/*
* Copyright (c) www.bugull.com
*
* 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 net.tooan.ynpay.third.mongodb.lucene.backend;
import net.tooan.ynpay.third.jfinal.log.Logger;
import net.tooan.ynpay.third.mongodb.cache.IndexSearcherCache;
import net.tooan.ynpay.third.mongodb.lucene.BuguIndex;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.search.IndexSearcher;
import java.io.IOException;
import java.util.Map;
import java.util.Map.Entry;
/**
* @author Frank Wen(xbwen@hotmail.com)
*/
public class IndexReopenTask implements Runnable {
private final static Logger logger = Logger.getLogger(IndexReopenTask.class);
@Override
public void run() {
BuguIndex index = BuguIndex.getInstance();
if (index.isReopening()) {
return;
}
index.setReopening(true);
IndexSearcherCache searcherCache = IndexSearcherCache.getInstance();
Map<String, IndexSearcher> map = searcherCache.getAll();
for (Entry<String, IndexSearcher> entry : map.entrySet()) {
IndexSearcher searcher = entry.getValue();
IndexReader reader = searcher.getIndexReader();
IndexReader newReader = null;
try {
newReader = IndexReader.openIfChanged(reader, true);
} catch (IOException ex) {
logger.error("Something is wrong when reopen the Lucene IndexReader", ex);
}
if (newReader != null && newReader != reader) {
try {
reader.decRef();
} catch (IOException ex) {
logger.error("Something is wrong when decrease the reference of the lucene IndexReader", ex);
}
IndexSearcher newSearcher = new IndexSearcher(newReader);
searcherCache.put(entry.getKey(), newSearcher);
}
}
index.setReopening(false);
}
}