org.apache.hadoop.hbase.regionserver.compactions.NoLimitCompactionThroughputController Maven / Gradle / Ivy

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Server functionality for HBase

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/**
 * 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.classification.InterfaceAudience;
import org.apache.hadoop.hbase.regionserver.RegionServerServices;

/**
 * A dummy CompactionThroughputController that does nothing.
 */
@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)
public class NoLimitCompactionThroughputController implements CompactionThroughputController {

  public static final NoLimitCompactionThroughputController INSTANCE =
      new NoLimitCompactionThroughputController();

  @Override
  public void setup(RegionServerServices server) {
  }

  @Override
  public void start(String compactionName) {
  }

  @Override
  public long control(String compactionName, long size) throws InterruptedException {
    return 0;
  }

  @Override
  public void finish(String compactionName) {
  }

  private volatile boolean stopped;

  @Override
  public void stop(String why) {
    stopped = true;
  }

  @Override
  public boolean isStopped() {
    return stopped;
  }

  @Override
  public String toString() {
    return "NoLimitCompactionThroughputController";
  }
}