Examples with CommonGramsFilter org.apache.lucene.analysis.commongrams.CommonGramsFilter used on opensource projects

Example 1 with CommonGramsFilter

use of org.apache.lucene.analysis.commongrams.CommonGramsFilter in project lucene-solr by apache.

the class TestBugInSomething method test.

public void test() throws Exception {
    final CharArraySet cas = new CharArraySet(3, false);
    cas.add("jjp");
    cas.add("wlmwoknt");
    cas.add("tcgyreo");
    final NormalizeCharMap.Builder builder = new NormalizeCharMap.Builder();
    builder.add("mtqlpi", "");
    builder.add("mwoknt", "jjp");
    builder.add("tcgyreo", "zpfpajyws");
    final NormalizeCharMap map = builder.build();
    Analyzer a = new Analyzer() {

        @Override
        protected TokenStreamComponents createComponents(String fieldName) {
            Tokenizer t = new MockTokenizer(MockTokenFilter.ENGLISH_STOPSET, false, -65);
            TokenFilter f = new CommonGramsFilter(t, cas);
            return new TokenStreamComponents(t, f);
        }

        @Override
        protected Reader initReader(String fieldName, Reader reader) {
            reader = new MockCharFilter(reader, 0);
            reader = new MappingCharFilter(map, reader);
            reader = new TestRandomChains.CheckThatYouDidntReadAnythingReaderWrapper(reader);
            return reader;
        }
    };
    checkAnalysisConsistency(random(), a, false, "wmgddzunizdomqyj");
    a.close();
}