1 package org.apache.helix.model;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 public class Transition
23 {
24 final private String _fromState;
25 final private String _toState;
26
27 public Transition(String fromState, String toState)
28 {
29 _fromState = fromState;
30 _toState = toState;
31 }
32
33 @Override
34 public String toString()
35 {
36 return _fromState + "-" + _toState;
37 }
38
39 @Override
40 public int hashCode()
41 {
42 return toString().hashCode();
43 }
44
45 @Override
46 public boolean equals(Object that)
47 {
48 if (that == null || !(that instanceof Transition))
49 {
50 return false;
51 }
52 return this.toString().equalsIgnoreCase(that.toString());
53 }
54
55 public String getFromState()
56 {
57 return _fromState;
58 }
59
60 public String getToState()
61 {
62 return _toState;
63 }
64
65 }