/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.apache.hadoop.hbase.regionserver;
import java.io.IOException;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.Server;
import org.apache.hadoop.hbase.regionserver.wal.HLog;
@InterfaceAudience.Private
class MetaLogRoller extends LogRoller {
public MetaLogRoller(Server server, RegionServerServices services) {
super(server, services);
}
@Override
protected HLog getWAL() throws IOException {
//The argument to getWAL below could either be HRegionInfo.FIRST_META_REGIONINFO or
//HRegionInfo.ROOT_REGIONINFO. Both these share the same WAL.
return services.getWAL(HRegionInfo.FIRST_META_REGIONINFO);
}
}