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.regionserver.storefiletracker;
019
020import java.util.Optional;
021import org.apache.hadoop.hbase.TableName;
022import org.apache.hadoop.hbase.client.TableDescriptor;
023import org.apache.hadoop.hbase.client.TableDescriptorBuilder;
024import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;
025import org.apache.hadoop.hbase.master.procedure.ModifyTableDescriptorProcedure;
026import org.apache.hadoop.hbase.procedure2.util.StringUtils;
027import org.apache.yetus.audience.InterfaceAudience;
028
029/**
030 * Procedure for setting StoreFileTracker information to table descriptor.
031 */
032@InterfaceAudience.Private
033public class InitializeStoreFileTrackerProcedure extends ModifyTableDescriptorProcedure {
034
035  public InitializeStoreFileTrackerProcedure() {
036  }
037
038  public InitializeStoreFileTrackerProcedure(MasterProcedureEnv env, TableName tableName) {
039    super(env, tableName);
040  }
041
042  @Override
043  protected Optional<TableDescriptor> modify(MasterProcedureEnv env, TableDescriptor current) {
044    if (StringUtils.isEmpty(current.getValue(StoreFileTrackerFactory.TRACKER_IMPL))) {
045      // no tracker impl means it is a table created in previous version, the tracker impl can only
046      // be default.
047      TableDescriptor td =
048        TableDescriptorBuilder.newBuilder(current).setValue(StoreFileTrackerFactory.TRACKER_IMPL,
049          StoreFileTrackerFactory.Trackers.DEFAULT.name()).build();
050      return Optional.of(td);
051    }
052    return Optional.empty();
053  }
054}