+++ /dev/null
-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.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.SerialMergeScheduler;
-import org.apache.lucene.index.Term;
-import org.apache.lucene.search.spans.SpanTermQuery;
-import org.apache.lucene.analysis.MockAnalyzer;
-import org.apache.lucene.store.Directory;
-import org.apache.lucene.util.LuceneTestCase;
-import org.apache.lucene.util._TestUtil;
-
-public class TestCachingSpanFilter extends LuceneTestCase {
-
- public void testEnforceDeletions() throws Exception {
- Directory dir = newDirectory();
- RandomIndexWriter writer = new RandomIndexWriter(
- random,
- dir,
- newIndexWriterConfig(random, TEST_VERSION_CURRENT, new MockAnalyzer(random)).
- setMergeScheduler(new SerialMergeScheduler()).
- // asserts below requires no unexpected merges:
- setMergePolicy(newLogMergePolicy(10))
- );
-
- // NOTE: cannot use writer.getReader because RIW (on
- // flipping a coin) may give us a newly opened reader,
- // but we use .reopen on this reader below and expect to
- // (must) get an NRT reader:
- IndexReader reader = IndexReader.open(writer.w, true);
- // same reason we don't wrap?
- IndexSearcher searcher = newSearcher(reader, false);
-
- // add a doc, refresh the reader, and check that its there
- Document doc = new Document();
- doc.add(newField("id", "1", Field.Store.YES, Field.Index.NOT_ANALYZED));
- writer.addDocument(doc);
-
- reader = refreshReader(reader);
- searcher.close();
- searcher = newSearcher(reader, false);
-
- TopDocs docs = searcher.search(new MatchAllDocsQuery(), 1);
- assertEquals("Should find a hit...", 1, docs.totalHits);
-
- final SpanFilter startFilter = new SpanQueryFilter(new SpanTermQuery(new Term("id", "1")));
-
- // ignore deletions
- CachingSpanFilter filter = new CachingSpanFilter(startFilter, CachingWrapperFilter.DeletesMode.IGNORE);
-
- docs = searcher.search(new MatchAllDocsQuery(), filter, 1);
- assertEquals("[query + filter] Should find a hit...", 1, docs.totalHits);
- ConstantScoreQuery constantScore = new ConstantScoreQuery(filter);
- docs = searcher.search(constantScore, 1);
- assertEquals("[just filter] Should find a hit...", 1, docs.totalHits);
-
- // now delete the doc, refresh the reader, and see that
- // it's not there
- _TestUtil.keepFullyDeletedSegments(writer.w);
- writer.deleteDocuments(new Term("id", "1"));
-
- reader = refreshReader(reader);
- searcher.close();
- searcher = newSearcher(reader, false);
-
- docs = searcher.search(new MatchAllDocsQuery(), filter, 1);
- assertEquals("[query + filter] Should *not* find a hit...", 0, docs.totalHits);
-
- docs = searcher.search(constantScore, 1);
- assertEquals("[just filter] Should find a hit...", 1, docs.totalHits);
-
-
- // force cache to regenerate:
- filter = new CachingSpanFilter(startFilter, CachingWrapperFilter.DeletesMode.RECACHE);
-
- writer.addDocument(doc);
- reader = refreshReader(reader);
- searcher.close();
- searcher = newSearcher(reader, false);
-
- docs = searcher.search(new MatchAllDocsQuery(), filter, 1);
- assertEquals("[query + filter] Should find a hit...", 1, docs.totalHits);
-
- constantScore = new ConstantScoreQuery(filter);
- docs = searcher.search(constantScore, 1);
- assertEquals("[just filter] Should find a hit...", 1, docs.totalHits);
-
- // NOTE: important to hold ref here so GC doesn't clear
- // the cache entry! Else the assert below may sometimes
- // fail:
- IndexReader oldReader = reader;
-
- // make sure we get a cache hit when we reopen readers
- // that had no new deletions
- reader = refreshReader(reader);
- assertTrue(reader != oldReader);
- searcher.close();
- searcher = newSearcher(reader, false);
- int missCount = filter.missCount;
- docs = searcher.search(constantScore, 1);
- assertEquals("[just filter] Should find a hit...", 1, docs.totalHits);
- assertEquals(missCount, filter.missCount);
-
- // now delete the doc, refresh the reader, and see that it's not there
- writer.deleteDocuments(new Term("id", "1"));
-
- reader = refreshReader(reader);
- searcher.close();
- searcher = newSearcher(reader, false);
-
- docs = searcher.search(new MatchAllDocsQuery(), filter, 1);
- assertEquals("[query + filter] Should *not* find a hit...", 0, docs.totalHits);
-
- docs = searcher.search(constantScore, 1);
- assertEquals("[just filter] Should *not* find a hit...", 0, docs.totalHits);
-
- // NOTE: silliness to make sure JRE does not optimize
- // away our holding onto oldReader to prevent
- // CachingWrapperFilter's WeakHashMap from dropping the
- // entry:
- assertTrue(oldReader != null);
-
- searcher.close();
- writer.close();
- reader.close();
- dir.close();
- }
-
- private static IndexReader refreshReader(IndexReader reader) throws IOException {
- IndexReader oldReader = reader;
- reader = reader.reopen();
- if (reader != oldReader) {
- oldReader.close();
- }
- return reader;
- }
-}
fnp / pylucene.git / blobdiff