How to use

BasicAutomata

in

org.apache.lucene.util.automaton

switch(c) {
 case WILDCARD_STRING:
  automata.add(BasicAutomata.makeAnyString());
  break;
 case WILDCARD_CHAR:
  automata.add(BasicAutomata.makeAnyChar());
  break;
 case WILDCARD_ESCAPE:
   final int nextChar = wildcardText.codePointAt(i + length);
   length += Character.charCount(nextChar);
   automata.add(BasicAutomata.makeChar(nextChar));
   break;
  automata.add(BasicAutomata.makeChar(c));

public void testCustomProvider() throws IOException {
 final AutomatonProvider myProvider = new AutomatonProvider() {
  // automaton that matches quick or brown
  private final Automaton quickBrownAutomaton = BasicOperations.union(Arrays
    .asList(BasicAutomata.makeString("quick"),
    BasicAutomata.makeString("brown"),
    BasicAutomata.makeString("bob")));
  public Automaton getAutomaton(final String name) {
   if (name.equals("quickBrown")) return quickBrownAutomaton;
   else return null;
  }
 };
 final NodeRegexpQuery query = new NodeRegexpQuery(this.newTerm("<quickBrown>"),
  RegExp.ALL, myProvider);
 assertEquals(1, searcher.search(dq(query), 5).totalHits);
}

public void testCustomProvider() throws IOException {
 final AutomatonProvider myProvider = new AutomatonProvider() {
  // automaton that matches quick or brown
  private final Automaton quickBrownAutomaton = BasicOperations.union(Arrays
    .asList(BasicAutomata.makeString("quick"),
    BasicAutomata.makeString("brown"),
    BasicAutomata.makeString("bob")));
  public Automaton getAutomaton(final String name) {
   if (name.equals("quickBrown")) return quickBrownAutomaton;
   else return null;
  }
 };
 final NodeRegexpQuery query = new NodeRegexpQuery(this.newTerm("<quickBrown>"),
  RegExp.ALL, myProvider);
 assertEquals(1, searcher.search(dq(query), 5).totalHits);
}

switch(c) {
 case WILDCARD_STRING:
  automata.add(BasicAutomata.makeAnyString());
  break;
 case WILDCARD_CHAR:
  automata.add(BasicAutomata.makeAnyChar());
  break;
 case WILDCARD_ESCAPE:
   final int nextChar = wildcardText.codePointAt(i + length);
   length += Character.charCount(nextChar);
   automata.add(BasicAutomata.makeChar(nextChar));
   break;
  automata.add(BasicAutomata.makeChar(c));