org.apache.lucene.search.Query.clone()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
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本文整理了Java中org.apache.lucene.search.Query.clone方法的一些代码示例，展示了Query.clone的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Query.clone方法的具体详情如下：
包路径：org.apache.lucene.search.Query
类名称：Query
方法名：clone

Query.clone介绍

[英]Returns a clone of this query.
[中]返回此查询的克隆。

代码示例

代码示例来源：origin: org.infinispan/infinispan-embedded-query

  1. @Override
  2. public CustomScoreQuery clone() {
  3.  CustomScoreQuery clone = (CustomScoreQuery) super.clone();
  4.  clone.subQuery = subQuery;
  5.  clone.scoringQueries = new Query[scoringQueries.length];
  6.  for(int i = 0; i < scoringQueries.length; i++) {
  7.   clone.scoringQueries[i] = scoringQueries[i];
  8.  }
  9.  return clone;
  10. }

代码示例来源：origin: harbby/presto-connectors

  1. @Override
  2. public CustomScoreQuery clone() {
  3.  CustomScoreQuery clone = (CustomScoreQuery) super.clone();
  4.  clone.subQuery = subQuery;
  5.  clone.scoringQueries = new Query[scoringQueries.length];
  6.  for(int i = 0; i < scoringQueries.length; i++) {
  7.   clone.scoringQueries[i] = scoringQueries[i];
  8.  }
  9.  return clone;
  10. }

代码示例来源：origin: org.apache.lucene/com.springsource.org.apache.lucene

  1. /** Create a shallow copy of us -- used in rewriting if necessary
  2.  * @return a copy of us (but reuse, don't copy, our subqueries) */
  3. public Object clone() {
  4.  DisjunctionMaxQuery clone = (DisjunctionMaxQuery)super.clone();
  5.  clone.disjuncts = (ArrayList)this.disjuncts.clone();
  6.  return clone;
  7. }

代码示例来源：origin: org.apache.lucene/com.springsource.org.apache.lucene

  1. public Object clone() {
  2.  BooleanQuery clone = (BooleanQuery)super.clone();
  3.  clone.clauses = (ArrayList)this.clauses.clone();
  4.  return clone;
  5. }

代码示例来源：origin: org.infinispan/infinispan-embedded-query

  1. @Override
  2. public BooleanQuery clone() {
  3.  BooleanQuery clone = (BooleanQuery) super.clone();
  4.  clone.clauses = new ArrayList<>(clauses);
  5.  return clone;
  6. }

代码示例来源：origin: lucene/lucene

  1. public Object clone() {
  2.  BooleanQuery clone = (BooleanQuery)super.clone();
  3.  clone.clauses = (Vector)this.clauses.clone();
  4.  return clone;
  5. }

代码示例来源：origin: org.apache.lucene/lucene-core-jfrog

  1. public Object clone() {
  2.  BooleanQuery clone = (BooleanQuery)super.clone();
  3.  clone.clauses = (ArrayList)this.clauses.clone();
  4.  return clone;
  5. }

代码示例来源：origin: org.apache.lucene/lucene-core-jfrog

  1. /** Create a shallow copy of us -- used in rewriting if necessary
  2.  * @return a copy of us (but reuse, don't copy, our subqueries) */
  3. public Object clone() {
  4.  DisjunctionMaxQuery clone = (DisjunctionMaxQuery)super.clone();
  5.  clone.disjuncts = (ArrayList)this.disjuncts.clone();
  6.  return clone;
  7. }

代码示例来源：origin: harbby/presto-connectors

  1. @Override
  2. public BooleanQuery clone() {
  3.  BooleanQuery clone = (BooleanQuery) super.clone();
  4.  clone.clauses = new ArrayList<>(clauses);
  5.  return clone;
  6. }

代码示例来源：origin: org.apache.lucene/com.springsource.org.apache.lucene

  1. public Object clone() {
  2.  CustomScoreQuery clone = (CustomScoreQuery)super.clone();
  3.  clone.subQuery = (Query) subQuery.clone();
  4.  clone.valSrcQueries = new ValueSourceQuery[valSrcQueries.length];
  5.  for(int i = 0; i < valSrcQueries.length; i++) {
  6.   clone.valSrcQueries[i] = (ValueSourceQuery) valSrcQueries[i].clone();
  7.  }
  8.  return clone;
  9. }

代码示例来源：origin: org.apache.lucene/lucene-core-jfrog

  1. public Object clone() {
  2.  CustomScoreQuery clone = (CustomScoreQuery)super.clone();
  3.  clone.subQuery = (Query) subQuery.clone();
  4.  clone.valSrcQueries = new ValueSourceQuery[valSrcQueries.length];
  5.  for(int i = 0; i < valSrcQueries.length; i++) {
  6.   clone.valSrcQueries[i] = (ValueSourceQuery) valSrcQueries[i].clone();
  7.  }
  8.  return clone;
  9. }

代码示例来源：origin: harbby/presto-connectors

  1. @Override
  2.   public Query clone() {
  3.     Query clonedQuery = origParentQuery.clone();
  4.     return new IncludeNestedDocsQuery(clonedQuery, this);
  5.   }
  6. }

代码示例来源：origin: Cue/greplin-lucene-utils

  1. /**
  2.  * Creates a new boosting query.
  3.  * @param match the query to match.
  4.  * @param context the query to base boosting on.
  5.  * @param boost the amount of the boost.
  6.  */
  7. public ConstantQueryNormBoostingQuery(
  8.   final Query match, final Query context, final float boost) {
  9.  this.match = match;
  10.  this.context = (Query) context.clone();
  11.  this.boost = boost;
  12.  this.context.setBoost(0.0f);
  13. }

代码示例来源：origin: org.infinispan/infinispan-embedded-query

  1. /** Expert: called to re-write queries into primitive queries. For example,
  2.  * a PrefixQuery will be rewritten into a BooleanQuery that consists
  3.  * of TermQuerys.
  4.  */
  5. public Query rewrite(IndexReader reader) throws IOException {
  6.  if (boost != 1f) {
  7.   Query rewritten = clone();
  8.   rewritten.setBoost(1f);
  9.   return new BoostQuery(rewritten, boost);
  10.  }
  11.  return this;
  12. }

代码示例来源：origin: harbby/presto-connectors

  1. /** Expert: called to re-write queries into primitive queries. For example,
  2.  * a PrefixQuery will be rewritten into a BooleanQuery that consists
  3.  * of TermQuerys.
  4.  */
  5. public Query rewrite(IndexReader reader) throws IOException {
  6.  if (boost != 1f) {
  7.   Query rewritten = clone();
  8.   rewritten.setBoost(1f);
  9.   return new BoostQuery(rewritten, boost);
  10.  }
  11.  return this;
  12. }

代码示例来源：origin: org.dspace.dependencies.solr/dspace-solr-core

  1. /** Fixes a negative query by adding a MatchAllDocs query clause.
  2.  * The query passed in *must* be a negative query.
  3.  */
  4. static Query fixNegativeQuery(Query q) {
  5.  BooleanQuery newBq = (BooleanQuery)q.clone();
  6.  newBq.add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST);
  7.  return newBq;    
  8. }

代码示例来源：origin: org.apache.lucene/lucene-core-jfrog

  1. /** Optimize our representation and our subqueries representations
  2.  * @param reader the IndexReader we query
  3.  * @return an optimized copy of us (which may not be a copy if there is nothing to optimize) */
  4. public Query rewrite(IndexReader reader) throws IOException {
  5.  if (disjuncts.size() == 1) {
  6.   Query singleton = (Query) disjuncts.get(0);
  7.   Query result = singleton.rewrite(reader);
  8.   if (getBoost() != 1.0f) {
  9.    if (result == singleton) result = (Query)result.clone();
  10.    result.setBoost(getBoost() * result.getBoost());
  11.   }
  12.   return result;
  13.  }
  14.  DisjunctionMaxQuery clone = null;
  15.  for (int i = 0 ; i < disjuncts.size(); i++) {
  16.   Query clause = (Query) disjuncts.get(i);
  17.   Query rewrite = clause.rewrite(reader);
  18.   if (rewrite != clause) {
  19.    if (clone == null) clone = (DisjunctionMaxQuery)this.clone();
  20.    clone.disjuncts.set(i, rewrite);
  21.   }
  22.  }
  23.  if (clone != null) return clone;
  24.  else return this;
  25. }

代码示例来源：origin: org.apache.lucene/com.springsource.org.apache.lucene

  1. /** Optimize our representation and our subqueries representations
  2.  * @param reader the IndexReader we query
  3.  * @return an optimized copy of us (which may not be a copy if there is nothing to optimize) */
  4. public Query rewrite(IndexReader reader) throws IOException {
  5.  if (disjuncts.size() == 1) {
  6.   Query singleton = (Query) disjuncts.get(0);
  7.   Query result = singleton.rewrite(reader);
  8.   if (getBoost() != 1.0f) {
  9.    if (result == singleton) result = (Query)result.clone();
  10.    result.setBoost(getBoost() * result.getBoost());
  11.   }
  12.   return result;
  13.  }
  14.  DisjunctionMaxQuery clone = null;
  15.  for (int i = 0 ; i < disjuncts.size(); i++) {
  16.   Query clause = (Query) disjuncts.get(i);
  17.   Query rewrite = clause.rewrite(reader);
  18.   if (rewrite != clause) {
  19.    if (clone == null) clone = (DisjunctionMaxQuery)this.clone();
  20.    clone.disjuncts.set(i, rewrite);
  21.   }
  22.  }
  23.  if (clone != null) return clone;
  24.  else return this;
  25. }

代码示例来源：origin: com.atlassian.jira/jira-core

  1. private BooleanQuery handleContainsMust(final QueryBucket queryBucket)
  2. {
  3.   BooleanQuery query = new BooleanQuery();
  4.   // There is nothing to do here except complete a deep dive on each query
  5.   final BooleanQuery originalBooleanQuery = queryBucket.getOriginalBooleanQuery();
  6.   query.setBoost(originalBooleanQuery.getBoost());
  7.   query.setMinimumNumberShouldMatch(originalBooleanQuery.getMinimumNumberShouldMatch());
  8.   final BooleanClause[] booleanClauses = originalBooleanQuery.getClauses();
  9.   for (BooleanClause booleanClause : booleanClauses)
  10.   {
  11.     final Query subQuery = booleanClause.getQuery();
  12.     final BooleanClause.Occur subOccur = booleanClause.getOccur();
  13.     if (subQuery instanceof BooleanQuery)
  14.     {
  15.       query.add(transformBooleanQuery((BooleanQuery) subQuery), subOccur);
  16.     }
  17.     else
  18.     {
  19.       query.add((Query) subQuery.clone(), subOccur);
  20.     }
  21.   }
  22.   return query;
  23. }

代码示例来源：origin: com.atlassian.jira/jira-core

  1. private BooleanQuery handleOnlyNot(final QueryBucket queryBucket)
  2. {
  3.   BooleanQuery query = new BooleanQuery();
  4.   BooleanQuery originalQuery = queryBucket.getOriginalBooleanQuery();
  5.   query.setBoost(originalQuery.getBoost());
  6.   query.setMinimumNumberShouldMatch(originalQuery.getMinimumNumberShouldMatch());
  7.   // We always add a match all in this case
  8.   query.add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST);
  9.   for (Query origNotQuery : queryBucket.getNotQueries())
  10.   {
  11.     Query notQuery = (Query) origNotQuery.clone();
  12.     // Make sure we continue to dive the tree if we need to
  13.     if (notQuery instanceof BooleanQuery)
  14.     {
  15.       query.add(transformBooleanQuery((BooleanQuery) notQuery), BooleanClause.Occur.MUST_NOT);
  16.     }
  17.     else
  18.     {
  19.       query.add(notQuery, BooleanClause.Occur.MUST_NOT);
  20.     }
  21.   }
  22.   return query;
  23. }

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