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There is a newer version: 2.1.0

package org.xbib.metrics.common;

import org.xbib.metrics.api.Clock;

import java.lang.management.ManagementFactory;
import java.lang.management.ThreadMXBean;

/**
 * A clock implementation which returns the current thread's CPU time.
 */
class CpuTimeClock implements Clock {
    private static final ThreadMXBean THREAD_MX_BEAN = ManagementFactory.getThreadMXBean();

    @Override
    public long getTick() {
        return THREAD_MX_BEAN.getCurrentThreadCpuTime();
    }

    @Override
    public long getTime() {
        return System.currentTimeMillis();
    }
}