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

Example 41 with MatchNoDocsQuery

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

the class TestMultiFieldQPHelper method assertStopQueryIsMatchNoDocsQuery.

// verify parsing of query using a stopping analyzer
private void assertStopQueryIsMatchNoDocsQuery(String qtxt) throws Exception {
    String[] fields = { "b", "t" };
    Occur[] occur = { Occur.SHOULD, Occur.SHOULD };
    TestQPHelper.QPTestAnalyzer a = new TestQPHelper.QPTestAnalyzer();
    StandardQueryParser mfqp = new StandardQueryParser();
    mfqp.setMultiFields(fields);
    mfqp.setAnalyzer(a);
    Query q = mfqp.parse(qtxt, null);
    assertTrue(q instanceof MatchNoDocsQuery);
}

Example 42 with MatchNoDocsQuery

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

the class GraphTermsQParserPlugin method createParser.

@Override
public QParser createParser(String qstr, SolrParams localParams, SolrParams params, SolrQueryRequest req) {
    return new QParser(qstr, localParams, params, req) {

        @Override
        public Query parse() throws SyntaxError {
            String fname = localParams.get(QueryParsing.F);
            FieldType ft = req.getSchema().getFieldTypeNoEx(fname);
            int maxDocFreq = localParams.getInt("maxDocFreq", Integer.MAX_VALUE);
            //never null
            String qstr = localParams.get(QueryParsing.V);
            if (qstr.length() == 0) {
                return new MatchNoDocsQuery();
            }
            final String[] splitVals = qstr.split(",");
            Term[] terms = new Term[splitVals.length];
            BytesRefBuilder term = new BytesRefBuilder();
            for (int i = 0; i < splitVals.length; i++) {
                String stringVal = splitVals[i].trim();
                if (ft != null) {
                    ft.readableToIndexed(stringVal, term);
                } else {
                    term.copyChars(stringVal);
                }
                BytesRef ref = term.toBytesRef();
                terms[i] = new Term(fname, ref);
            }
            ArrayUtil.timSort(terms);
            return new ConstantScoreQuery(new GraphTermsQuery(fname, terms, maxDocFreq));
        }
    };
}