org.apache.hadoop.hbase.regionserver.storefiletracker.InitializeStoreFileTrackerProcedure Maven / Gradle / Ivy
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Server functionality for HBase
/*
* 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.storefiletracker;
import java.util.Optional;
import org.apache.hadoop.hbase.TableName;
import org.apache.hadoop.hbase.client.TableDescriptor;
import org.apache.hadoop.hbase.client.TableDescriptorBuilder;
import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;
import org.apache.hadoop.hbase.master.procedure.ModifyTableDescriptorProcedure;
import org.apache.hadoop.hbase.procedure2.util.StringUtils;
import org.apache.yetus.audience.InterfaceAudience;
/**
* Procedure for setting StoreFileTracker information to table descriptor.
*/
@InterfaceAudience.Private
public class InitializeStoreFileTrackerProcedure extends ModifyTableDescriptorProcedure {
public InitializeStoreFileTrackerProcedure() {
}
public InitializeStoreFileTrackerProcedure(MasterProcedureEnv env, TableName tableName) {
super(env, tableName);
}
@Override
protected Optional modify(MasterProcedureEnv env, TableDescriptor current) {
if (StringUtils.isEmpty(current.getValue(StoreFileTrackerFactory.TRACKER_IMPL))) {
// no tracker impl means it is a table created in previous version, the tracker impl can only
// be default.
TableDescriptor td =
TableDescriptorBuilder.newBuilder(current).setValue(StoreFileTrackerFactory.TRACKER_IMPL,
StoreFileTrackerFactory.Trackers.DEFAULT.name()).build();
return Optional.of(td);
}
return Optional.empty();
}
}