/*-
 * -\-\-
 * Helios Services
 * --
 * Copyright (C) 2016 Spotify AB
 * --
 * 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 com.spotify.helios.servicescommon.statistics;


public class NoopSupervisorMetrics implements SupervisorMetrics {

  @Override
  public void supervisorStarted() {}

  @Override
  public void supervisorStopped() {}

  @Override
  public void supervisorClosed() {}

  @Override
  public void containersRunning() {}

  @Override
  public void containersExited() {}

  @Override
  public void containersThrewException() {}

  @Override
  public void containerStarted() {}

  @Override
  public MetricsContext containerPull() {
    return new NoopMetricsContext();
  }

  @Override
  public void imageCacheHit() {}

  @Override
  public void imageCacheMiss() {
  }

  @Override
  public void dockerTimeout() {}

  @Override
  public void supervisorRun() {}

  @Override
  public MeterRates getDockerTimeoutRates() {
    return new MeterRates(0, 0, 0);
  }

  @Override
  public MeterRates getContainersThrewExceptionRates() {
    return new MeterRates(0, 0, 0);
  }

  @Override
  public MeterRates getSupervisorRunRates() {
    return new MeterRates(0, 0, 0);
  }
}