Example usage for org.apache.lucene.util.automaton Transition Transition

Introduction

In this page you can find the example usage for org.apache.lucene.util.automaton Transition Transition.

Prototype

public Transition() 

Source Link

Document

Sole constructor.

Usage

From source file:org.getopt.luke.Luke.java

License:Apache License

private void addAutomaton(Object parent, Automaton a) {

    Object n = create("node");
    setString(n, "text", "Automaton: " + a != null ? a.toDot() : "null");
    add(parent, n);//  w w w .j a v  a2s .  c o m

    Transition t = new Transition();

    for (int state = 0; state < a.getNumStates(); state++) {
        Object n1 = create("node");
        add(n, n1);

        StringBuilder msg = new StringBuilder();
        msg.append(String.valueOf(state));

        // initial state
        if (state == 0) {
            msg.append(" INITIAL");
        }

        msg.append(a.isAccept(state) ? " [accept]" : " [reject]");

        int numTransitions = a.initTransition(state, t);

        msg.append(", " + numTransitions + " transitions");
        setString(n1, "text", msg.toString());

        //System.out.println("toDot: state " + state + " has " + numTransitions + " transitions; t.nextTrans=" + t.transitionUpto);
        for (int i = 0; i < numTransitions; i++) {
            a.getNextTransition(t);

            Object n2 = create("node");
            add(n1, n2);
            setString(n2, "text", t.toString());
            assert t.max >= t.min;
        }
    }
}

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