Examples of org.apache.lucene.search.PhraseQuery

org.apache.lucene.search.PhraseQuery
A Query that matches documents containing a particular sequence of terms. A PhraseQuery is built by QueryParser for input like "new york".
This query may be combined with other terms or queries with a {@link BooleanQuery}.

                return new WildcardQuery(newFulltextTerm(text));
            } else {
                return new TermQuery(newFulltextTerm(text));
            }
        } else {
            PhraseQuery pq = new PhraseQuery();
            for (String t : tokens) {
                pq.add(newFulltextTerm(t));
            }
            return pq;
        }
    }

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                        mpq.add(newFulltextTerm(token));
                    }
                }
                return mpq;
            } else {
                PhraseQuery pq = new PhraseQuery();
                for (String t : tokens) {
                    pq.add(newFulltextTerm(t));
                }
                return pq;
            }
        }
    }

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    for( Query flatQuery : expandQueries ){
      QueryPhraseMap rootMap = getRootMap( flatQuery );
      rootMap.add( flatQuery, reader );
      if( !phraseHighlight && flatQuery instanceof PhraseQuery ){
        PhraseQuery pq = (PhraseQuery)flatQuery;
        if( pq.getTerms().length > 1 ){
          for( Term term : pq.getTerms() )
            rootMap.addTerm( term, flatQuery.getBoost() );
        }
      }
    }
  }

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      if( !flatQueries.contains( sourceQuery ) )
        flatQueries.add( sourceQuery );
    }
    else if( sourceQuery instanceof PhraseQuery ){
      if( !flatQueries.contains( sourceQuery ) ){
        PhraseQuery pq = (PhraseQuery)sourceQuery;
        if( pq.getTerms().length > 1 )
          flatQueries.add( pq );
        else if( pq.getTerms().length == 1 ){
          Query flat = new TermQuery( pq.getTerms()[0] );
          flat.setBoost( pq.getBoost() );
          flatQueries.add( flat );
        }
      }
    } else if (sourceQuery instanceof ConstantScoreQuery) {
      final Query q = ((ConstantScoreQuery) sourceQuery).getQuery();

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          overlap = false;
          break;
        }
      }
      if( overlap && src.length - i < dest.length ){
        PhraseQuery pq = new PhraseQuery();
        for( Term srcTerm : src )
          pq.add( srcTerm );
        for( int k = src.length - i; k < dest.length; k++ ){
          pq.add( new Term( src[0].field(), dest[k].text() ) );
        }
        pq.setSlop( slop );
        pq.setBoost( boost );
        if(!expandQueries.contains( pq ) )
          expandQueries.add( pq );
      }
    }
  }

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  private String getKey( Query query ){
    if( !fieldMatch ) return null;
    if( query instanceof TermQuery )
      return ((TermQuery)query).getTerm().field();
    else if ( query instanceof PhraseQuery ){
      PhraseQuery pq = (PhraseQuery)query;
      Term[] terms = pq.getTerms();
      return terms[0].field();
    }
    else if (query instanceof MultiTermQuery) {
      return ((MultiTermQuery)query).getField();
    }

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      void add( Query query, IndexReader reader ) {
      if( query instanceof TermQuery ){
        addTerm( ((TermQuery)query).getTerm(), query.getBoost() );
      }
      else if( query instanceof PhraseQuery ){
        PhraseQuery pq = (PhraseQuery)query;
        Term[] terms = pq.getTerms();
        Map<String, QueryPhraseMap> map = subMap;
        QueryPhraseMap qpm = null;
        for( Term term : terms ){
          qpm = getOrNewMap( map, term.text() );
          map = qpm.subMap;
        }
        qpm.markTerminal( pq.getSlop(), pq.getBoost() );
      }
      else
        throw new RuntimeException( "query \"" + query.toString() + "\" must be flatten first." );
    }

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    final IndexReader r = w.getReader();
    w.close();


    final IndexSearcher s = newSearcher(r);
    PhraseQuery pq = new PhraseQuery();
    pq.add(new Term("content", "silly"));
    pq.add(new Term("content", "content"));
    assertEquals(0, s.search(pq, 1).totalHits);


    pq = new PhraseQuery();
    pq.add(new Term("content", "good"));
    pq.add(new Term("content", "content"));
    assertEquals(numDocs1+numDocs2, s.search(pq, 1).totalHits);
    r.close();
    dir.close();
  }

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    final IndexReader r = w.getReader();
    w.close();


    final IndexSearcher s = newSearcher(r);
    PhraseQuery pq = new PhraseQuery();
    pq.add(new Term("content", "silly"));
    pq.add(new Term("content", "content"));
    assertEquals(numDocs2, s.search(pq, 1).totalHits);


    pq = new PhraseQuery();
    pq.add(new Term("content", "good"));
    pq.add(new Term("content", "content"));
    assertEquals(numDocs1+numDocs3+numDocs4, s.search(pq, 1).totalHits);
    r.close();
    dir.close();
  }

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    for (int slop=0; slop<8; slop++) {
      for (int qlen=2; qlen<6; qlen++) {
        for (int wd=0; wd<words.length-qlen-slop; wd++) {
          // ordered
          int remainedSlop = slop;
          PhraseQuery q = new PhraseQuery();
          q.setSlop(slop);
          int wind = wd;
          for (int i=0; i<qlen; i++) {
            q.add(new Term(DocMaker.BODY_FIELD,words[wind++]));
            if (remainedSlop>0) {
              remainedSlop--;
              wind++;
            }
          }
          queries.add(q);
          // reversed
          remainedSlop = slop;
          q = new PhraseQuery();
          q.setSlop(slop+2*qlen);
          wind = wd+qlen+remainedSlop-1;
          for (int i=0; i<qlen; i++) {
            q.add(new Term(DocMaker.BODY_FIELD,words[wind--]));
            if (remainedSlop>0) {
              remainedSlop--;
              wind--;
            }
          }

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