package org.apache.lucene.search;
/**
* 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.
*/
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Random;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.RandomIndexWriter;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.CachingWrapperFilter;
import org.apache.lucene.search.Filter;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.MatchAllDocsQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.QueryWrapperFilter;
import org.apache.lucene.search.Searcher;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.search.TermRangeFilter;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.LuceneTestCase;
public class ChainedFilterTest extends LuceneTestCase {
public static final int MAX = 500;
private Directory directory;
private IndexSearcher searcher;
private IndexReader reader;
private Query query;
// private DateFilter dateFilter; DateFilter was deprecated and removed
private TermRangeFilter dateFilter;
private QueryWrapperFilter bobFilter;
private QueryWrapperFilter sueFilter;
private Random random;
@Override
protected void setUp() throws Exception {
super.setUp();
random = newRandom();
directory = newDirectory(random);
RandomIndexWriter writer = new RandomIndexWriter(random, directory);
Calendar cal = new GregorianCalendar();
cal.clear();
cal.setTimeInMillis(1041397200000L); // 2003 January 01
for (int i = 0; i < MAX; i++) {
Document doc = new Document();
doc.add(new Field("key", "" + (i + 1), Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.add(new Field("owner", (i < MAX / 2) ? "bob" : "sue", Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.add(new Field("date", cal.getTime().toString(), Field.Store.YES, Field.Index.NOT_ANALYZED));
writer.addDocument(doc);
cal.add(Calendar.DATE, 1);
}
reader = writer.getReader();
writer.close();
searcher = new IndexSearcher(reader);
// query for everything to make life easier
BooleanQuery bq = new BooleanQuery();
bq.add(new TermQuery(new Term("owner", "bob")), BooleanClause.Occur.SHOULD);
bq.add(new TermQuery(new Term("owner", "sue")), BooleanClause.Occur.SHOULD);
query = bq;
// date filter matches everything too
//Date pastTheEnd = parseDate("2099 Jan 1");
// dateFilter = DateFilter.Before("date", pastTheEnd);
// just treat dates as strings and select the whole range for now...
dateFilter = new TermRangeFilter("date","","ZZZZ",true,true);
bobFilter = new QueryWrapperFilter(
new TermQuery(new Term("owner", "bob")));
sueFilter = new QueryWrapperFilter(
new TermQuery(new Term("owner", "sue")));
}
@Override
public void tearDown() throws Exception {
searcher.close();
reader.close();
directory.close();
super.tearDown();
}
private ChainedFilter getChainedFilter(Filter[] chain, int[] logic) {
if (logic == null) {
return new ChainedFilter(chain);
} else {
return new ChainedFilter(chain, logic);
}
}
private ChainedFilter getChainedFilter(Filter[] chain, int logic) {
return new ChainedFilter(chain, logic);
}
public void testSingleFilter() throws Exception {
ChainedFilter chain = getChainedFilter(new Filter[] {dateFilter}, null);
int numHits = searcher.search(query, chain, 1000).totalHits;
assertEquals(MAX, numHits);
chain = new ChainedFilter(new Filter[] {bobFilter});
numHits = searcher.search(query, chain, 1000).totalHits;
assertEquals(MAX / 2, numHits);
chain = getChainedFilter(new Filter[] {bobFilter}, new int[] {ChainedFilter.AND});
TopDocs hits = searcher.search(query, chain, 1000);
numHits = hits.totalHits;
assertEquals(MAX / 2, numHits);
assertEquals("bob", searcher.doc(hits.scoreDocs[0].doc).get("owner"));
chain = getChainedFilter(new Filter[] {bobFilter}, new int[] {ChainedFilter.ANDNOT});
hits = searcher.search(query, chain, 1000);
numHits = hits.totalHits;
assertEquals(MAX / 2, numHits);
assertEquals("sue", searcher.doc(hits.scoreDocs[0].doc).get("owner"));
}
public void testOR() throws Exception {
ChainedFilter chain = getChainedFilter(
new Filter[] {sueFilter, bobFilter}, null);
int numHits = searcher.search(query, chain, 1000).totalHits;
assertEquals("OR matches all", MAX, numHits);
}
public void testAND() throws Exception {
ChainedFilter chain = getChainedFilter(
new Filter[] {dateFilter, bobFilter}, ChainedFilter.AND);
TopDocs hits = searcher.search(query, chain, 1000);
assertEquals("AND matches just bob", MAX / 2, hits.totalHits);
assertEquals("bob", searcher.doc(hits.scoreDocs[0].doc).get("owner"));
}
public void testXOR() throws Exception {
ChainedFilter chain = getChainedFilter(
new Filter[]{dateFilter, bobFilter}, ChainedFilter.XOR);
TopDocs hits = searcher.search(query, chain, 1000);
assertEquals("XOR matches sue", MAX / 2, hits.totalHits);
assertEquals("sue", searcher.doc(hits.scoreDocs[0].doc).get("owner"));
}
public void testANDNOT() throws Exception {
ChainedFilter chain = getChainedFilter(
new Filter[]{dateFilter, sueFilter},
new int[] {ChainedFilter.AND, ChainedFilter.ANDNOT});
TopDocs hits = searcher.search(query, chain, 1000);
assertEquals("ANDNOT matches just bob",
MAX / 2, hits.totalHits);
assertEquals("bob", searcher.doc(hits.scoreDocs[0].doc).get("owner"));
chain = getChainedFilter(
new Filter[]{bobFilter, bobFilter},
new int[] {ChainedFilter.ANDNOT, ChainedFilter.ANDNOT});
hits = searcher.search(query, chain, 1000);
assertEquals("ANDNOT bob ANDNOT bob matches all sues",
MAX / 2, hits.totalHits);
assertEquals("sue", searcher.doc(hits.scoreDocs[0].doc).get("owner"));
}
/*
private Date parseDate(String s) throws ParseException {
return new SimpleDateFormat("yyyy MMM dd", Locale.US).parse(s);
}
*/
public void testWithCachingFilter() throws Exception {
Directory dir = newDirectory(random);
RandomIndexWriter writer = new RandomIndexWriter(random, dir);
IndexReader reader = writer.getReader();
writer.close();
Searcher searcher = new IndexSearcher(reader);
Query query = new TermQuery(new Term("none", "none"));
QueryWrapperFilter queryFilter = new QueryWrapperFilter(query);
CachingWrapperFilter cachingFilter = new CachingWrapperFilter(queryFilter);
searcher.search(query, cachingFilter, 1);
CachingWrapperFilter cachingFilter2 = new CachingWrapperFilter(queryFilter);
Filter[] chain = new Filter[2];
chain[0] = cachingFilter;
chain[1] = cachingFilter2;
ChainedFilter cf = new ChainedFilter(chain);
// throws java.lang.ClassCastException: org.apache.lucene.util.OpenBitSet cannot be cast to java.util.BitSet
searcher.search(new MatchAllDocsQuery(), cf, 1);
searcher.close();
reader.close();
dir.close();
}
}