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/*
* Copyright 2014-2024 Real Logic Limited.
*
* 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
*
* https://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 com.fluxtion.agrona.collections;
/**
* Sentinel value used in collections supporting null value references.
*/
public final class NullReference
{
/**
* Single instance of the {@link NullReference} class.
*/
public static final NullReference INSTANCE = new NullReference();
private NullReference()
{
}
/**
* {@inheritDoc}
*/
public int hashCode()
{
return 0;
}
/**
* {@inheritDoc}
*/
public boolean equals(final Object obj)
{
return obj == this;
}
}