/*******************************************************************************
* Copyright 2014 Analog Devices, Inc.
*
* 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 com.analog.lyric.collect;
import org.eclipse.jdt.annotation.Nullable;
/**
* Simple interface for element with an inherent key.
*
* @since 0.05
* @author Christopher Barber
* @see KeyedPriorityQueue
*/
public interface IKeyed<K>
{
/**
* Returns key for this element.
*/
public @Nullable K getKey();
}