Package org.apache.lucene.search.spans

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

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      @Override
      protected Analyzer getIndexAnalyzer(String field) {
        return analyzer;
      }
    };
    SpanQuery childQuery = new SpanMultiTermQueryWrapper<WildcardQuery>(new WildcardQuery(new Term("body", "te*")));
    Query query = new SpanFirstQuery(childQuery, 1000000);
    TopDocs topDocs = searcher.search(query, null, 10, Sort.INDEXORDER);
    assertEquals(2, topDocs.totalHits);
    String snippets[] = highlighter.highlight("body", query, searcher, topDocs);
    assertEquals(2, snippets.length);
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  }

  // LUCENE-3831
  public void testNullPointerException() throws IOException {
    RegexpQuery regex = new RegexpQuery(new Term("field", "worl."));
    SpanQuery wrappedquery = new SpanMultiTermQueryWrapper<RegexpQuery>(regex);
       
    MemoryIndex mindex = new MemoryIndex(random().nextBoolean(),  random().nextInt(50) * 1024 * 1024);
    mindex.addField("field", new MockAnalyzer(random()).tokenStream("field", "hello there"));

    // This throws an NPE
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  }
   
  // LUCENE-3831
  public void testPassesIfWrapped() throws IOException {
    RegexpQuery regex = new RegexpQuery(new Term("field", "worl."));
    SpanQuery wrappedquery = new SpanOrQuery(new SpanMultiTermQueryWrapper<RegexpQuery>(regex));

    MemoryIndex mindex = new MemoryIndex(random().nextBoolean(),  random().nextInt(50) * 1024 * 1024);
    mindex.addField("field", new MockAnalyzer(random()).tokenStream("field", "hello there"));

    // This passes though
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    @Override public Query parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
        XContentParser parser = parseContext.parser();

        float boost = 1.0f;

        SpanQuery include = null;
        SpanQuery exclude = null;

        String currentFieldName = null;
        XContentParser.Token token;
        while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
            if (token == XContentParser.Token.FIELD_NAME) {
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    @Override public Query parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
        XContentParser parser = parseContext.parser();

        float boost = 1.0f;

        SpanQuery inner = null;
        String field = null;

        String currentFieldName = null;
        XContentParser.Token token;
        while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
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    @Override public Query parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
        XContentParser parser = parseContext.parser();

        float boost = 1.0f;

        SpanQuery match = null;
        int end = -1;

        String currentFieldName = null;
        XContentParser.Token token;
        while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
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    TestHighlightRunner helper = new TestHighlightRunner() {

      @Override
      public void run() throws Exception {
        numHighlights = 0;
        SpanQuery clauses[] = { new SpanTermQuery(new Term("contents", "john")),
            new SpanTermQuery(new Term("contents", "kennedy")), };

        SpanNearQuery snq = new SpanNearQuery(clauses, 1, true);
        doSearching(snq);
        doStandardHighlights(analyzer, searcher, hits, query, HighlighterTest.this);
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      @Override
      public void run() throws Exception {
        numHighlights = 0;
        TermRangeFilter rf = new TermRangeFilter("contents", "john", "john", true, true);
        SpanQuery clauses[] = { new SpanTermQuery(new Term("contents", "john")),
            new SpanTermQuery(new Term("contents", "kennedy")), };
        SpanNearQuery snq = new SpanNearQuery(clauses, 1, true);
        FilteredQuery fq = new FilteredQuery(snq, rf);

        doSearching(fq);
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    // create a instance off the Builder
    SpansQueryTreeBuilder spansQueryTreeBuilder = new SpansQueryTreeBuilder();

    // convert QueryNode tree to span query Objects
    SpanQuery spanquery = spansQueryTreeBuilder.build(queryTree);

    assertTrue(spanquery instanceof SpanTermQuery);
    assertEquals(spanquery.toString(), "index:text");

  }
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    }
  }
 
  private PayloadNearQuery newPhraseQuery (String fieldName, String phrase, boolean inOrder, PayloadFunction function ) {
    String[] words = phrase.split("[\\s]+");
    SpanQuery clauses[] = new SpanQuery[words.length];
    for (int i=0;i<clauses.length;i++) {
      clauses[i] = new SpanTermQuery(new Term(fieldName, words[i])); 
    }
    return new PayloadNearQuery(clauses, 0, inOrder, function);
  }
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Related Classes of org.apache.lucene.search.spans.SpanQuery

  • com.senseidb.search.query.SpanFirstQueryConstructor
  • com.senseidb.search.query.SpanNotQueryConstructor
  • com.tamingtext.qa.PassageRankingComponent
  • org.apache.lucene.index.memory.MemoryIndexTest
  • org.apache.lucene.queryparser.complexPhrase.ComplexPhraseQueryParser$ComplexPhraseQuery
  • org.apache.lucene.queryParser.complexPhrase.ComplexPhraseQueryParser$ComplexPhraseQuery
  • org.apache.lucene.queryparser.flexible.spans.TestSpanQueryParserSimpleSample
  • org.apache.lucene.queryParser.spans.TestSpanQueryParserSimpleSample
  • org.apache.lucene.queryParser.surround.query.SpanNearClauseFactory
  • org.apache.lucene.queryparser.surround.query.SpanNearClauseFactory
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