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Java IndexSearcher.getTopReaderContext方法代碼示例

本文整理匯總了Java中org.apache.lucene.search.IndexSearcher.getTopReaderContext方法的典型用法代碼示例。如果您正苦於以下問題:Java IndexSearcher.getTopReaderContext方法的具體用法?Java IndexSearcher.getTopReaderContext怎麽用?Java IndexSearcher.getTopReaderContext使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在org.apache.lucene.search.IndexSearcher的用法示例。


在下文中一共展示了IndexSearcher.getTopReaderContext方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Java代碼示例。

示例1: SeqSpanWeight

import org.apache.lucene.search.IndexSearcher; //導入方法依賴的package包/類
protected SeqSpanWeight(SeqSpanQuery query, IndexSearcher searcher) throws IOException {
  super(query);
  this.selfQuery = query;
  this.similarity = searcher.getSimilarity(needsScores);
  this.positions = selfQuery.getPositions();
  this.terms = selfQuery.getTerms();
  this.field = terms[0].field();
  if (positions.length < 2) {
    throw new IllegalStateException("PhraseWeight does not support less than 2 terms, call rewrite first");
  } else if (positions[0] != 0) {
    throw new IllegalStateException("PhraseWeight requires that the first position is 0, call rewrite first");
  }
  final IndexReaderContext context = searcher.getTopReaderContext();
  states = new TermContext[terms.length];
  TermStatistics termStats[] = new TermStatistics[terms.length];
  for (int i = 0; i < terms.length; i++) {
    final Term term = terms[i];
    states[i] = TermContext.build(context, term);
    termStats[i] = searcher.termStatistics(term, states[i]);
  }
  stats = similarity.computeWeight(searcher.collectionStatistics(terms[0].field()), termStats);
}
 
開發者ID:sing1ee,項目名稱:lucene-custom-query,代碼行數:23,代碼來源:SeqSpanWeight.java


注:本文中的org.apache.lucene.search.IndexSearcher.getTopReaderContext方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。