org.apache.hudi.org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker Maven / Gradle / Ivy
/**
* 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.compactions;
import org.apache.hadoop.hbase.HBaseInterfaceAudience;
import org.apache.hadoop.hbase.regionserver.Store;
import org.apache.yetus.audience.InterfaceAudience;
import org.apache.yetus.audience.InterfaceStability;
/**
* Used to track compaction execution.
*/
@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.COPROC)
@InterfaceStability.Evolving
public interface CompactionLifeCycleTracker {
static CompactionLifeCycleTracker DUMMY = new CompactionLifeCycleTracker() {
};
/**
* Called if the compaction request is failed for some reason.
*/
default void notExecuted(Store store, String reason) {
}
/**
* Called before compaction is executed by CompactSplitThread.
*
* Requesting compaction on a region can lead to multiple compactions on different stores, so we
* will pass the {@link Store} in to tell you the store we operate on.
*/
default void beforeExecution(Store store) {
}
/**
* Called after compaction is executed by CompactSplitThread.
*
* Requesting compaction on a region can lead to multiple compactions on different stores, so we
* will pass the {@link Store} in to tell you the store we operate on.
*/
default void afterExecution(Store store) {
}
/**
* Called after all the requested compactions are completed.
*
* The compaction scheduling is per Store so if you request a compaction on a region it may lead
* to multiple compactions.
*/
default void completed() {
}
}