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package com.codahale.metrics;

/**
 * An object which maintains mean and exponentially-weighted rate.
 */
public interface Metered extends Metric, Counting {
    /**
     * Returns the number of events which have been marked.
     *
     * @return the number of events which have been marked
     */
    long getCount();

    /**
     * Returns the fifteen-minute exponentially-weighted moving average rate at which events have
     * occurred since the meter was created.
     * 

* This rate has the same exponential decay factor as the fifteen-minute load average in the * {@code top} Unix command. * * @return the fifteen-minute exponentially-weighted moving average rate at which events have * occurred since the meter was created */ double getFifteenMinuteRate(); /** * Returns the five-minute exponentially-weighted moving average rate at which events have * occurred since the meter was created. *

* This rate has the same exponential decay factor as the five-minute load average in the {@code * top} Unix command. * * @return the five-minute exponentially-weighted moving average rate at which events have * occurred since the meter was created */ double getFiveMinuteRate(); /** * Returns the mean rate at which events have occurred since the meter was created. * * @return the mean rate at which events have occurred since the meter was created */ double getMeanRate(); /** * Returns the one-minute exponentially-weighted moving average rate at which events have * occurred since the meter was created. *

* This rate has the same exponential decay factor as the one-minute load average in the {@code * top} Unix command. * * @return the one-minute exponentially-weighted moving average rate at which events have * occurred since the meter was created */ double getOneMinuteRate(); }





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