org.apache.tika.eval.textstats.TokenCountPriorityQueue Maven / Gradle / Ivy
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* 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,
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package org.apache.tika.eval.textstats;
import org.apache.lucene.util.PriorityQueue;
import org.apache.tika.eval.tokens.TokenIntPair;
public class TokenCountPriorityQueue extends PriorityQueue {
public 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.getToken().compareTo(arg0.getToken()) < 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;
}
}