/* * 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. */ package org.apache.tika.eval.tokens; import org.apache.lucene.util.PriorityQueue; public class TokenCountPriorityQueue extends PriorityQueue<TokenIntPair> { TokenCountPriorityQueue(int maxSize) { super(maxSize); } @Override protected boolean lessThan(TokenIntPair arg0, TokenIntPair arg1) { if (arg0.getValue() < arg1.getValue()) { return true; } else if (arg0.getValue() > arg1.getValue()) { return false; } return arg1.token.compareTo(arg0.token) < 0; } public TokenIntPair[] getArray() { TokenIntPair[] topN = new TokenIntPair[size()]; //now we reverse the queue TokenIntPair term = pop(); int i = topN.length-1; while (term != null && i > -1) { topN[i--] = term; term = pop(); } return topN; } }