/*
* 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.test.engine;
import org.apache.lucene.index.FilterDirectoryReader;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.SearcherManager;
import org.elasticsearch.cluster.metadata.IndexMetaData;
import org.elasticsearch.index.engine.EngineConfig;
import org.elasticsearch.index.engine.EngineException;
import org.elasticsearch.index.engine.InternalEngine;
import java.io.IOException;
final class MockInternalEngine extends InternalEngine {
private MockEngineSupport support;
private final boolean randomizeFlushOnClose;
private Class<? extends FilterDirectoryReader> wrapperClass;
MockInternalEngine(EngineConfig config, boolean skipInitialTranslogRecovery, Class<? extends FilterDirectoryReader> wrapper) throws EngineException {
super(config, skipInitialTranslogRecovery);
randomizeFlushOnClose = IndexMetaData.isOnSharedFilesystem(config.getIndexSettings()) == false;
wrapperClass = wrapper;
}
private synchronized MockEngineSupport support() {
// lazy initialized since we need it already on super() ctor execution :(
if (support == null) {
support = new MockEngineSupport(config(), wrapperClass);
}
return support;
}
@Override
public void close() throws IOException {
switch (support().flushOrClose(this, MockEngineSupport.CloseAction.CLOSE)) {
case FLUSH_AND_CLOSE:
super.flushAndClose();
break;
case CLOSE:
super.close();
break;
}
}
@Override
public void flushAndClose() throws IOException {
if (randomizeFlushOnClose) {
switch (support().flushOrClose(this, MockEngineSupport.CloseAction.FLUSH_AND_CLOSE)) {
case FLUSH_AND_CLOSE:
super.flushAndClose();
break;
case CLOSE:
super.close();
break;
}
} else {
super.flushAndClose();
}
}
@Override
protected Searcher newSearcher(String source, IndexSearcher searcher, SearcherManager manager) throws EngineException {
final Searcher engineSearcher = super.newSearcher(source, searcher, manager);
return support().wrapSearcher(source, engineSearcher, searcher, manager);
}
}