| 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.index.IndexReader; |
| import org.apache.lucene.index.LeafReaderContext; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class TestQueryCachingPolicy extends LuceneTestCase { |
| |
| public void testLargeSegmentDetection() throws IOException { |
| Directory dir = newDirectory(); |
| RandomIndexWriter w = new RandomIndexWriter(random(), dir); |
| final int numDocs = atLeast(100); |
| for (int i = 0; i < numDocs; ++i) { |
| w.addDocument(new Document()); |
| } |
| final IndexReader reader = w.getReader(); |
| for (float minSizeRatio : new float[] {Float.MIN_VALUE, 0.01f, 0.1f, 0.9f}) { |
| final QueryCachingPolicy policy = new QueryCachingPolicy.CacheOnLargeSegments(0, minSizeRatio); |
| for (LeafReaderContext ctx : reader.leaves()) { |
| final Query query = new TermQuery(new Term("field", "value")); |
| final boolean shouldCache = policy.shouldCache(query, ctx); |
| final float sizeRatio = (float) ctx.reader().maxDoc() / reader.maxDoc(); |
| assertEquals(sizeRatio >= minSizeRatio, shouldCache); |
| assertTrue(new QueryCachingPolicy.CacheOnLargeSegments(numDocs, Float.MIN_VALUE).shouldCache(query, ctx)); |
| assertFalse(new QueryCachingPolicy.CacheOnLargeSegments(numDocs + 1, Float.MIN_VALUE).shouldCache(query, ctx)); |
| } |
| } |
| reader.close(); |
| w.close(); |
| dir.close(); |
| } |
| |
| } |