/**
* 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.favored;
import java.io.IOException;
import java.util.List;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.hbase.HRegionInfo;
import org.apache.hadoop.hbase.ServerName;
@InterfaceAudience.Private
public interface FavoredNodesPromoter {
/* Try and assign regions even if favored nodes are dead */
String FAVORED_ALWAYS_ASSIGN_REGIONS = "hbase.favored.assignment.always.assign";
void generateFavoredNodesForDaughter(List<ServerName> servers,
HRegionInfo parent, HRegionInfo hriA, HRegionInfo hriB) throws IOException;
void generateFavoredNodesForMergedRegion(HRegionInfo merged, HRegionInfo hriA,
HRegionInfo hriB) throws IOException;
}