Expose Google's guava Cache vie JMX

GuavaCacheMXBean.java

public interface GuavaCacheMXBean {

    public long getRequestCount();

    public long getHitCount();

    public double getHitRate();

    public long getMissCount();

    public double getMissRate();

    public long getLoadCount();

    public long getLoadSuccessCount();

    public long getLoadExceptionCount();

    public double getLoadExceptionRate();

    public long getTotalLoadTime();

    public double getAverageLoadPenalty();

    public long getEvictionCount();

    public long getSize();

    public void cleanUp();

    public void invalidateAll();
}

GuavaCacheMXBeanImpl.java

import java.lang.management.ManagementFactory;
import javax.management.*;

/**
 * A JMX wrapper for google's Guava Cache
 */
public class GuavaCacheMXBeanImpl implements GuavaCacheMXBean {

    private final com.google.common.cache.Cache _cache;

    public GuavaCacheMXBeanImpl(String cname, com.google.common.cache.Cache cache) {
        _cache = cache;
        MBeanServer server = ManagementFactory.getPlatformMBeanServer();
        try {
            String name = String.format("%s:type=Cache,name=%s",
                    _cache.getClass().getPackage().getName(), cname);
            ObjectName mxBeanName = new ObjectName(name);
            if (!server.isRegistered(mxBeanName)) {
                server.registerMBean(this, new ObjectName(name));
            }
        } catch (MalformedObjectNameException | InstanceAlreadyExistsException
                | MBeanRegistrationException | NotCompliantMBeanException ex) {
            // NOP
        }
    }

    @Override
    public long getRequestCount() {
        return _cache.stats().requestCount();
    }

    @Override
    public long getHitCount() {
        return _cache.stats().hitCount();
    }

    @Override
    public double getHitRate() {
        return _cache.stats().hitRate();
    }

    @Override
    public long getMissCount() {
        return _cache.stats().missCount();
    }

    @Override
    public double getMissRate() {
        return _cache.stats().missRate();
    }

    @Override
    public long getLoadCount() {
        return _cache.stats().loadCount();
    }

    @Override
    public long getLoadSuccessCount() {
        return _cache.stats().loadSuccessCount();
    }

    @Override
    public long getLoadExceptionCount() {
        return _cache.stats().loadExceptionCount();
    }

    @Override
    public double getLoadExceptionRate() {
        return _cache.stats().loadExceptionRate();
    }

    @Override
    public long getTotalLoadTime() {
        return _cache.stats().totalLoadTime();
    }

    @Override
    public double getAverageLoadPenalty() {
        return _cache.stats().averageLoadPenalty();
    }

    @Override
    public long getEvictionCount() {
        return _cache.stats().evictionCount();
    }

    @Override
    public long getSize() {
        return _cache.size();
    }

    @Override
    public void cleanUp() {
        _cache.cleanUp();
    }

    @Override
    public void invalidateAll() {
        _cache.invalidateAll();
    }
}

This is awesome! Thanks :)