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* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.
*/
package org.elasticsearch.index.store;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.MMapDirectory;
import org.apache.lucene.store.NIOFSDirectory;
import org.apache.lucene.store.NoLockFactory;
import org.apache.lucene.store.SimpleFSDirectory;
import org.apache.lucene.util.Constants;
import org.elasticsearch.Version;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.index.Index;
import org.elasticsearch.index.IndexModule;
import org.elasticsearch.index.IndexSettings;
import org.elasticsearch.index.shard.ShardId;
import org.elasticsearch.index.shard.ShardPath;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.test.IndexSettingsModule;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Locale;
public class IndexStoreTests extends ESTestCase {
public void testStoreDirectory() throws IOException {
Index index = new Index("foo", "fooUUID");
final Path tempDir = createTempDir().resolve(index.getUUID()).resolve("0");
// default
doTestStoreDirectory(index, tempDir, null, IndexModule.Type.FS);
// explicit directory impls
for (IndexModule.Type type : IndexModule.Type.values()) {
doTestStoreDirectory(index, tempDir, type.name().toLowerCase(Locale.ROOT), type);
}
}
private void doTestStoreDirectory(Index index, Path tempDir, String typeSettingValue, IndexModule.Type type) throws IOException {
Settings.Builder settingsBuilder = Settings.builder()
.put(IndexMetaData.SETTING_VERSION_CREATED, Version.CURRENT);
if (typeSettingValue != null) {
settingsBuilder.put(IndexModule.INDEX_STORE_TYPE_SETTING.getKey(), typeSettingValue);
}
Settings settings = settingsBuilder.build();
IndexSettings indexSettings = IndexSettingsModule.newIndexSettings("foo", settings);
FsDirectoryService service = new FsDirectoryService(indexSettings, null, new ShardPath(false, tempDir, tempDir, new ShardId(index, 0)));
try (Directory directory = service.newFSDirectory(tempDir, NoLockFactory.INSTANCE)) {
switch (type) {
case NIOFS:
assertTrue(type + " " + directory.toString(), directory instanceof NIOFSDirectory);
break;
case MMAPFS:
assertTrue(type + " " + directory.toString(), directory instanceof MMapDirectory);
break;
case SIMPLEFS:
assertTrue(type + " " + directory.toString(), directory instanceof SimpleFSDirectory);
break;
case FS:
if (Constants.JRE_IS_64BIT && MMapDirectory.UNMAP_SUPPORTED) {
assertTrue(directory.toString(), directory instanceof MMapDirectory);
} else if (Constants.WINDOWS) {
assertTrue(directory.toString(), directory instanceof SimpleFSDirectory);
} else {
assertTrue(directory.toString(), directory instanceof NIOFSDirectory);
}
break;
default:
fail();
}
}
}
}