormValue方法的典型用法代码示例。如果您正苦于以下问题：Java TFIDFSimilarity.decodeNormValue方法的具体用法？Java TFIDFSimilarity.decodeNormValue怎么用？Java TFIDFSimilarity.decodeNormValue使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.lucene.search.similarities.TFIDFSimilarity的用法示例。
在下文中一共展示了TFIDFSimilarity.decodeNormValue方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getValues
import org.apache.lucene.search.similarities.TFIDFSimilarity; //导入方法依赖的package包/类
@Override
public FunctionValues getValues(Map context, AtomicReaderContext readerContext) throws IOException {
IndexSearcher searcher = (IndexSearcher)context.get("searcher");
final TFIDFSimilarity similarity = IDFValueSource.asTFIDF(searcher.getSimilarity(), field);
if (similarity == null) {
throw new UnsupportedOperationException("requires a TFIDFSimilarity (such as DefaultSimilarity)");
}
final NumericDocValues norms = readerContext.reader().getNormValues(field);
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));
}
};
}
示例2: getValues
import org.apache.lucene.search.similarities.TFIDFSimilarity; //导入方法依赖的package包/类
@Override
public FunctionValues getValues(Map context, AtomicReaderContext readerContext) throws IOException {
IndexSearcher searcher = (IndexSearcher)context.get("searcher");
final TFIDFSimilarity similarity = IDFValueSource.asTFIDF(searcher.getSimilarity(), field);
if (similarity == null) {
throw new UnsupportedOperationException("requires a TFIDFSimilarity (such as DefaultSimilarity)");
}
final NumericDocValues norms = readerContext.reader().getNormValues(field);
if (norms == null) {
return new ConstDoubleDocValues(0.0, this);
}
return new FloatDocValues(this) {
@Override
public float floatVal(int doc) {
return similarity.decodeNormValue((byte)norms.get(doc));
}
};
}