45 lines
1.3 KiB
Java
45 lines
1.3 KiB
Java
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/*
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* Copyright 2015 Cloudius Systems
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*
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*/
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package com.yammer.metrics.core;
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import java.lang.reflect.Field;
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import java.util.concurrent.ScheduledExecutorService;
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import java.util.concurrent.TimeUnit;
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import com.yammer.metrics.core.Histogram.SampleType;
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/**
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* A timer metric which aggregates timing durations and provides duration
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* statistics, plus throughput statistics via {@link Meter}.
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*/
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public class APITimer extends Timer {
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public APITimer(String url, ScheduledExecutorService tickThread,
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TimeUnit durationUnit, TimeUnit rateUnit) {
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super(tickThread, durationUnit, rateUnit);
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setHistogram(url);
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}
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public APITimer(String url, ScheduledExecutorService tickThread,
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TimeUnit durationUnit, TimeUnit rateUnit, Clock clock) {
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super(tickThread, durationUnit, rateUnit, clock);
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setHistogram(url);
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}
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private void setHistogram(String url) {
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Field histogram;
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try {
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histogram = Timer.class.getDeclaredField("histogram");
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histogram.setAccessible(true);
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histogram.set(this, new APIHistogram(url, SampleType.BIASED));
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} catch (NoSuchFieldException | SecurityException
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| IllegalArgumentException | IllegalAccessException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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}
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