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.io.IOException;
import org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.BooleanClause;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.store.RAMDirectory;
public class TestBooleanOr extends LuceneTestCase {
private static String FIELD_T = "T";
private static String FIELD_C = "C";
private TermQuery t1 = new TermQuery(new Term(FIELD_T, "files"));
private TermQuery t2 = new TermQuery(new Term(FIELD_T, "deleting"));
private TermQuery c1 = new TermQuery(new Term(FIELD_C, "production"));
private TermQuery c2 = new TermQuery(new Term(FIELD_C, "optimize"));
private IndexSearcher searcher = null;
private int search(Query q) throws IOException {
QueryUtils.check(q,searcher);
return searcher.search(q, null, 1000).totalHits;
}
public void testElements() throws IOException {
assertEquals(1, search(t1));
assertEquals(1, search(t2));
assertEquals(1, search(c1));
assertEquals(1, search(c2));
}
/**
* <code>T:files T:deleting C:production C:optimize </code>
* it works.
*
* @throws IOException
*/
public void testFlat() throws IOException {
BooleanQuery q = new BooleanQuery();
q.add(new BooleanClause(t1, BooleanClause.Occur.SHOULD));
q.add(new BooleanClause(t2, BooleanClause.Occur.SHOULD));
q.add(new BooleanClause(c1, BooleanClause.Occur.SHOULD));
q.add(new BooleanClause(c2, BooleanClause.Occur.SHOULD));
assertEquals(1, search(q));
}
/**
* <code>(T:files T:deleting) (+C:production +C:optimize)</code>
* it works.
*
* @throws IOException
*/
public void testParenthesisMust() throws IOException {
BooleanQuery q3 = new BooleanQuery();
q3.add(new BooleanClause(t1, BooleanClause.Occur.SHOULD));
q3.add(new BooleanClause(t2, BooleanClause.Occur.SHOULD));
BooleanQuery q4 = new BooleanQuery();
q4.add(new BooleanClause(c1, BooleanClause.Occur.MUST));
q4.add(new BooleanClause(c2, BooleanClause.Occur.MUST));
BooleanQuery q2 = new BooleanQuery();
q2.add(q3, BooleanClause.Occur.SHOULD);
q2.add(q4, BooleanClause.Occur.SHOULD);
assertEquals(1, search(q2));
}
/**
* <code>(T:files T:deleting) +(C:production C:optimize)</code>
* not working. results NO HIT.
*
* @throws IOException
*/
public void testParenthesisMust2() throws IOException {
BooleanQuery q3 = new BooleanQuery();
q3.add(new BooleanClause(t1, BooleanClause.Occur.SHOULD));
q3.add(new BooleanClause(t2, BooleanClause.Occur.SHOULD));
BooleanQuery q4 = new BooleanQuery();
q4.add(new BooleanClause(c1, BooleanClause.Occur.SHOULD));
q4.add(new BooleanClause(c2, BooleanClause.Occur.SHOULD));
BooleanQuery q2 = new BooleanQuery();
q2.add(q3, BooleanClause.Occur.SHOULD);
q2.add(q4, BooleanClause.Occur.MUST);
assertEquals(1, search(q2));
}
/**
* <code>(T:files T:deleting) (C:production C:optimize)</code>
* not working. results NO HIT.
*
* @throws IOException
*/
public void testParenthesisShould() throws IOException {
BooleanQuery q3 = new BooleanQuery();
q3.add(new BooleanClause(t1, BooleanClause.Occur.SHOULD));
q3.add(new BooleanClause(t2, BooleanClause.Occur.SHOULD));
BooleanQuery q4 = new BooleanQuery();
q4.add(new BooleanClause(c1, BooleanClause.Occur.SHOULD));
q4.add(new BooleanClause(c2, BooleanClause.Occur.SHOULD));
BooleanQuery q2 = new BooleanQuery();
q2.add(q3, BooleanClause.Occur.SHOULD);
q2.add(q4, BooleanClause.Occur.SHOULD);
assertEquals(1, search(q2));
}
protected void setUp() throws Exception {
super.setUp();
super.setUp();
//
RAMDirectory rd = new RAMDirectory();
//
IndexWriter writer = new IndexWriter(rd, new StandardAnalyzer(), true, IndexWriter.MaxFieldLength.LIMITED);
//
Document d = new Document();
d.add(new Field(
FIELD_T,
"Optimize not deleting all files",
Field.Store.YES,
Field.Index.ANALYZED));
d.add(new Field(
FIELD_C,
"Deleted When I run an optimize in our production environment.",
Field.Store.YES,
Field.Index.ANALYZED));
//
writer.addDocument(d);
writer.close();
//
searcher = new IndexSearcher(rd);
}
}