MetricRegistryProvider.java example

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graylog2-server-master
/**
 * This file is part of Graylog.
 *
 * Graylog is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Graylog 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
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Graylog.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.graylog2.shared.bindings.providers;

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.MemoryUsageGaugeSet;
import com.codahale.metrics.jvm.ThreadStatesGaugeSet;

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

@Singleton
public class MetricRegistryProvider implements Provider<MetricRegistry> {
    private final MetricRegistry metricRegistry;

    public MetricRegistryProvider() {
        this.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 MemoryUsageGaugeSet());
        metricRegistry.register("jvm.threads", new ThreadStatesGaugeSet());
    }

    @Override
    public MetricRegistry get() {
        return metricRegistry;
    }
}