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* the Apache License, Version 2.0 (the "License"); you may
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* 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
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package org.elasticsearch.index.shard;
import org.apache.lucene.index.Term;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.engine.Engine;
import org.elasticsearch.index.engine.InternalEngineTests;
import org.elasticsearch.index.mapper.ParsedDocument;
import org.elasticsearch.index.mapper.Uid;
import org.elasticsearch.index.seqno.SequenceNumbersService;
import org.elasticsearch.test.ESTestCase;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.concurrent.atomic.AtomicInteger;
import static org.hamcrest.Matchers.is;
public class IndexingOperationListenerTests extends ESTestCase{
// this test also tests if calls are correct if one or more listeners throw exceptions
public void testListenersAreExecuted() {
AtomicInteger preIndex = new AtomicInteger();
AtomicInteger postIndex = new AtomicInteger();
AtomicInteger postIndexException = new AtomicInteger();
AtomicInteger preDelete = new AtomicInteger();
AtomicInteger postDelete = new AtomicInteger();
AtomicInteger postDeleteException = new AtomicInteger();
ShardId randomShardId = new ShardId(new Index(randomAlphaOfLength(10), randomAlphaOfLength(10)), randomIntBetween(1, 10));
IndexingOperationListener listener = new IndexingOperationListener() {
@Override
public Engine.Index preIndex(ShardId shardId, Engine.Index operation) {
assertThat(shardId, is(randomShardId));
preIndex.incrementAndGet();
return operation;
}
@Override
public void postIndex(ShardId shardId, Engine.Index index, Engine.IndexResult result) {
assertThat(shardId, is(randomShardId));
if (result.hasFailure() == false) {
postIndex.incrementAndGet();
} else {
postIndex(shardId, index, result.getFailure());
}
}
@Override
public void postIndex(ShardId shardId, Engine.Index index, Exception ex) {
assertThat(shardId, is(randomShardId));
postIndexException.incrementAndGet();
}
@Override
public Engine.Delete preDelete(ShardId shardId, Engine.Delete delete) {
assertThat(shardId, is(randomShardId));
preDelete.incrementAndGet();
return delete;
}
@Override
public void postDelete(ShardId shardId, Engine.Delete delete, Engine.DeleteResult result) {
assertThat(shardId, is(randomShardId));
if (result.hasFailure() == false) {
postDelete.incrementAndGet();
} else {
postDelete(shardId, delete, result.getFailure());
}
}
@Override
public void postDelete(ShardId shardId, Engine.Delete delete, Exception ex) {
assertThat(shardId, is(randomShardId));
postDeleteException.incrementAndGet();
}
};
IndexingOperationListener throwingListener = new IndexingOperationListener() {
@Override
public Engine.Index preIndex(ShardId shardId, Engine.Index operation) {
throw new RuntimeException();
}
@Override
public void postIndex(ShardId shardId, Engine.Index index, Engine.IndexResult result) {
throw new RuntimeException();
}
@Override
public void postIndex(ShardId shardId, Engine.Index index, Exception ex) {
throw new RuntimeException();
}
@Override
public Engine.Delete preDelete(ShardId shardId, Engine.Delete delete) {
throw new RuntimeException();
}
@Override
public void postDelete(ShardId shardId, Engine.Delete delete, Engine.DeleteResult result) {
throw new RuntimeException();
}
@Override
public void postDelete(ShardId shardId, Engine.Delete delete, Exception ex) {
throw new RuntimeException();
}
};
final List<IndexingOperationListener> indexingOperationListeners = new ArrayList<>(Arrays.asList(listener, listener));
if (randomBoolean()) {
indexingOperationListeners.add(throwingListener);
if (randomBoolean()) {
indexingOperationListeners.add(throwingListener);
}
}
Collections.shuffle(indexingOperationListeners, random());
IndexingOperationListener.CompositeListener compositeListener =
new IndexingOperationListener.CompositeListener(indexingOperationListeners, logger);
ParsedDocument doc = InternalEngineTests.createParsedDoc("1", null);
Engine.Delete delete = new Engine.Delete("test", "1", new Term("_uid", Uid.createUidAsBytes(doc.type(), doc.id())));
Engine.Index index = new Engine.Index(new Term("_uid", Uid.createUidAsBytes(doc.type(), doc.id())), doc);
compositeListener.postDelete(randomShardId, delete, new Engine.DeleteResult(1, SequenceNumbersService.UNASSIGNED_SEQ_NO, true));
assertEquals(0, preIndex.get());
assertEquals(0, postIndex.get());
assertEquals(0, postIndexException.get());
assertEquals(0, preDelete.get());
assertEquals(2, postDelete.get());
assertEquals(0, postDeleteException.get());
compositeListener.postDelete(randomShardId, delete, new RuntimeException());
assertEquals(0, preIndex.get());
assertEquals(0, postIndex.get());
assertEquals(0, postIndexException.get());
assertEquals(0, preDelete.get());
assertEquals(2, postDelete.get());
assertEquals(2, postDeleteException.get());
compositeListener.preDelete(randomShardId, delete);
assertEquals(0, preIndex.get());
assertEquals(0, postIndex.get());
assertEquals(0, postIndexException.get());
assertEquals(2, preDelete.get());
assertEquals(2, postDelete.get());
assertEquals(2, postDeleteException.get());
compositeListener.postIndex(randomShardId, index, new Engine.IndexResult(0, SequenceNumbersService.UNASSIGNED_SEQ_NO, false));
assertEquals(0, preIndex.get());
assertEquals(2, postIndex.get());
assertEquals(0, postIndexException.get());
assertEquals(2, preDelete.get());
assertEquals(2, postDelete.get());
assertEquals(2, postDeleteException.get());
compositeListener.postIndex(randomShardId, index, new RuntimeException());
assertEquals(0, preIndex.get());
assertEquals(2, postIndex.get());
assertEquals(2, postIndexException.get());
assertEquals(2, preDelete.get());
assertEquals(2, postDelete.get());
assertEquals(2, postDeleteException.get());
compositeListener.preIndex(randomShardId, index);
assertEquals(2, preIndex.get());
assertEquals(2, postIndex.get());
assertEquals(2, postIndexException.get());
assertEquals(2, preDelete.get());
assertEquals(2, postDelete.get());
assertEquals(2, postDeleteException.get());
}
}