001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.master.normalizer;
019
020import org.apache.yetus.audience.InterfaceAudience;
021
022/**
023 * A {@link NormalizationPlan} describes some modification to region split points as identified by
024 * an instance of {@link RegionNormalizer}. It is a POJO describing what action needs taken and the
025 * regions it targets.
026 */
027@InterfaceAudience.Private
028public interface NormalizationPlan {
029  enum PlanType {
030    SPLIT,
031    MERGE,
032    NONE
033  }
034
035  /**
036   * @return the type of this plan
037   */
038  PlanType getType();
039}