content: package org.apache.lucene.search.spell;
  
  
  /**
   * 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.
   */
  
  import org.apache.lucene.util.PriorityQueue;
  
  import java.util.Comparator;
  
  
  /**
   * Sorts SuggestWord instances
   *
   * @see org.apache.lucene.search.spell.SuggestWordScoreComparator
   * @see org.apache.lucene.search.spell.SuggestWordFrequencyComparator
   *
   */
  public final class SuggestWordQueue extends PriorityQueue<SuggestWord> {
    public static final Comparator<SuggestWord> DEFAULT_COMPARATOR = new SuggestWordScoreComparator();
  
  
    private Comparator<SuggestWord> comparator;
  
    /**
     * Use the {@link #DEFAULT_COMPARATOR}
     * @param size The size of the queue
     */
    public SuggestWordQueue (int size) {
      initialize(size);
      comparator = DEFAULT_COMPARATOR;
    }
  
    /**
     * Specify the size of the queue and the comparator to use for sorting.
     * @param size The size
     * @param comparator The comparator.
     */
    public SuggestWordQueue(int size, Comparator<SuggestWord> comparator){
      initialize(size);
      this.comparator = comparator;
    }
  
    @Override
    protected final boolean lessThan (SuggestWord wa, SuggestWord wb) {
      int val = comparator.compare(wa, wb);
      return val < 0;
    }
  }
  