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A Java-based performance testing tool for RabbitMQ.

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// Copyright (c) 2018-2023 Broadcom. All Rights Reserved.
// The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
//
// This software, the RabbitMQ Java client library, is triple-licensed under the
// Mozilla Public License 2.0 ("MPL"), the GNU General Public License version 2
// ("GPL") and the Apache License version 2 ("ASL"). For the MPL, please see
// LICENSE-MPL-RabbitMQ. For the GPL, please see LICENSE-GPL2.  For the ASL,
// please see LICENSE-APACHE2.
//
// This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND,
// either express or implied. See the LICENSE file for specific language governing
// rights and limitations of this software.
//
// If you have any questions regarding licensing, please contact us at
// [email protected].
package com.rabbitmq.perf;

import io.micrometer.core.instrument.Clock;
import io.micrometer.core.instrument.MeterRegistry;
import io.micrometer.core.instrument.composite.CompositeMeterRegistry;
import io.micrometer.jmx.JmxConfig;
import io.micrometer.jmx.JmxMeterRegistry;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;

/** */
public class JmxMetrics implements Metrics {

  private volatile MeterRegistry registry;

  public Options options() {
    Options options = new Options();
    options.addOption(new Option("mjx", "metrics-jmx", false, "enable JMX metrics"));
    return options;
  }

  public void configure(ConfigurationContext context) throws Exception {
    CommandLineProxy cmd = context.cmd();
    CompositeMeterRegistry meterRegistry = context.meterRegistry();
    if (isEnabled(cmd)) {
      registry = new JmxMeterRegistry(JmxConfig.DEFAULT, Clock.SYSTEM);
      meterRegistry.add(registry);
    }
  }

  public void close() {
    if (registry != null) {
      registry.close();
    }
  }

  @Override
  public String toString() {
    return "JMX Metrics";
  }
}