/*
* Copyright 2012 Takao Nakaguchi
*
* Licensed 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.trie4j;
import java.io.PrintWriter;
import org.junit.Test;
import org.trie4j.patricia.MapPatriciaTrie;
import org.trie4j.test.LapTimer;
import org.trie4j.test.WikipediaTitles;
public class AbstractMapTrieWikipediaTest extends AbstractWikipediaTest{
private static final String wikipediaFilename = "data/jawiki-20140416-all-titles-in-ns0.gz";
@Override
protected MapTrie<Integer> createFirstTrie(){
return new MapPatriciaTrie<Integer>();
}
protected MapTrie<Integer> buildSecondTrie(MapTrie<Integer> firstTrie){
return firstTrie;
}
@Override
@SuppressWarnings("unchecked")
protected final MapTrie<Integer> buildSecondTrie(Trie firstTrie){
return (MapTrie<Integer>)buildSecondTrie((MapTrie<Integer>)firstTrie);
}
protected void afterVerification(Trie trie) throws Exception{
}
@Test
public void test() throws Exception{
MapTrie<Integer> trie = createFirstTrie();
System.out.println("building first trie: " + trie.getClass().getName());
int c = 0, chars = 0;
long b = 0;
LapTimer t = new LapTimer();
for(String word : new WikipediaTitles(wikipediaFilename)){
try{
t.reset();
trie.insert(word, c);
b += t.lapNanos();
} catch(Exception e){
System.out.println("exception at " + c + "th word: " + word);
trie.dump(new PrintWriter(System.out));
throw e;
}
c++;
chars += word.length();
}
System.out.println(String.format("done in %d millis with %d words and %d chars."
, (b / 1000000), c, chars));
MapTrie<Integer> second = buildSecondTrie(trie);
try{
getClass().getDeclaredMethod("buildSecondTrie", Trie.class);
System.out.print("building second trie: ");
t.reset();
second = buildSecondTrie(trie);
System.out.println("done in " + t.lapMillis() + "millis.");
} catch(NoSuchMethodException e){}
System.out.println("verifying trie.");
long sum = 0;
c = 0;
for(String word : new WikipediaTitles(wikipediaFilename)){
t.reset();
boolean found = (int)second.get(word) == c;
sum += t.lapNanos();
c++;
if(!found){
System.out.println(String.format(
"verification failed. trie not contains %d th word: [%s]"
+ " with id: [%d] actual: [%d]."
, c, word, c, second.get(word)));
break;
}
}
System.out.println("done in " + (sum / 1000000) + " millis with " + c + " words.");
afterVerification(second);
}
}