?? word.java
字號:
/*
* Copyright 2004-2008 H2 Group. Licensed under the H2 License, Version 1.0
* (license2)
* Initial Developer: H2 Group
*/
package org.h2.tools.indexer;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
/**
* Represents a word of the full text index.
*/
public class Word {
String name;
HashMap pages = new HashMap();
ArrayList weightList;
Word(String name) {
this.name = name;
}
void addPage(Page page, int weight) {
Weight w = (Weight) pages.get(page);
if (w == null) {
w = new Weight();
w.page = page;
pages.put(page, w);
}
w.value += weight;
page.relations++;
}
ArrayList getSortedWeights() {
if (weightList == null) {
weightList = new ArrayList(pages.values());
Collections.sort(weightList, new Comparator() {
public int compare(Object o0, Object o1) {
Weight w0 = (Weight) o0;
Weight w1 = (Weight) o1;
return w0.value < w1.value ? 1 : w0.value == w1.value ? 0 : -1;
}
});
}
return weightList;
}
}
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