Package org.apache.lucene.search.spans

Examples of org.apache.lucene.search.spans.SpanFirstQuery

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    String spanterm = (String) spanJson.getString(field);
    SpanQuery sq = new SpanTermQuery(new Term(field, spanterm));   
   
    int end = jsonQuery.optInt(END_PARAM, 3);
   
    return new SpanFirstQuery(sq, end);
  }
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  private static Query[] getPrebuiltQueries(String field) {
    WildcardQuery wcq = new WildcardQuery(new Term(field, "fo*"));
    wcq .setRewriteMethod(MultiTermQuery.CONSTANT_SCORE_FILTER_REWRITE);
    // be wary of unanalyzed text
    return new Query[] {
        new SpanFirstQuery(new SpanTermQuery(new Term(field, "ford")), 5),
        new SpanNearQuery(new SpanQuery[] {
            new SpanTermQuery(new Term(field, "night")),
            new SpanTermQuery(new Term(field, "trading")) }, 4, false),
        new SpanNearQuery(new SpanQuery[] {
            new SpanFirstQuery(new SpanTermQuery(new Term(field, "ford")), 10),
            new SpanTermQuery(new Term(field, "credit")) }, 10, false), wcq, };
  }
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    @Test
    public void testSpanFirstQueryBuilder() throws IOException {
        IndexQueryParserService queryParser = queryParser();
        Query parsedQuery = queryParser.parse(spanFirstQuery(spanTermQuery("age", 34), 12)).query();
        assertThat(parsedQuery, instanceOf(SpanFirstQuery.class));
        SpanFirstQuery spanFirstQuery = (SpanFirstQuery) parsedQuery;
        // since age is automatically registered in data, we encode it as numeric
        assertThat(((SpanTermQuery) spanFirstQuery.getMatch()).getTerm(), equalTo(new Term("age", longToPrefixCoded(34, 0))));
        assertThat(spanFirstQuery.getEnd(), equalTo(12));
    }
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    public void testSpanFirstQuery() throws IOException {
        IndexQueryParserService queryParser = queryParser();
        String query = copyToStringFromClasspath("/org/elasticsearch/index/query/spanFirst.json");
        Query parsedQuery = queryParser.parse(query).query();
        assertThat(parsedQuery, instanceOf(SpanFirstQuery.class));
        SpanFirstQuery spanFirstQuery = (SpanFirstQuery) parsedQuery;
        // since age is automatically registered in data, we encode it as numeric
        assertThat(((SpanTermQuery) spanFirstQuery.getMatch()).getTerm(), equalTo(new Term("age", longToPrefixCoded(34, 0))));
        assertThat(spanFirstQuery.getEnd(), equalTo(12));
    }
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        }
        if (end == -1) {
            throw new QueryParsingException(parseContext.index(), "spanFirst must have [end] set for it");
        }

        SpanFirstQuery query = new SpanFirstQuery(match, end);
        query.setBoost(boost);
        if (queryName != null) {
            parseContext.addNamedQuery(queryName, query);
        }
        return query;
    }
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    writer.optimize();
    writer.close();

    IndexSearcher searcher = new IndexSearcher(directory, true);
    SpanQuery srq = new SpanMultiTermQueryWrapper<RegexQuery>(new RegexQuery(new Term("field", "aut.*")));
    SpanFirstQuery sfq = new SpanFirstQuery(srq, 1);
    // SpanNearQuery query = new SpanNearQuery(new SpanQuery[] {srq, stq}, 6,
    // true);
    int numHits = searcher.search(sfq, null, 1000).totalHits;
    assertEquals(1, numHits);
    searcher.close();
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    writer.optimize();
    writer.close();

    IndexSearcher searcher = new IndexSearcher(directory, true);
    SpanRegexQuery srq = new SpanRegexQuery(new Term("field", "aut.*"));
    SpanFirstQuery sfq = new SpanFirstQuery(srq, 1);
    // SpanNearQuery query = new SpanNearQuery(new SpanQuery[] {srq, stq}, 6,
    // true);
    int numHits = searcher.search(sfq, null, 1000).totalHits;
    assertEquals(1, numHits);
    searcher.close();
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  private static Query[] getPrebuiltQueries(String field) {
    WildcardQuery wcq = new WildcardQuery(new Term(field, "fo*"));
    wcq .setRewriteMethod(MultiTermQuery.CONSTANT_SCORE_FILTER_REWRITE);
    // be wary of unanalyzed text
    return new Query[] {
        new SpanFirstQuery(new SpanTermQuery(new Term(field, "ford")), 5),
        new SpanNearQuery(new SpanQuery[] {
            new SpanTermQuery(new Term(field, "night")),
            new SpanTermQuery(new Term(field, "trading")) }, 4, false),
        new SpanNearQuery(new SpanQuery[] {
            new SpanFirstQuery(new SpanTermQuery(new Term(field, "ford")), 10),
            new SpanTermQuery(new Term(field, "credit")) }, 10, false), wcq, };
  }
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  };
 
  private static Query[] getPrebuiltQueries(String field) {
    //  be wary of unanalyzed text
    return new Query[] {
        new SpanFirstQuery(new SpanTermQuery(new Term(field, "ford")), 5),
        new SpanNearQuery(new SpanQuery[]{new SpanTermQuery(new Term(field, "night")), new SpanTermQuery(new Term(field, "trading"))}, 4, false),
        new SpanNearQuery(new SpanQuery[]{new SpanFirstQuery(new SpanTermQuery(new Term(field, "ford")), 10), new SpanTermQuery(new Term(field, "credit"))}, 10, false),
        new WildcardQuery(new Term(field, "fo*")),
    };
  }
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Related Classes of org.apache.lucene.search.spans.SpanFirstQuery

  • com.senseidb.search.query.SpanFirstQueryConstructor
  • org.apache.lucene.benchmark.byTask.feeds.EnwikiQueryMaker
  • org.apache.lucene.benchmark.byTask.feeds.ReutersQueryMaker
  • org.apache.lucene.benchmark.standard.ReutersQueries
  • org.apache.lucene.queryparser.xml.builders.SpanFirstBuilder
  • org.apache.lucene.sandbox.queries.regex.TestSpanRegexQuery
  • org.apache.lucene.search.postingshighlight.TestMultiTermHighlighting
  • org.apache.lucene.search.regex.TestSpanRegexQuery
  • org.apache.lucene.search.TestExplanations
  • org.apache.lucene.xmlparser.builders.SpanFirstBuilder
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