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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 static com.rabbitmq.perf.OptionsUtils.forEach;

import java.util.ArrayList;
import java.util.List;
import org.apache.commons.cli.Options;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/** */
public class CompositeMetrics implements Metrics {

  private static final Logger LOGGER = LoggerFactory.getLogger(CompositeMetrics.class);

  private final List metrics = new ArrayList<>();

  public CompositeMetrics() {
    metrics.add(new BaseMetrics());
    metrics.add(new PrometheusMetrics());
    metrics.add(new DatadogMetrics());
    metrics.add(new JmxMetrics());
  }

  @Override
  public Options options() {
    Options options = new Options();
    for (Metrics metric : metrics) {
      forEach(
          metric.options(),
          option -> {
            if (options.hasOption(option.getOpt())) {
              throw new IllegalStateException("Option already existing: " + option.getOpt());
            } else {
              options.addOption(option);
            }
          });
    }
    return options;
  }

  @Override
  public void configure(ConfigurationContext context) throws Exception {
    for (Metrics metric : metrics) {
      metric.configure(context);
    }
  }

  @Override
  public void start() {
    metrics.forEach(Metrics::start);
  }

  @Override
  public boolean isEnabled(CommandLineProxy cmd) {
    for (Metrics metric : metrics) {
      if (metric.isEnabled(cmd)) {
        return true;
      }
    }
    return false;
  }

  @Override
  public void close() {
    for (Metrics metric : metrics) {
      try {
        metric.close();
      } catch (Exception e) {
        LOGGER.warn("Error while closing metrics {}", metrics, e);
      }
    }
  }
}