kopia lustrzana https://github.com/onthegomap/planetiler
45 wiersze
1.2 KiB
Java
45 wiersze
1.2 KiB
Java
package com.onthegomap.flatmap.stats;
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import java.util.Collections;
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import java.util.LinkedHashMap;
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import java.util.Map;
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import javax.annotation.concurrent.ThreadSafe;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* A registry of tasks that are being timed.
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*/
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@ThreadSafe
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public class Timers {
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private static final Logger LOGGER = LoggerFactory.getLogger(Stats.InMemory.class);
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private final Map<String, Timer> timers = Collections.synchronizedMap(new LinkedHashMap<>());
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public void printSummary() {
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for (var entry : all().entrySet()) {
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LOGGER.info("\t" + entry.getKey() + "\t" + entry.getValue().elapsed());
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}
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}
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public Finishable startTimer(String name) {
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Timer timer = Timer.start();
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timers.put(name, timer);
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LOGGER.info("Starting...");
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return () -> LOGGER.info("Finished in " + timers.get(name).stop() + System.lineSeparator());
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}
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/** Returns a snapshot of all timers currently running. Will not reflect timers that start after it's called. */
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public Map<String, Timer> all() {
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synchronized (timers) {
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return new LinkedHashMap<>(timers);
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}
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}
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/** A handle that callers can use to indicate a task has finished. */
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public interface Finishable {
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void stop();
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}
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}
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