Examples with WildcardQuery org.apache.lucene.search.WildcardQuery used on opensource projects

Example 61 with WildcardQuery

use of org.apache.lucene.search.WildcardQuery in project lucene-solr by apache.

the class TestUnifiedHighlighterMTQ method testWildcardInDisjunctionMax.

public void testWildcardInDisjunctionMax() throws Exception {
    RandomIndexWriter iw = new RandomIndexWriter(random(), dir, indexAnalyzer);
    Field body = new Field("body", "", fieldType);
    Document doc = new Document();
    doc.add(body);
    body.setStringValue("This is a test.");
    iw.addDocument(doc);
    body.setStringValue("Test a one sentence document.");
    iw.addDocument(doc);
    IndexReader ir = iw.getReader();
    iw.close();
    IndexSearcher searcher = newSearcher(ir);
    UnifiedHighlighter highlighter = new UnifiedHighlighter(searcher, indexAnalyzer);
    DisjunctionMaxQuery query = new DisjunctionMaxQuery(Collections.singleton(new WildcardQuery(new Term("body", "te*"))), 0);
    TopDocs topDocs = searcher.search(query, 10, Sort.INDEXORDER);
    assertEquals(2, topDocs.totalHits);
    String[] snippets = highlighter.highlight("body", query, topDocs);
    assertEquals(2, snippets.length);
    assertEquals("This is a <b>test</b>.", snippets[0]);
    assertEquals("<b>Test</b> a one sentence document.", snippets[1]);
    ir.close();
}

Example 62 with WildcardQuery

use of org.apache.lucene.search.WildcardQuery in project lucene-solr by apache.

the class TestUnifiedHighlighterMTQ method testWildcardInBoolean.

public void testWildcardInBoolean() throws Exception {
    RandomIndexWriter iw = new RandomIndexWriter(random(), dir, indexAnalyzer);
    Field body = new Field("body", "", fieldType);
    Document doc = new Document();
    doc.add(body);
    body.setStringValue("This is a test.");
    iw.addDocument(doc);
    body.setStringValue("Test a one sentence document.");
    iw.addDocument(doc);
    IndexReader ir = iw.getReader();
    iw.close();
    IndexSearcher searcher = newSearcher(ir);
    UnifiedHighlighter highlighter = new UnifiedHighlighter(searcher, indexAnalyzer);
    BooleanQuery query = new BooleanQuery.Builder().add(new WildcardQuery(new Term("body", "te*")), BooleanClause.Occur.SHOULD).build();
    TopDocs topDocs = searcher.search(query, 10, Sort.INDEXORDER);
    assertEquals(2, topDocs.totalHits);
    String[] snippets = highlighter.highlight("body", query, topDocs);
    assertEquals(2, snippets.length);
    assertEquals("This is a <b>test</b>.", snippets[0]);
    assertEquals("<b>Test</b> a one sentence document.", snippets[1]);
    // must not
    query = new BooleanQuery.Builder().add(new MatchAllDocsQuery(), BooleanClause.Occur.SHOULD).add(new WildcardQuery(new Term("bogus", "te*")), BooleanClause.Occur.MUST_NOT).build();
    topDocs = searcher.search(query, 10, Sort.INDEXORDER);
    assertEquals(2, topDocs.totalHits);
    snippets = highlighter.highlight("body", query, topDocs);
    assertEquals(2, snippets.length);
    assertEquals("This is a test.", snippets[0]);
    assertEquals("Test a one sentence document.", snippets[1]);
    ir.close();
}

Example 63 with WildcardQuery

use of org.apache.lucene.search.WildcardQuery in project lucene-solr by apache.

the class TestUnifiedHighlighterMTQ method testSpanNot.

public void testSpanNot() throws Exception {
    RandomIndexWriter iw = new RandomIndexWriter(random(), dir, indexAnalyzer);
    Field body = new Field("body", "", fieldType);
    Document doc = new Document();
    doc.add(body);
    body.setStringValue("This is a test.");
    iw.addDocument(doc);
    body.setStringValue("Test a one sentence document.");
    iw.addDocument(doc);
    IndexReader ir = iw.getReader();
    iw.close();
    IndexSearcher searcher = newSearcher(ir);
    UnifiedHighlighter highlighter = new UnifiedHighlighter(searcher, indexAnalyzer);
    SpanQuery include = new SpanMultiTermQueryWrapper<>(new WildcardQuery(new Term("body", "te*")));
    SpanQuery exclude = new SpanTermQuery(new Term("body", "bogus"));
    Query query = new SpanNotQuery(include, exclude);
    TopDocs topDocs = searcher.search(query, 10, Sort.INDEXORDER);
    assertEquals(2, topDocs.totalHits);
    String[] snippets = highlighter.highlight("body", query, topDocs);
    assertEquals(2, snippets.length);
    assertEquals("This is a <b>test</b>.", snippets[0]);
    assertEquals("<b>Test</b> a one sentence document.", snippets[1]);
    ir.close();
}

Example 64 with WildcardQuery

use of org.apache.lucene.search.WildcardQuery in project lucene-solr by apache.

the class SolrQueryParserBase method newWildcardQuery.

/**
   * Builds a new WildcardQuery instance
   * @param t wildcard term
   * @return new WildcardQuery instance
   */
protected Query newWildcardQuery(Term t) {
    WildcardQuery query = new WildcardQuery(t);
    SchemaField sf = schema.getField(t.field());
    query.setRewriteMethod(sf.getType().getRewriteMethod(parser, sf));
    return query;
}

Example 65 with WildcardQuery

use of org.apache.lucene.search.WildcardQuery in project lucene-solr by apache.

the class TestUnifiedHighlighterStrictPhrases method testFilteredOutSpan.

public void testFilteredOutSpan() throws IOException {
    indexWriter.addDocument(newDoc("freezing cold stuff like stuff freedom of speech"));
    initReaderSearcherHighlighter();
    WildcardQuery wildcardQuery = new WildcardQuery(new Term("body", "free*"));
    SpanMultiTermQueryWrapper<WildcardQuery> wildcardSpanQuery = new SpanMultiTermQueryWrapper<>(wildcardQuery);
    SpanTermQuery termQuery = new SpanTermQuery(new Term("body", "speech"));
    SpanQuery spanQuery = new SpanNearQuery(new SpanQuery[] { wildcardSpanQuery, termQuery }, 3, false);
    BooleanQuery query = new BooleanQuery.Builder().add(spanQuery, BooleanClause.Occur.MUST).build();
    TopDocs topDocs = searcher.search(query, 10, Sort.INDEXORDER);
    String[] snippets = highlighter.highlight("body", query, topDocs);
    assertArrayEquals(new String[] { "freezing cold stuff like stuff <b>freedom</b> of <b>speech</b>" }, snippets);
}