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package org.apache.lucene.search.spell;
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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import org.apache.lucene.util.PriorityQueue;
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import java.util.Comparator;
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* Sorts SuggestWord instances
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* @see org.apache.lucene.search.spell.SuggestWordScoreComparator
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* @see org.apache.lucene.search.spell.SuggestWordFrequencyComparator
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public final class SuggestWordQueue extends PriorityQueue<SuggestWord> {
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public static final Comparator<SuggestWord> DEFAULT_COMPARATOR = new SuggestWordScoreComparator();
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private Comparator<SuggestWord> comparator;
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* Use the {@link #DEFAULT_COMPARATOR}
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* @param size The size of the queue
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public SuggestWordQueue (int size) {
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comparator = DEFAULT_COMPARATOR;
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* Specify the size of the queue and the comparator to use for sorting.
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* @param size The size
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* @param comparator The comparator.
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public SuggestWordQueue(int size, Comparator<SuggestWord> comparator){
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this.comparator = comparator;
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protected final boolean lessThan (SuggestWord wa, SuggestWord wb) {
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int val = comparator.compare(wa, wb);