Examples with Automaton org.apache.lucene.util.automaton.Automaton used on opensource projects

Example 56 with Automaton

use of org.apache.lucene.util.automaton.Automaton in project lucene-solr by apache.

the class TestGraphTokenizers method testOverlappedTokensSausage.

public void testOverlappedTokensSausage() throws Exception {
    // Two tokens on top of each other (sausage):
    final TokenStream ts = new CannedTokenStream(new Token[] { token("abc", 1, 1), token("xyz", 0, 1) });
    final Automaton a1 = s2a("abc");
    final Automaton a2 = s2a("xyz");
    assertSameLanguage(Operations.union(a1, a2), ts);
}

Example 57 with Automaton

use of org.apache.lucene.util.automaton.Automaton in project lucene-solr by apache.

the class TestRegexpQuery method testCustomProvider.

public void testCustomProvider() throws IOException {
    AutomatonProvider myProvider = new AutomatonProvider() {

        // automaton that matches quick or brown
        private Automaton quickBrownAutomaton = Operations.union(Arrays.asList(Automata.makeString("quick"), Automata.makeString("brown"), Automata.makeString("bob")));

        @Override
        public Automaton getAutomaton(String name) {
            if (name.equals("quickBrown"))
                return quickBrownAutomaton;
            else
                return null;
        }
    };
    RegexpQuery query = new RegexpQuery(newTerm("<quickBrown>"), RegExp.ALL, myProvider, DEFAULT_MAX_DETERMINIZED_STATES);
    assertEquals(1, searcher.search(query, 5).totalHits);
}