/*
* #!
* Ontopia Engine
* #-
* Copyright (C) 2001 - 2013 The Ontopia Project
* #-
* Licensed 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 net.ontopia.utils;
/**
* INTERNAL: A singleton null object for use where null cannot be used,
* and an object is required.
*/
public final class NullObject {
public static final NullObject INSTANCE = new NullObject();
private NullObject() {
}
public boolean equals(Object other) {
return (other instanceof NullObject);
}
public int hashCode() {
return 12345678;
}
}