| /************************************************************** |
| * |
| * 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. |
| * |
| *************************************************************/ |
| |
| |
| |
| package convwatch; |
| |
| public class TriState |
| { |
| public static final TriState TRUE = new TriState(1); |
| public static final TriState FALSE = new TriState(0); |
| public static final TriState UNSET = new TriState(-1); |
| |
| int m_nValue; |
| |
| /** |
| Allocates a <code>TriState</code> object representing the |
| <code>value</code> argument. |
| |
| @param value the value of the <code>TriState</code>. |
| */ |
| public TriState(int value) |
| { |
| m_nValue = value; |
| } |
| |
| /** |
| Returns the value of this TriState object as an int |
| * @return the primitive <code>int</code> value of this object. |
| */ |
| public int intValue() |
| { |
| return m_nValue; |
| } |
| /** |
| Returns <code>true</code> if and only if the argument is not |
| <code>null</code> and is a <code>TriState</code> object that |
| contains the same <code>int</code> value as this object. |
| |
| @param obj the object to compare with. |
| @return <code>true</code> if the objects are the same; |
| <code>false</code> otherwise. |
| */ |
| |
| public boolean equals(Object obj) |
| { |
| if ((obj != null) && |
| (obj instanceof TriState)) |
| { |
| return m_nValue == ((TriState)obj).intValue(); |
| } |
| return false; |
| } |
| } |