Examples with SpanQuery org.apache.lucene.search.spans.SpanQuery used on opensource projects

Example 76 with SpanQuery

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

the class TestQueryBuilder method testMultiWordSynonymsPhrase.

/** forms graph query */
public void testMultiWordSynonymsPhrase() throws Exception {
    SpanNearQuery expectedNear = SpanNearQuery.newOrderedNearQuery("field").addClause(new SpanTermQuery(new Term("field", "guinea"))).addClause(new SpanTermQuery(new Term("field", "pig"))).setSlop(0).build();
    SpanTermQuery expectedTerm = new SpanTermQuery(new Term("field", "cavy"));
    QueryBuilder queryBuilder = new QueryBuilder(new MockSynonymAnalyzer());
    assertEquals(new SpanOrQuery(new SpanQuery[] { expectedNear, expectedTerm }), queryBuilder.createPhraseQuery("field", "guinea pig"));
}

Example 77 with SpanQuery

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

the class TestUnifiedHighlighterMTQ method testSpanPositionCheck.

public void testSpanPositionCheck() 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 childQuery = new SpanMultiTermQueryWrapper<>(new WildcardQuery(new Term("body", "te*")));
    Query query = new SpanFirstQuery(childQuery, 1000000);
    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 78 with SpanQuery

use of org.apache.lucene.search.spans.SpanQuery 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 79 with SpanQuery

use of org.apache.lucene.search.spans.SpanQuery 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 80 with SpanQuery

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

the class SynonymTokenizer method testGetBestFragmentsQueryScorer.

public void testGetBestFragmentsQueryScorer() throws Exception {
    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);
            // Currently highlights "John" and "Kennedy" separately
            assertTrue("Failed to find correct number of highlights " + numHighlights + " found", numHighlights == 2);
        }
    };
    helper.start();
}