com.spotify.helios.servicescommon.statistics.MetricsImpl Maven / Gradle / Ivy

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/*
 * Copyright (c) 2014 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;

import com.codahale.metrics.JmxReporter;
import com.codahale.metrics.MetricRegistry;

public class MetricsImpl implements Metrics {

  public enum Type {
    MASTER, AGENT
  }

  private static final String GROUP = "helios";

  private final SupervisorMetrics supervisorMetrics;
  private final MasterMetrics masterMetrics;
  private final ZooKeeperMetrics zooKeeperMetrics;
  private final JmxReporter jmxReporter;

  public MetricsImpl(final MetricRegistry registry, final Type type) {
    // MasterMetrics is only for masters, and SupervisorMetrics only for agents
    this.masterMetrics = type == Type.MASTER ? new MasterMetricsImpl(GROUP, registry)
                                             : new NoopMasterMetrics();

    this.supervisorMetrics = type == Type.AGENT ? new SupervisorMetricsImpl(GROUP, registry)
                                                : new NoopSupervisorMetrics();

    this.zooKeeperMetrics = new ZooKeeperMetricsImpl(GROUP, registry);
    this.jmxReporter = JmxReporter.forRegistry(registry).build();
  }

  @Override
  public void start() {
    jmxReporter.start();
  }

  @Override
  public void stop() {
    jmxReporter.close();
  }

  @Override
  public MasterMetrics getMasterMetrics() {
    return masterMetrics;
  }

  @Override
  public SupervisorMetrics getSupervisorMetrics() {
    return supervisorMetrics;
  }

  @Override
  public ZooKeeperMetrics getZooKeeperMetrics() {
    return zooKeeperMetrics;
  }
}