1 package org.apache.lucene.facet.search;
3 import java.io.IOException;
4 import java.util.Arrays;
7 import org.apache.lucene.index.CorruptIndexException;
8 import org.apache.lucene.index.IndexWriterConfig;
9 import org.apache.lucene.index.RandomIndexWriter;
10 import org.apache.lucene.util._TestUtil;
12 import org.apache.lucene.analysis.Analyzer;
13 import org.apache.lucene.facet.FacetTestBase;
14 import org.apache.lucene.facet.index.params.FacetIndexingParams;
15 import org.apache.lucene.facet.search.params.CountFacetRequest;
16 import org.apache.lucene.facet.search.params.FacetSearchParams;
17 import org.apache.lucene.facet.taxonomy.CategoryPath;
18 import org.apache.lucene.facet.taxonomy.TaxonomyWriter;
21 * Licensed to the Apache Software Foundation (ASF) under one or more
22 * contributor license agreements. See the NOTICE file distributed with
23 * this work for additional information regarding copyright ownership.
24 * The ASF licenses this file to You under the Apache License, Version 2.0
25 * (the "License"); you may not use this file except in compliance with
26 * the License. You may obtain a copy of the License at
28 * http://www.apache.org/licenses/LICENSE-2.0
30 * Unless required by applicable law or agreed to in writing, software
31 * distributed under the License is distributed on an "AS IS" BASIS,
32 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
33 * See the License for the specific language governing permissions and
34 * limitations under the License.
37 public abstract class BaseTestTopK extends FacetTestBase {
39 protected static final String ALPHA = "alpha";
40 protected static final String BETA = "beta";
42 /** partition sizes on which the tests are run */
43 protected static int[] partitionSizes = new int[] { 2, 3, 100, Integer.MAX_VALUE };
45 /** Categories are generated from range [0,maxCategory) */
46 protected static int maxCategory = 5000;
47 private static final int categoriesPow2 = maxCategory * maxCategory;
53 protected void populateIndex(RandomIndexWriter iw, TaxonomyWriter taxo,
54 FacetIndexingParams iParams) throws IOException, CorruptIndexException {
56 super.populateIndex(iw, taxo, iParams);
59 /** prepare the next random int */
60 private void nextInt(int doc) {
61 if (currDoc == doc ) {
65 nextInt = random.nextInt(categoriesPow2);
66 nextInt = (int)Math.sqrt(nextInt);
70 protected String getContent(int doc) {
72 if (random.nextDouble() > 0.1) {
73 return ALPHA + ' ' + BETA;
79 protected List<CategoryPath> getCategories(int doc) {
81 CategoryPath cp = new CategoryPath(
83 Integer.toString(nextInt / 1000),
84 Integer.toString(nextInt / 100),
85 Integer.toString(nextInt / 10));
87 System.out.println("Adding CP: " + cp.toString());
89 return Arrays.asList(new CategoryPath[] { cp });
92 protected FacetSearchParams searchParamsWithRequests(int numResults) {
93 return searchParamsWithRequests(numResults, Integer.MAX_VALUE);
96 protected FacetSearchParams searchParamsWithRequests(int numResults, int partitionSize) {
97 FacetSearchParams res = getFacetedSearchParams(partitionSize);
98 res.addFacetRequest(new CountFacetRequest(new CategoryPath("a"), numResults));
99 res.addFacetRequest(new CountFacetRequest(new CategoryPath("a", "1"), numResults));
100 res.addFacetRequest(new CountFacetRequest(new CategoryPath("a", "1", "10"), numResults));
101 res.addFacetRequest(new CountFacetRequest(new CategoryPath("a", "2", "26", "267"), numResults));
106 protected int numDocsToIndex() {
111 protected IndexWriterConfig getIndexWriterConfig(Analyzer analyzer) {
112 return super.getIndexWriterConfig(analyzer).setMaxBufferedDocs(_TestUtil.nextInt(random, 500, 10000));