/*		 
 * Copyright (C) 2003-2013 Paolo Boldi and Sebastiano Vigna 
 *
 * 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 PACKAGE;

import it.unimi.dsi.fastutil.IndirectPriorityQueue;

/** A type-specific {@link IndirectPriorityQueue}. 
 *
 * <P>Additionally, this interface strengthens {@link #comparator()}.
 */

public interface INDIRECT_PRIORITY_QUEUE extends IndirectPriorityQueue<KEY_CLASS> {

    /** Returns the comparator associated with this queue.
	 *
	 * Note that this specification strengthens the one given in {@link IndirectPriorityQueue}.
	 *
	 * @return the comparator associated with this queue.
	 * @see IndirectPriorityQueue#comparator()
	 */
	KEY_COMPARATOR comparator();
}
