hbase-server/src/main/java/org/apache/hadoop/hbase/quotas/QuotaLimiterFactory.java

/**
 * 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 {
  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");
  }
}