Examples of org.apache.lucene.index.Term

org.apache.lucene.index.Term
A Term represents a word from text. This is the unit of search. It is composed of two elements, the text of the word, as a string, and the name of the field that the text occurred in. Note that terms may represent more than words from text fields, but also things like dates, email addresses, urls, etc.

    }
  }


  private static void addNewsBinLocationClause(BooleanQuery bQuery, INewsBin newsbin) {
    if (newsbin != null)
      bQuery.add(new TermQuery(new Term(String.valueOf(INews.PARENT_ID), NumberTools.longToString(newsbin.getId()))), Occur.SHOULD);
  }

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        LowercaseWhitespaceAnalyzer similarAnalyzer = new LowercaseWhitespaceAnalyzer();
        TokenStream tokenStream = similarAnalyzer.tokenStream(String.valueOf(IEntity.ALL_FIELDS), new StringReader(value));
        Token token = null;
        while ((token = tokenStream.next()) != null) {
          String termText = new String(token.termBuffer(), 0, token.termLength());
          Term term = new Term(fieldname, termText);
          similarityQuery.add(new BooleanClause(new FuzzyQuery(term), Occur.MUST));
        }


        return similarityQuery;
      }

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    else
      value = String.valueOf(condition.getValue());


    String fieldname = String.valueOf(condition.getField().getId());


    Term term = new Term(fieldname, value);
    return new TermQuery(term);
  }

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    String fieldname = String.valueOf(condition.getField().getId());


    switch (specifier) {
      case IS:
      case IS_NOT:
        return new TermQuery(new Term(fieldname, value));


      case IS_AFTER: {
        Term lowerBound = new Term(fieldname, value);
        Term upperBound = new Term(fieldname, MAX_DATE);


        return new ConstantScoreRangeQuery(fieldname, lowerBound.text(), upperBound.text(), false, false);
      }


      case IS_BEFORE: {
        Term lowerBound = new Term(fieldname, MIN_DATE);
        Term upperBound = new Term(fieldname, value);


        return new ConstantScoreRangeQuery(fieldname, lowerBound.text(), upperBound.text(), false, false);
      }
    }


    throw new UnsupportedOperationException("Unsupported Specifier for Date/Time Queries"); //$NON-NLS-1$
  }

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    String fieldname = String.valueOf(condition.getField().getId());


    switch (specifier) {
      case IS:
      case IS_NOT:
        return new TermQuery(new Term(fieldname, value));


      case IS_GREATER_THAN: {
        Term lowerBound = new Term(fieldname, value);
        Term upperBound = new Term(fieldname, MAX_NUMBER);


        return new ConstantScoreRangeQuery(fieldname, lowerBound.text(), upperBound.text(), false, false);
      }


      case IS_LESS_THAN: {
        Term lowerBound = new Term(fieldname, MIN_NUMBER);
        Term upperBound = new Term(fieldname, value);


        return new ConstantScoreRangeQuery(fieldname, lowerBound.text(), upperBound.text(), false, false);
      }
    }


    throw new UnsupportedOperationException("Unsupported Specifier for Number Queries"); //$NON-NLS-1$
  }

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    }
  }


  private BooleanClause createIsCopyTermQuery(boolean copy) {
    String field = String.valueOf(INews.PARENT_ID);
    TermQuery termQuery = new TermQuery(new Term(field, NumberTools.longToString(0)));
    Occur occur = copy ? Occur.MUST_NOT : Occur.MUST;
    return new BooleanClause(termQuery, occur);
  }

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    return simpleSearch(query);
  }


  private BooleanQuery createNewsByLinkBooleanQuery(URI link, boolean copy) {
    BooleanQuery query = new BooleanQuery(true);
    query.add(new TermQuery(new Term(String.valueOf(INews.LINK), link.toString().toLowerCase())), Occur.MUST);
    query.add(createIsCopyTermQuery(copy));
    return query;
  }

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    return simpleSearch(query);
  }


  private BooleanQuery createGuidQuery(IGuid guid, boolean copy) {
    BooleanQuery query = new BooleanQuery(true);
    query.add(new TermQuery(new Term(String.valueOf(INews.GUID), guid.getValue().toLowerCase())), Occur.MUST);
    query.add(createIsCopyTermQuery(copy));
    return query;
  }

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            // We use a Hibernate Search internal constant here to limit THIS particular entity query
            // fragment to a particular indexed persistent entity type.
            log.debug("adding restriction to entity clazz: " + searchableEntity.getClazz().getName());
            entityQuery.add(
                new TermQuery(
                    new Term(DocumentBuilder.CLASS_FIELDNAME, searchableEntity.getClazz().getName())
                ),
                BooleanClause.Occur.MUST
            );


            // Add sub-queries for all entity properties

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            // Delete all documents with "_hibernate_class" term of the selected entity
            DirectoryProvider dirProvider = ftSession.getSearchFactory().getDirectoryProviders(entityClass)[0];
            IndexReader reader = IndexReader.open(dirProvider.getDirectory());


            // TODO: This is using an internal term of HSearch
            reader.deleteDocuments(new Term("_hibernate_class", entityClass.getName()));
            reader.close();


            // Optimize index
            progress.setStatus("Optimizing index");
            log.debug("optimizing index (merging segments)");

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