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.procedure;
019
020import java.io.IOException;
021import java.util.function.Consumer;
022import org.apache.hadoop.hbase.TableName;
023import org.apache.hadoop.hbase.master.assignment.TransitRegionStateProcedure;
024import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;
025import org.apache.yetus.audience.InterfaceAudience;
026
027import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;
028import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.CloseTableRegionsProcedureState;
029import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.CloseTableRegionsProcedureStateData;
030
031/**
032 * Procedure for closing all regions for a table.
033 */
034@InterfaceAudience.Private
035public class CloseTableRegionsProcedure
036  extends AbstractCloseTableRegionsProcedure<CloseTableRegionsProcedureState> {
037
038  public CloseTableRegionsProcedure() {
039  }
040
041  public CloseTableRegionsProcedure(TableName tableName) {
042    super(tableName);
043  }
044
045  @Override
046  protected int submitUnassignProcedure(MasterProcedureEnv env,
047    Consumer<TransitRegionStateProcedure> submit) {
048    return env.getAssignmentManager().submitUnassignProcedureForDisablingTable(tableName, submit);
049  }
050
051  @Override
052  protected int numberOfUnclosedRegions(MasterProcedureEnv env) {
053    return env.getAssignmentManager().numberOfUnclosedRegionsForDisabling(tableName);
054  }
055
056  @Override
057  protected CloseTableRegionsProcedureState getState(int stateId) {
058    return CloseTableRegionsProcedureState.forNumber(stateId);
059  }
060
061  @Override
062  protected int getStateId(CloseTableRegionsProcedureState state) {
063    return state.getNumber();
064  }
065
066  @Override
067  protected CloseTableRegionsProcedureState getInitialState() {
068    return CloseTableRegionsProcedureState.CLOSE_TABLE_REGIONS_SCHEDULE;
069  }
070
071  @Override
072  protected CloseTableRegionsProcedureState getConfirmState() {
073    return CloseTableRegionsProcedureState.CLOSE_TABLE_REGIONS_CONFIRM;
074  }
075
076  @Override
077  protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {
078    super.serializeStateData(serializer);
079    CloseTableRegionsProcedureStateData data = CloseTableRegionsProcedureStateData.newBuilder()
080      .setTableName(ProtobufUtil.toProtoTableName(tableName)).build();
081    serializer.serialize(data);
082  }
083
084  @Override
085  protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {
086    super.deserializeStateData(serializer);
087    CloseTableRegionsProcedureStateData data =
088      serializer.deserialize(CloseTableRegionsProcedureStateData.class);
089    tableName = ProtobufUtil.toTableName(data.getTableName());
090  }
091}