1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.maven.index;
20
21 import java.io.File;
22 import java.io.IOException;
23 import java.util.concurrent.atomic.AtomicInteger;
24
25 import org.apache.lucene.search.IndexSearcher;
26 import org.apache.maven.index.context.IndexingContext;
27 import org.apache.maven.index.packer.IndexPacker;
28 import org.apache.maven.index.packer.IndexPackingRequest;
29
30 /**
31 * The point in this test is: we use Merged context, and we modify some of the "members" in the merged context, while we
32 * try to publish those simultaneously.
33 *
34 * @author cstamas
35 */
36 public class ConcurrentUseWithMergedContextPublishingTest extends ConcurrentUseWithMergedContextTest {
37 protected IndexPacker packer;
38
39 protected File repoPublish = new File(getBasedir(), "target/repo-publish");
40
41 protected final AtomicInteger counter = new AtomicInteger();
42
43 @Override
44 public void setUp() throws Exception {
45 super.setUp();
46
47 packer = lookup(IndexPacker.class);
48 }
49
50 @Override
51 public void tearDown() throws Exception {
52 File props = new File(IndexingContext.INDEX_PACKER_PROPERTIES_FILE);
53 if (props.exists()) {
54 props.delete();
55 }
56 super.tearDown();
57 }
58
59 @Override
60 protected int readIndex(final NexusIndexer nexusIndexer, final IndexingContext indexingContext) throws IOException {
61 // note: concurrent Index publishing into SAME directory is not supported and should be avoided.
62 // This test had multiple threads doing it, and since it was not checking actual results of publish (that was
63 // not the goal of the test, but simultaneous publishing of merged context that has member changes happening),
64 // it was probably publish rubbish anyway.
65 final File publish = new File(repoPublish, "publish-" + counter.getAndIncrement());
66
67 final IndexSearcher indexSearcher = context.acquireIndexSearcher();
68 try {
69 final IndexPackingRequest request =
70 new IndexPackingRequest(context, indexSearcher.getIndexReader(), publish);
71 request.setCreateIncrementalChunks(false);
72 packer.packIndex(request);
73 } finally {
74 context.releaseIndexSearcher(indexSearcher);
75 }
76
77 return 1;
78 }
79 }