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

Example 21 with RegexpQuery

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

the class RegexpQueryNodeBuilder method build.

@Override
public RegexpQuery build(QueryNode queryNode) throws QueryNodeException {
    RegexpQueryNode regexpNode = (RegexpQueryNode) queryNode;
    // TODO: make the maxStates configurable w/ a reasonable default (QueryParserBase uses 10000)
    RegexpQuery q = new RegexpQuery(new Term(regexpNode.getFieldAsString(), regexpNode.textToBytesRef()));
    MultiTermQuery.RewriteMethod method = (MultiTermQuery.RewriteMethod) queryNode.getTag(MultiTermRewriteMethodProcessor.TAG_ID);
    if (method != null) {
        q.setRewriteMethod(method);
    }
    return q;
}

Example 22 with RegexpQuery

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

the class SynonymTokenizer method testRegexQuery.

public void testRegexQuery() throws Exception {
    query = new RegexpQuery(new Term(FIELD_NAME, "ken.*"));
    searcher = newSearcher(reader);
    hits = searcher.search(query, 100);
    int maxNumFragmentsRequired = 2;
    QueryScorer scorer = new QueryScorer(query, FIELD_NAME);
    Highlighter highlighter = new Highlighter(this, scorer);
    for (int i = 0; i < hits.totalHits; i++) {
        final int docId = hits.scoreDocs[i].doc;
        final Document doc = searcher.doc(docId);
        String text = doc.get(FIELD_NAME);
        TokenStream tokenStream = getAnyTokenStream(FIELD_NAME, docId);
        highlighter.setTextFragmenter(new SimpleFragmenter(40));
        String result = highlighter.getBestFragments(tokenStream, text, maxNumFragmentsRequired, "...");
        if (VERBOSE)
            System.out.println("\t" + result);
    }
    assertTrue("Failed to find correct number of highlights " + numHighlights + " found", numHighlights == 5);
}

Example 23 with RegexpQuery

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

the class TestMemoryIndexAgainstRAMDir method testPassesIfWrapped.

// LUCENE-3831
public void testPassesIfWrapped() throws IOException {
    RegexpQuery regex = new RegexpQuery(new Term("field", "worl."));
    SpanQuery wrappedquery = new SpanOrQuery(new SpanMultiTermQueryWrapper<>(regex));
    MemoryIndex mindex = randomMemoryIndex();
    mindex.addField("field", new MockAnalyzer(random()).tokenStream("field", "hello there"));
    // This passes though
    assertEquals(0, mindex.search(wrappedquery), 0.00001f);
    TestUtil.checkReader(mindex.createSearcher().getIndexReader());
}

Example 24 with RegexpQuery

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

the class SolrQueryParserBase method newRegexpQuery.

/**
   * Builds a new RegexpQuery instance
   * @param regexp Regexp term
   * @return new RegexpQuery instance
   */
protected Query newRegexpQuery(Term regexp) {
    RegexpQuery query = new RegexpQuery(regexp);
    SchemaField sf = schema.getField(regexp.field());
    query.setRewriteMethod(sf.getType().getRewriteMethod(parser, sf));
    return query;
}

Example 25 with RegexpQuery

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

the class FieldQueryTest method testRegexpQuery.

public void testRegexpQuery() throws Exception {
    makeIndexStrMV();
    Term term = new Term(F, "d[a-z].g");
    defgMultiTermQueryTest(new RegexpQuery(term));
}