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/*
 * Copyright (C) 2020 Graylog, Inc.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the Server Side Public License, version 1,
 * as published by MongoDB, Inc.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * Server Side Public License for more details.
 *
 * You should have received a copy of the Server Side Public License
 * along with this program. If not, see
 * .
 */
package org.graylog2.shared.metrics;

import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.jvm.BufferPoolMetricSet;
import com.codahale.metrics.jvm.ClassLoadingGaugeSet;
import com.codahale.metrics.jvm.GarbageCollectorMetricSet;
import com.codahale.metrics.jvm.ThreadStatesGaugeSet;

import javax.inject.Singleton;
import java.lang.management.ManagementFactory;

@Singleton
public class MetricRegistryFactory {

    public static MetricRegistry create() {
        MetricRegistry metricRegistry = new MetricRegistry();

        metricRegistry.register("jvm.buffers", new BufferPoolMetricSet(ManagementFactory.getPlatformMBeanServer()));
        metricRegistry.register("jvm.cl", new ClassLoadingGaugeSet());
        metricRegistry.register("jvm.gc", new GarbageCollectorMetricSet());
        metricRegistry.register("jvm.memory", new CustomMemoryUsageGaugeSet());
        metricRegistry.register("jvm.threads", new ThreadStatesGaugeSet());
        return metricRegistry;
    }
}