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- This is not a unit test class, so it should not be here. 

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@149883 13f79535-47bb-0310-9956-ffa450edef68
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Otis Gospodnetic 2002-11-07 05:54:56 +00:00
parent 748fdb1b96
commit d0a577e1bd
1 changed files with 0 additions and 113 deletions
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src/test/org/apache/lucene/HighFreqTerms.java
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@ -1,113 +0,0 @@
package org.apache.lucene;
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2001 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache Lucene" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache",
* "Apache Lucene", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
import org.apache.lucene.util.PriorityQueue;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.FSDirectory;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.Term;
import org.apache.lucene.index.TermEnum;
class HighFreqTerms {
public static int numTerms = 100;
public static void main(String[] args) throws Exception {
IndexReader reader = IndexReader.open("index");
TermInfoQueue tiq = new TermInfoQueue(numTerms);
TermEnum terms = reader.terms();
int minFreq = 0;
while (terms.next()) {
if (terms.docFreq() > minFreq) {
tiq.put(new TermInfo(terms.term(), terms.docFreq()));
if (tiq.size() > numTerms) { // if tiq overfull
tiq.pop(); // remove lowest in tiq
minFreq = ((TermInfo)tiq.top()).docFreq; // reset minFreq
}
}
}
while (tiq.size() != 0) {
TermInfo termInfo = (TermInfo)tiq.pop();
System.out.println(termInfo.term + " " + termInfo.docFreq);
}
reader.close();
}
}
final class TermInfo {
TermInfo(Term t, int df) {
term = t;
docFreq = df;
}
int docFreq;
Term term;
}
final class TermInfoQueue extends PriorityQueue {
TermInfoQueue(int size) {
initialize(size);
}
protected final boolean lessThan(Object a, Object b) {
TermInfo termInfoA = (TermInfo)a;
TermInfo termInfoB = (TermInfo)b;
return termInfoA.docFreq < termInfoB.docFreq;
}
}