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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.quotas;

import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.hadoop.hbase.classification.InterfaceStability;
import org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Throttle;

@InterfaceAudience.Private
@InterfaceStability.Evolving
public class QuotaLimiterFactory {

  private QuotaLimiterFactory() {
    // utility class
  }

  public static QuotaLimiter fromThrottle(final Throttle throttle) {
    return TimeBasedLimiter.fromThrottle(throttle);
  }

  public static QuotaLimiter update(final QuotaLimiter a, final QuotaLimiter b) {
    if (a.getClass().equals(b.getClass()) && a instanceof TimeBasedLimiter) {
      ((TimeBasedLimiter) a).update(((TimeBasedLimiter) b));
      return a;
    }
    throw new UnsupportedOperationException("TODO not implemented yet");
  }
}