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

Example 66 with WildcardQuery

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

the class TestUnifiedHighlighterMTQ method testCustomSpanQueryHighlighting.

public void testCustomSpanQueryHighlighting() throws Exception {
    RandomIndexWriter iw = new RandomIndexWriter(random(), dir, indexAnalyzer);
    Document doc = new Document();
    doc.add(new Field("body", "alpha bravo charlie delta echo foxtrot golf hotel india juliet", fieldType));
    doc.add(newTextField("id", "id", Field.Store.YES));
    iw.addDocument(doc);
    IndexReader ir = iw.getReader();
    iw.close();
    IndexSearcher searcher = newSearcher(ir);
    UnifiedHighlighter highlighter = new UnifiedHighlighter(searcher, indexAnalyzer) {

        @Override
        protected List<Query> preMultiTermQueryRewrite(Query query) {
            if (query instanceof MyWrapperSpanQuery) {
                return Collections.singletonList(((MyWrapperSpanQuery) query).originalQuery);
            }
            return null;
        }
    };
    int docId = searcher.search(new TermQuery(new Term("id", "id")), 1).scoreDocs[0].doc;
    WildcardQuery wildcardQuery = new WildcardQuery(new Term("body", "foxtr*"));
    SpanMultiTermQueryWrapper wildcardQueryWrapper = new SpanMultiTermQueryWrapper<>(wildcardQuery);
    SpanQuery wrappedQuery = new MyWrapperSpanQuery(wildcardQueryWrapper);
    BooleanQuery query = new BooleanQuery.Builder().add(wrappedQuery, BooleanClause.Occur.SHOULD).build();
    int[] docIds = new int[] { docId };
    String[] snippets = highlighter.highlightFields(new String[] { "body" }, query, docIds, new int[] { 2 }).get("body");
    assertEquals(1, snippets.length);
    assertEquals("alpha bravo charlie delta echo <b>foxtrot</b> golf hotel india juliet", snippets[0]);
    ir.close();
}

Example 67 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 68 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 69 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();
}