/*
* Copyright 2004-2009 the original author or authors.
*
* Licensed 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.compass.core.lucene.engine.optimizer;
import java.io.IOException;
import org.apache.lucene.index.LuceneSubIndexInfo;
import org.compass.core.engine.SearchEngineException;
import org.compass.core.lucene.engine.manager.LuceneSearchEngineIndexManager;
/**
* @author kimchy
*/
public abstract class AbstractIndexInfoOptimizer extends AbstractOptimizer {
protected void doOptimize(String subIndex) throws SearchEngineException {
LuceneSubIndexInfo indexInfo = doGetIndexInfo(subIndex);
if (indexInfo == null) {
return;
}
doOptimize(subIndex, indexInfo);
}
protected void doForceOptimize(String subIndex) throws SearchEngineException {
LuceneSubIndexInfo indexInfo = doGetIndexInfo(subIndex);
if (indexInfo == null) {
return;
}
doForceOptimize(subIndex, indexInfo);
}
protected LuceneSubIndexInfo doGetIndexInfo(String subIndex) {
LuceneSearchEngineIndexManager indexManager = getSearchEngineFactory().getLuceneIndexManager();
LuceneSubIndexInfo indexInfo;
try {
indexInfo = LuceneSubIndexInfo.getIndexInfo(subIndex, indexManager);
} catch (IOException e) {
throw new SearchEngineException("Failed to read index info for sub index [" + subIndex + "]", e);
}
if (indexInfo == null) {
// no index data, simply continue
return null;
}
if (!isRunning()) {
return null;
}
return indexInfo;
}
protected abstract void doOptimize(String subIndex, LuceneSubIndexInfo indexInfo) throws SearchEngineException;
protected abstract void doForceOptimize(String subIndex, LuceneSubIndexInfo indexInfo) throws SearchEngineException;
}