1 package org.apache.lucene.search;
4 * Copyright 2004 The Apache Software Foundation
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
19 import java.io.ByteArrayOutputStream;
20 import java.io.IOException;
21 import java.io.PrintStream;
22 import java.util.concurrent.CyclicBarrier;
23 import java.util.concurrent.atomic.AtomicBoolean;
24 import java.util.concurrent.atomic.AtomicInteger;
26 import org.apache.lucene.analysis.MockAnalyzer;
27 import org.apache.lucene.document.Document;
28 import org.apache.lucene.document.Field;
29 import org.apache.lucene.document.NumericField;
30 import org.apache.lucene.index.IndexReader;
31 import org.apache.lucene.index.RandomIndexWriter;
32 import org.apache.lucene.store.Directory;
33 import org.apache.lucene.util.Bits;
34 import org.apache.lucene.util.LuceneTestCase;
36 public class TestFieldCache extends LuceneTestCase {
37 protected IndexReader reader;
39 private Directory directory;
42 public void setUp() throws Exception {
44 NUM_DOCS = atLeast(1000);
45 directory = newDirectory();
46 RandomIndexWriter writer= new RandomIndexWriter(random, directory, newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random)).setMergePolicy(newLogMergePolicy()));
47 long theLong = Long.MAX_VALUE;
48 double theDouble = Double.MAX_VALUE;
49 byte theByte = Byte.MAX_VALUE;
50 short theShort = Short.MAX_VALUE;
51 int theInt = Integer.MAX_VALUE;
52 float theFloat = Float.MAX_VALUE;
53 for (int i = 0; i < NUM_DOCS; i++){
54 Document doc = new Document();
55 doc.add(newField("theLong", String.valueOf(theLong--), Field.Store.NO, Field.Index.NOT_ANALYZED));
56 doc.add(newField("theDouble", String.valueOf(theDouble--), Field.Store.NO, Field.Index.NOT_ANALYZED));
57 doc.add(newField("theByte", String.valueOf(theByte--), Field.Store.NO, Field.Index.NOT_ANALYZED));
58 doc.add(newField("theShort", String.valueOf(theShort--), Field.Store.NO, Field.Index.NOT_ANALYZED));
59 doc.add(newField("theInt", String.valueOf(theInt--), Field.Store.NO, Field.Index.NOT_ANALYZED));
60 doc.add(newField("theFloat", String.valueOf(theFloat--), Field.Store.NO, Field.Index.NOT_ANALYZED));
62 doc.add(newField("sparse", String.valueOf(i), Field.Store.NO, Field.Index.NOT_ANALYZED));
65 doc.add(new NumericField("numInt").setIntValue(i));
67 writer.addDocument(doc);
70 reader = IndexReader.open(directory, true);
74 public void tearDown() throws Exception {
80 public void testInfoStream() throws Exception {
82 FieldCache cache = FieldCache.DEFAULT;
83 ByteArrayOutputStream bos = new ByteArrayOutputStream(1024);
84 cache.setInfoStream(new PrintStream(bos));
85 cache.getDoubles(reader, "theDouble");
86 cache.getFloats(reader, "theDouble");
87 assertTrue(bos.toString().indexOf("WARNING") != -1);
89 FieldCache.DEFAULT.purgeAllCaches();
93 public void test() throws IOException {
94 FieldCache cache = FieldCache.DEFAULT;
95 double [] doubles = cache.getDoubles(reader, "theDouble", null, random.nextBoolean());
96 assertSame("Second request to cache return same array", doubles, cache.getDoubles(reader, "theDouble"));
97 assertSame("Second request with explicit parser return same array", doubles, cache.getDoubles(reader, "theDouble", FieldCache.DEFAULT_DOUBLE_PARSER));
98 assertTrue("doubles Size: " + doubles.length + " is not: " + NUM_DOCS, doubles.length == NUM_DOCS);
99 for (int i = 0; i < doubles.length; i++) {
100 assertTrue(doubles[i] + " does not equal: " + (Double.MAX_VALUE - i), doubles[i] == (Double.MAX_VALUE - i));
104 long [] longs = cache.getLongs(reader, "theLong", null, random.nextBoolean());
105 assertSame("Second request to cache return same array", longs, cache.getLongs(reader, "theLong"));
106 assertSame("Second request with explicit parser return same array", longs, cache.getLongs(reader, "theLong", FieldCache.DEFAULT_LONG_PARSER));
107 assertTrue("longs Size: " + longs.length + " is not: " + NUM_DOCS, longs.length == NUM_DOCS);
108 for (int i = 0; i < longs.length; i++) {
109 assertTrue(longs[i] + " does not equal: " + (Long.MAX_VALUE - i), longs[i] == (Long.MAX_VALUE - i));
113 byte [] bytes = cache.getBytes(reader, "theByte", null, random.nextBoolean());
114 assertSame("Second request to cache return same array", bytes, cache.getBytes(reader, "theByte"));
115 assertSame("Second request with explicit parser return same array", bytes, cache.getBytes(reader, "theByte", FieldCache.DEFAULT_BYTE_PARSER));
116 assertTrue("bytes Size: " + bytes.length + " is not: " + NUM_DOCS, bytes.length == NUM_DOCS);
117 for (int i = 0; i < bytes.length; i++) {
118 assertTrue(bytes[i] + " does not equal: " + (Byte.MAX_VALUE - i), bytes[i] == (byte) (Byte.MAX_VALUE - i));
122 short [] shorts = cache.getShorts(reader, "theShort", null, random.nextBoolean());
123 assertSame("Second request to cache return same array", shorts, cache.getShorts(reader, "theShort"));
124 assertSame("Second request with explicit parser return same array", shorts, cache.getShorts(reader, "theShort", FieldCache.DEFAULT_SHORT_PARSER));
125 assertTrue("shorts Size: " + shorts.length + " is not: " + NUM_DOCS, shorts.length == NUM_DOCS);
126 for (int i = 0; i < shorts.length; i++) {
127 assertTrue(shorts[i] + " does not equal: " + (Short.MAX_VALUE - i), shorts[i] == (short) (Short.MAX_VALUE - i));
131 int [] ints = cache.getInts(reader, "theInt", null, random.nextBoolean());
132 assertSame("Second request to cache return same array", ints, cache.getInts(reader, "theInt"));
133 assertSame("Second request with explicit parser return same array", ints, cache.getInts(reader, "theInt", FieldCache.DEFAULT_INT_PARSER));
134 assertTrue("ints Size: " + ints.length + " is not: " + NUM_DOCS, ints.length == NUM_DOCS);
135 for (int i = 0; i < ints.length; i++) {
136 assertTrue(ints[i] + " does not equal: " + (Integer.MAX_VALUE - i), ints[i] == (Integer.MAX_VALUE - i));
140 float [] floats = cache.getFloats(reader, "theFloat", null, random.nextBoolean());
141 assertSame("Second request to cache return same array", floats, cache.getFloats(reader, "theFloat"));
142 assertSame("Second request with explicit parser return same array", floats, cache.getFloats(reader, "theFloat", FieldCache.DEFAULT_FLOAT_PARSER));
143 assertTrue("floats Size: " + floats.length + " is not: " + NUM_DOCS, floats.length == NUM_DOCS);
144 for (int i = 0; i < floats.length; i++) {
145 assertTrue(floats[i] + " does not equal: " + (Float.MAX_VALUE - i), floats[i] == (Float.MAX_VALUE - i));
149 Bits docsWithField = cache.getDocsWithField(reader, "theLong");
150 assertSame("Second request to cache return same array", docsWithField, cache.getDocsWithField(reader, "theLong"));
151 assertTrue("docsWithField(theLong) must be class Bits.MatchAllBits", docsWithField instanceof Bits.MatchAllBits);
152 assertTrue("docsWithField(theLong) Size: " + docsWithField.length() + " is not: " + NUM_DOCS, docsWithField.length() == NUM_DOCS);
153 for (int i = 0; i < docsWithField.length(); i++) {
154 assertTrue(docsWithField.get(i));
157 docsWithField = cache.getDocsWithField(reader, "sparse");
158 assertSame("Second request to cache return same array", docsWithField, cache.getDocsWithField(reader, "sparse"));
159 assertFalse("docsWithField(sparse) must not be class Bits.MatchAllBits", docsWithField instanceof Bits.MatchAllBits);
160 assertTrue("docsWithField(sparse) Size: " + docsWithField.length() + " is not: " + NUM_DOCS, docsWithField.length() == NUM_DOCS);
161 for (int i = 0; i < docsWithField.length(); i++) {
162 assertEquals(i%2 == 0, docsWithField.get(i));
165 public void testDocsWithField() throws Exception {
166 FieldCache cache = FieldCache.DEFAULT;
167 cache.purgeAllCaches();
168 assertEquals(0, cache.getCacheEntries().length);
169 double[] doubles = cache.getDoubles(reader, "theDouble", null, true);
171 // The double[] takes two slots (one w/ null parser, one
172 // w/ real parser), and docsWithField should also
173 // have been populated:
174 assertEquals(3, cache.getCacheEntries().length);
175 Bits bits = cache.getDocsWithField(reader, "theDouble");
177 // No new entries should appear:
178 assertEquals(3, cache.getCacheEntries().length);
179 assertTrue(bits instanceof Bits.MatchAllBits);
181 int[] ints = cache.getInts(reader, "sparse", null, true);
182 assertEquals(6, cache.getCacheEntries().length);
183 Bits docsWithField = cache.getDocsWithField(reader, "sparse");
184 assertEquals(6, cache.getCacheEntries().length);
185 for (int i = 0; i < docsWithField.length(); i++) {
187 assertTrue(docsWithField.get(i));
188 assertEquals(i, ints[i]);
190 assertFalse(docsWithField.get(i));
194 int[] numInts = cache.getInts(reader, "numInt", null, random.nextBoolean());
195 docsWithField = cache.getDocsWithField(reader, "numInt");
196 for (int i = 0; i < docsWithField.length(); i++) {
198 assertTrue(docsWithField.get(i));
199 assertEquals(i, numInts[i]);
201 assertFalse(docsWithField.get(i));
206 public void testGetDocsWithFieldThreadSafety() throws Exception {
207 final FieldCache cache = FieldCache.DEFAULT;
208 cache.purgeAllCaches();
211 Thread[] threads = new Thread[NUM_THREADS];
212 final AtomicBoolean failed = new AtomicBoolean();
213 final AtomicInteger iters = new AtomicInteger();
214 final int NUM_ITER = 200 * RANDOM_MULTIPLIER;
215 final CyclicBarrier restart = new CyclicBarrier(NUM_THREADS,
217 // @Override not until java 1.6
219 cache.purgeAllCaches();
220 iters.incrementAndGet();
223 for(int threadIDX=0;threadIDX<NUM_THREADS;threadIDX++) {
224 threads[threadIDX] = new Thread() {
229 while(!failed.get()) {
230 final int op = random.nextInt(3);
232 // Purge all caches & resume, once all
235 if (iters.get() >= NUM_ITER) {
238 } else if (op == 1) {
239 Bits docsWithField = cache.getDocsWithField(reader, "sparse");
240 for (int i = 0; i < docsWithField.length(); i++) {
241 assertEquals(i%2 == 0, docsWithField.get(i));
244 int[] ints = cache.getInts(reader, "sparse", null, true);
245 Bits docsWithField = cache.getDocsWithField(reader, "sparse");
246 for (int i = 0; i < docsWithField.length(); i++) {
248 assertTrue(docsWithField.get(i));
249 assertEquals(i, ints[i]);
251 assertFalse(docsWithField.get(i));
256 } catch (Throwable t) {
259 throw new RuntimeException(t);
263 threads[threadIDX].start();
266 for(int threadIDX=0;threadIDX<NUM_THREADS;threadIDX++) {
267 threads[threadIDX].join();
269 assertFalse(failed.get());