content: /**
   * Licensed 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.aurora.benchmark.fakes;
  
  import java.util.concurrent.atomic.AtomicLong;
  import java.util.function.Supplier;
  
  import org.apache.aurora.common.stats.Stat;
  import org.apache.aurora.common.stats.StatsProvider;
  
  public class FakeStatsProvider implements StatsProvider {
    @Override
    public AtomicLong makeCounter(String name) {
      return new AtomicLong();
    }
  
    @Override
    public <T extends Number> Stat<T> makeGauge(final String name, final Supplier<T> gauge) {
      return new Stat<T>() {
        @Override
        public String getName() {
          return name;
        }
  
        @Override
        public T read() {
          return gauge.get();
        }
      };
    }
  
    @Override
    public StatsProvider untracked() {
      return this;
    }
  
    @Override
    public RequestTimer makeRequestTimer(String name) {
      return latencyMicros -> {
        // no-op
      };
    }
  }
  