org.apache.lucene.util.automaton.Transition Maven / Gradle / Ivy
package org.apache.lucene.util.automaton;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/** Holds one transition from an {@link Automaton}. This is typically
* used temporarily when iterating through transitions by invoking
* {@link Automaton#initTransition} and {@link Automaton#getNextTransition}. */
public class Transition {
/** Sole constructor. */
public Transition() {
}
/** Source state. */
public int source;
/** Destination state. */
public int dest;
/** Minimum accepted label (inclusive). */
public int min;
/** Maximum accepted label (inclusive). */
public int max;
/** Remembers where we are in the iteration; init to -1 to provoke
* exception if nextTransition is called without first initTransition. */
int transitionUpto = -1;
@Override
public String toString() {
return source + " --> " + dest + " " + (char) min + "-" + (char) max;
}
}